Datasources: Add service function to get by group, name, and namespace (#113066)

pkg/services/datasources/service/datasource_test.go

@@ -17,6 +17,7 @@ import (
 	"github.com/stretchr/testify/require"
 	"gopkg.in/ini.v1"
 
+	"github.com/grafana/authlib/types"
 	"github.com/grafana/grafana-plugin-sdk-go/backend"
 	sdkhttpclient "github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
 	"github.com/grafana/grafana/pkg/components/simplejson"
@@ -63,6 +64,19 @@ func (d *dataSourceMockRetriever) GetDataSource(ctx context.Context, query *data
 	return nil, datasources.ErrDataSourceNotFound
 }
 
+func (d *dataSourceMockRetriever) GetDataSourceInNamespace(ctx context.Context, namespace, name, group string) (*datasources.DataSource, error) {
+	ns, err := types.ParseNamespace(namespace)
+	if err != nil {
+		return nil, err
+	}
+	for _, dataSource := range d.res {
+		if name == dataSource.UID && ns.OrgID == dataSource.OrgID && group == dataSource.Type {
+			return dataSource, nil
+		}
+	}
+	return nil, datasources.ErrDataSourceNotFound
+}
+
 func TestIntegrationService_AddDataSource(t *testing.T) {
 	testutil.SkipIntegrationTestInShortMode(t)