Run tests against 'dotnet new' output instead of Yeoman output

Author: SteveSandersonMS

test/package.json

@@ -23,8 +23,7 @@
     "selenium-standalone": "^5.9.0",
     "tree-kill": "^1.1.0",
     "typescript": "^2.1.4",
-    "webdriverio": "^4.5.0",
-    "yo": "^1.8.5"
+    "webdriverio": "^4.5.0"
   },
   "devDependencies": {
     "wdio-junit-reporter": "^0.2.0",

test/templates/angular.spec.ts

@@ -1,21 +1,24 @@
 import * as fs from 'fs';
 import * as path from 'path';
+import * as rimraf from 'rimraf';
 import { expect } from 'chai';
-import { generateProjectSync } from './util/yeoman';
+import { generateProjectSync } from './util/dotnetnew';
 import { AspNetProcess, AspNetCoreEnviroment, defaultUrl, publishProjectSync } from './util/aspnet';
 import { getValue, getCssPropertyValue } from './util/webdriverio';
 
-// First, generate a new project using the locally-built generator-aspnetcore-spa
+// First, generate a new project using the locally-built templates package
 // Do this outside the Mocha fixture, otherwise Mocha will time out
 const appDir = path.resolve(__dirname, '../generated/angular');
 const publishedAppDir = path.resolve(appDir, './bin/Release/published');
+const publishedAppDllName = path.basename(appDir) + '.dll';
 if (!process.env.SKIP_PROJECT_GENERATION) {
-    generateProjectSync(appDir, {
-        framework: 'angular',
-        name: 'Test App',
-        tests: true
-    });
+    generateProjectSync(appDir, 'angular');
     publishProjectSync(appDir, publishedAppDir);
+
+    // Clear out any artifacts produced during publishing so they don't affect
+    // the dev-mode application
+    rimraf.sync(path.join(appDir, 'ClientApp/dist'));
+    rimraf.sync(path.join(appDir, 'wwwroot/dist'));
 }
 
 function testBasicNavigation() {
@@ -95,6 +98,6 @@ describe('Angular template: dev mode', () => {
 });
 
 describe('Angular template: production mode', () => {
-    AspNetProcess.RunInMochaContext(publishedAppDir, AspNetCoreEnviroment.production, 'TestApp.dll');
+    AspNetProcess.RunInMochaContext(publishedAppDir, AspNetCoreEnviroment.production, publishedAppDllName);
     testBasicNavigation();
 });

test/templates/util/dotnetnew.ts

@@ -0,0 +1,63 @@
+import * as childProcess from 'child_process';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as rimraf from 'rimraf';
+import * as mkdirp from 'mkdirp';
+
+const templatePackageName = 'Microsoft.DotNet.Web.Spa.ProjectTemplates';
+const templatePackageArtifactsDir = '../templates/package-builder/dist/artifacts';
+
+export function generateProjectSync(targetDir: string, templateName: string) {
+    installTemplatePackage(targetDir, templatePackageName, templateName);
+    executeDotNetNewTemplateSync(targetDir, templateName);
+    executeCommand('npm install', /* quiet */ false, targetDir);
+}
+
+function installTemplatePackage(targetDir: string, packageName: string, templateName: string) {
+    // First figure out which file is the latest one for this package
+    const packagePaths = fs.readdirSync(templatePackageArtifactsDir)
+        .filter(name => name.startsWith(templatePackageName + '.'))
+        .filter(name => path.extname(name) === '.nupkg')
+        .map(name => path.join(templatePackageArtifactsDir, name))
+        .sort();
+    const latestPackagePath = packagePaths[packagePaths.length - 1];
+
+    if (!latestPackagePath) {
+        throw new Error(`Could not find ${packageName}.*.nupkg in directory ${templatePackageArtifactsDir}`);
+    }
+
+    // Uninstall any older version so we can be sure the new one did install
+    try {
+        console.log(`Uninstalling any prior version of ${packageName}...`);
+        executeCommand(`dotnet new --uninstall ${packageName}`, /* quiet */ true);
+    } catch (ex) {
+        // Either no prior version existed, or we failed to uninstall. We'll determine
+        // which it was next. 
+    }
+    try {
+        console.log(`Verifying that no prior version of ${packageName} is still installed...`);
+        executeDotNetNewTemplateSync(targetDir, templateName, /* quiet */ true);
+        throw new Error(`Failed to uninstall template package ${packageName}. The template '${templateName}' was not removed as expected.`);
+    } catch (ex) {
+        // Looks like we successfully uninstalled it
+        console.log(`Confirmed that no prior version of ${templatePackageName} remains installed.`);
+    }
+
+    // Now install the new version
+    console.log(`Installing new templates package at ${latestPackagePath}...`);
+    executeCommand(`dotnet new --install ${latestPackagePath}`, /* quiet */ true);
+}
+
+function executeDotNetNewTemplateSync(targetDir: string, templateName: string, quiet?: boolean) {
+    rimraf.sync(targetDir);
+    mkdirp.sync(targetDir);
+    executeCommand(`dotnet new ${templateName}`, quiet, targetDir);
+}
+
+function executeCommand(command: string, quiet?: boolean, cwd?: string) {
+    childProcess.execSync(command, {
+        cwd,
+        stdio: quiet ? null : 'inherit',
+        encoding: 'utf8'
+    });
+}