feat(actions): allow scrolling by full pages

PR #298

4 files changed, 116 insertions, 2 deletions

diff --git a/src/tests/integration/basic.rs b/src/tests/integration/basic.rs
index 377e25b2..e57f8c75 100644
--- a/src/tests/integration/basic.rs
+++ b/src/tests/integration/basic.rs
@@ -3,8 +3,9 @@ use ::insta::assert_snapshot;
 
 use crate::tests::fakes::FakeInputOutput;
 use crate::tests::utils::commands::{
-    PANE_MODE, QUIT, SCROLL_DOWN_IN_SCROLL_MODE, SCROLL_MODE, SCROLL_UP_IN_SCROLL_MODE,
-    SPAWN_TERMINAL_IN_PANE_MODE, SPLIT_DOWN_IN_PANE_MODE, SPLIT_RIGHT_IN_PANE_MODE,
+    PANE_MODE, QUIT, SCROLL_DOWN_IN_SCROLL_MODE, SCROLL_MODE, SCROLL_PAGE_DOWN_IN_SCROLL_MODE,
+    SCROLL_PAGE_UP_IN_SCROLL_MODE, SCROLL_UP_IN_SCROLL_MODE, SPAWN_TERMINAL_IN_PANE_MODE,
+    SPLIT_DOWN_IN_PANE_MODE, SPLIT_RIGHT_IN_PANE_MODE,
     TOGGLE_ACTIVE_TERMINAL_FULLSCREEN_IN_PANE_MODE,
 };
 use crate::tests::utils::{get_next_to_last_snapshot, get_output_frame_snapshots};
@@ -238,6 +239,67 @@ pub fn scrolling_down_inside_a_pane() {
 }
 
 #[test]
+pub fn scrolling_page_up_inside_a_pane() {
+    let fake_win_size = PositionAndSize {
+        columns: 121,
+        rows: 20,
+        x: 0,
+        y: 0,
+    };
+    let mut fake_input_output = get_fake_os_input(&fake_win_size);
+    fake_input_output.add_terminal_input(&[
+        &PANE_MODE,
+        &SPLIT_DOWN_IN_PANE_MODE,
+        &SPLIT_RIGHT_IN_PANE_MODE,
+        &SCROLL_MODE,
+        &SCROLL_PAGE_UP_IN_SCROLL_MODE,
+        &QUIT,
+    ]);
+    start(Box::new(fake_input_output.clone()), CliArgs::default());
+    let output_frames = fake_input_output
+        .stdout_writer
+        .output_frames
+        .lock()
+        .unwrap();
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    let snapshot_before_quit =
+        get_next_to_last_snapshot(snapshots).expect("could not find snapshot");
+    assert_snapshot!(snapshot_before_quit);
+}
+
+#[test]
+pub fn scrolling_page_down_inside_a_pane() {
+    let fake_win_size = PositionAndSize {
+        columns: 121,
+        rows: 20,
+        x: 0,
+        y: 0,
+    };
+    let mut fake_input_output = get_fake_os_input(&fake_win_size);
+    fake_input_output.add_terminal_input(&[
+        &PANE_MODE,
+        &SPLIT_DOWN_IN_PANE_MODE,
+        &SPLIT_RIGHT_IN_PANE_MODE,
+        &SCROLL_MODE,
+        &SCROLL_PAGE_UP_IN_SCROLL_MODE,
+        &SCROLL_PAGE_UP_IN_SCROLL_MODE,
+        &SCROLL_PAGE_DOWN_IN_SCROLL_MODE,
+        &SCROLL_PAGE_DOWN_IN_SCROLL_MODE,
+        &QUIT,
+    ]);
+    start(Box::new(fake_input_output.clone()), CliArgs::default());
+    let output_frames = fake_input_output
+        .stdout_writer
+        .output_frames
+        .lock()
+        .unwrap();
+    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
+    let snapshot_before_quit =
+        get_next_to_last_snapshot(snapshots).expect("could not find snapshot");
+    assert_snapshot!(snapshot_before_quit);
+}
+
+#[test]
 pub fn max_panes() {
     // with the --max-panes option, we only allow a certain amount of panes on screen
     // simultaneously, new panes beyond this limit will close older panes on screen
diff --git a/src/tests/integration/snapshots/zellij__tests__integration__basic__scrolling_page_down_inside_a_pane.snap b/src/tests/integration/snapshots/zellij__tests__integration__basic__scrolling_page_down_inside_a_pane.snap
new file mode 100644
index 00000000..8f4ec6e2
--- /dev/null
+++ b/src/tests/integration/snapshots/zellij__tests__integration__basic__scrolling_page_down_inside_a_pane.snap
@@ -0,0 +1,25 @@
+---
+source: src/tests/integration/basic.rs
+expression: snapshot_before_quit
+
+---
+line11-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line12-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line13-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line14-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line15-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line16-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line17-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+prompt $                                                                                                                 
+────────────────────────────────────────────────────────────┬────────────────────────────────────────────────────────────
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line12-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+a                                                           │line13-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line14-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line15-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+a                                                           │line16-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line17-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line18-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+a                                                           │line19-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+prompt $                                                    │prompt $ █                                                  
diff --git a/src/tests/integration/snapshots/zellij__tests__integration__basic__scrolling_page_up_inside_a_pane.snap b/src/tests/integration/snapshots/zellij__tests__integration__basic__scrolling_page_up_inside_a_pane.snap
new file mode 100644
index 00000000..d37580c6
--- /dev/null
+++ b/src/tests/integration/snapshots/zellij__tests__integration__basic__scrolling_page_up_inside_a_pane.snap
@@ -0,0 +1,25 @@
+---
+source: src/tests/integration/basic.rs
+expression: snapshot_before_quit
+
+---
+line11-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line12-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line13-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line14-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line15-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line16-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line17-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
+prompt $                                                                                                                 
+────────────────────────────────────────────────────────────┬────────────────────────────────────────────────────────────
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line4-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+a                                                           │line5-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+line18-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line6-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line7-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+a                                                           │line8-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+line19-aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line9-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa│line10-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+a                                                           │line11-bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
+prompt $                                                    │line12-bb█bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb
diff --git a/src/tests/utils.rs b/src/tests/utils.rs
index a58e8610..aa622fe7 100644
--- a/src/tests/utils.rs
+++ b/src/tests/utils.rs
@@ -63,6 +63,8 @@ pub mod commands {
     pub const SCROLL_MODE: [u8; 1] = [19]; // ctrl-s
     pub const SCROLL_UP_IN_SCROLL_MODE: [u8; 1] = [107]; // k
     pub const SCROLL_DOWN_IN_SCROLL_MODE: [u8; 1] = [106]; // j
+    pub const SCROLL_PAGE_UP_IN_SCROLL_MODE: [u8; 1] = [2]; // ctrl-b
+    pub const SCROLL_PAGE_DOWN_IN_SCROLL_MODE: [u8; 1] = [6]; // ctrl-f
 
     pub const RESIZE_MODE: [u8; 1] = [18]; // ctrl-r
     pub const RESIZE_DOWN_IN_RESIZE_MODE: [u8; 1] = [106]; // j