Function TestCompareMatrix

tools/querytee/response_comparator_test.go:11–103

(t *testing.T)

)

func TestCompareMatrix(t *testing.T) {
	for _, tc := range []struct {
		name     string
		expected json.RawMessage
		actual   json.RawMessage
		err      error
	}{
		{
			name:     "no metrics",
			expected: json.RawMessage(`[]`),
			actual:   json.RawMessage(`[]`),
		},
		{
			name: "no metrics in actual response",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"]]}
						]`),
			actual: json.RawMessage(`[]`),
			err:    errors.New("expected 1 metrics but got 0"),
		},
		{
			name: "extra metric in actual response",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"]]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"]]},
							{"metric":{"foo1":"bar1"},"values":[[1,"1"]]}
						]`),
			err: errors.New("expected 1 metrics but got 2"),
		},
		{
			name: "same number of metrics but with different labels",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"]]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo1":"bar1"},"values":[[1,"1"]]}
						]`),
			err: errors.New("expected metric {foo=\"bar\"} missing from actual response"),
		},
		{
			name: "difference in number of samples",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"],[2,"2"]]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"]]}
						]`),
			err: errors.New("expected 2 samples for metric {foo=\"bar\"} but got 1"),
		},
		{
			name: "difference in sample timestamp",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"],[2,"2"]]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo":"bar"},"values":[[1,"1"],[3,"2"]]}