polygerrit-ui/app/elements/shared/gr-js-api-interface/gr-js-api-interface_test.html - gerrit - Git at Google

 <!DOCTYPE html>
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 @license
 Copyright (C) 2016 The Android Open Source Project

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
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 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.
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 <meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
 <title>gr-api-interface</title>

 <script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
 <script src="../../../bower_components/web-component-tester/browser.js"></script>
 <link rel="import" href="../../../test/common-test-setup.html"/>
 <link rel="import" href="gr-js-api-interface.html">

 <script>void(0);</script>

 <test-fixture id="basic">
   <template>
     <gr-js-api-interface></gr-js-api-interface>
   </template>
 </test-fixture>

 <script>
   suite('gr-js-api-interface tests', () => {
     let element;
     let plugin;
     let errorStub;
     let sandbox;
     let getResponseObjectStub;
     let sendStub;

     const throwErrFn = function() {
       throw Error('Unfortunately, this handler has stopped');
     };

     setup(() => {
       sandbox = sinon.sandbox.create();
       getResponseObjectStub = sandbox.stub().returns(Promise.resolve());
       sendStub = sandbox.stub().returns(Promise.resolve({status: 200}));
       stub('gr-rest-api-interface', {
         getAccount() {
           return Promise.resolve({name: 'Judy Hopps'});
         },
         getResponseObject: getResponseObjectStub,
         send(...args) {
           return sendStub(...args);
         },
       });
       element = fixture('basic');
       errorStub = sandbox.stub(console, 'error');
       Gerrit.install(p => { plugin = p; }, '0.1',
           'http://test.com/plugins/testplugin/static/test.js');
       Gerrit._setPluginsPending([]);
     });

     teardown(() => {
       sandbox.restore();
       element._removeEventCallbacks();
       plugin = null;
     });

     test('reuse plugin for install calls', () => {
       let otherPlugin;
       Gerrit.install(p => { otherPlugin = p; }, '0.1',
           'http://test.com/plugins/testplugin/static/test.js');
       assert.strictEqual(plugin, otherPlugin);
     });

     test('flushes preinstalls if provided', () => {
       assert.doesNotThrow(() => {
         Gerrit._flushPreinstalls();
       });
       window.Gerrit.flushPreinstalls = sandbox.stub();
       Gerrit._flushPreinstalls();
       assert.isTrue(window.Gerrit.flushPreinstalls.calledOnce);
       delete window.Gerrit.flushPreinstalls;
     });

     test('url', () => {
       assert.equal(plugin.url(), 'http://test.com/plugins/testplugin/');
       assert.equal(plugin.url('/static/test.js'),
           'http://test.com/plugins/testplugin/static/test.js');
     });

     test('_send on failure rejects with response text', () => {
       sendStub.returns(Promise.resolve(
           {status: 400, text() { return Promise.resolve('text'); }}));
       return plugin._send().catch(r => {
         assert.equal(r, 'text');
       });
     });

     test('_send on failure without text rejects with code', () => {
       sendStub.returns(Promise.resolve(
           {status: 400, text() { return Promise.resolve(null); }}));
       return plugin._send().catch(r => {
         assert.equal(r, '400');
       });
     });

     test('get', () => {
       const response = {foo: 'foo'};
       getResponseObjectStub.returns(Promise.resolve(response));
       return plugin.get('/url', r => {
         assert.isTrue(sendStub.calledWith(
             'GET', 'http://test.com/plugins/testplugin/url'));
         assert.strictEqual(r, response);
       });
     });

     test('get using Promise', () => {
       const response = {foo: 'foo'};
       getResponseObjectStub.returns(Promise.resolve(response));
       return plugin.get('/url', r => 'rubbish').then(r => {
         assert.isTrue(sendStub.calledWith(
             'GET', 'http://test.com/plugins/testplugin/url'));
         assert.strictEqual(r, response);
       });
     });

     test('post', () => {
       const payload = {foo: 'foo'};
       const response = {bar: 'bar'};
       getResponseObjectStub.returns(Promise.resolve(response));
       return plugin.post('/url', payload, r => {
         assert.isTrue(sendStub.calledWith(
             'POST', 'http://test.com/plugins/testplugin/url', payload));
         assert.strictEqual(r, response);
       });
     });

     test('put', () => {
       const payload = {foo: 'foo'};
       const response = {bar: 'bar'};
       getResponseObjectStub.returns(Promise.resolve(response));
       return plugin.put('/url', payload, r => {
         assert.isTrue(sendStub.calledWith(
             'PUT', 'http://test.com/plugins/testplugin/url', payload));
         assert.strictEqual(r, response);
       });
     });

     test('delete works', () => {
       const response = {status: 204};
       sendStub.returns(Promise.resolve(response));
       return plugin.delete('/url', r => {
         assert.isTrue(sendStub.calledWithExactly(
             'DELETE', 'http://test.com/plugins/testplugin/url'));
         assert.strictEqual(r, response);
       });
     });

     test('delete fails', () => {
       sendStub.returns(Promise.resolve(
           {status: 400, text() { return Promise.resolve('text'); }}));
       return plugin.delete('/url', r => {
         throw new Error('Should not resolve');
       }).catch(err => {
         assert.isTrue(sendStub.calledWith(
             'DELETE', 'http://test.com/plugins/testplugin/url'));
         assert.equal('text', err);
       });
     });

     test('history event', done => {
       plugin.on(element.EventType.HISTORY, throwErrFn);
       plugin.on(element.EventType.HISTORY, path => {
         assert.equal(path, '/path/to/awesomesauce');
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleEvent(element.EventType.HISTORY,
           {path: '/path/to/awesomesauce'});
     });

     test('showchange event', done => {
       const testChange = {
         _number: 42,
         revisions: {def: {_number: 2}, abc: {_number: 1}},
       };
       const expectedChange = Object.assign({mergeable: false}, testChange);
       plugin.on(element.EventType.SHOW_CHANGE, throwErrFn);
       plugin.on(element.EventType.SHOW_CHANGE, (change, revision, info) => {
         assert.deepEqual(change, expectedChange);
         assert.deepEqual(revision, testChange.revisions.abc);
         assert.deepEqual(info, {mergeable: false});
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleEvent(element.EventType.SHOW_CHANGE,
           {change: testChange, patchNum: 1, info: {mergeable: false}});
     });

     test('handleEvent awaits plugins load', done => {
       const testChange = {
         _number: 42,
         revisions: {def: {_number: 2}, abc: {_number: 1}},
       };
       const spy = sandbox.spy();
       Gerrit._setPluginsCount(1);
       plugin.on(element.EventType.SHOW_CHANGE, spy);
       element.handleEvent(element.EventType.SHOW_CHANGE,
           {change: testChange, patchNum: 1});
       assert.isFalse(spy.called);
       Gerrit._setPluginsCount(0);
       flush(() => {
         assert.isTrue(spy.called);
         done();
       });
     });

     test('comment event', done => {
       const testCommentNode = {foo: 'bar'};
       plugin.on(element.EventType.COMMENT, throwErrFn);
       plugin.on(element.EventType.COMMENT, commentNode => {
         assert.deepEqual(commentNode, testCommentNode);
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleEvent(element.EventType.COMMENT, {node: testCommentNode});
     });

     test('revert event', () => {
       function appendToRevertMsg(c, revertMsg, originalMsg) {
         return revertMsg + '\n' + originalMsg.replace(/^/gm, '> ') + '\ninfo';
       }

       assert.equal(element.modifyRevertMsg(null, 'test', 'origTest'), 'test');
       assert.equal(errorStub.callCount, 0);

       plugin.on(element.EventType.REVERT, throwErrFn);
       plugin.on(element.EventType.REVERT, appendToRevertMsg);
       assert.equal(element.modifyRevertMsg(null, 'test', 'origTest'),
           'test\n> origTest\ninfo');
       assert.isTrue(errorStub.calledOnce);

       plugin.on(element.EventType.REVERT, appendToRevertMsg);
       assert.equal(element.modifyRevertMsg(null, 'test', 'origTest'),
           'test\n> origTest\ninfo\n> origTest\ninfo');
       assert.isTrue(errorStub.calledTwice);
     });

     test('postrevert event', () => {
       function getLabels(c) {
         return {'Code-Review': 1};
       }

       assert.deepEqual(element.getLabelValuesPostRevert(null), {});
       assert.equal(errorStub.callCount, 0);

       plugin.on(element.EventType.POST_REVERT, throwErrFn);
       plugin.on(element.EventType.POST_REVERT, getLabels);
       assert.deepEqual(
           element.getLabelValuesPostRevert(null), {'Code-Review': 1});
       assert.isTrue(errorStub.calledOnce);
     });

     test('commitmsgedit event', done => {
       const testMsg = 'Test CL commit message';
       plugin.on(element.EventType.COMMIT_MSG_EDIT, throwErrFn);
       plugin.on(element.EventType.COMMIT_MSG_EDIT, (change, msg) => {
         assert.deepEqual(msg, testMsg);
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleCommitMessage(null, testMsg);
     });

     test('labelchange event', done => {
       const testChange = {_number: 42};
       plugin.on(element.EventType.LABEL_CHANGE, throwErrFn);
       plugin.on(element.EventType.LABEL_CHANGE, change => {
         assert.deepEqual(change, testChange);
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleEvent(element.EventType.LABEL_CHANGE, {change: testChange});
     });

     test('submitchange', () => {
       plugin.on(element.EventType.SUBMIT_CHANGE, throwErrFn);
       plugin.on(element.EventType.SUBMIT_CHANGE, () => { return true; });
       assert.isTrue(element.canSubmitChange());
       assert.isTrue(errorStub.calledOnce);
       plugin.on(element.EventType.SUBMIT_CHANGE, () => { return false; });
       plugin.on(element.EventType.SUBMIT_CHANGE, () => { return true; });
       assert.isFalse(element.canSubmitChange());
       assert.isTrue(errorStub.calledTwice);
     });

     test('highlightjs-loaded event', done => {
       const testHljs = {_number: 42};
       plugin.on(element.EventType.HIGHLIGHTJS_LOADED, throwErrFn);
       plugin.on(element.EventType.HIGHLIGHTJS_LOADED, hljs => {
         assert.deepEqual(hljs, testHljs);
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleEvent(element.EventType.HIGHLIGHTJS_LOADED, {hljs: testHljs});
     });

     test('versioning', () => {
       const callback = sandbox.spy();
       Gerrit.install(callback, '0.0pre-alpha');
       assert(callback.notCalled);
     });

     test('getAccount', done => {
       Gerrit.getLoggedIn().then(loggedIn => {
         assert.isTrue(loggedIn);
         done();
       });
     });

     test('_setPluginsCount', done => {
       stub('gr-reporting', {
         pluginsLoaded() {
           done();
         },
       });
       Gerrit._setPluginsCount(0);
     });

     test('_arePluginsLoaded', () => {
       assert.isTrue(Gerrit._arePluginsLoaded());
       Gerrit._setPluginsCount(1);
       assert.isFalse(Gerrit._arePluginsLoaded());
       Gerrit._setPluginsCount(0);
       assert.isTrue(Gerrit._arePluginsLoaded());
     });

     test('_pluginInstalled', () => {
       const pluginsLoadedStub = sandbox.stub();
       stub('gr-reporting', {
         pluginsLoaded: (...args) => pluginsLoadedStub(...args),
       });
       const plugins = [
         'http://test.com/plugins/foo/static/test.js',
         'http://test.com/plugins/bar/static/test.js',
       ];
       Gerrit._setPluginsPending(plugins);
       Gerrit._pluginInstalled(plugins[0]);
       Gerrit._pluginInstalled(plugins[1]);
       assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo', 'bar']));
     });

     test('install calls _pluginInstalled', () => {
       sandbox.stub(Gerrit, '_pluginInstalled');
       Gerrit.install(p => { plugin = p; }, '0.1',
           'http://test.com/plugins/testplugin/static/test.js');

       // testplugin has already been installed once (in setup).
       assert.isFalse(Gerrit._pluginInstalled.called);

       // testplugin2 plugin has not yet been installed.
       Gerrit.install(p => { plugin = p; }, '0.1',
           'http://test.com/plugins/testplugin2/static/test.js');
       assert.isTrue(Gerrit._pluginInstalled.calledOnce);
     });

     test('plugin install errors mark plugins as loaded', () => {
       Gerrit._setPluginsCount(1);
       Gerrit.install(() => {}, '0.0pre-alpha');
       return Gerrit.awaitPluginsLoaded();
     });

     test('multiple ui plugins per java plugin', () => {
       const file1 = 'http://test.com/plugins/qaz/static/foo.nocache.js';
       const file2 = 'http://test.com/plugins/qaz/static/bar.js';
       Gerrit._setPluginsPending([file1, file2]);
       Gerrit.install(() => {}, '0.1', file1);
       Gerrit.install(() => {}, '0.1', file2);
       return Gerrit.awaitPluginsLoaded();
     });

     test('plugin install errors shows toasts', () => {
       const alertStub = sandbox.stub();
       document.addEventListener('show-alert', alertStub);
       Gerrit._setPluginsCount(1);
       Gerrit.install(() => {}, '0.0pre-alpha');
       return Gerrit.awaitPluginsLoaded().then(() => {
         assert.isTrue(alertStub.calledOnce);
       });
     });

     test('attributeHelper', () => {
       assert.isOk(plugin.attributeHelper());
     });

     test('deprecated.install', () => {
       plugin.deprecated.install();
       assert.strictEqual(plugin.popup, plugin.deprecated.popup);
       assert.strictEqual(plugin.onAction, plugin.deprecated.onAction);
       assert.notStrictEqual(plugin.install, plugin.deprecated.install);
     });

     test('getAdminMenuLinks', () => {
       const links = [{text: 'a', url: 'b'}, {text: 'c', url: 'd'}];
       const getCallbacksStub = sandbox.stub(element, '_getEventCallbacks')
           .returns([
             {getMenuLinks: () => [links[0]]},
             {getMenuLinks: () => [links[1]]},
           ]);
       const result = element.getAdminMenuLinks();
       assert.deepEqual(result, links);
       assert.isTrue(getCallbacksStub.calledOnce);
       assert.equal(getCallbacksStub.lastCall.args[0],
           element.EventType.ADMIN_MENU_LINKS);
     });

     test('Gerrit._isPluginPreloaded', () => {
       Gerrit._preloadedPlugins = {baz: ()=>{}};
       assert.isFalse(Gerrit._isPluginPreloaded('plugins/foo/bar'));
       assert.isFalse(Gerrit._isPluginPreloaded('http://a.com/42'));
       assert.isTrue(Gerrit._isPluginPreloaded('preloaded:baz'));
       Gerrit._preloadedPlugins = null;
     });

     test('preloaded plugins are installed', () => {
       const installStub = sandbox.stub();
       Gerrit._preloadedPlugins = {foo: installStub};
       Gerrit._installPreloadedPlugins();
       assert.isTrue(installStub.called);
       const pluginApi = installStub.lastCall.args[0];
       assert.strictEqual(pluginApi.getPluginName(), 'foo');
     });

     test('installing preloaded plugin', () => {
       let plugin;
       window.ASSETS_PATH = 'http://blips.com/chitz';
       Gerrit.install(p => { plugin = p; }, '0.1', 'preloaded:foo');
       assert.strictEqual(plugin.getPluginName(), 'foo');
       assert.strictEqual(plugin.url('/some/thing.html'),
           'http://blips.com/chitz/plugins/foo/some/thing.html');
       delete window.ASSETS_PATH;
     });

     suite('test plugin with base url', () => {
       let baseUrlPlugin;

       setup(() => {
         sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns('/r');

         Gerrit._setPluginsCount(1);
         Gerrit.install(p => { baseUrlPlugin = p; }, '0.1',
             'http://test.com/r/plugins/baseurlplugin/static/test.js');
       });

       test('url', () => {
         assert.notEqual(baseUrlPlugin.url(),
             'http://test.com/plugins/baseurlplugin/');
         assert.equal(baseUrlPlugin.url(),
             'http://test.com/r/plugins/baseurlplugin/');
         assert.equal(baseUrlPlugin.url('/static/test.js'),
             'http://test.com/r/plugins/baseurlplugin/static/test.js');
       });
     });

     suite('popup', () => {
       test('popup(element) is deprecated', () => {
         plugin.popup(document.createElement('div'));
         assert.isTrue(console.error.calledOnce);
       });

       test('popup(moduleName) creates popup with component', () => {
         const openStub = sandbox.stub();
         sandbox.stub(window, 'GrPopupInterface').returns({
           open: openStub,
         });
         plugin.popup('some-name');
         assert.isTrue(openStub.calledOnce);
         assert.isTrue(GrPopupInterface.calledWith(plugin, 'some-name'));
       });

       test('deprecated.popup(element) creates popup with element', () => {
         const el = document.createElement('div');
         el.textContent = 'some text here';
         const openStub = sandbox.stub(GrPopupInterface.prototype, 'open');
         openStub.returns(Promise.resolve({
           _getElement() {
             return document.createElement('div');
           }}));
         plugin.deprecated.popup(el);
         assert.isTrue(openStub.calledOnce);
       });
     });

     suite('onAction', () => {
       let change;
       let revision;
       let actionDetails;

       setup(() => {
         change = {};
         revision = {};
         actionDetails = {__key: 'some'};
         sandbox.stub(plugin, 'on').callsArgWith(1, change, revision);
         sandbox.stub(plugin, 'changeActions').returns({
           addTapListener: sandbox.stub().callsArg(1),
           getActionDetails: () => actionDetails,
         });
       });

       test('returns GrPluginActionContext', () => {
         const stub = sandbox.stub();
         plugin.deprecated.onAction('change', 'foo', ctx => {
           assert.isTrue(ctx instanceof GrPluginActionContext);
           assert.strictEqual(ctx.change, change);
           assert.strictEqual(ctx.revision, revision);
           assert.strictEqual(ctx.action, actionDetails);
           assert.strictEqual(ctx.plugin, plugin);
           stub();
         });
         assert.isTrue(stub.called);
       });

       test('other actions', () => {
         const stub = sandbox.stub();
         plugin.deprecated.onAction('project', 'foo', stub);
         plugin.deprecated.onAction('edit', 'foo', stub);
         plugin.deprecated.onAction('branch', 'foo', stub);
         assert.isFalse(stub.called);
       });
     });

     suite('screen', () => {
       test('screenUrl()', () => {
         sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns('/base');
         assert.equal(plugin.screenUrl(), 'http://test.com/base/x/testplugin');
         assert.equal(
             plugin.screenUrl('foo'), 'http://test.com/base/x/testplugin/foo');
       });

       test('deprecated works', () => {
         const stub = sandbox.stub();
         const hookStub = {onAttached: sandbox.stub()};
         sandbox.stub(plugin, 'hook').returns(hookStub);
         plugin.deprecated.screen('foo', stub);
         assert.isTrue(plugin.hook.calledWith('testplugin-screen-foo'));
         const fakeEl = {style: {display: ''}};
         hookStub.onAttached.callArgWith(0, fakeEl);
         assert.isTrue(stub.called);
         assert.equal(fakeEl.style.display, 'none');
       });

       test('works', () => {
         sandbox.stub(plugin, 'registerCustomComponent');
         plugin.screen('foo', 'some-module');
         assert.isTrue(plugin.registerCustomComponent.calledWith(
             'testplugin-screen-foo', 'some-module'));
       });
     });

     suite('panel', () => {
       let fakeEl;
       let emulateAttached;

       setup(()=> {
         fakeEl = {change: {}, revision: {}};
         const hookStub = {onAttached: sandbox.stub()};
         sandbox.stub(plugin, 'hook').returns(hookStub);
         emulateAttached = () => hookStub.onAttached.callArgWith(0, fakeEl);
       });

       test('plugin.panel is deprecated', () => {
         plugin.panel('rubbish');
         assert.isTrue(console.error.called);
       });

       [
         ['CHANGE_SCREEN_BELOW_COMMIT_INFO_BLOCK', 'change-view-integration'],
         ['CHANGE_SCREEN_BELOW_CHANGE_INFO_BLOCK', 'change-metadata-item'],
       ].forEach(([panelName, endpointName]) => {
         test(`deprecated.panel works for ${panelName}`, () => {
           const callback = sandbox.stub();
           plugin.deprecated.panel(panelName, callback);
           assert.isTrue(plugin.hook.calledWith(endpointName));
           emulateAttached();
           assert.isTrue(callback.called);
           const args = callback.args[0][0];
           assert.strictEqual(args.body, fakeEl);
           assert.strictEqual(args.p.CHANGE_INFO, fakeEl.change);
           assert.strictEqual(args.p.REVISION_INFO, fakeEl.revision);
         });
       });
     });

     suite('settingsScreen', () => {
       test('plugin.settingsScreen is deprecated', () => {
         plugin.settingsScreen('rubbish');
         assert.isTrue(console.error.called);
       });

       test('plugin.settings() returns GrSettingsApi', () => {
         assert.isOk(plugin.settings());
         assert.isTrue(plugin.settings() instanceof GrSettingsApi);
       });

       test('plugin.deprecated.settingsScreen() works', () => {
         const hookStub = {onAttached: sandbox.stub()};
         sandbox.stub(plugin, 'hook').returns(hookStub);
         const fakeSettings = {};
         fakeSettings.title = sandbox.stub().returns(fakeSettings);
         fakeSettings.token = sandbox.stub().returns(fakeSettings);
         fakeSettings.module = sandbox.stub().returns(fakeSettings);
         fakeSettings.build = sandbox.stub().returns(hookStub);
         sandbox.stub(plugin, 'settings').returns(fakeSettings);
         const callback = sandbox.stub();

         plugin.deprecated.settingsScreen('path', 'menu', callback);
         assert.isTrue(fakeSettings.title.calledWith('menu'));
         assert.isTrue(fakeSettings.token.calledWith('path'));
         assert.isTrue(fakeSettings.module.calledWith('div'));
         assert.equal(fakeSettings.build.callCount, 1);

         const fakeBody = {};
         const fakeEl = {
           style: {
             display: '',
           },
           querySelector: sandbox.stub().returns(fakeBody),
         };
         // Emulate settings screen attached
         hookStub.onAttached.callArgWith(0, fakeEl);
         assert.isTrue(callback.called);
         const args = callback.args[0][0];
         assert.strictEqual(args.body, fakeBody);
         assert.equal(fakeEl.style.display, 'none');
       });
     });
   });
 </script>
	<!DOCTYPE html>
	<!--
	@license
	Copyright (C) 2016 The Android Open Source Project

	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.
	-->

	<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
	<title>gr-api-interface</title>

	<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
	<script src="../../../bower_components/web-component-tester/browser.js"></script>
	<link rel="import" href="../../../test/common-test-setup.html"/>
	<link rel="import" href="gr-js-api-interface.html">

	<script>void(0);</script>

	<test-fixture id="basic">
	<template>
	<gr-js-api-interface></gr-js-api-interface>
	</template>
	</test-fixture>

	<script>
	suite('gr-js-api-interface tests', () => {
	let element;
	let plugin;
	let errorStub;
	let sandbox;
	let getResponseObjectStub;
	let sendStub;

	const throwErrFn = function() {
	throw Error('Unfortunately, this handler has stopped');
	};

	setup(() => {
	sandbox = sinon.sandbox.create();
	getResponseObjectStub = sandbox.stub().returns(Promise.resolve());
	sendStub = sandbox.stub().returns(Promise.resolve({status: 200}));
	stub('gr-rest-api-interface', {
	getAccount() {
	return Promise.resolve({name: 'Judy Hopps'});
	},
	getResponseObject: getResponseObjectStub,
	send(...args) {
	return sendStub(...args);
	},
	});
	element = fixture('basic');
	errorStub = sandbox.stub(console, 'error');
	Gerrit.install(p => { plugin = p; }, '0.1',
	'http://test.com/plugins/testplugin/static/test.js');
	Gerrit._setPluginsPending([]);
	});

	teardown(() => {
	sandbox.restore();
	element._removeEventCallbacks();
	plugin = null;
	});

	test('reuse plugin for install calls', () => {
	let otherPlugin;
	Gerrit.install(p => { otherPlugin = p; }, '0.1',
	'http://test.com/plugins/testplugin/static/test.js');
	assert.strictEqual(plugin, otherPlugin);
	});

	test('flushes preinstalls if provided', () => {
	assert.doesNotThrow(() => {
	Gerrit._flushPreinstalls();
	});
	window.Gerrit.flushPreinstalls = sandbox.stub();
	Gerrit._flushPreinstalls();
	assert.isTrue(window.Gerrit.flushPreinstalls.calledOnce);
	delete window.Gerrit.flushPreinstalls;
	});

	test('url', () => {
	assert.equal(plugin.url(), 'http://test.com/plugins/testplugin/');
	assert.equal(plugin.url('/static/test.js'),
	'http://test.com/plugins/testplugin/static/test.js');
	});

	test('_send on failure rejects with response text', () => {
	sendStub.returns(Promise.resolve(
	{status: 400, text() { return Promise.resolve('text'); }}));
	return plugin._send().catch(r => {
	assert.equal(r, 'text');
	});
	});

	test('_send on failure without text rejects with code', () => {
	sendStub.returns(Promise.resolve(
	{status: 400, text() { return Promise.resolve(null); }}));
	return plugin._send().catch(r => {
	assert.equal(r, '400');
	});
	});

	test('get', () => {
	const response = {foo: 'foo'};
	getResponseObjectStub.returns(Promise.resolve(response));
	return plugin.get('/url', r => {
	assert.isTrue(sendStub.calledWith(
	'GET', 'http://test.com/plugins/testplugin/url'));
	assert.strictEqual(r, response);
	});
	});

	test('get using Promise', () => {
	const response = {foo: 'foo'};
	getResponseObjectStub.returns(Promise.resolve(response));
	return plugin.get('/url', r => 'rubbish').then(r => {
	assert.isTrue(sendStub.calledWith(
	'GET', 'http://test.com/plugins/testplugin/url'));
	assert.strictEqual(r, response);
	});
	});

	test('post', () => {
	const payload = {foo: 'foo'};
	const response = {bar: 'bar'};
	getResponseObjectStub.returns(Promise.resolve(response));
	return plugin.post('/url', payload, r => {
	assert.isTrue(sendStub.calledWith(
	'POST', 'http://test.com/plugins/testplugin/url', payload));
	assert.strictEqual(r, response);
	});
	});

	test('put', () => {
	const payload = {foo: 'foo'};
	const response = {bar: 'bar'};
	getResponseObjectStub.returns(Promise.resolve(response));
	return plugin.put('/url', payload, r => {
	assert.isTrue(sendStub.calledWith(
	'PUT', 'http://test.com/plugins/testplugin/url', payload));
	assert.strictEqual(r, response);
	});
	});

	test('delete works', () => {
	const response = {status: 204};
	sendStub.returns(Promise.resolve(response));
	return plugin.delete('/url', r => {
	assert.isTrue(sendStub.calledWithExactly(
	'DELETE', 'http://test.com/plugins/testplugin/url'));
	assert.strictEqual(r, response);
	});
	});

	test('delete fails', () => {
	sendStub.returns(Promise.resolve(
	{status: 400, text() { return Promise.resolve('text'); }}));
	return plugin.delete('/url', r => {
	throw new Error('Should not resolve');
	}).catch(err => {
	assert.isTrue(sendStub.calledWith(
	'DELETE', 'http://test.com/plugins/testplugin/url'));
	assert.equal('text', err);
	});
	});

	test('history event', done => {
	plugin.on(element.EventType.HISTORY, throwErrFn);
	plugin.on(element.EventType.HISTORY, path => {
	assert.equal(path, '/path/to/awesomesauce');
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleEvent(element.EventType.HISTORY,
	{path: '/path/to/awesomesauce'});
	});

	test('showchange event', done => {
	const testChange = {
	_number: 42,
	revisions: {def: {_number: 2}, abc: {_number: 1}},
	};
	const expectedChange = Object.assign({mergeable: false}, testChange);
	plugin.on(element.EventType.SHOW_CHANGE, throwErrFn);
	plugin.on(element.EventType.SHOW_CHANGE, (change, revision, info) => {
	assert.deepEqual(change, expectedChange);
	assert.deepEqual(revision, testChange.revisions.abc);
	assert.deepEqual(info, {mergeable: false});
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleEvent(element.EventType.SHOW_CHANGE,
	{change: testChange, patchNum: 1, info: {mergeable: false}});
	});

	test('handleEvent awaits plugins load', done => {
	const testChange = {
	_number: 42,
	revisions: {def: {_number: 2}, abc: {_number: 1}},
	};
	const spy = sandbox.spy();
	Gerrit._setPluginsCount(1);
	plugin.on(element.EventType.SHOW_CHANGE, spy);
	element.handleEvent(element.EventType.SHOW_CHANGE,
	{change: testChange, patchNum: 1});
	assert.isFalse(spy.called);
	Gerrit._setPluginsCount(0);
	flush(() => {
	assert.isTrue(spy.called);
	done();
	});
	});

	test('comment event', done => {
	const testCommentNode = {foo: 'bar'};
	plugin.on(element.EventType.COMMENT, throwErrFn);
	plugin.on(element.EventType.COMMENT, commentNode => {
	assert.deepEqual(commentNode, testCommentNode);
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleEvent(element.EventType.COMMENT, {node: testCommentNode});
	});

	test('revert event', () => {
	function appendToRevertMsg(c, revertMsg, originalMsg) {
	return revertMsg + '\n' + originalMsg.replace(/^/gm, '> ') + '\ninfo';
	}

	assert.equal(element.modifyRevertMsg(null, 'test', 'origTest'), 'test');
	assert.equal(errorStub.callCount, 0);

	plugin.on(element.EventType.REVERT, throwErrFn);
	plugin.on(element.EventType.REVERT, appendToRevertMsg);
	assert.equal(element.modifyRevertMsg(null, 'test', 'origTest'),
	'test\n> origTest\ninfo');
	assert.isTrue(errorStub.calledOnce);

	plugin.on(element.EventType.REVERT, appendToRevertMsg);
	assert.equal(element.modifyRevertMsg(null, 'test', 'origTest'),
	'test\n> origTest\ninfo\n> origTest\ninfo');
	assert.isTrue(errorStub.calledTwice);
	});

	test('postrevert event', () => {
	function getLabels(c) {
	return {'Code-Review': 1};
	}

	assert.deepEqual(element.getLabelValuesPostRevert(null), {});
	assert.equal(errorStub.callCount, 0);

	plugin.on(element.EventType.POST_REVERT, throwErrFn);
	plugin.on(element.EventType.POST_REVERT, getLabels);
	assert.deepEqual(
	element.getLabelValuesPostRevert(null), {'Code-Review': 1});
	assert.isTrue(errorStub.calledOnce);
	});

	test('commitmsgedit event', done => {
	const testMsg = 'Test CL commit message';
	plugin.on(element.EventType.COMMIT_MSG_EDIT, throwErrFn);
	plugin.on(element.EventType.COMMIT_MSG_EDIT, (change, msg) => {
	assert.deepEqual(msg, testMsg);
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleCommitMessage(null, testMsg);
	});

	test('labelchange event', done => {
	const testChange = {_number: 42};
	plugin.on(element.EventType.LABEL_CHANGE, throwErrFn);
	plugin.on(element.EventType.LABEL_CHANGE, change => {
	assert.deepEqual(change, testChange);
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleEvent(element.EventType.LABEL_CHANGE, {change: testChange});
	});

	test('submitchange', () => {
	plugin.on(element.EventType.SUBMIT_CHANGE, throwErrFn);
	plugin.on(element.EventType.SUBMIT_CHANGE, () => { return true; });
	assert.isTrue(element.canSubmitChange());
	assert.isTrue(errorStub.calledOnce);
	plugin.on(element.EventType.SUBMIT_CHANGE, () => { return false; });
	plugin.on(element.EventType.SUBMIT_CHANGE, () => { return true; });
	assert.isFalse(element.canSubmitChange());
	assert.isTrue(errorStub.calledTwice);
	});

	test('highlightjs-loaded event', done => {
	const testHljs = {_number: 42};
	plugin.on(element.EventType.HIGHLIGHTJS_LOADED, throwErrFn);
	plugin.on(element.EventType.HIGHLIGHTJS_LOADED, hljs => {
	assert.deepEqual(hljs, testHljs);
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleEvent(element.EventType.HIGHLIGHTJS_LOADED, {hljs: testHljs});
	});

	test('versioning', () => {
	const callback = sandbox.spy();
	Gerrit.install(callback, '0.0pre-alpha');
	assert(callback.notCalled);
	});

	test('getAccount', done => {
	Gerrit.getLoggedIn().then(loggedIn => {
	assert.isTrue(loggedIn);
	done();
	});
	});

	test('_setPluginsCount', done => {
	stub('gr-reporting', {
	pluginsLoaded() {
	done();
	},
	});
	Gerrit._setPluginsCount(0);
	});

	test('_arePluginsLoaded', () => {
	assert.isTrue(Gerrit._arePluginsLoaded());
	Gerrit._setPluginsCount(1);
	assert.isFalse(Gerrit._arePluginsLoaded());
	Gerrit._setPluginsCount(0);
	assert.isTrue(Gerrit._arePluginsLoaded());
	});

	test('_pluginInstalled', () => {
	const pluginsLoadedStub = sandbox.stub();
	stub('gr-reporting', {
	pluginsLoaded: (...args) => pluginsLoadedStub(...args),
	});
	const plugins = [
	'http://test.com/plugins/foo/static/test.js',
	'http://test.com/plugins/bar/static/test.js',
	];
	Gerrit._setPluginsPending(plugins);
	Gerrit._pluginInstalled(plugins[0]);
	Gerrit._pluginInstalled(plugins[1]);
	assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo', 'bar']));
	});

	test('install calls _pluginInstalled', () => {
	sandbox.stub(Gerrit, '_pluginInstalled');
	Gerrit.install(p => { plugin = p; }, '0.1',
	'http://test.com/plugins/testplugin/static/test.js');

	// testplugin has already been installed once (in setup).
	assert.isFalse(Gerrit._pluginInstalled.called);

	// testplugin2 plugin has not yet been installed.
	Gerrit.install(p => { plugin = p; }, '0.1',
	'http://test.com/plugins/testplugin2/static/test.js');
	assert.isTrue(Gerrit._pluginInstalled.calledOnce);
	});

	test('plugin install errors mark plugins as loaded', () => {
	Gerrit._setPluginsCount(1);
	Gerrit.install(() => {}, '0.0pre-alpha');
	return Gerrit.awaitPluginsLoaded();
	});

	test('multiple ui plugins per java plugin', () => {
	const file1 = 'http://test.com/plugins/qaz/static/foo.nocache.js';
	const file2 = 'http://test.com/plugins/qaz/static/bar.js';
	Gerrit._setPluginsPending([file1, file2]);
	Gerrit.install(() => {}, '0.1', file1);
	Gerrit.install(() => {}, '0.1', file2);
	return Gerrit.awaitPluginsLoaded();
	});

	test('plugin install errors shows toasts', () => {
	const alertStub = sandbox.stub();
	document.addEventListener('show-alert', alertStub);
	Gerrit._setPluginsCount(1);
	Gerrit.install(() => {}, '0.0pre-alpha');
	return Gerrit.awaitPluginsLoaded().then(() => {
	assert.isTrue(alertStub.calledOnce);
	});
	});

	test('attributeHelper', () => {
	assert.isOk(plugin.attributeHelper());
	});

	test('deprecated.install', () => {
	plugin.deprecated.install();
	assert.strictEqual(plugin.popup, plugin.deprecated.popup);
	assert.strictEqual(plugin.onAction, plugin.deprecated.onAction);
	assert.notStrictEqual(plugin.install, plugin.deprecated.install);
	});

	test('getAdminMenuLinks', () => {
	const links = [{text: 'a', url: 'b'}, {text: 'c', url: 'd'}];
	const getCallbacksStub = sandbox.stub(element, '_getEventCallbacks')
	.returns([
	{getMenuLinks: () => [links[0]]},
	{getMenuLinks: () => [links[1]]},
	]);
	const result = element.getAdminMenuLinks();
	assert.deepEqual(result, links);
	assert.isTrue(getCallbacksStub.calledOnce);
	assert.equal(getCallbacksStub.lastCall.args[0],
	element.EventType.ADMIN_MENU_LINKS);
	});

	test('Gerrit._isPluginPreloaded', () => {
	Gerrit._preloadedPlugins = {baz: ()=>{}};
	assert.isFalse(Gerrit._isPluginPreloaded('plugins/foo/bar'));
	assert.isFalse(Gerrit._isPluginPreloaded('http://a.com/42'));
	assert.isTrue(Gerrit._isPluginPreloaded('preloaded:baz'));
	Gerrit._preloadedPlugins = null;
	});

	test('preloaded plugins are installed', () => {
	const installStub = sandbox.stub();
	Gerrit._preloadedPlugins = {foo: installStub};
	Gerrit._installPreloadedPlugins();
	assert.isTrue(installStub.called);
	const pluginApi = installStub.lastCall.args[0];
	assert.strictEqual(pluginApi.getPluginName(), 'foo');
	});

	test('installing preloaded plugin', () => {
	let plugin;
	window.ASSETS_PATH = 'http://blips.com/chitz';
	Gerrit.install(p => { plugin = p; }, '0.1', 'preloaded:foo');
	assert.strictEqual(plugin.getPluginName(), 'foo');
	assert.strictEqual(plugin.url('/some/thing.html'),
	'http://blips.com/chitz/plugins/foo/some/thing.html');
	delete window.ASSETS_PATH;
	});

	suite('test plugin with base url', () => {
	let baseUrlPlugin;

	setup(() => {
	sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns('/r');

	Gerrit._setPluginsCount(1);
	Gerrit.install(p => { baseUrlPlugin = p; }, '0.1',
	'http://test.com/r/plugins/baseurlplugin/static/test.js');
	});

	test('url', () => {
	assert.notEqual(baseUrlPlugin.url(),
	'http://test.com/plugins/baseurlplugin/');
	assert.equal(baseUrlPlugin.url(),
	'http://test.com/r/plugins/baseurlplugin/');
	assert.equal(baseUrlPlugin.url('/static/test.js'),
	'http://test.com/r/plugins/baseurlplugin/static/test.js');
	});
	});

	suite('popup', () => {
	test('popup(element) is deprecated', () => {
	plugin.popup(document.createElement('div'));
	assert.isTrue(console.error.calledOnce);
	});

	test('popup(moduleName) creates popup with component', () => {
	const openStub = sandbox.stub();
	sandbox.stub(window, 'GrPopupInterface').returns({
	open: openStub,
	});
	plugin.popup('some-name');
	assert.isTrue(openStub.calledOnce);
	assert.isTrue(GrPopupInterface.calledWith(plugin, 'some-name'));
	});

	test('deprecated.popup(element) creates popup with element', () => {
	const el = document.createElement('div');
	el.textContent = 'some text here';
	const openStub = sandbox.stub(GrPopupInterface.prototype, 'open');
	openStub.returns(Promise.resolve({
	_getElement() {
	return document.createElement('div');
	}}));
	plugin.deprecated.popup(el);
	assert.isTrue(openStub.calledOnce);
	});
	});

	suite('onAction', () => {
	let change;
	let revision;
	let actionDetails;

	setup(() => {
	change = {};
	revision = {};
	actionDetails = {__key: 'some'};
	sandbox.stub(plugin, 'on').callsArgWith(1, change, revision);
	sandbox.stub(plugin, 'changeActions').returns({
	addTapListener: sandbox.stub().callsArg(1),
	getActionDetails: () => actionDetails,
	});
	});

	test('returns GrPluginActionContext', () => {
	const stub = sandbox.stub();
	plugin.deprecated.onAction('change', 'foo', ctx => {
	assert.isTrue(ctx instanceof GrPluginActionContext);
	assert.strictEqual(ctx.change, change);
	assert.strictEqual(ctx.revision, revision);
	assert.strictEqual(ctx.action, actionDetails);
	assert.strictEqual(ctx.plugin, plugin);
	stub();
	});
	assert.isTrue(stub.called);
	});

	test('other actions', () => {
	const stub = sandbox.stub();
	plugin.deprecated.onAction('project', 'foo', stub);
	plugin.deprecated.onAction('edit', 'foo', stub);
	plugin.deprecated.onAction('branch', 'foo', stub);
	assert.isFalse(stub.called);
	});
	});

	suite('screen', () => {
	test('screenUrl()', () => {
	sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns('/base');
	assert.equal(plugin.screenUrl(), 'http://test.com/base/x/testplugin');
	assert.equal(
	plugin.screenUrl('foo'), 'http://test.com/base/x/testplugin/foo');
	});

	test('deprecated works', () => {
	const stub = sandbox.stub();
	const hookStub = {onAttached: sandbox.stub()};
	sandbox.stub(plugin, 'hook').returns(hookStub);
	plugin.deprecated.screen('foo', stub);
	assert.isTrue(plugin.hook.calledWith('testplugin-screen-foo'));
	const fakeEl = {style: {display: ''}};
	hookStub.onAttached.callArgWith(0, fakeEl);
	assert.isTrue(stub.called);
	assert.equal(fakeEl.style.display, 'none');
	});

	test('works', () => {
	sandbox.stub(plugin, 'registerCustomComponent');
	plugin.screen('foo', 'some-module');
	assert.isTrue(plugin.registerCustomComponent.calledWith(
	'testplugin-screen-foo', 'some-module'));
	});
	});

	suite('panel', () => {
	let fakeEl;
	let emulateAttached;

	setup(()=> {
	fakeEl = {change: {}, revision: {}};
	const hookStub = {onAttached: sandbox.stub()};
	sandbox.stub(plugin, 'hook').returns(hookStub);
	emulateAttached = () => hookStub.onAttached.callArgWith(0, fakeEl);
	});

	test('plugin.panel is deprecated', () => {
	plugin.panel('rubbish');
	assert.isTrue(console.error.called);
	});

	[
	['CHANGE_SCREEN_BELOW_COMMIT_INFO_BLOCK', 'change-view-integration'],
	['CHANGE_SCREEN_BELOW_CHANGE_INFO_BLOCK', 'change-metadata-item'],
	].forEach(([panelName, endpointName]) => {
	test(`deprecated.panel works for ${panelName}`, () => {
	const callback = sandbox.stub();
	plugin.deprecated.panel(panelName, callback);
	assert.isTrue(plugin.hook.calledWith(endpointName));
	emulateAttached();
	assert.isTrue(callback.called);
	const args = callback.args[0][0];
	assert.strictEqual(args.body, fakeEl);
	assert.strictEqual(args.p.CHANGE_INFO, fakeEl.change);
	assert.strictEqual(args.p.REVISION_INFO, fakeEl.revision);
	});
	});
	});

	suite('settingsScreen', () => {
	test('plugin.settingsScreen is deprecated', () => {
	plugin.settingsScreen('rubbish');
	assert.isTrue(console.error.called);
	});

	test('plugin.settings() returns GrSettingsApi', () => {
	assert.isOk(plugin.settings());
	assert.isTrue(plugin.settings() instanceof GrSettingsApi);
	});

	test('plugin.deprecated.settingsScreen() works', () => {
	const hookStub = {onAttached: sandbox.stub()};
	sandbox.stub(plugin, 'hook').returns(hookStub);
	const fakeSettings = {};
	fakeSettings.title = sandbox.stub().returns(fakeSettings);
	fakeSettings.token = sandbox.stub().returns(fakeSettings);
	fakeSettings.module = sandbox.stub().returns(fakeSettings);
	fakeSettings.build = sandbox.stub().returns(hookStub);
	sandbox.stub(plugin, 'settings').returns(fakeSettings);
	const callback = sandbox.stub();

	plugin.deprecated.settingsScreen('path', 'menu', callback);
	assert.isTrue(fakeSettings.title.calledWith('menu'));
	assert.isTrue(fakeSettings.token.calledWith('path'));
	assert.isTrue(fakeSettings.module.calledWith('div'));
	assert.equal(fakeSettings.build.callCount, 1);

	const fakeBody = {};
	const fakeEl = {
	style: {
	display: '',
	},
	querySelector: sandbox.stub().returns(fakeBody),
	};
	// Emulate settings screen attached
	hookStub.onAttached.callArgWith(0, fakeEl);
	assert.isTrue(callback.called);
	const args = callback.args[0][0];
	assert.strictEqual(args.body, fakeBody);
	assert.equal(fakeEl.style.display, 'none');
	});
	});
	});
	</script>