helix - Unnamed repository; edit this file 'description' to name the repository.


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

use super::*;

use helix_core::diagnostic::Severity;

#[tokio::test(flavor = "multi_thread")]
async fn history_completion() -> anyhow::Result<()> {
    test_key_sequence(
        &mut AppBuilder::new().build()?,
        Some(":asdf<ret>:theme d<C-n><tab>"),
        Some(&|app| {
            assert!(!app.editor.is_err());
        }),
        false,
    )
    .await?;

    Ok(())
}

#[tokio::test(flavor = "multi_thread")]
async fn prompt_reset_anchor() -> anyhow::Result<()> {
    test_key_sequence(
        &mut AppBuilder::new().build()?,
        Some(":string wider than the terminal window causing the anchor location to be non zero which would panic when the line is deleted<C-u>"),
        Some(&|app| {
            assert!(!app.editor.is_err());
        }),
        false,
    )
    .await?;

    Ok(())
}

async fn test_statusline(
    line: &str,
    expected_status: &str,
    expected_severity: Severity,
) -> anyhow::Result<()> {
    test_key_sequence(
        &mut AppBuilder::new().build()?,
        Some(&format!("{line}<ret>")),
        Some(&|app| {
            let (status, &severity) = app.editor.get_status().unwrap();
            assert_eq!(
                severity, expected_severity,
                "'{line}' printed {severity:?}: {status}"
            );
            assert_eq!(status.as_ref(), expected_status);
        }),
        false,
    )
    .await
}

#[tokio::test(flavor = "multi_thread")]
async fn variable_expansion() -> anyhow::Result<()> {
    test_statusline(r#":echo %{cursor_line}"#, "1", Severity::Info).await?;
    // Double quotes can be used with expansions:
    test_statusline(
        r#":echo "line%{cursor_line}line""#,
        "line1line",
        Severity::Info,
    )
    .await?;
    // Within double quotes you can escape the percent token for an expansion by doubling it.
    test_statusline(
        r#":echo "%%{cursor_line}""#,
        "%{cursor_line}",
        Severity::Info,
    )
    .await?;

    Ok(())
}

#[tokio::test(flavor = "multi_thread")]
async fn unicode_expansion() -> anyhow::Result<()> {
    test_statusline(r#":echo %u{20}"#, " ", Severity::Info).await?;
    test_statusline(r#":echo %u{0020}"#, " ", Severity::Info).await?;
    test_statusline(r#":echo %u{25CF}"#, "●", Severity::Info).await?;
    // Not a valid Unicode codepoint:
    test_statusline(
        r#":echo %u{deadbeef}"#,
        "'echo': could not interpret 'deadbeef' as a Unicode character code",
        Severity::Error,
    )
    .await?;

    Ok(())
}

#[cfg(unix)]
#[tokio::test(flavor = "multi_thread")]
async fn shell_expansion() -> anyhow::Result<()> {
    test_statusline(
        r#":echo %sh{echo "hello world"}"#,
        "hello world",
        Severity::Info,
    )
    .await?;

    // Shell expansion is recursive.
    test_statusline(":echo %sh{echo '%{cursor_line}'}", "1", Severity::Info).await?;

    Ok(())
}

#[tokio::test(flavor = "multi_thread")]
async fn register_expansion() -> anyhow::Result<()> {
    test_statusline(
        r#":set-register a hello world<ret>:echo %reg{a}"#,
        "hello world",
        Severity::Info,
    )
    .await?;
    test_statusline(r#":echo %reg{a}"#, "", Severity::Info).await?;
    test_statusline(
        r#":echo %reg{abc}"#,
        "'echo': Invalid register `abc`: should only be a single character",
        Severity::Error,
    )
    .await?;

    // Register expansion evaluation is *not* recursive.
    test_statusline(
        r#":set-register a b<ret>:set-register b hello<ret>:echo %reg{%reg{a}}"#,
        "'echo': Invalid register `%reg{a}`: should only be a single character",
        Severity::Error,
    )
    .await?;
    test_statusline(
        r#":set-register a hello<ret>:set-register b %%reg{a}<ret>:echo %reg{b}"#,
        "%reg{a}",
        Severity::Info,
    )
    .await?;

    // However, you can copy the contents of one register into another with this expansion if you
    // want to.
    test_statusline(
        r#":set-register a hello<ret>:set-register b %reg{a}<ret>:echo %reg{b}"#,
        "hello",
        Severity::Info,
    )
    .await?;

    Ok(())
}

#[tokio::test(flavor = "multi_thread")]
async fn percent_escaping() -> anyhow::Result<()> {
    test_statusline(
        r#":sh echo hello 10%"#,
        "'run-shell-command': '%' was not properly escaped. Please use '%%'",
        Severity::Error,
    )
    .await?;
    Ok(())
}