Add functional test for version decouple (#1412) (#1413)

Signed-off-by: Yuanqi(Ella) Zhu <[email protected]>
(cherry picked from commit fe27b02)

Co-authored-by: Yuanqi(Ella) Zhu <[email protected]>

cypress/integration/core-opensearch-dashboards/opensearch-dashboards/datasource-management-plugin/5_version_decouple.spec.js

@@ -0,0 +1,44 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+if (Cypress.env('DATASOURCE_MANAGEMENT_ENABLED')) {
+  describe('Create datasources', () => {
+    before(() => {
+      // Clean up before creating new data sources for testing
+      cy.deleteAllDataSources();
+      cy.createDataSourceNoAuthWithTitle('ds_1');
+      cy.wait(6000);
+    });
+
+    after(() => {
+      // Clean up after all test are run
+      cy.deleteAllDataSources();
+      // remove the default data source
+      cy.setAdvancedSetting({
+        defaultDataSource: '',
+      });
+    });
+
+    describe('Check datasource contains version decouple related information', () => {
+      it('check installed plugins and data source version information is showed', () => {
+        cy.request({
+          method: 'GET',
+          url: '/api/saved_objects/_find?type=data-source',
+        }).then((response) => {
+          const savedObjects = response.body.saved_objects;
+          expect(
+            savedObjects,
+            'Data sources should exist'
+          ).to.have.length.greaterThan(0);
+
+          const dataSource = savedObjects[0];
+          const { attributes } = dataSource;
+          expect(attributes).to.have.property('dataSourceVersion');
+          expect(attributes).to.have.property('installedPlugins');
+        });
+      });
+    });
+  });
+}