Function AssertLogContains

base/logging.go:414–427

AssertLogContains asserts that the logs produced by function f contain string s.

(t *testing.T, s string, f func())

// AssertLogContains asserts that the logs produced by function f contain string s.
func AssertLogContains(t *testing.T, s string, f func()) {
	// Temporarily override logger output
	b := &bytes.Buffer{}
	mw := io.MultiWriter(b, os.Stderr)
	consoleLogger.Load().logger.SetOutput(mw)
	// Call the given function
	f()

	FlushLogBuffers()
	consoleLogger.Load().FlushBufferToLog()
	// do not reset output in defer, since we are accessing b.String() after
	consoleLogger.Load().logger.SetOutput(os.Stderr)
	assert.Contains(t, b.String(), s)
}

// AssertLogNotContains asserts that the logs produced by function f do not contain string s.
func AssertLogNotContains(t *testing.T, s string, f func()) {