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test(error): Show good/bad trailing suggestions

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Ed Page 2022-10-13 09:58:43 -05:00
parent 06e2388972
commit 035571fb5a
1 changed files with 63 additions and 0 deletions
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63
tests/builder/error.rs
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@ -128,3 +128,66 @@ For more information try '--help'
";
assert_error(err, expected_kind, MESSAGE, true);
}
#[test]
#[cfg(feature = "error-context")]
fn suggest_trailing() {
let cmd = Command::new("rg").arg(arg!([PATTERN]));
let res = cmd.try_get_matches_from(["rg", "--foo"]);
assert!(res.is_err());
let err = res.unwrap_err();
let expected_kind = ErrorKind::UnknownArgument;
static MESSAGE: &str = "\
error: Found argument '--foo' which wasn't expected, or isn't valid in this context
If you tried to supply '--foo' as a value rather than a flag, use '-- --foo'
Usage: rg [PATTERN]
For more information try '--help'
";
assert_error(err, expected_kind, MESSAGE, true);
}
#[test]
#[cfg(feature = "error-context")]
fn trailing_already_in_use() {
let cmd = Command::new("rg").arg(arg!([PATTERN]));
let res = cmd.try_get_matches_from(["rg", "--", "--foo", "--foo"]);
assert!(res.is_err());
let err = res.unwrap_err();
let expected_kind = ErrorKind::UnknownArgument;
static MESSAGE: &str = "\
error: Found argument '--foo' which wasn't expected, or isn't valid in this context
If you tried to supply '--foo' as a value rather than a flag, use '-- --foo'
Usage: rg [PATTERN]
For more information try '--help'
";
assert_error(err, expected_kind, MESSAGE, true);
}
#[test]
#[cfg(feature = "error-context")]
fn cant_use_trailing() {
let cmd = Command::new("test");
let res = cmd.try_get_matches_from(["test", "--foo"]);
assert!(res.is_err());
let err = res.unwrap_err();
let expected_kind = ErrorKind::UnknownArgument;
static MESSAGE: &str = "\
error: Found argument '--foo' which wasn't expected, or isn't valid in this context
If you tried to supply '--foo' as a value rather than a flag, use '-- --foo'
Usage: test
For more information try '--help'
";
assert_error(err, expected_kind, MESSAGE, true);
}