feat(ivy): expose a series of debug console tools (#26705)

PR Close #26705

packages/core/test/render3/dev_mode_publish_spec.ts

@@ -0,0 +1,43 @@
+/**
+ * @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 {getComponent, getDirectives, getHostComponent, getInjector, getRootComponents} from '../../src/render3/discovery_utils';
+import {GLOBAL_PUBLISH_EXPANDO_KEY, GlobalDevModeContainer, publishDefaultGlobalUtils, publishGlobalUtil} from '../../src/render3/publish_global_util';
+import {global} from '../../src/util';
+
+describe('dev mode utils', () => {
+  describe('devModePublish', () => {
+    it('should publish a function to the window', () => {
+      const w = global as any as GlobalDevModeContainer;
+      expect(w[GLOBAL_PUBLISH_EXPANDO_KEY]['foo']).toBeFalsy();
+      const fooFn = () => {};
+      publishGlobalUtil('foo', fooFn);
+      expect(w[GLOBAL_PUBLISH_EXPANDO_KEY]['foo']).toBe(fooFn);
+    });
+  });
+
+  describe('publishDefaultGlobalUtils', () => {
+    beforeEach(() => publishDefaultGlobalUtils());
+
+    it('should publish getComponent', () => { assertPublished('getComponent', getComponent); });
+
+    it('should publish getRootComponents',
+       () => { assertPublished('getRootComponents', getRootComponents); });
+
+    it('should publish getDirectives', () => { assertPublished('getDirectives', getDirectives); });
+
+    it('should publish getHostComponent',
+       () => { assertPublished('getHostComponent', getHostComponent); });
+
+    it('should publish getInjector', () => { assertPublished('getInjector', getInjector); });
+  });
+});
+
+function assertPublished(name: string, value: {}) {
+  const w = global as any as GlobalDevModeContainer;
+  expect(w[GLOBAL_PUBLISH_EXPANDO_KEY][name]).toBe(value);
+}