2020-02-22 10:39:03 +01:00
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#[derive(PartialEq, Debug)]
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2018-10-03 11:25:16 +02:00
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pub enum ExitCode {
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2019-09-13 22:26:27 +02:00
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Success,
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2018-10-03 15:27:53 +02:00
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GeneralError,
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KilledBySigint,
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2018-10-03 11:25:16 +02:00
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}
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impl Into<i32> for ExitCode {
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fn into(self) -> i32 {
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match self {
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2020-02-22 08:55:32 +01:00
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ExitCode::Success => 0,
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ExitCode::GeneralError => 1,
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ExitCode::KilledBySigint => 130,
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2018-10-03 11:25:16 +02:00
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}
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}
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}
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2020-01-25 17:13:47 +01:00
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impl ExitCode {
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2020-02-22 09:01:52 +01:00
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fn is_error(&self) -> bool {
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match self {
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ExitCode::GeneralError | ExitCode::KilledBySigint => true,
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_ => false,
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}
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}
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2020-01-25 17:13:47 +01:00
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}
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2020-02-22 09:08:07 +01:00
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2020-02-22 09:08:56 +01:00
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pub fn merge_exitcodes(results: Vec<ExitCode>) -> ExitCode {
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2020-02-22 09:08:07 +01:00
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if results.iter().any(ExitCode::is_error) {
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return ExitCode::GeneralError;
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}
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ExitCode::Success
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}
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2020-02-22 10:39:03 +01:00
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn success_with_empty_vec() {
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assert_eq!(merge_exitcodes(vec![]), ExitCode::Success);
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}
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#[test]
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fn general_error_with_at_least_a_matching_error() {
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assert_eq!(
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merge_exitcodes(vec![ExitCode::KilledBySigint, ExitCode::Success]),
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ExitCode::GeneralError
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);
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assert_eq!(
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merge_exitcodes(vec![ExitCode::GeneralError, ExitCode::Success]),
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ExitCode::GeneralError
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);
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}
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#[test]
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fn success_with_no_error() {
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assert_eq!(merge_exitcodes(vec![ExitCode::Success]), ExitCode::Success);
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}
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}
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