test: split out dialog tests (#3586)

test/dialog.spec.js

@@ -0,0 +1,50 @@
+/**
+ * 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('Page.Events.Dialog', function() {
+    it('should fire', async({page, server}) => {
+      page.on('dialog', dialog => {
+        expect(dialog.type()).toBe('alert');
+        expect(dialog.defaultValue()).toBe('');
+        expect(dialog.message()).toBe('yo');
+        dialog.accept();
+      });
+      await page.evaluate(() => alert('yo'));
+    });
+    it('should allow accepting prompts', async({page, server}) => {
+      page.on('dialog', dialog => {
+        expect(dialog.type()).toBe('prompt');
+        expect(dialog.defaultValue()).toBe('yes.');
+        expect(dialog.message()).toBe('question?');
+        dialog.accept('answer!');
+      });
+      const result = await page.evaluate(() => prompt('question?', 'yes.'));
+      expect(result).toBe('answer!');
+    });
+    it('should dismiss the prompt', async({page, server}) => {
+      page.on('dialog', dialog => {
+        dialog.dismiss();
+      });
+      const result = await page.evaluate(() => prompt('question?'));
+      expect(result).toBe(null);
+    });
+  });
+};