Function TestFetchStatsHTTPError

fbclock/daemon/datafetcher_http_test.go:186–197

(t *testing.T)

	// gm_present=0 means ClockAccuracyNS should be 0
	require.Equal(t, float64(0), dp.ClockAccuracyNS)
	require.Equal(t, -50.5, dp.MasterOffsetNS)
	require.Equal(t, 100.0, dp.PathDelayNS)
}

func TestFetchStatsSpikeFilteredGM(t *testing.T) {
	// What sptp publishes while its servo filters an offset spike: the
	// grandmaster it steers to, with this tick's measurement withheld.
	sampleResp := `
[
	{"gm_address": "::1", "selected": true, "priority3": 1, "gm_present": 0, "servo_state": 3, "error": "Measurement is missing on RunResult"}
]
`
	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
		fmt.Fprintln(w, sampleResp)
	}))