refactor(core): remove withBody from public testing API (#25171)

PR Close #25171

packages/core/testing/src/render3.ts

@@ -1,123 +0,0 @@
-/**
- * @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
- */
-
-/**
-* Wraps a function in a new function which sets up document and HTML for running a test.
-*
-* This function is intended to wrap an existing testing function. The wrapper
-* adds HTML to the `body` element of the `document` and subsequently tears it down.
-*
-* This function is intended to be used with `async await` and `Promise`s. If the wrapped
-* function returns a promise (or is `async`) then the teardown is delayed until that `Promise`
-* is resolved.
-*
-* On `node` this function detects if `document` is present and if not it will create one by
-* loading `domino` and installing it.
-*
-* Example:
-*
-* ```
-* describe('something', () => {
-*   it('should do something', withBody('<my-app></my-app>', async () => {
-*     const myApp = renderComponent(MyApp);
-*     await whenRendered(myApp);
-*     expect(getRenderedText(myApp)).toEqual('Hello World!');
-*   }));
-* });
-* ```
-*
-* @param html HTML which should be inserted into `body` of the `document`.
-* @param blockFn function to wrap. The function can return promise or be `async`.
-* @experimental
-*/
-export function withBody<T extends Function>(html: string, blockFn: T): T {
-  return function(done: DoneFn) {
-    ensureDocument();
-    if (typeof blockFn === 'function') {
-      document.body.innerHTML = html;
-      const blockReturn = blockFn();
-      if (blockReturn instanceof Promise) {
-        blockReturn.then(done, done.fail);
-      } else {
-        done();
-      }
-    }
-  } as any;
-}
-
-let savedDocument: Document|undefined = undefined;
-let savedRequestAnimationFrame: ((callback: FrameRequestCallback) => number)|undefined = undefined;
-let savedNode: typeof Node|undefined = undefined;
-let requestAnimationFrameCount = 0;
-
-/**
- * System.js uses regexp to look for `require` statements. `domino` has to be
- * extracted into a constant so that the regexp in the System.js does not match
- * and does not try to load domino in the browser.
- */
-const domino: any = (function(domino) {
-  if (typeof global == 'object' && global.process && typeof require == 'function') {
-    try {
-      return require(domino);
-    } catch (e) {
-      // It is possible that we don't have domino available in which case just give up.
-    }
-  }
-  // Seems like we don't have domino, give up.
-  return null;
-})('domino');
-
-/**
- * Ensure that global has `Document` if we are in node.js
- * @experimental
- */
-export function ensureDocument(): void {
-  if (domino) {
-    // we are in node.js.
-    const window = domino.createWindow('', 'http://localhost');
-    savedDocument = (global as any).document;
-    (global as any).window = window;
-    (global as any).document = window.document;
-    // Trick to avoid Event patching from
-    // https://github.com/angular/angular/blob/7cf5e95ac9f0f2648beebf0d5bd9056b79946970/packages/platform-browser/src/dom/events/dom_events.ts#L112-L132
-    // It fails with Domino with TypeError: Cannot assign to read only property
-    // 'stopImmediatePropagation' of object '#<Event>'
-    (global as any).Event = null;
-    savedNode = (global as any).Node;
-    (global as any).Node = domino.impl.Node;
-
-    savedRequestAnimationFrame = (global as any).requestAnimationFrame;
-    (global as any).requestAnimationFrame = function(cb: FrameRequestCallback): number {
-      setImmediate(cb);
-      return requestAnimationFrameCount++;
-    };
-  }
-}
-
-/**
- * Restore the state of `Document` between tests.
- * @experimental
- */
-export function cleanupDocument(): void {
-  if (savedDocument) {
-    (global as any).document = savedDocument;
-    (global as any).window = undefined;
-    savedDocument = undefined;
-  }
-  if (savedNode) {
-    (global as any).Node = savedNode;
-    savedNode = undefined;
-  }
-  if (savedRequestAnimationFrame) {
-    (global as any).requestAnimationFrame = savedRequestAnimationFrame;
-    savedRequestAnimationFrame = undefined;
-  }
-}
-
-if (typeof beforeEach == 'function') beforeEach(ensureDocument);
-if (typeof afterEach == 'function') beforeEach(cleanupDocument);

packages/core/testing/src/testing.ts

@@ -19,4 +19,3 @@ export * from './test_bed';
 export * from './before_each';
 export * from './metadata_override';
 export * from './private_export_testing';
-export * from './render3';