Function TestMetadataHandler_Error

pkg/querier/metadata_handler_test.go:202–228

(t *testing.T)

}

func TestMetadataHandler_Error(t *testing.T) {
	t.Parallel()

	d := &MockDistributor{}
	d.On("MetricsMetadata", mock.Anything, mock.Anything).Return([]scrape.MetricMetadata{}, fmt.Errorf("no user id"))

	handler := MetadataHandler(d)

	request, err := http.NewRequest("GET", "/metadata", nil)
	require.NoError(t, err)

	recorder := httptest.NewRecorder()
	handler.ServeHTTP(recorder, request)

	require.Equal(t, http.StatusBadRequest, recorder.Result().StatusCode)
	responseBody, err := io.ReadAll(recorder.Result().Body)
	require.NoError(t, err)

	expectedJSON := `
	{
		"status": "error",
		"error": "no user id"
	}
	`

	require.JSONEq(t, expectedJSON, string(responseBody))
}