Added Unit tests (Azure#15)

* Added unit tests for Azure PowerShell

* Added unit tests

* changes in utils

* removed babel

* changed variable name of enable-PSSession

* refactor

* added ci.yml

* changes in utils test

Author: aksm-ms

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+jobs:
+  build_test_job:
+    name: 'Build and test job'
+    runs-on: ${{ matrix.os }}
+    strategy:
+        matrix:
+          os: [windows-latest, ubuntu-latest, macos-latest]
+    steps:
+
+    - name: 'Checking out repo code'
+      uses: actions/checkout@v2
+
+    - name: 'Validate build'
+      run: |
+        npm install
+        npm run build
+        
+    - name: 'Run L0 tests'
+      run: |
+        npm run test

__tests__/PowerShell/ServicePrinicipalLogin.test.ts

@@ -0,0 +1,39 @@
+import { ServicePrincipalLogin } from '../../src/PowerShell/ServicePrincipalLogin';
+
+jest.mock('../../src/PowerShell/Utilities/Utils');
+jest.mock('../../src/PowerShell/Utilities/PowerShellToolRunner');
+let spnlogin: ServicePrincipalLogin;
+
+beforeAll(() => {
+    spnlogin = new ServicePrincipalLogin("servicePrincipalID", "servicePrinicipalkey", "tenantId", "subscriptionId");
+});
+
+afterEach(() => {
+    jest.restoreAllMocks();
+});
+
+describe('Testing initialize', () => {
+    let initializeSpy;
+    
+    beforeEach(() => {
+        initializeSpy = jest.spyOn(spnlogin, 'initialize');
+    });
+    test('ServicePrincipalLogin initialize should pass', async () => {
+        await spnlogin.initialize();
+        expect(initializeSpy).toHaveBeenCalled();
+    });
+});
+
+describe('Testing login', () => {
+    let loginSpy;
+    
+    beforeEach(() => {
+        loginSpy = jest.spyOn(spnlogin, 'login');
+    });
+    test('ServicePrincipal login should pass', async () => {
+        loginSpy.mockImplementationOnce(() => Promise.resolve(
+            console.log('Azure PowerShell session successfully initialized')));
+        await spnlogin.login();
+        expect(loginSpy).toHaveBeenCalled();
+    });
+});

__tests__/PowerShell/Utilities/Utils.test.ts

@@ -0,0 +1,48 @@
+import Utils from '../../../src/PowerShell/Utilities/Utils';
+
+const version: string = '9.0.0';
+const moduleName: string = 'az';
+
+afterEach(() => {
+    jest.restoreAllMocks();
+});
+
+describe('Testing isValidVersion', () => {
+    const validVersion: string = '1.2.4';
+    const invalidVersion: string = 'a.bcd';
+
+    test('isValidVersion should be true', () => {
+        expect(Utils.isValidVersion(validVersion)).toBeTruthy();
+    });
+    test('isValidVersion should be false', () => {
+        expect(Utils.isValidVersion(invalidVersion)).toBeFalsy();
+    });
+});
+
+describe('Testing setPSModulePath', () => {
+    test('PSModulepath with azPSVersion non-empty', () => {
+        if(!process.env.PSModulePath) {
+            process.env.PSModulePath = process.env.PSModulePath + "modulePath";
+        }
+        Utils.setPSModulePath(version);
+        expect(process.env.PSModulepath).toContain(version);
+    });
+    test('PSModulePath with azPSVersion empty', () => {
+        const currPSModulePath = process.env.PSModulepath;
+        Utils.setPSModulePath();
+        expect(process.env.PSModulePath).not.toEqual(currPSModulePath);
+    });
+});
+
+describe('Testing getLatestModule', () => {
+    let getLatestModuleSpy;
+
+    beforeEach(() => {
+        getLatestModuleSpy = jest.spyOn(Utils, 'getLatestModule');
+    });
+    test('getLatestModule should pass', async () => {
+        getLatestModuleSpy.mockImplementationOnce((_moduleName: string) => Promise.resolve(version));
+        await Utils.getLatestModule(moduleName);
+        expect(getLatestModuleSpy).toHaveBeenCalled();
+    });
+});

action.yml

@@ -5,7 +5,7 @@ inputs:
   creds:
     description: 'Paste output of `az ad sp create-for-rbac` as value of secret variable: AZURE_CREDENTIALS'
     required: true
-  enable-PSSession: 
+  enable-AzPSSession: 
     description: 'Set this value to true to enable Azure PowerShell Login in addition to Az CLI login'
     required: false
     default: false

jest.config.js

@@ -0,0 +1,14 @@
+// For a detailed explanation regarding each configuration property, visit:
+// https://jestjs.io/docs/en/configuration.html
+
+module.exports = {
+  clearMocks: true,
+  moduleFileExtensions: ['js', 'ts'],
+  testEnvironment: 'node',
+  testMatch: ['**/*.test.ts'],
+  testRunner: 'jest-circus/runner',
+  transform: {
+    '^.+\\.ts$': 'ts-jest'
+  },
+  verbose: true
+};

lib/PowerShell/Utilities/PowerShellToolRunner.js

@@ -31,10 +31,5 @@ class PowerShellToolRunner {
             yield exec.exec(`${PowerShellToolRunner.psPath} -Command`, [scriptBlock], options);
         });
     }
-    static executePowerShellCommand(command, options = {}) {
-        return __awaiter(this, void 0, void 0, function* () {
-            yield exec.exec(`"${PowerShellToolRunner.psPath}" -Command "${command}"`, [], options);
-        });
-    }
 }
 exports.default = PowerShellToolRunner;

lib/PowerShell/Utilities/Utils.js

@@ -26,12 +26,9 @@ const PowerShellToolRunner_1 = __importDefault(require("./PowerShellToolRunner")
 class Utils {
     /**
      * Add the folder path where Az modules are present to PSModulePath based on runner
-     *
      * @param azPSVersion
-     *
      * If azPSVersion is empty, folder path in which all Az modules are present are set
      * If azPSVersion is not empty, folder path of exact Az module version is set
-     *
      */
     static setPSModulePath(azPSVersion = "") {
         let modulePath = "";

lib/main.js

@@ -44,15 +44,15 @@ function main() {
             let servicePrincipalKey = secrets.getSecret("$.clientSecret", true);
             let tenantId = secrets.getSecret("$.tenantId", false);
             let subscriptionId = secrets.getSecret("$.subscriptionId", false);
-            const enablePSSession = core.getInput('enable-PSSession').toLowerCase() === "true";
+            const enableAzPSSession = core.getInput('enable-AzPSSession').toLowerCase() === "true";
             if (!servicePrincipalId || !servicePrincipalKey || !tenantId || !subscriptionId) {
                 throw new Error("Not all values are present in the creds object. Ensure clientId, clientSecret, tenantId and subscriptionId are supplied.");
             }
             // Attempting Az cli login
             yield executeAzCliCommand(`login --service-principal -u "${servicePrincipalId}" -p "${servicePrincipalKey}" --tenant "${tenantId}"`);
             yield executeAzCliCommand(`account set --subscription "${subscriptionId}"`);
             isAzCLISuccess = true;
-            if (enablePSSession) {
+            if (enableAzPSSession) {
                 // Attempting Az PS login
                 console.log(`Running Azure PS Login`);
                 const spnlogin = new ServicePrincipalLogin_1.ServicePrincipalLogin(servicePrincipalId, servicePrincipalKey, tenantId, subscriptionId);