feat(linker): Allow configurable module prefixes and suffixes. (#11049)

modules/@angular/core/test/linker/system_ng_module_factory_loader_spec.ts

@@ -0,0 +1,49 @@
+/**
+ * @license
+ * Copyright Google Inc. All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.io/license
+ */
+
+import {Compiler, SystemJsNgModuleLoader} from '@angular/core';
+import {async, tick} from '@angular/core/testing';
+import {beforeEach, ddescribe, describe, expect, iit, it, xit} from '@angular/core/testing/testing_internal';
+
+function mockSystem(module: string, contents: any) {
+  return {
+    'import': (target: string) => {
+      expect(target).toBe(module);
+      return Promise.resolve(contents);
+    }
+  };
+}
+
+export function main() {
+  describe('SystemJsNgModuleLoader', () => {
+    it('loads a default factory by appending the factory suffix', async(() => {
+         let loader = new SystemJsNgModuleLoader(new Compiler());
+         loader._system = () => mockSystem('test.ngfactory', {'default': 'test module factory'});
+         loader.load('test').then(contents => { expect(contents).toBe('test module factory'); });
+       }));
+    it('loads a named factory by appending the factory suffix', async(() => {
+         let loader = new SystemJsNgModuleLoader(new Compiler());
+         loader._system = () =>
+             mockSystem('test.ngfactory', {'NamedNgFactory': 'test module factory'});
+         loader.load('test#Named').then(contents => {
+           expect(contents).toBe('test module factory');
+         });
+       }));
+    it('loads a named factory with a configured prefix and suffix', async(() => {
+         let loader = new SystemJsNgModuleLoader(new Compiler(), {
+           factoryPathPrefix: 'prefixed/',
+           factoryPathSuffix: '/suffixed',
+         });
+         loader._system = () =>
+             mockSystem('prefixed/test/suffixed', {'NamedNgFactory': 'test module factory'});
+         loader.load('test#Named').then(contents => {
+           expect(contents).toBe('test module factory');
+         });
+       }));
+  });
+};