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use crate::{
config::{utils::get_string, ConfigError, ConfigErrorCause, DiffIgnoreWhitespaceSetting},
git::Config,
};
pub(crate) fn get_diff_ignore_whitespace(
git_config: Option<&Config>,
name: &str,
) -> Result<DiffIgnoreWhitespaceSetting, ConfigError> {
match get_string(git_config, name, "none")?.to_lowercase().as_str() {
"true" | "on" | "all" => Ok(DiffIgnoreWhitespaceSetting::All),
"change" => Ok(DiffIgnoreWhitespaceSetting::Change),
"false" | "off" | "none" => Ok(DiffIgnoreWhitespaceSetting::None),
input => {
Err(ConfigError::new(
name,
input,
ConfigErrorCause::InvalidDiffIgnoreWhitespace,
))
},
}
}
#[cfg(test)]
mod tests {
use claims::{assert_err_eq, assert_ok_eq};
use rstest::rstest;
use super::*;
use crate::test_helpers::{invalid_utf, with_git_config};
#[rstest]
#[case::true_str("true", DiffIgnoreWhitespaceSetting::All)]
#[case::on("on", DiffIgnoreWhitespaceSetting::All)]
#[case::all("all", DiffIgnoreWhitespaceSetting::All)]
#[case::change("change", DiffIgnoreWhitespaceSetting::Change)]
#[case::false_str("false", DiffIgnoreWhitespaceSetting::None)]
#[case::off("off", DiffIgnoreWhitespaceSetting::None)]
#[case::none("none", DiffIgnoreWhitespaceSetting::None)]
#[case::mixed_case("ChAnGe", DiffIgnoreWhitespaceSetting::Change)]
fn read_ok(#[case] value: &str, #[case] expected: DiffIgnoreWhitespaceSetting) {
with_git_config(&["[test]", format!("value = \"{value}\"").as_str()], |git_config| {
assert_ok_eq!(get_diff_ignore_whitespace(Some(&git_config), "test.value"), expected);
});
}
#[test]
fn read_default() {
with_git_config(&[], |git_config| {
assert_ok_eq!(
get_diff_ignore_whitespace(Some(&git_config), "test.value"),
DiffIgnoreWhitespaceSetting::None
);
});
}
#[test]
fn read_invalid_value() {
with_git_config(&["[test]", "value = invalid"], |git_config| {
assert_err_eq!(
get_diff_ignore_whitespace(Some(&git_config), "test.value"),
ConfigError::new("test.value", "invalid", ConfigErrorCause::InvalidDiffIgnoreWhitespace)
);
});
}
#[test]
fn read_invalid_non_utf() {
with_git_config(
&["[test]", format!("value = {}", invalid_utf()).as_str()],
|git_config| {
assert_err_eq!(
get_diff_ignore_whitespace(Some(&git_config), "test.value"),
ConfigError::new_read_error("test.value", ConfigErrorCause::InvalidUtf)
);
},
);
}
}
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