Function ensureAllFieldsPopulated

modules/overrides/config_test.go:325–351

ensureAllFieldsPopulated checks that all fields in the struct have non-zero values This helps catch if a new field is added to LegacyOverrides but not included in our test fixture

(t *testing.T, o LegacyOverrides)

// ensureAllFieldsPopulated checks that all fields in the struct have non-zero values
// This helps catch if a new field is added to LegacyOverrides but not included in our test fixture
func ensureAllFieldsPopulated(t *testing.T, o LegacyOverrides) {
	v := reflect.ValueOf(o)
	t.Helper()

	// Get the type of the struct
	structType := v.Type()

	// Iterate through all fields
	for i := 0; i < v.NumField(); i++ {
		field := v.Field(i)
		fieldName := structType.Field(i).Name

		// Skip certain fields that can be zero in valid configs
		skip := []string{"IngestionArtificialDelay", "MetricsGeneratorSpanNameSanitization", "Extensions"}
		if slices.Contains(skip, fieldName) {
			continue
		}

		// For bool fields, we consider that they're explicitly set
		// regardless of whether they're true or false
		if field.Kind() == reflect.Bool {
			continue
		}

		assert.False(t, isZeroValue(field), "Field %s has not been populated in the test fixture - add a value for it", fieldName)
	}
}

// isZeroValue checks if a reflect.Value is the zero value for its type
func isZeroValue(v reflect.Value) bool {