MD Settings: validate startup URLs

chrome/test/data/webui/settings/startup_urls_page_test.js

Index: chrome/test/data/webui/settings/startup_urls_page_test.js
diff --git a/chrome/test/data/webui/settings/startup_urls_page_test.js b/chrome/test/data/webui/settings/startup_urls_page_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..1c4490aa0365a441bd5c69b0c48adbfddf5c8dd5
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+++ b/chrome/test/data/webui/settings/startup_urls_page_test.js
@@ -0,0 +1,78 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+cr.define('settings_startup_urls_page', function() {
+  /**
+   * @constructor
+   * @implements {settings.StartupUrlsPageBrowserProxy}
+   * @extends {settings.TestBrowserProxy}
+   */
+  function TestStartupUrlsPageBrowserProxy() {
+    settings.TestBrowserProxy.call(this, [
+      'validateStartupPage',
+      'addStartupPage',
+    ]);
+  }
+
+  TestStartupUrlsPageBrowserProxy.prototype = {
+    __proto__: settings.TestBrowserProxy.prototype,
+
+    urlsAreValid: false,
+
+    /** @override */
+    loadStartupPages: function() {},
+
+    /** @override */
+    validateStartupPage: function(url) {
+      this.methodCalled('validateStartupPage');
+      var resolver = new PromiseResolver;
+      resolver.promise = Promise.resolve(this.urlsAreValid);
+      return resolver;
+    },
+
+    /** @override */
+    addStartupPage: function(url) {
+      this.methodCalled('addStartupPage');
+    },
+  };
+
+  suite('StartupUrlsPage', function() {
+    /** @type {?SettingsStartupUrlsPageElement} */
+    var page = null;
+
+    var browserProxy = null;
+
+    setup(function() {
+      browserProxy = new TestStartupUrlsPageBrowserProxy();
+      settings.StartupUrlsPageBrowserProxyImpl.instance_ = browserProxy;
+      PolymerTest.clearBody();
+      page = document.createElement('settings-startup-urls-page');
+      document.body.appendChild(page);
+    });
+
+    teardown(function() { page.remove(); });
+
+    test('validate', function() {
+      browserProxy.whenCalled('validateStartupPage').then(function() {
+        var addButton = page.$.add;
+        assertTrue(!!addButton);
+        assertFalse(browserProxy.urlsAreValid);
+        assertTrue(addButton.disabled);
+
+        browserProxy.resetResolver('validateStartupPage');
+        browserProxy.whenCalled('validateStartupPage').then(function() {
+          page.async(function() {
+            assertFalse(addButton.disabled);
+            MockInteractions.tap(addButton);
+          });
+        });
+
+        browserProxy.urlsAreValid = true;
+        page.$.newUrl.value = "overriding validation anyway";
+      });
+
+      return browserProxy.whenCalled('addStartupPage');
+    });
+  });
+});