Function TestCompareVector

tools/querytee/response_comparator_test.go:105–186

(t *testing.T)

}

func TestCompareVector(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"},"value":[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"},"value":[1,"1"]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo":"bar"},"value":[1,"1"]},
							{"metric":{"foo1":"bar1"},"value":[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"},"value":[1,"1"]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo1":"bar1"},"value":[1,"1"]}
						]`),
			err: errors.New("expected metric {foo=\"bar\"} missing from actual response"),
		},
		{
			name: "difference in sample timestamp",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"value":[1,"1"]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo":"bar"},"value":[2,"1"]}
						]`),
			err: errors.New("sample pair not matching for metric {foo=\"bar\"}: expected timestamp 1 but got 2"),
		},
		{
			name: "difference in sample value",
			expected: json.RawMessage(`[
							{"metric":{"foo":"bar"},"value":[1,"1"]}
						]`),
			actual: json.RawMessage(`[
							{"metric":{"foo":"bar"},"value":[1,"2"]}