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feat: add paging to '-h' and '--help' (#3478)

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* feat: add paging to '-h' and '--help'

Fixes #1587
This commit is contained in:
Muntasir Mahmud
2025-11-24 02:10:56 +06:00
committed by GitHub
parent 1e4a4b765f
commit 70ec3fc24e
4 changed files with 184 additions and 19 deletions
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38
tests/integration_tests.rs
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@@ -605,6 +605,44 @@ fn test_help(arg: &str, expect_file: &str) {
.assert_eq(&String::from_utf8_lossy(&assert.get_output().stdout));
}
#[test]
fn short_help_with_highlighting() {
bat()
.arg("-h")
.arg("--paging=never")
.arg("--color=always")
.assert()
.success()
.stdout(predicate::str::contains("\x1B["))
.stdout(predicate::str::contains("Usage:"))
.stdout(predicate::str::contains("Options:"));
}
#[test]
fn long_help_with_highlighting() {
bat()
.arg("--help")
.arg("--paging=never")
.arg("--color=always")
.assert()
.success()
.stdout(predicate::str::contains("\x1B["))
.stdout(predicate::str::contains("Usage:"))
.stdout(predicate::str::contains("Options:"));
}
#[test]
fn help_with_color_never() {
bat()
.arg("--help")
.arg("--color=never")
.arg("--paging=never")
.assert()
.success()
.stdout(predicate::str::contains("\x1B[").not())
.stdout(predicate::str::contains("Usage:"));
}
#[cfg(unix)]
fn setup_temp_file(content: &[u8]) -> io::Result<(PathBuf, tempfile::TempDir)> {
let dir = tempfile::tempdir().expect("Couldn't create tempdir");