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Add tests for when '-' is used to signify to use standard input

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This commit is contained in:
Olivier Tilloy
2024-04-02 20:17:02 +02:00
parent 25e4a17421
commit a213272d0c
1 changed files with 29 additions and 0 deletions
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src/params.rs
+29
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@@ -457,6 +457,35 @@ mod tests {
);
}
#[test]
fn default_to_stdin() {
assert_eq!(
Ok(Params {
from: os("foo"),
to: os("/dev/stdin"),
..Default::default()
}),
parse_params([os("diff"), os("foo"), os("-")].iter().cloned())
);
assert_eq!(
Ok(Params {
from: os("/dev/stdin"),
to: os("bar"),
..Default::default()
}),
parse_params([os("diff"), os("-"), os("bar")].iter().cloned())
);
assert_eq!(
Ok(Params {
from: os("/dev/stdin"),
to: os("/dev/stdin"),
..Default::default()
}),
parse_params([os("diff"), os("-"), os("-")].iter().cloned())
);
assert!(parse_params([os("diff"), os("foo"), os("bar"), os("-")].iter().cloned()).is_err());
assert!(parse_params([os("diff"), os("-"), os("-"), os("-")].iter().cloned()).is_err());
}
#[test]
fn unknown_argument() {
assert!(
parse_params([os("diff"), os("-g"), os("foo"), os("bar")].iter().cloned()).is_err()