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testing: optimize got,want equal comparison for unordered example output

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Introduce sortedLinesEqual function which avoids strings.Join calls,
and replace strings equal comparation with slices.Equal.
This commit is contained in:
Jes Cok 2025-02-28 21:54:29 +08:00
parent b199d9766a
commit a71aa58c58
1 changed files with 3 additions and 7 deletions
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10
src/testing/example.go
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@ -46,12 +46,6 @@ func runExamples(matchString func(pat, str string) (bool, error), examples []Int
return ran, ok
}
func sortLines(output string) string {
lines := strings.Split(output, "\n")
slices.Sort(lines)
return strings.Join(lines, "\n")
}
// processRunResult computes a summary and status of the result of running an example test.
// stdout is the captured output from stdout of the test.
// recovered is the result of invoking recover after running the test, in case it panicked.
@ -72,7 +66,9 @@ func (eg *InternalExample) processRunResult(stdout string, timeSpent time.Durati
want = strings.ReplaceAll(want, "\r\n", "\n")
}
if eg.Unordered {
if sortLines(got) != sortLines(want) && recovered == nil {
gotLines := slices.Sorted(strings.SplitSeq(got, "\n"))
wantLines := slices.Sorted(strings.SplitSeq(want, "\n"))
if !slices.Equal(gotLines, wantLines) && recovered == nil {
fail = fmt.Sprintf("got:\n%s\nwant (unordered):\n%s\n", stdout, eg.Output)
}
} else {