17 lines
394 B
Go
17 lines
394 B
Go
package cli
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import (
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"strings"
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"testing"
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)
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func replaceRequiredOnce(t *testing.T, input, old, replacement string) string {
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t.Helper()
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if count := strings.Count(input, old); count != 1 {
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t.Fatalf("replacement marker %q occurs %d times, want exactly once", old, count)
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}
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return strings.Replace(input, old, replacement, 1)
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}
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func emptyLookup(string) (string, bool) { return "", false }
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