Created
January 20, 2016 23:40
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var logLines []string | |
type logMock struct{} | |
func (l *logMock) Write(p []byte) (int, error) { | |
logLines = append(logLines, string(p)) | |
return 0, nil | |
} | |
//CaptureLogOutput A utility to capture the log output of a function and pass it along | |
func CaptureLogOutput(toBeCaptured func(), handleResults func([]string)) { | |
logLines = []string{} | |
currentFlags := log.Flags() | |
log.SetFlags(0) | |
log.SetOutput(&logMock{}) | |
toBeCaptured() | |
log.SetOutput(os.Stderr) | |
log.SetFlags(currentFlags) | |
handleResults(logLines) | |
} |
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See for examples: https://github.com/MediaMath/auth_go_common_libs/blob/master/testhelpers/testhelpers_test.go