test: Break 'page.spec.js' to smaller files (#2218)

This patch breaks huge `page.spec.js` into a bunch of smaller files.

test/jshandle.spec.js

@@ -0,0 +1,116 @@
+/**
+ * Copyright 2018 Google Inc. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+module.exports.addTests = function({testRunner, expect}) {
+  const {describe, xdescribe, fdescribe} = testRunner;
+  const {it, fit, xit} = testRunner;
+  const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
+
+  describe('JSHandle.getProperty', function() {
+    it('should work', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => ({
+        one: 1,
+        two: 2,
+        three: 3
+      }));
+      const twoHandle = await aHandle.getProperty('two');
+      expect(await twoHandle.jsonValue()).toEqual(2);
+    });
+  });
+
+  describe('JSHandle.jsonValue', function() {
+    it('should work', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => ({foo: 'bar'}));
+      const json = await aHandle.jsonValue();
+      expect(json).toEqual({foo: 'bar'});
+    });
+    it('should not work with dates', async({page, server}) => {
+      const dateHandle = await page.evaluateHandle(() => new Date('2017-09-26T00:00:00.000Z'));
+      const json = await dateHandle.jsonValue();
+      expect(json).toEqual({});
+    });
+    it('should throw for circular objects', async({page, server}) => {
+      const windowHandle = await page.evaluateHandle('window');
+      let error = null;
+      await windowHandle.jsonValue().catch(e => error = e);
+      expect(error.message).toContain('Object reference chain is too long');
+    });
+  });
+
+  describe('JSHandle.getProperties', function() {
+    it('should work', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => ({
+        foo: 'bar'
+      }));
+      const properties = await aHandle.getProperties();
+      const foo = properties.get('foo');
+      expect(foo).toBeTruthy();
+      expect(await foo.jsonValue()).toBe('bar');
+    });
+    it('should return even non-own properties', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => {
+        class A {
+          constructor() {
+            this.a = '1';
+          }
+        }
+        class B extends A {
+          constructor() {
+            super();
+            this.b = '2';
+          }
+        }
+        return new B();
+      });
+      const properties = await aHandle.getProperties();
+      expect(await properties.get('a').jsonValue()).toBe('1');
+      expect(await properties.get('b').jsonValue()).toBe('2');
+    });
+  });
+
+  describe('JSHandle.asElement', function() {
+    it('should work', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => document.body);
+      const element = aHandle.asElement();
+      expect(element).toBeTruthy();
+    });
+    it('should return null for non-elements', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => 2);
+      const element = aHandle.asElement();
+      expect(element).toBeFalsy();
+    });
+    it('should return ElementHandle for TextNodes', async({page, server}) => {
+      await page.setContent('<div>ee!</div>');
+      const aHandle = await page.evaluateHandle(() => document.querySelector('div').firstChild);
+      const element = aHandle.asElement();
+      expect(element).toBeTruthy();
+      expect(await page.evaluate(e => e.nodeType === HTMLElement.TEXT_NODE, element));
+    });
+  });
+
+  describe('JSHandle.toString', function() {
+    it('should work for primitives', async({page, server}) => {
+      const numberHandle = await page.evaluateHandle(() => 2);
+      expect(numberHandle.toString()).toBe('JSHandle:2');
+      const stringHandle = await page.evaluateHandle(() => 'a');
+      expect(stringHandle.toString()).toBe('JSHandle:a');
+    });
+    it('should work for complicated objects', async({page, server}) => {
+      const aHandle = await page.evaluateHandle(() => window);
+      expect(aHandle.toString()).toBe('JSHandle@object');
+    });
+  });
+};