Function TestMetricCounter

pkg/ingester/user_state_test.go:20–100

(t *testing.T)

)

func TestMetricCounter(t *testing.T) {
	const metric = "metric"

	for name, tc := range map[string]struct {
		ignored                   []string
		localLimit                int
		series                    int
		expectedErrorOnLastSeries error
	}{
		"no ignored metrics, limit not reached": {
			ignored:                   nil,
			localLimit:                5,
			series:                    5,
			expectedErrorOnLastSeries: nil,
		},

		"no ignored metrics, limit reached": {
			ignored:                   nil,
			localLimit:                5,
			series:                    6,
			expectedErrorOnLastSeries: errMaxSeriesPerMetricLimitExceeded,
		},

		"ignored metric, limit not reached": {
			ignored:                   []string{metric},
			localLimit:                5,
			series:                    5,
			expectedErrorOnLastSeries: nil,
		},

		"ignored metric, over limit": {
			ignored:                   []string{metric},
			localLimit:                5,
			series:                    10,
			expectedErrorOnLastSeries: nil, // this metric is not checked for series-count.
		},

		"ignored different metric, limit not reached": {
			ignored:                   []string{"another_metric1", "another_metric2"},
			localLimit:                5,
			series:                    5,
			expectedErrorOnLastSeries: nil,
		},

		"ignored different metric, over limit": {
			ignored:                   []string{"another_metric1", "another_metric2"},
			localLimit:                5,
			series:                    6,
			expectedErrorOnLastSeries: errMaxSeriesPerMetricLimitExceeded,
		},
	} {
		t.Run(name, func(t *testing.T) {
			var ignored map[string]struct{}
			if tc.ignored != nil {
				ignored = make(map[string]struct{})
				for _, v := range tc.ignored {
					ignored[v] = struct{}{}
				}