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path: root/src/tests/integration/basic.rs
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use crate::terminal_pane::PositionAndSize;
use ::insta::assert_snapshot;

use crate::tests::fakes::FakeInputOutput;
use crate::tests::utils::commands::{
    COMMAND_TOGGLE, MOVE_FOCUS, QUIT, RESIZE_LEFT, RESIZE_RIGHT, RESIZE_UP, SCROLL_DOWN, SCROLL_UP,
    SPAWN_TERMINAL, SPLIT_HORIZONTALLY, SPLIT_VERTICALLY, TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
};
use crate::tests::utils::get_output_frame_snapshots;
use crate::{start, Opt};

fn get_fake_os_input(fake_win_size: &PositionAndSize) -> FakeInputOutput {
    FakeInputOutput::new(fake_win_size.clone())
}

#[test]
pub fn starts_with_one_terminal() {
    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(&[COMMAND_TOGGLE, COMMAND_TOGGLE, QUIT]);
    start(Box::new(fake_input_output.clone()), Opt::default());
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn split_terminals_vertically() {
    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(&[COMMAND_TOGGLE, COMMAND_TOGGLE, SPLIT_VERTICALLY, QUIT]);
    start(Box::new(fake_input_output.clone()), Opt::default());
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn split_terminals_horizontally() {
    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(&[
        COMMAND_TOGGLE,
        COMMAND_TOGGLE,
        SPLIT_HORIZONTALLY,
        QUIT,
    ]);
    start(Box::new(fake_input_output.clone()), Opt::default());
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn split_largest_terminal() {
    // this finds the largest pane and splits along its longest edge (vertically or horizontally)
    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(&[
        COMMAND_TOGGLE,
        COMMAND_TOGGLE,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        QUIT,
    ]);
    start(Box::new(fake_input_output.clone()), Opt::default());
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn resize_right_and_up_on_the_same_axis() {
    // this is a specific test to explicitly ensure that a tmux-like pane-container algorithm is not
    // implemented (this test can never pass with such an algorithm)
    //
    // ┌─────┬─────┐                   ┌─────┬─────┐
    // │     │     │                   │     │     │
    // ├─────┼─────┤ ==resize=right==> ├─────┴─┬───┤ ==resize-left==>
    // │█████│     │                   │███████│   │
    // └─────┴─────┘                   └───────┴───┘
    //
    // ┌─────┬─────┐                   ┌─────┬─────┐
    // │     │     │                   ├─────┤     │
    // ├─────┼─────┤ ==resize=up==>    │█████├─────┤
    // │█████│     │                   │█████│     │
    // └─────┴─────┘                   └─────┴─────┘
    // █ == focused pane
    let fake_win_size = PositionAndSize {
        columns: 121,
        rows: 40,
        x: 0,
        y: 0,
    };
    let mut fake_input_output = get_fake_os_input(&fake_win_size);

    fake_input_output.add_terminal_input(&[
        COMMAND_TOGGLE,
        COMMAND_TOGGLE,
        SPLIT_HORIZONTALLY,
        SPLIT_VERTICALLY,
        MOVE_FOCUS,
        SPLIT_VERTICALLY,
        MOVE_FOCUS,
        MOVE_FOCUS,
        RESIZE_RIGHT,
        RESIZE_LEFT,
        RESIZE_UP,
        QUIT,
    ]);
    start(Box::new(fake_input_output.clone()), Opt::default());
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn scrolling_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(&[
        COMMAND_TOGGLE,
        COMMAND_TOGGLE,
        SPLIT_HORIZONTALLY,
        SPLIT_VERTICALLY,
        SCROLL_UP,
        SCROLL_UP,
        SCROLL_DOWN,
        SCROLL_DOWN,
        QUIT,
    ]);
    start(Box::new(fake_input_output.clone()), Opt::default());
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[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
    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(&[
        COMMAND_TOGGLE,
        COMMAND_TOGGLE,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        QUIT,
    ]);
    let mut opts = Opt::default();
    opts.max_panes = Some(4);
    start(Box::new(fake_input_output.clone()), opts);
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn toggle_focused_pane_fullscreen() {
    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(&[
        COMMAND_TOGGLE,
        COMMAND_TOGGLE,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        SPAWN_TERMINAL,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        MOVE_FOCUS,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        MOVE_FOCUS,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        MOVE_FOCUS,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        TOGGLE_ACTIVE_TERMINAL_FULLSCREEN,
        QUIT,
    ]);
    let mut opts = Opt::default();
    opts.max_panes = Some(4);
    start(Box::new(fake_input_output.clone()), opts);
    let output_frames = fake_input_output
        .stdout_writer
        .output_frames
        .lock()
        .unwrap();
    let snapshots = get_output_frame_snapshots(&output_frames, &fake_win_size);
    for snapshot in snapshots {
        assert_snapshot!(snapshot);
    }
}