Adding a few tests for Add SQL binding (#17079)

* initial changes

* add a couple more tests

extensions/sql-database-projects/src/test/packageHelper.test.ts

@@ -0,0 +1,61 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 os from 'os';
+import * as vscode from 'vscode';
+import * as sinon from 'sinon';
+import * as constants from '../common/constants';
+import * as azureFunctionUtils from '../common/azureFunctionsUtils';
+import { PackageHelper } from '../tools/packageHelper';
+import { createContext, TestContext } from './testContext';
+
+let testContext: TestContext;
+let packageHelper: PackageHelper;
+
+describe('PackageHelper tests', function (): void {
+	beforeEach(function (): void {
+		testContext = createContext();
+		packageHelper = new PackageHelper(testContext.outputChannel);
+	});
+
+	afterEach(function (): void {
+		sinon.restore();
+	});
+
+	it('Should construct correct add Package Arguments', function (): void {
+		const packageHelper = new PackageHelper( vscode.window.createOutputChannel('db project test'));
+		const projectPath = 'dummy\\project\\path.csproj';
+		const result = packageHelper.constructAddPackageArguments(projectPath, constants.sqlExtensionPackageName);
+
+		if (os.platform() === 'win32') {
+			should(result).equal(` add "dummy\\\\project\\\\path.csproj" package ${constants.sqlExtensionPackageName} --prerelease`);
+		}
+		else {
+			should(result).equal(` add "dummy/project/path.csproj" package ${constants.sqlExtensionPackageName} --prerelease`);
+		}
+	});
+
+	it('Should construct correct add Package Arguments with version', function (): void {
+		const packageHelper = new PackageHelper( vscode.window.createOutputChannel('db project test'));
+		const projectPath = 'dummy\\project\\path.csproj';
+		const result = packageHelper.constructAddPackageArguments(projectPath, constants.sqlExtensionPackageName, constants.VersionNumber);
+
+		if (os.platform() === 'win32') {
+			should(result).equal(` add "dummy\\\\project\\\\path.csproj" package ${constants.sqlExtensionPackageName} -v ${constants.VersionNumber}`);
+		}
+		else {
+			should(result).equal(` add "dummy/project/path.csproj" package ${constants.sqlExtensionPackageName} -v ${constants.VersionNumber}`);
+		}
+	});
+
+	it('Should show info message to add sql bindings package if project is not found', async function (): Promise<void> {
+		sinon.stub(azureFunctionUtils, 'getAFProjectContainingFile').resolves(undefined);
+		const spy = sinon.spy(vscode.window, 'showInformationMessage');
+
+		await packageHelper.addPackageToAFProjectContainingFile('', constants.sqlExtensionPackageName);
+		should(spy.calledOnce).be.true('showInformationMessage should have been called exactly once');
+	});
+});