refactor(tests): reduce repetition

6 files changed, 140 insertions, 1204 deletions

diff --git a/src/tests/integration/resize_down.rs b/src/tests/integration/resize_down.rs
index 20fc3955..e2c2ac5d 100644
--- a/src/tests/integration/resize_down.rs
+++ b/src/tests/integration/resize_down.rs
@@ -1,8 +1,9 @@
 use ::nix::pty::Winsize;
 use ::insta::assert_snapshot;
 
-use crate::{start, TerminalOutput};
+use crate::start;
 use crate::tests::fakes::{FakeInputOutput};
+use crate::tests::utils::get_output_frame_snapshots;
 
 fn get_fake_os_input (fake_win_size: &Winsize) -> FakeInputOutput {
     FakeInputOutput::new(fake_win_size.clone())
@@ -30,31 +31,8 @@ pub fn resize_down_with_pane_above() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -80,31 +58,8 @@ pub fn resize_down_with_pane_below() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -134,31 +89,8 @@ pub fn resize_down_with_panes_above_and_below() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -187,31 +119,8 @@ pub fn resize_down_with_multiple_panes_above() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -240,31 +149,8 @@ pub fn resize_down_with_panes_above_aligned_left_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -293,31 +179,8 @@ pub fn resize_down_with_panes_below_aligned_left_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -346,31 +209,8 @@ pub fn resize_down_with_panes_above_aligned_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -400,31 +240,8 @@ pub fn resize_down_with_panes_below_aligned_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -453,31 +270,8 @@ pub fn resize_down_with_panes_above_aligned_left_and_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -506,31 +300,8 @@ pub fn resize_down_with_panes_below_aligned_left_and_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -560,31 +331,8 @@ pub fn resize_down_with_panes_above_aligned_left_and_right_with_panes_to_the_lef
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -615,31 +363,8 @@ pub fn resize_down_with_panes_below_aligned_left_and_right_with_to_the_left_and_
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
diff --git a/src/tests/integration/resize_left.rs b/src/tests/integration/resize_left.rs
index 7a8c747a..bff82e3e 100644
--- a/src/tests/integration/resize_left.rs
+++ b/src/tests/integration/resize_left.rs
@@ -1,8 +1,9 @@
 use ::nix::pty::Winsize;
 use ::insta::assert_snapshot;
 
-use crate::{start, TerminalOutput};
+use crate::start;
 use crate::tests::fakes::{FakeInputOutput};
+use crate::tests::utils::get_output_frame_snapshots;
 
 fn get_fake_os_input (fake_win_size: &Winsize) -> FakeInputOutput {
     FakeInputOutput::new(fake_win_size.clone())
@@ -27,31 +28,8 @@ pub fn resize_left_with_pane_to_the_left() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -75,31 +53,8 @@ pub fn resize_left_with_pane_to_the_right() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -124,31 +79,8 @@ pub fn resize_left_with_panes_to_the_left_and_right() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -175,31 +107,8 @@ pub fn resize_left_with_multiple_panes_to_the_left() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -226,31 +135,8 @@ pub fn resize_left_with_panes_to_the_left_aligned_top_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -277,31 +163,8 @@ pub fn resize_left_with_panes_to_the_right_aligned_top_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -328,31 +191,8 @@ pub fn resize_left_with_panes_to_the_left_aligned_bottom_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -380,31 +220,8 @@ pub fn resize_left_with_panes_to_the_right_aligned_bottom_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -433,31 +250,8 @@ pub fn resize_left_with_panes_to_the_left_aligned_top_and_bottom_with_current_pa
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -486,31 +280,8 @@ pub fn resize_left_with_panes_to_the_right_aligned_top_and_bottom_with_current_p
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -540,31 +311,8 @@ pub fn resize_left_with_panes_to_the_left_aligned_top_and_bottom_with_panes_abov
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -595,31 +343,8 @@ pub fn resize_left_with_panes_to_the_right_aligned_top_and_bottom_with_panes_abo
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
diff --git a/src/tests/integration/resize_right.rs b/src/tests/integration/resize_right.rs
index 6643a98a..a8dbf5b3 100644
--- a/src/tests/integration/resize_right.rs
+++ b/src/tests/integration/resize_right.rs
@@ -1,8 +1,9 @@
 use ::nix::pty::Winsize;
 use ::insta::assert_snapshot;
 
-use crate::{start, TerminalOutput};
+use crate::start;
 use crate::tests::fakes::{FakeInputOutput};
+use crate::tests::utils::get_output_frame_snapshots;
 
 fn get_fake_os_input (fake_win_size: &Winsize) -> FakeInputOutput {
     FakeInputOutput::new(fake_win_size.clone())
@@ -27,31 +28,8 @@ pub fn resize_right_with_pane_to_the_left() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -75,31 +53,8 @@ pub fn resize_right_with_pane_to_the_right() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -124,31 +79,8 @@ pub fn resize_right_with_panes_to_the_left_and_right() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -175,31 +107,8 @@ pub fn resize_right_with_multiple_panes_to_the_left() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -226,31 +135,8 @@ pub fn resize_right_with_panes_to_the_left_aligned_top_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -277,31 +163,8 @@ pub fn resize_right_with_panes_to_the_right_aligned_top_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -328,31 +191,8 @@ pub fn resize_right_with_panes_to_the_left_aligned_bottom_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -380,31 +220,8 @@ pub fn resize_right_with_panes_to_the_right_aligned_bottom_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -433,31 +250,8 @@ pub fn resize_right_with_panes_to_the_left_aligned_top_and_bottom_with_current_p
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -486,31 +280,8 @@ pub fn resize_right_with_panes_to_the_right_aligned_top_and_bottom_with_current_
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -540,31 +311,8 @@ pub fn resize_right_with_panes_to_the_left_aligned_top_and_bottom_with_panes_abo
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -595,31 +343,8 @@ pub fn resize_right_with_panes_to_the_right_aligned_top_and_bottom_with_panes_ab
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
diff --git a/src/tests/integration/resize_up.rs b/src/tests/integration/resize_up.rs
index 05bfa98b..35bca0b5 100644
--- a/src/tests/integration/resize_up.rs
+++ b/src/tests/integration/resize_up.rs
@@ -1,8 +1,9 @@
 use ::nix::pty::Winsize;
 use ::insta::assert_snapshot;
 
-use crate::{start, TerminalOutput};
+use crate::start;
 use crate::tests::fakes::{FakeInputOutput};
+use crate::tests::utils::get_output_frame_snapshots;
 
 fn get_fake_os_input (fake_win_size: &Winsize) -> FakeInputOutput {
     FakeInputOutput::new(fake_win_size.clone())
@@ -29,31 +30,8 @@ pub fn resize_up_with_pane_above() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let cursor_position_in_last_line = terminal_output.cursor_position_in_last_line();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == output_lines.len() - 1 && character_index == cursor_position_in_last_line {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -79,31 +57,8 @@ pub fn resize_up_with_pane_below() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -133,31 +88,8 @@ pub fn resize_up_with_panes_above_and_below() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -185,31 +117,8 @@ pub fn resize_up_with_multiple_panes_above() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -236,31 +145,8 @@ pub fn resize_up_with_panes_above_aligned_left_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -289,31 +175,8 @@ pub fn resize_up_with_panes_below_aligned_left_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -342,31 +205,8 @@ pub fn resize_up_with_panes_above_aligned_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -396,31 +236,8 @@ pub fn resize_up_with_panes_below_aligned_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -449,31 +266,8 @@ pub fn resize_up_with_panes_above_aligned_left_and_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -502,31 +296,8 @@ pub fn resize_up_with_panes_below_aligned_left_and_right_with_current_pane() {
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -556,31 +327,8 @@ pub fn resize_up_with_panes_above_aligned_left_and_right_with_panes_to_the_left_
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
@@ -611,31 +359,8 @@ pub fn resize_up_with_panes_below_aligned_left_and_right_with_to_the_left_and_ri
     start(Box::new(fake_input_output.clone()));
 
     let output_frames = fake_input_output.stdout_writer.output_frames.lock().unwrap();
-    let mut vte_parser = vte::Parser::new();
-    let main_pid = 0;
-    let x = 0;
-    let y = 0;
-    let mut terminal_output = TerminalOutput::new(main_pid, fake_win_size, x, y);
-
-    for frame in output_frames.iter() {
-        for byte in frame.iter() {
-            vte_parser.advance(&mut terminal_output, *byte);
-        }
-        let output_lines = terminal_output.read_buffer_as_lines();
-        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
-        let mut snapshot = String::new();
-        for (line_index, line) in output_lines.iter().enumerate() {
-            for (character_index, terminal_character) in line.iter().enumerate() {
-                if line_index == cursor_y - 1 && character_index == cursor_x {
-                    snapshot.push('█');
-                } else {
-                    snapshot.push(terminal_character.character);
-                }
-            }
-            if line_index != output_lines.len() - 1 {
-                snapshot.push('\n');
-            }
-        }
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    for snapshot in snapshots {
         assert_snapshot!(snapshot);
     }
 }
diff --git a/src/tests/mod.rs b/src/tests/mod.rs
index 4be5f54f..e27bc749 100644
--- a/src/tests/mod.rs
+++ b/src/tests/mod.rs
@@ -2,3 +2,4 @@ pub mod integration;
 pub mod possible_inputs;
 pub mod tty_inputs;
 pub mod fakes;
+pub mod utils;
diff --git a/src/tests/utils.rs b/src/tests/utils.rs
new file mode 100644
index 00000000..a27717f9
--- /dev/null
+++ b/src/tests/utils.rs
@@ -0,0 +1,35 @@
+use ::nix::pty::Winsize;
+use crate::TerminalOutput;
+
+pub fn get_output_frame_snapshots(output_frames: &[Vec<u8>], win_size: &Winsize) -> Vec<String> {
+    let mut vte_parser = vte::Parser::new();
+    let main_pid = 0;
+    let x = 0;
+    let y = 0;
+    let mut terminal_output = TerminalOutput::new(main_pid, *win_size, x, y);
+
+    let mut snapshots = vec![];
+    for frame in output_frames.iter() {
+        for byte in frame.iter() {
+            vte_parser.advance(&mut terminal_output, *byte);
+        }
+        let output_lines = terminal_output.read_buffer_as_lines();
+        let (cursor_x, cursor_y) = terminal_output.cursor_coordinates();
+        let mut snapshot = String::new();
+        for (line_index, line) in output_lines.iter().enumerate() {
+            for (character_index, terminal_character) in line.iter().enumerate() {
+                if line_index == cursor_y - 1 && character_index == cursor_x {
+                    snapshot.push('█');
+                } else {
+                    snapshot.push(terminal_character.character);
+                }
+            }
+            if line_index != output_lines.len() - 1 {
+                snapshot.push('\n');
+            }
+        }
+        snapshots.push(snapshot);
+    }
+    snapshots
+}
+