1 package metrics_test 2 3 import ( 4 "context" 5 "errors" 6 "testing" 7 8 "github.com/cybertec-postgresql/pgwatch/v3/internal/metrics" 9 "github.com/stretchr/testify/assert" 10 ) 11 12 func TestGetDefaultBuiltInMetrics(t *testing.T) { 13 expectedMetrics := []string{"sproc_changes", "table_changes", "index_changes", "privilege_changes", "object_changes", "configuration_changes"} 14 metrics := metrics.GetDefaultBuiltInMetrics() 15 assert.Equal(t, expectedMetrics, metrics, "The default built-in metrics should match the expected list") 16 } 17 18 func TestNewDefaultMetricReader(t *testing.T) { 19 reader, err := metrics.NewDefaultMetricReader(context.Background()) 20 assert.NoError(t, err, "Creating a new default metric reader should not produce an error") 21 assert.NotNil(t, reader, "The metric reader should not be nil") 22 } 23 24 func TestDefaultMetricReaderUnsupportedOperations(t *testing.T) { 25 reader, _ := metrics.NewDefaultMetricReader(context.Background()) 26 err := reader.WriteMetrics(nil) 27 assert.Equal(t, errors.ErrUnsupported, err, "WriteMetrics should return ErrUnsupported") 28 29 err = reader.DeleteMetric("") 30 assert.Equal(t, errors.ErrUnsupported, err, "DeleteMetric should return ErrUnsupported") 31 32 err = reader.UpdateMetric("", metrics.Metric{}) 33 assert.Equal(t, errors.ErrUnsupported, err, "UpdateMetric should return ErrUnsupported") 34 35 err = reader.DeletePreset("") 36 assert.Equal(t, errors.ErrUnsupported, err, "DeletePreset should return ErrUnsupported") 37 38 err = reader.UpdatePreset("", metrics.Preset{}) 39 assert.Equal(t, errors.ErrUnsupported, err, "UpdatePreset should return ErrUnsupported") 40 41 metrics, err := reader.GetMetrics() 42 assert.NotNil(t, metrics, "The metrics object should not be nil") 43 assert.NoError(t, err, "GetMetrics should return default metrics") 44 } 45