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

 <!DOCTYPE html>
 <!--
 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._setPluginsCount(1);
       Gerrit.install(p => { plugin = p; }, '0.1',
           'http://test.com/plugins/testplugin/static/test.js');
     });

     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('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}},
       };
       plugin.on(element.EventType.SHOW_CHANGE, throwErrFn);
       plugin.on(element.EventType.SHOW_CHANGE, (change, revision) => {
         assert.deepEqual(change, testChange);
         assert.deepEqual(revision, testChange.revisions.abc);
         assert.isTrue(errorStub.calledOnce);
         done();
       });
       element.handleEvent(element.EventType.SHOW_CHANGE,
           {change: testChange, patchNum: 1});
     });

     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('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() {
           assert.equal(Gerrit._pluginsPending, 0);
           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', done => {
       stub('gr-reporting', {
         pluginsLoaded() {
           assert.equal(Gerrit._pluginsPending, 0);
           done();
         },
       });
       Gerrit._setPluginsCount(2);
       Gerrit._pluginInstalled();
       assert.equal(Gerrit._pluginsPending, 1);
       Gerrit._pluginInstalled();
     });

     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('install calls _pluginInstalled on error', () => {
       sandbox.stub(Gerrit, '_pluginInstalled');
       Gerrit.install(() => {}, '0.0pre-alpha');
       assert.isTrue(Gerrit._pluginInstalled.calledOnce);
     });

     test('installGwt calls _pluginInstalled', () => {
       sandbox.stub(Gerrit, '_pluginInstalled');
       Gerrit.installGwt();
       assert.isTrue(Gerrit._pluginInstalled.calledOnce);
     });

     test('installGwt returns a stub object', () => {
       const plugin = Gerrit.installGwt();
       sandbox.stub(console, 'warn');
       assert.isAbove(Object.keys(plugin).length, 0);
       for (const name of Object.keys(plugin)) {
         console.warn.reset();
         plugin[name]();
         assert.isTrue(console.warn.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);
     });

     suite('test plugin with base url', () => {
       setup(() => {
         sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns('/r');

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

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

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

       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);
       });
     });
   });
 </script>
	<!DOCTYPE html>
	<!--
	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._setPluginsCount(1);
	Gerrit.install(p => { plugin = p; }, '0.1',
	'http://test.com/plugins/testplugin/static/test.js');
	});

	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('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}},
	};
	plugin.on(element.EventType.SHOW_CHANGE, throwErrFn);
	plugin.on(element.EventType.SHOW_CHANGE, (change, revision) => {
	assert.deepEqual(change, testChange);
	assert.deepEqual(revision, testChange.revisions.abc);
	assert.isTrue(errorStub.calledOnce);
	done();
	});
	element.handleEvent(element.EventType.SHOW_CHANGE,
	{change: testChange, patchNum: 1});
	});

	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('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() {
	assert.equal(Gerrit._pluginsPending, 0);
	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', done => {
	stub('gr-reporting', {
	pluginsLoaded() {
	assert.equal(Gerrit._pluginsPending, 0);
	done();
	},
	});
	Gerrit._setPluginsCount(2);
	Gerrit._pluginInstalled();
	assert.equal(Gerrit._pluginsPending, 1);
	Gerrit._pluginInstalled();
	});

	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('install calls _pluginInstalled on error', () => {
	sandbox.stub(Gerrit, '_pluginInstalled');
	Gerrit.install(() => {}, '0.0pre-alpha');
	assert.isTrue(Gerrit._pluginInstalled.calledOnce);
	});

	test('installGwt calls _pluginInstalled', () => {
	sandbox.stub(Gerrit, '_pluginInstalled');
	Gerrit.installGwt();
	assert.isTrue(Gerrit._pluginInstalled.calledOnce);
	});

	test('installGwt returns a stub object', () => {
	const plugin = Gerrit.installGwt();
	sandbox.stub(console, 'warn');
	assert.isAbove(Object.keys(plugin).length, 0);
	for (const name of Object.keys(plugin)) {
	console.warn.reset();
	plugin[name]();
	assert.isTrue(console.warn.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);
	});

	suite('test plugin with base url', () => {
	setup(() => {
	sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl').returns('/r');

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

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

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

	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);
	});
	});
	});
	</script>