Function TestSLOHook

modules/frontend/slos_test.go:20–164

(t *testing.T)

)

func TestSLOHook(t *testing.T) {
	tcs := []struct {
		name           string
		cfg            SLOConfig
		bytesProcessed float64
		httpStatusCode int
		latency        time.Duration
		err            error

		totalRequests      float64
		totalCancelled     float64
		expectedWithInSLO  float64
		cancelledWithinSLO float64
	}{
		{
			name:              "no slo passes",
			expectedWithInSLO: 1.0,
			totalRequests:     1.0,
		},
		{
			name:          "no slo fails : error",
			err:           errors.New("foo"),
			totalRequests: 1.0,
		},
		{
			name:              "no slo passes : resource exhausted grpc error",
			err:               status.Error(codes.ResourceExhausted, "foo"),
			expectedWithInSLO: 1.0,
			totalRequests:     1.0,
		},
		{
			name:           "no slo fails : 5XX status code",
			httpStatusCode: http.StatusInternalServerError,
			totalRequests:  1.0,
		},
		{
			name:              "no slo passes : 4XX status code",
			httpStatusCode:    http.StatusTooManyRequests,
			expectedWithInSLO: 1.0,
			totalRequests:     1.0,
		},
		{
			name: "slo passes - both",
			cfg: SLOConfig{
				DurationSLO:        10 * time.Second,
				ThroughputBytesSLO: 100,
			},
			latency:           5 * time.Second,
			bytesProcessed:    110,
			expectedWithInSLO: 1.0,
			totalRequests:     1.0,
		},
		{
			name: "slo passes - latency",
			cfg: SLOConfig{
				DurationSLO:        10 * time.Second,
				ThroughputBytesSLO: 100,
			},