aboutsummaryrefslogtreecommitdiffstats
path: root/src/tests/integration/basic.rs
blob: 752d720b94c6f4b9c77ce7de73b78250af7e0957 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
use ::nix::pty::Winsize;
use ::insta::assert_snapshot;

use crate::{start, TerminalOutput};
use crate::tests::fakes::{FakeInputOutput};

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

#[test]
pub fn starts_with_one_terminal () {
    let fake_win_size = Winsize { // TODO: combine with above
        ws_col: 121,
        ws_row: 20,
        ws_xpixel: 0,
        ws_ypixel: 0,
    };
    let mut fake_input_output = get_fake_os_input(&fake_win_size);
    fake_input_output.add_terminal_input(&[17]); // quit (ctrl-q)
    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');
            }
        }
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn split_terminals_vertically() {
    let fake_win_size = Winsize { // TODO: combine with above
        ws_col: 121,
        ws_row: 20,
        ws_xpixel: 0,
        ws_ypixel: 0,
    };
    let mut fake_input_output = get_fake_os_input(&fake_win_size);
    fake_input_output.add_terminal_input(&[14, 17]); // split-vertically and quit (ctrl-n + ctrl-q)
    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');
            }
        }
        assert_snapshot!(snapshot);
    }
}

#[test]
pub fn split_terminals_horizontally() {
    let fake_win_size = Winsize { // TODO: combine with above
        ws_col: 121,
        ws_row: 20,
        ws_xpixel: 0,
        ws_ypixel: 0,
    };
    let mut fake_input_output = get_fake_os_input(&fake_win_size);
    fake_input_output.add_terminal_input(&[2, 17]); // split-horizontally and quit (ctrl-b + ctrl-q)
    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');
            }
        }
        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 = Winsize { // TODO: combine with above
        ws_col: 121,
        ws_row: 40,
        ws_xpixel: 0,
        ws_ypixel: 0,
    };
    let mut fake_input_output = get_fake_os_input(&fake_win_size);

    // (ctrl-b + ctrl-n + ctrl-p + ctrl-n + ctrl-p * 2 + ctrl-l + ctrl-h + ctrl-k + ctrl-q)
    fake_input_output.add_terminal_input(&[2, 14, 16, 14, 16, 16, 12, 8, 11, 17]);

    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');
            }
        }
        assert_snapshot!(snapshot);
    }
}