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

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'
+    });
+}

test/templates/util/yeoman.ts

@@ -1,52 +0,0 @@
-import * as childProcess from 'child_process';
-import * as path from 'path';
-import * as rimraf from 'rimraf';
-import * as mkdirp from 'mkdirp';
-
-const generatorDirRelative = '../templates/package-builder/dist/generator-aspnetcore-spa';
-const yoPackageDirAbsolute = path.resolve('./node_modules/yo');
-
-export interface GeneratorOptions {
-    framework: string;
-    name: string;
-    tests?: boolean;
-}
-
-export function generateProjectSync(targetDir: string, generatorOptions: GeneratorOptions) {
-    const generatorDirAbsolute = path.resolve(generatorDirRelative);
-    console.log(`Running NPM install to prepare Yeoman generator at ${ generatorDirAbsolute }`);
-    childProcess.execSync(`npm install`, { stdio: 'inherit', cwd: generatorDirAbsolute });
-
-    console.log(`Ensuring empty output directory at ${ targetDir }`);
-    rimraf.sync(targetDir);
-    mkdirp.sync(targetDir);
-
-    const yoExecutableAbsolute = findYeomanCliScript();
-    console.log(`Will invoke Yeoman at ${ yoExecutableAbsolute } to generate application in ${ targetDir } with options:`);
-    console.log(JSON.stringify(generatorOptions, null, 2));
-    const command = `node "${ yoExecutableAbsolute }" "${ path.resolve(generatorDirAbsolute, './app/index.js') }"`;
-    const args = makeYeomanCommandLineArgs(generatorOptions);
-    childProcess.execSync(`${ command } ${ args }`, {
-        stdio: 'inherit',
-        cwd: targetDir
-    });
-}
-
-function findYeomanCliScript() {
-    // On Windows, you can't invoke ./node_modules/.bin/yo from the shell for some reason.
-    // So instead, we'll locate the CLI entrypoint that yeoman would expose if it was installed globally.
-    const yeomanPackageJsonPath = path.join(yoPackageDirAbsolute, './package.json');
-    const yeomanPackageJson = require(yeomanPackageJsonPath);
-    const yeomanCliScriptRelative = yeomanPackageJson.bin.yo;
-    if (!yeomanCliScriptRelative) {
-        throw new Error(`Could not find Yeoman CLI script. Looked for a bin/yo entry in ${ yeomanPackageJsonPath }`);
-    }
-
-    return path.join(yoPackageDirAbsolute, yeomanCliScriptRelative);
-}
-
-function makeYeomanCommandLineArgs(generatorOptions: GeneratorOptions) {
-    return Object.getOwnPropertyNames(generatorOptions)
-        .map(key => `--${ key }="${ generatorOptions[key] }"`)
-        .join(' ');
-}