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fmt: use clap's value parser for goal & width

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This commit is contained in:
Daniel Hofstetter 2023-09-28 10:50:56 +02:00
parent 2789885648
commit 51eb20a15d
2 changed files with 30 additions and 22 deletions
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30
src/uu/fmt/src/fmt.rs
View file

@ -131,16 +131,8 @@ fn parse_arguments(args: impl uucore::Args) -> UResult<(Vec<String>, FmtOptions)
fmt_opts.use_anti_prefix = true;
};
if let Some(s) = matches.get_one::<String>(OPT_WIDTH) {
fmt_opts.width = match s.parse::<usize>() {
Ok(t) => t,
Err(e) => {
return Err(USimpleError::new(
1,
format!("Invalid WIDTH specification: {}: {}", s.quote(), e),
));
}
};
if let Some(width) = matches.get_one::<usize>(OPT_WIDTH) {
fmt_opts.width = *width;
if fmt_opts.width > MAX_WIDTH {
return Err(USimpleError::new(
1,
@ -156,16 +148,8 @@ fn parse_arguments(args: impl uucore::Args) -> UResult<(Vec<String>, FmtOptions)
);
};
if let Some(s) = matches.get_one::<String>(OPT_GOAL) {
fmt_opts.goal = match s.parse::<usize>() {
Ok(t) => t,
Err(e) => {
return Err(USimpleError::new(
1,
format!("Invalid GOAL specification: {}: {}", s.quote(), e),
));
}
};
if let Some(goal) = matches.get_one::<usize>(OPT_GOAL) {
fmt_opts.goal = *goal;
if !matches.contains_id(OPT_WIDTH) {
fmt_opts.width = cmp::max(
fmt_opts.goal * 100 / DEFAULT_GOAL_TO_WIDTH_RATIO,
@ -372,14 +356,16 @@ pub fn uu_app() -> Command {
.short('w')
.long("width")
.help("Fill output lines up to a maximum of WIDTH columns, default 75.")
.value_name("WIDTH"),
.value_name("WIDTH")
.value_parser(clap::value_parser!(usize)),
)
.arg(
Arg::new(OPT_GOAL)
.short('g')
.long("goal")
.help("Goal width, default of 93% of WIDTH. Must be less than WIDTH.")
.value_name("GOAL"),
.value_name("GOAL")
.value_parser(clap::value_parser!(usize)),
)
.arg(
Arg::new(OPT_QUICK)

22
tests/by-util/test_fmt.rs
View file

@ -48,6 +48,17 @@ fn test_fmt_width_too_big() {
}
}
#[test]
fn test_fmt_invalid_width() {
for param in ["-w", "--width"] {
new_ucmd!()
.args(&["one-word-per-line.txt", param, "invalid"])
.fails()
.code_is(1)
.stderr_contains("invalid value 'invalid'");
}
}
#[ignore]
#[test]
fn test_fmt_goal() {
@ -70,6 +81,17 @@ fn test_fmt_goal_too_big() {
}
}
#[test]
fn test_fmt_invalid_goal() {
for param in ["-g", "--goal"] {
new_ucmd!()
.args(&["one-word-per-line.txt", param, "invalid"])
.fails()
.code_is(1)
.stderr_contains("invalid value 'invalid'");
}
}
#[test]
fn test_fmt_set_goal_not_contain_width() {
for param in ["-g", "--goal"] {