Add AsyncServerTree (#11838)

* wip

* Fixes

* More fixes

* more fixes

* Disable when preview features disabled

* remove unused imports

* Handle promises

* PR feedback

* Single default ServerGroup color value

src/sql/workbench/services/objectExplorer/test/browser/asyncServerTreeDragAndDrop.test.ts

@@ -0,0 +1,106 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { ConnectionProfile } from 'sql/platform/connection/common/connectionProfile';
+import { ConnectionProfileGroup } from 'sql/platform/connection/common/connectionProfileGroup';
+import { ConnectionManagementService } from 'sql/workbench/services/connection/browser/connectionManagementService';
+import { TestCapabilitiesService } from 'sql/platform/capabilities/test/common/testCapabilitiesService';
+import { IStorageService } from 'vs/platform/storage/common/storage';
+import { TestStorageService } from 'vs/workbench/test/common/workbenchTestServices';
+import { TestInstantiationService } from 'vs/platform/instantiation/test/common/instantiationServiceMock';
+import { ConnectionProviderProperties } from 'sql/platform/capabilities/common/capabilitiesService';
+import { IConnectionProfile } from 'sql/platform/connection/common/interfaces';
+import { mssqlProviderName } from 'sql/platform/connection/common/constants';
+import { TreeNode } from 'sql/workbench/services/objectExplorer/common/treeNode';
+import * as TypeMoq from 'typemoq';
+import * as assert from 'assert';
+import { AsyncServerTreeDragAndDrop } from 'sql/workbench/services/objectExplorer/browser/asyncServerTreeDragAndDrop';
+
+
+
+suite('AsyncServerTreeDragAndDrop', () => {
+	let serverTreeDragAndDrop: AsyncServerTreeDragAndDrop;
+	let msSQLCapabilities: ConnectionProviderProperties;
+	let capabilitiesService: TestCapabilitiesService;
+
+	let iConnectionProfileId: IConnectionProfile = {
+		connectionName: 'new name',
+		serverName: 'new server',
+		databaseName: 'database',
+		userName: 'user',
+		password: 'password',
+		authenticationType: '',
+		savePassword: true,
+		groupFullName: 'g2/g2-2',
+		groupId: 'group id',
+		getOptionsKey: undefined!,
+		matches: undefined!,
+		providerName: mssqlProviderName,
+		options: {},
+		saveProfile: true,
+		id: 'd936bb32-422b-49c3-963f-ae9532d63dc5'
+	};
+
+	let connectionProfile = new ConnectionProfile(capabilitiesService, iConnectionProfileId);
+	let connectionProfileArray = [connectionProfile];
+	let connectionProfileGroupId = new ConnectionProfileGroup('name', undefined, 'd936bb32-422b-49c3-963f-ae9532d63dc5', 'color', 'description');
+	let connectionProfileGroupArray = [connectionProfileGroupId];
+	let treeNode = new TreeNode('Column', 'label', undefined, undefined, undefined, undefined, undefined, undefined, undefined, undefined);
+	let treeNodeArray = [treeNode];
+
+	setup(() => {
+		let instantiationService = new TestInstantiationService();
+		instantiationService.stub(IStorageService, new TestStorageService());
+		let mockConnectionManagementService = TypeMoq.Mock.ofType(ConnectionManagementService, TypeMoq.MockBehavior.Strict,
+			undefined, //connection store
+			undefined, // connectionstatusmanager
+			undefined, // connectiondialog service
+			instantiationService, // instantiation service
+			undefined, // editor service
+			undefined, // telemetryservice
+			undefined, // configuration service
+			new TestCapabilitiesService(), // capabilities service
+		);
+		serverTreeDragAndDrop = new AsyncServerTreeDragAndDrop(mockConnectionManagementService.object);
+
+		capabilitiesService = new TestCapabilitiesService();
+		capabilitiesService.capabilities[mssqlProviderName] = { connection: msSQLCapabilities };
+	});
+
+
+	test('create new serverTreeDragAndDrop object should create serverTreeDragAndDrop object successfully', async () => {
+
+		assert.equal(serverTreeDragAndDrop !== null || serverTreeDragAndDrop !== undefined, true);
+	});
+
+	test('able to get DragURI', async () => {
+		let uri = serverTreeDragAndDrop.getDragURI(connectionProfile);
+		assert.equal(connectionProfile.id, uri);
+
+		let uriGroup = serverTreeDragAndDrop.getDragURI(connectionProfileGroupId);
+		assert.equal(connectionProfileGroupId.id, uriGroup);
+
+		let uriUndefined = serverTreeDragAndDrop.getDragURI(undefined);
+		assert.equal(null, uriUndefined);
+
+	});
+
+	test('able to get DragLabel', async () => {
+		let label = serverTreeDragAndDrop.getDragLabel(connectionProfileArray);
+		assert.equal(connectionProfileArray[0].serverName, label);
+
+		let labelGroup = serverTreeDragAndDrop.getDragLabel(connectionProfileGroupArray);
+		assert.equal(connectionProfileGroupArray[0].name, labelGroup);
+
+		let labelTreeNode = serverTreeDragAndDrop.getDragLabel(treeNodeArray);
+		assert.equal(treeNodeArray[0].label, labelTreeNode);
+
+		let labelUndefined = serverTreeDragAndDrop.getDragLabel(undefined);
+		assert.equal(undefined, labelUndefined);
+
+	});
+
+
+});