should allow one default datasource per organisation using provisioning

pkg/services/provisioning/datasources/config_reader_test.go

@@ -19,6 +19,7 @@ var (
 	allProperties                   = "testdata/all-properties"
 	versionZero                     = "testdata/version-0"
 	brokenYaml                      = "testdata/broken-yaml"
+	multipleOrgsWithDefault         = "testdata/multiple-org-default"
 
 	fakeRepo *fakeRepository
 )
@@ -73,6 +74,19 @@ func TestDatasourceAsConfig(t *testing.T) {
 			})
 		})
 
+		Convey("Multiple datasources in different organizations with is_default in each organization", func() {
+			dc := newDatasourceProvisioner(logger)
+			err := dc.applyChanges(multipleOrgsWithDefault)
+			Convey("should not raise error", func() {
+				So(err, ShouldBeNil)
+				So(len(fakeRepo.inserted), ShouldEqual, 4)
+				So(fakeRepo.inserted[0].IsDefault, ShouldBeTrue)
+				So(fakeRepo.inserted[0].OrgId, ShouldEqual, 1)
+				So(fakeRepo.inserted[2].IsDefault, ShouldBeTrue)
+				So(fakeRepo.inserted[2].OrgId, ShouldEqual, 2)
+			})
+		})
+
 		Convey("Two configured datasource and purge others ", func() {
 			Convey("two other datasources in database", func() {
 				fakeRepo.loadAll = []*models.DataSource{