feat: add testing of nglibs

src/bazel/karma.conf.js

@@ -3,8 +3,21 @@
  *
  * Instead of running karma outside of bazel against the bin_dir directory, we will run it as part of the bazel process.
  */
+import * as path from "path";
+import * as fs from "fs";
+
 module.exports = function(config) {
+  const binDir = config.opts.bin_dir.startsWith('/') ? config.opts.bin_dir : path.join(process.cwd(), config.opts.bin_dir);
+  const apps = JSON.parse(fs.readFileSync(path.join(process.cwd(), '.angular-cli.json'), 'UTF-8')).apps;
+  const alias = apps.reduce((acc, curr) => {
+    acc[curr.name] = path.join(binDir, path.dirname(curr.root));
+    return acc;
+  }, {});
+
   const webpackConfig = {
+    resolve: {
+      alias
+    },
     resolveLoader: {
       alias: {
         "template-loader": '@nrwl/nx/bazel/template-loader'

src/schematics/nglib/files/__directory__/__fileName__/src/test.js__tmpl__

@@ -0,0 +1,33 @@
+// This file is required by karma.conf.js and loads recursively all the .spec and framework files
+
+require('core-js/es6/reflect');
+require('core-js/es7/reflect');
+require('zone.js/dist/zone');
+
+require('zone.js/dist/long-stack-trace-zone');
+require('zone.js/dist/proxy.js');
+require('zone.js/dist/sync-test');
+require('zone.js/dist/jasmine-patch');
+require('zone.js/dist/async-test');
+require('zone.js/dist/fake-async-test');
+
+var testing = require('@angular/core/testing');
+var dynamic = require('@angular/platform-browser-dynamic/testing');
+
+var BrowserDynamicTestingModule = dynamic.BrowserDynamicTestingModule;
+var platformBrowserDynamicTesting = dynamic.platformBrowserDynamicTesting;
+
+// Prevent Karma from running prematurely.
+__karma__.loaded = function () {};
+
+// First, initialize the Angular testing environment.
+testing.getTestBed().initTestEnvironment(
+  BrowserDynamicTestingModule,
+  platformBrowserDynamicTesting()
+);
+
+const context = require.context('./', true, /\.spec\.js$/);
+// And load the modules.
+context.keys().map(context);
+// Finally, start Karma to run the tests.
+__karma__.start();