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other: add test to catch issues with incorrect long arg names (#1528)
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@ -586,6 +586,8 @@ pub(crate) fn build_cmd() -> Command {
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#[cfg(test)]
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mod test {
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use std::collections::HashSet;
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use super::*;
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#[test]
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@ -596,12 +598,37 @@ mod test {
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#[test]
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fn no_default_help_heading() {
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let mut cmd = build_cmd();
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let help_str = cmd.render_help();
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let help_str = cmd.render_help();
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assert!(
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!help_str.to_string().contains("\nOptions:\n"),
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"the default 'Options' heading should not exist; if it does then an argument is \
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missing a help heading."
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);
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let long_help_str = cmd.render_long_help();
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assert!(
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!long_help_str.to_string().contains("\nOptions:\n"),
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"the default 'Options' heading should not exist; if it does then an argument is \
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missing a help heading."
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);
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}
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#[test]
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fn catch_incorrect_long_args() {
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// Set this to allow certain ones through if needed.
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let allow_list: HashSet<&str> = vec![].into_iter().collect();
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let cmd = build_cmd();
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for opts in cmd.get_opts() {
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let long_flag = opts.get_long().unwrap();
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if !allow_list.contains(long_flag) {
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assert!(
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long_flag.len() < 30,
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"the long help arg '{long_flag}' might be set wrong, please take a look!"
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);
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}
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}
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}
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}
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