test: add e2e tests

Author: LeonSilva15

test/e2e/e2e.test.ts

@@ -0,0 +1,69 @@
+import fs from 'node:fs';
+import {
+    afterEach,
+    beforeAll,
+    describe,
+    expect,
+    it
+} from 'vitest';
+
+import { CLI } from './cli.js';
+
+const NEW_APP_PATH = 'generated/test-db-app';
+const removeFolder = ( dirPath: string ) => {
+    if ( fs.existsSync( dirPath ) ) {
+        fs.rmSync( dirPath, { recursive: true } );
+    }
+};
+
+describe( 'e2e tests', () => {
+    // Cleanup previous test runs
+    beforeAll( () => {
+        removeFolder( NEW_APP_PATH );
+    } );
+
+    afterEach( () => {
+        removeFolder( NEW_APP_PATH );
+    } );
+
+    it( 'should display the help menu', async() => {
+        const { stdout } = await CLI.get( [ '--help' ] );
+
+        expect( stdout ).toContain( 'USAGE' );
+        expect( stdout ).toContain( 'ARGUMENTS' );
+        expect( stdout ).toContain( 'FLAGS' );
+        expect( stdout ).toContain( 'DESCRIPTION' );
+        expect( stdout ).toContain( 'EXAMPLES' );
+    } );
+
+    it( 'should request the application\'s name', async() => {
+        const { stdout } = await CLI.get( [], true );
+
+        expect( stdout ).toContain( 'application\'s name' );
+    } );
+
+    it( 'should keep asking for application\'s name when none has been provided', async() => {
+        const cli = new CLI();
+        const { stdout } = await cli.userInput( [ '\n', '\n', '\n' ] );
+
+        expect( stdout ).toContain( 'application\'s name' );
+    } );
+
+    it( 'should scaffold the project using flags', async() => {
+        const cli = new CLI( [
+            NEW_APP_PATH,
+            '--template=node-vanilla',
+            '--connection-type=basic',
+            '--db-hostname=localhost',
+            '--db-port=80',
+            '--db-protocol=tcp',
+            '--db-service-type=sid',
+            '--db-sid=testSid',
+            '--db-username=testUser'
+        ] );
+        const { stdout } = await cli.userInput( [ 'dummyPassword\n' ] );
+
+        expect( fs.existsSync( NEW_APP_PATH ) ).toBeTruthy();
+        expect( stdout ).toMatch( /added \d{1,5} packages/ );
+    } );
+} );