paneru 0.4.1

A sliding, tiling window manager for MacOS.
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use std::sync::{Arc, RwLock};

use crate::commands::{Command, Direction, Operation, ResizeDirection};
use crate::config::{Config, MainOptions, WindowParams};
use crate::events::Event;
use crate::manager::{WindowApi, WindowPadding};
use crate::platform::ProcessSerialNumber;
use crate::{assert_window_at, assert_window_size};
use bevy::prelude::*;

use super::*;

#[test]
fn test_set_padding_expands_frame() {
    let psn = ProcessSerialNumber { high: 0, low: 0 };
    let app = MockApplication::new(psn, 1, "test".to_string());
    let event_queue = Arc::new(RwLock::new(Vec::new()));

    // Window at (100, 50) with size (400, 300).
    let frame = IRect::new(100, 50, 500, 350);
    let mut window = MockWindow::new(1, frame, event_queue, app);

    assert_eq!(window.frame().width(), 400);
    assert_eq!(window.frame().height(), 300);

    // Setting horizontal padding should expand the frame by the padding on each side.
    window.set_padding(WindowPadding::Horizontal(8));
    assert_eq!(
        window.frame().min.x,
        92,
        "min.x should shift left by padding"
    );
    assert_eq!(
        window.frame().max.x,
        508,
        "max.x should shift right by padding"
    );
    assert_eq!(
        window.frame().width(),
        416,
        "width should grow by 2 * padding"
    );

    // Setting vertical padding should expand the frame vertically.
    window.set_padding(WindowPadding::Vertical(5));
    assert_eq!(window.frame().min.y, 45, "min.y should shift up by padding");
    assert_eq!(
        window.frame().max.y,
        355,
        "max.y should shift down by padding"
    );
    assert_eq!(
        window.frame().height(),
        310,
        "height should grow by 2 * padding"
    );

    // Changing padding from 8 to 12 should only expand by the delta (4).
    window.set_padding(WindowPadding::Horizontal(12));
    assert_eq!(window.frame().min.x, 88);
    assert_eq!(window.frame().max.x, 512);
    assert_eq!(window.frame().width(), 424);
}

#[test]
#[allow(clippy::too_many_lines)]
fn test_window_shuffle() {
    const PADDING_LEFT: u16 = 3;
    const PADDING_RIGHT: u16 = 5;
    const PADDING_TOP: u16 = 7;
    const PADDING_BOTTOM: u16 = 9;
    const SLIVER_WIDTH: u16 = 5;
    const H_PAD: i32 = 2;

    let commands = vec![
        Event::MenuOpened { window_id: 0 }, // 0
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::Last)),
        }, // 1
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::First)),
        }, // 2
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::East)),
        }, // 3
        Event::Command {
            command: Command::Window(Operation::Stack(true)),
        }, // 4
        Event::Command {
            command: Command::Window(Operation::Center),
        }, // 5
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::East)),
        }, // 6
        Event::Command {
            command: Command::Window(Operation::Stack(true)),
        }, // 7
        Event::Command {
            command: Command::Window(Operation::Center),
        }, // 8
        Event::Command {
            command: Command::PrintState,
        }, // 9
    ];

    // Logical width includes padding expansion on each side.
    let logical_width = TEST_WINDOW_WIDTH + 2 * H_PAD;
    let top_edge = TEST_MENUBAR_HEIGHT + i32::from(PADDING_TOP);
    let left_edge = i32::from(PADDING_LEFT);
    let right_edge = TEST_DISPLAY_WIDTH - i32::from(PADDING_RIGHT);
    let offscreen_right = right_edge - i32::from(SLIVER_WIDTH) + i32::from(PADDING_RIGHT) - H_PAD;
    let offscreen_left =
        left_edge - logical_width + i32::from(SLIVER_WIDTH) - i32::from(PADDING_LEFT) + H_PAD;
    let centered = (TEST_DISPLAY_WIDTH - logical_width) / 2;

    let mut params = WindowParams::new(".*", None);
    params.vertical_padding = Some(3);
    params.horizontal_padding = Some(2);
    let config: Config = (
        MainOptions {
            padding_left: Some(PADDING_LEFT),
            padding_right: Some(PADDING_RIGHT),
            padding_top: Some(PADDING_TOP),
            padding_bottom: Some(PADDING_BOTTOM),
            ..Default::default()
        },
        vec![params],
    )
        .into();

    TestHarness::new()
        .with_config(config)
        .with_windows(5)
        .on_iteration(1, move |world| {
            assert_window_at!(world, 4, offscreen_left, top_edge);
            assert_window_at!(world, 3, offscreen_left, top_edge);
            assert_window_at!(world, 2, right_edge - 3 * logical_width, top_edge);
            assert_window_at!(world, 1, right_edge - 2 * logical_width, top_edge);
            assert_window_at!(world, 0, right_edge - logical_width, top_edge);
        })
        .on_iteration(2, move |world| {
            assert_window_at!(world, 4, left_edge, top_edge);
            assert_window_at!(world, 3, left_edge + logical_width, top_edge);
            assert_window_at!(world, 2, left_edge + 2 * logical_width, top_edge);
            assert_window_at!(world, 1, offscreen_right, top_edge);
            assert_window_at!(world, 0, offscreen_right, top_edge);
        })
        .on_iteration(5, move |world| {
            assert_window_at!(world, 4, centered, top_edge);
            assert_window_at!(world, 3, centered, 393);
            assert_window_at!(world, 2, centered + logical_width, top_edge);
            assert_window_at!(world, 1, offscreen_right, top_edge);
            assert_window_at!(world, 0, offscreen_right, top_edge);
        })
        .on_iteration(9, move |world| {
            assert_window_at!(world, 4, centered, top_edge);
            assert_window_at!(world, 3, centered, 271);
            assert_window_at!(world, 2, centered, 515);
            assert_window_at!(world, 1, centered + logical_width, top_edge);
            assert_window_at!(world, 0, offscreen_right, top_edge);
        })
        .run(commands);
}

#[test]
fn test_startup_windows() {
    let commands = vec![
        Event::MenuOpened { window_id: 0 },
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::East)),
        },
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::East)),
        },
        Event::Command {
            command: Command::Window(Operation::Focus(Direction::First)),
        },
        Event::Command {
            command: Command::PrintState,
        },
    ];

    TestHarness::new()
        .with_windows(5)
        .on_iteration(4, |world| {
            assert_window_at!(world, 4, 0, TEST_MENUBAR_HEIGHT);
            assert_window_at!(world, 3, 400, TEST_MENUBAR_HEIGHT);
            assert_window_at!(world, 2, 800, TEST_MENUBAR_HEIGHT);
        })
        .run(commands);
}

#[test]
fn test_window_resize_grow_and_shrink_cycle() {
    let commands = vec![
        Event::MenuOpened { window_id: 0 },
        Event::Command {
            command: Command::Window(Operation::Resize(ResizeDirection::Grow)),
        },
        Event::Command {
            command: Command::Window(Operation::Resize(ResizeDirection::Grow)),
        },
        Event::Command {
            command: Command::Window(Operation::Resize(ResizeDirection::Grow)),
        },
        Event::Command {
            command: Command::Window(Operation::Resize(ResizeDirection::Shrink)),
        },
    ];

    let config: Config = (
        MainOptions {
            preset_column_widths: vec![0.25, 0.5, 0.75],
            ..Default::default()
        },
        vec![],
    )
        .into();

    TestHarness::new()
        .with_config(config)
        .with_windows(1)
        .on_iteration(1, |world| {
            assert_window_size!(world, 0, 512, 748);
        })
        .on_iteration(2, |world| {
            assert_window_size!(world, 0, 768, 748);
        })
        .on_iteration(3, |world| {
            assert_window_size!(world, 0, 256, 748);
        })
        .on_iteration(4, |world| {
            assert_window_size!(world, 0, 768, 748);
        })
        .run(commands);
}