First set of test for SchemaCompareDialog (#11444)

* Add a test for SchemaCompareDialog and update the product code with deferred promise

* Update test to verify that button clicked worked

* Addressed comments

* Updated verifyButtonsState to use should instead of console.log

extensions/schema-compare/src/test/schemaCompareDialog.test.ts

@@ -0,0 +1,69 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as should from 'should';
+import * as vscode from 'vscode';
+import * as TypeMoq from 'typemoq';
+import * as loc from '../localizedConstants';
+import 'mocha';
+import { SchemaCompareDialog } from './../dialogs/schemaCompareDialog';
+import { SchemaCompareMainWindow } from '../schemaCompareMainWindow';
+import { createContext, TestContext } from './testContext';
+import { setDacpacEndpointInfo } from './testUtils';
+import { SchemaCompareMainWindowTest } from './testSchemaCompareMainWindow';
+
+// Mock test data
+const mocksource: string = 'source.dacpac';
+const mocktarget: string = 'target.dacpac';
+
+let mockExtensionContext: TypeMoq.IMock<vscode.ExtensionContext>;
+let testContext: TestContext;
+
+before(function (): void {
+	testContext = createContext();
+});
+
+describe('SchemaCompareDialog.openDialog', function (): void {
+	before(() => {
+		mockExtensionContext = TypeMoq.Mock.ofType<vscode.ExtensionContext>();
+		mockExtensionContext.setup(x => x.extensionPath).returns(() => '');
+	});
+
+	it('Should be correct when created.', async function (): Promise<void> {
+		let schemaCompareResult = new SchemaCompareMainWindow(testContext.apiWrapper.object, undefined, mockExtensionContext.object);
+		let dialog = new SchemaCompareDialog(schemaCompareResult);
+		await dialog.openDialog();
+
+		should(dialog.dialog.title).equal(loc.SchemaCompareLabel);
+		should(dialog.dialog.okButton.label).equal(loc.OkButtonText);
+		should(dialog.dialog.okButton.enabled).equal(false); // Should be false when open
+	});
+
+	it('Simulate ok button- with both endpoints set to dacpac', async function (): Promise<void> {
+		let schemaCompareResult = new SchemaCompareMainWindowTest(testContext.apiWrapper.object, undefined, mockExtensionContext.object);
+		await schemaCompareResult.start(undefined);
+		schemaCompareResult.sourceEndpointInfo = setDacpacEndpointInfo(mocksource);
+		schemaCompareResult.targetEndpointInfo = setDacpacEndpointInfo(mocktarget);
+
+		let dialog = new SchemaCompareDialog(schemaCompareResult);
+		await dialog.openDialog();
+
+		await dialog.execute();
+
+		// Confirm that ok button got clicked
+		schemaCompareResult.verifyButtonsState( {
+			compareButtonState: true,
+			optionsButtonState: true,
+			switchButtonState: true,
+			openScmpButtonState: true,
+			saveScmpButtonState: true,
+			cancelCompareButtonState: false,
+			selectSourceButtonState: true,
+			selectTargetButtonState: true,
+			generateScriptButtonState: false,
+			applyButtonState: false
+		} );
+	});
+});