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

 <!DOCTYPE html>
 <!--
 @license
 Copyright (C) 2017 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-plugin-host</title>
 <script src="/test/common-test-setup.js"></script>
 <script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

 <script src="/bower_components/webcomponentsjs/webcomponents-lite.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>
   const {PRELOADED_PROTOCOL, PLUGIN_LOADING_TIMEOUT_MS} = window._apiUtils;
   suite('gr-plugin-loader tests', () => {
     let plugin;
     let sandbox;
     let url;
     let sendStub;

     setup(() => {
       this.clock = sinon.useFakeTimers();
       sandbox = sinon.sandbox.create();
       sendStub = sandbox.stub().returns(Promise.resolve({status: 200}));
       stub('gr-rest-api-interface', {
         getAccount() {
           return Promise.resolve({name: 'Judy Hopps'});
         },
         send(...args) {
           return sendStub(...args);
         },
       });
       sandbox.stub(document.body, 'appendChild');
       fixture('basic');
       url = window.location.origin;
     });

     teardown(() => {
       sandbox.restore();
       this.clock.restore();
       Gerrit._testOnly_resetPlugins();
     });

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

       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._testOnly_flushPreinstalls();
       });
       window.Gerrit.flushPreinstalls = sandbox.stub();
       Gerrit._testOnly_flushPreinstalls();
       assert.isTrue(window.Gerrit.flushPreinstalls.calledOnce);
       delete window.Gerrit.flushPreinstalls;
     });

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

     test('report pluginsLoaded', done => {
       stub('gr-reporting', {
         pluginsLoaded() {
           done();
         },
       });
       Gerrit._loadPlugins([]);
     });

     test('arePluginsLoaded', done => {
       assert.isFalse(Gerrit._arePluginsLoaded());
       const plugins = [
         'http://test.com/plugins/foo/static/test.js',
         'http://test.com/plugins/bar/static/test.js',
       ];

       Gerrit._loadPlugins(plugins);
       assert.isFalse(Gerrit._arePluginsLoaded());
       // Timeout on loading plugins
       this.clock.tick(PLUGIN_LOADING_TIMEOUT_MS * 2);

       flush(() => {
         assert.isTrue(Gerrit._arePluginsLoaded());
         done();
       });
     });

     test('plugins installed successfully', done => {
       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => void 0, undefined, url);
       });
       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._loadPlugins(plugins);

       flush(() => {
         assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo', 'bar']));
         assert.isTrue(Gerrit._arePluginsLoaded());
         done();
       });
     });

     test('isPluginEnabled and isPluginLoaded', done => {
       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => void 0, undefined, url);
       });
       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',
         'bar/static/test.js',
       ];
       Gerrit._loadPlugins(plugins);
       assert.isTrue(
           plugins.every(plugin => Gerrit._pluginLoader.isPluginEnabled(plugin))
       );

       flush(() => {
         assert.isTrue(Gerrit._arePluginsLoaded());
         assert.isTrue(
             plugins.every(plugin => Gerrit._pluginLoader.isPluginLoaded(plugin))
         );

         done();
       });
     });

     test('plugins installed mixed result, 1 fail 1 succeed', done => {
       const plugins = [
         'http://test.com/plugins/foo/static/test.js',
         'http://test.com/plugins/bar/static/test.js',
       ];

       const alertStub = sandbox.stub();
       document.addEventListener('show-alert', alertStub);

       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => {
           if (url === plugins[0]) {
             throw new Error('failed');
           }
         }, undefined, url);
       });

       const pluginsLoadedStub = sandbox.stub();
       stub('gr-reporting', {
         pluginsLoaded: (...args) => pluginsLoadedStub(...args),
       });

       Gerrit._loadPlugins(plugins);

       flush(() => {
         assert.isTrue(pluginsLoadedStub.calledWithExactly(['bar']));
         assert.isTrue(Gerrit._arePluginsLoaded());
         assert.isTrue(alertStub.calledOnce);
         done();
       });
     });

     test('isPluginEnabled and isPluginLoaded for mixed results', done => {
       const plugins = [
         'http://test.com/plugins/foo/static/test.js',
         'http://test.com/plugins/bar/static/test.js',
       ];

       const alertStub = sandbox.stub();
       document.addEventListener('show-alert', alertStub);

       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => {
           if (url === plugins[0]) {
             throw new Error('failed');
           }
         }, undefined, url);
       });

       const pluginsLoadedStub = sandbox.stub();
       stub('gr-reporting', {
         pluginsLoaded: (...args) => pluginsLoadedStub(...args),
       });

       Gerrit._loadPlugins(plugins);
       assert.isTrue(
           plugins.every(plugin => Gerrit._pluginLoader.isPluginEnabled(plugin))
       );

       flush(() => {
         assert.isTrue(pluginsLoadedStub.calledWithExactly(['bar']));
         assert.isTrue(Gerrit._arePluginsLoaded());
         assert.isTrue(alertStub.calledOnce);
         assert.isTrue(Gerrit._pluginLoader.isPluginLoaded(plugins[1]));
         assert.isFalse(Gerrit._pluginLoader.isPluginLoaded(plugins[0]));
         done();
       });
     });

     test('plugins installed all failed', done => {
       const plugins = [
         'http://test.com/plugins/foo/static/test.js',
         'http://test.com/plugins/bar/static/test.js',
       ];

       const alertStub = sandbox.stub();
       document.addEventListener('show-alert', alertStub);

       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => {
           throw new Error('failed');
         }, undefined, url);
       });

       const pluginsLoadedStub = sandbox.stub();
       stub('gr-reporting', {
         pluginsLoaded: (...args) => pluginsLoadedStub(...args),
       });

       Gerrit._loadPlugins(plugins);

       flush(() => {
         assert.isTrue(pluginsLoadedStub.calledWithExactly([]));
         assert.isTrue(Gerrit._arePluginsLoaded());
         assert.isTrue(alertStub.calledTwice);
         done();
       });
     });

     test('plugins installed failed becasue of wrong version', done => {
       const plugins = [
         'http://test.com/plugins/foo/static/test.js',
         'http://test.com/plugins/bar/static/test.js',
       ];

       const alertStub = sandbox.stub();
       document.addEventListener('show-alert', alertStub);

       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => {
         }, url === plugins[0] ? '' : 'alpha', url);
       });

       const pluginsLoadedStub = sandbox.stub();
       stub('gr-reporting', {
         pluginsLoaded: (...args) => pluginsLoadedStub(...args),
       });

       Gerrit._loadPlugins(plugins);

       flush(() => {
         assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo']));
         assert.isTrue(Gerrit._arePluginsLoaded());
         assert.isTrue(alertStub.calledOnce);
         done();
       });
     });

     test('multiple assets for same plugin installed successfully', done => {
       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => void 0, undefined, url);
       });
       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/foo/static/test2.js',
         'http://test.com/plugins/bar/static/test.js',
       ];
       Gerrit._loadPlugins(plugins);

       flush(() => {
         assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo', 'bar']));
         assert.isTrue(Gerrit._arePluginsLoaded());
         done();
       });
     });

     suite('plugin path and url', () => {
       let importHtmlPluginStub;
       let loadJsPluginStub;
       setup(() => {
         importHtmlPluginStub = sandbox.stub();
         sandbox.stub(Gerrit._pluginLoader, '_importHtmlPlugin', url => {
           importHtmlPluginStub(url);
         });
         loadJsPluginStub = sandbox.stub();
         sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
           loadJsPluginStub(url);
         });
       });

       test('invalid plugin path', () => {
         const failToLoadStub = sandbox.stub();
         sandbox.stub(Gerrit._pluginLoader, '_failToLoad', (...args) => {
           failToLoadStub(...args);
         });

         Gerrit._loadPlugins([
           'foo/bar',
         ]);

         assert.isTrue(failToLoadStub.calledOnce);
         assert.isTrue(failToLoadStub.calledWithExactly(
             `Unrecognized plugin url ${url}/foo/bar`,
             `${url}/foo/bar`
         ));
       });

       test('relative path for plugins', () => {
         Gerrit._loadPlugins([
           'foo/bar.js',
           'foo/bar.html',
         ]);

         assert.isTrue(importHtmlPluginStub.calledOnce);
         assert.isTrue(
             importHtmlPluginStub.calledWithExactly(`${url}/foo/bar.html`)
         );
         assert.isTrue(loadJsPluginStub.calledOnce);
         assert.isTrue(
             loadJsPluginStub.calledWithExactly(`${url}/foo/bar.js`)
         );
       });


       test('relative path should honor getBaseUrl', () => {
         const testUrl = '/test';
         sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl', () => {
           return testUrl;
         });

         Gerrit._loadPlugins([
           'foo/bar.js',
           'foo/bar.html',
         ]);

         assert.isTrue(importHtmlPluginStub.calledOnce);
         assert.isTrue(loadJsPluginStub.calledOnce);
         assert.isTrue(
             importHtmlPluginStub.calledWithExactly(
                 `${url}${testUrl}/foo/bar.html`
             )
         );
         assert.isTrue(
             loadJsPluginStub.calledWithExactly(`${url}${testUrl}/foo/bar.js`)
         );
       });

       test('absolute path for plugins', () => {
         Gerrit._loadPlugins([
           'http://e.com/foo/bar.js',
           'http://e.com/foo/bar.html',
         ]);

         assert.isTrue(importHtmlPluginStub.calledOnce);
         assert.isTrue(
             importHtmlPluginStub.calledWithExactly(`http://e.com/foo/bar.html`)
         );
         assert.isTrue(loadJsPluginStub.calledOnce);
         assert.isTrue(
             loadJsPluginStub.calledWithExactly(`http://e.com/foo/bar.js`)
         );
       });
     });

     test('adds js plugins will call the body', () => {
       Gerrit._loadPlugins([
         'http://e.com/foo/bar.js',
         'http://e.com/bar/foo.js',
       ]);
       assert.isTrue(document.body.appendChild.calledTwice);
     });

     test('can call awaitPluginsLoaded multiple times', done => {
       const plugins = [
         'http://e.com/foo/bar.js',
         'http://e.com/bar/foo.js',
       ];

       let installed = false;
       function pluginCallback(url) {
         if (url === plugins[1]) {
           installed = true;
         }
       }
       sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
         Gerrit.install(() => pluginCallback(url), undefined, url);
       });

       Gerrit._loadPlugins(plugins);

       Gerrit.awaitPluginsLoaded().then(() => {
         assert.isTrue(installed);

         Gerrit.awaitPluginsLoaded().then(() => {
           done();
         });
       });
     });

     suite('preloaded plugins', () => {
       test('skips preloaded plugins when load plugins', () => {
         const importHtmlPluginStub = sandbox.stub();
         sandbox.stub(Gerrit._pluginLoader, '_importHtmlPlugin', url => {
           importHtmlPluginStub(url);
         });
         const loadJsPluginStub = sandbox.stub();
         sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
           loadJsPluginStub(url);
         });

         Gerrit._preloadedPlugins = {
           foo: () => void 0,
           bar: () => void 0,
         };

         Gerrit._loadPlugins([
           'http://e.com/plugins/foo.js',
           'plugins/bar.html',
           'http://e.com/plugins/test/foo.js',
         ]);

         assert.isTrue(importHtmlPluginStub.notCalled);
         assert.isTrue(loadJsPluginStub.calledOnce);
       });

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

       test('preloaded plugins are installed', () => {
         const installStub = sandbox.stub();
         Gerrit._preloadedPlugins = {foo: installStub};
         Gerrit._pluginLoader.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;
       });
     });
   });
 </script>
	<!DOCTYPE html>
	<!--
	@license
	Copyright (C) 2017 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-plugin-host</title>
	<script src="/test/common-test-setup.js"></script>
	<script src="/bower_components/webcomponentsjs/custom-elements-es5-adapter.js"></script>

	<script src="/bower_components/webcomponentsjs/webcomponents-lite.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>
	const {PRELOADED_PROTOCOL, PLUGIN_LOADING_TIMEOUT_MS} = window._apiUtils;
	suite('gr-plugin-loader tests', () => {
	let plugin;
	let sandbox;
	let url;
	let sendStub;

	setup(() => {
	this.clock = sinon.useFakeTimers();
	sandbox = sinon.sandbox.create();
	sendStub = sandbox.stub().returns(Promise.resolve({status: 200}));
	stub('gr-rest-api-interface', {
	getAccount() {
	return Promise.resolve({name: 'Judy Hopps'});
	},
	send(...args) {
	return sendStub(...args);
	},
	});
	sandbox.stub(document.body, 'appendChild');
	fixture('basic');
	url = window.location.origin;
	});

	teardown(() => {
	sandbox.restore();
	this.clock.restore();
	Gerrit._testOnly_resetPlugins();
	});

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

	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._testOnly_flushPreinstalls();
	});
	window.Gerrit.flushPreinstalls = sandbox.stub();
	Gerrit._testOnly_flushPreinstalls();
	assert.isTrue(window.Gerrit.flushPreinstalls.calledOnce);
	delete window.Gerrit.flushPreinstalls;
	});

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

	test('report pluginsLoaded', done => {
	stub('gr-reporting', {
	pluginsLoaded() {
	done();
	},
	});
	Gerrit._loadPlugins([]);
	});

	test('arePluginsLoaded', done => {
	assert.isFalse(Gerrit._arePluginsLoaded());
	const plugins = [
	'http://test.com/plugins/foo/static/test.js',
	'http://test.com/plugins/bar/static/test.js',
	];

	Gerrit._loadPlugins(plugins);
	assert.isFalse(Gerrit._arePluginsLoaded());
	// Timeout on loading plugins
	this.clock.tick(PLUGIN_LOADING_TIMEOUT_MS * 2);

	flush(() => {
	assert.isTrue(Gerrit._arePluginsLoaded());
	done();
	});
	});

	test('plugins installed successfully', done => {
	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => void 0, undefined, url);
	});
	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._loadPlugins(plugins);

	flush(() => {
	assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo', 'bar']));
	assert.isTrue(Gerrit._arePluginsLoaded());
	done();
	});
	});

	test('isPluginEnabled and isPluginLoaded', done => {
	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => void 0, undefined, url);
	});
	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',
	'bar/static/test.js',
	];
	Gerrit._loadPlugins(plugins);
	assert.isTrue(
	plugins.every(plugin => Gerrit._pluginLoader.isPluginEnabled(plugin))
	);

	flush(() => {
	assert.isTrue(Gerrit._arePluginsLoaded());
	assert.isTrue(
	plugins.every(plugin => Gerrit._pluginLoader.isPluginLoaded(plugin))
	);

	done();
	});
	});

	test('plugins installed mixed result, 1 fail 1 succeed', done => {
	const plugins = [
	'http://test.com/plugins/foo/static/test.js',
	'http://test.com/plugins/bar/static/test.js',
	];

	const alertStub = sandbox.stub();
	document.addEventListener('show-alert', alertStub);

	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => {
	if (url === plugins[0]) {
	throw new Error('failed');
	}
	}, undefined, url);
	});

	const pluginsLoadedStub = sandbox.stub();
	stub('gr-reporting', {
	pluginsLoaded: (...args) => pluginsLoadedStub(...args),
	});

	Gerrit._loadPlugins(plugins);

	flush(() => {
	assert.isTrue(pluginsLoadedStub.calledWithExactly(['bar']));
	assert.isTrue(Gerrit._arePluginsLoaded());
	assert.isTrue(alertStub.calledOnce);
	done();
	});
	});

	test('isPluginEnabled and isPluginLoaded for mixed results', done => {
	const plugins = [
	'http://test.com/plugins/foo/static/test.js',
	'http://test.com/plugins/bar/static/test.js',
	];

	const alertStub = sandbox.stub();
	document.addEventListener('show-alert', alertStub);

	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => {
	if (url === plugins[0]) {
	throw new Error('failed');
	}
	}, undefined, url);
	});

	const pluginsLoadedStub = sandbox.stub();
	stub('gr-reporting', {
	pluginsLoaded: (...args) => pluginsLoadedStub(...args),
	});

	Gerrit._loadPlugins(plugins);
	assert.isTrue(
	plugins.every(plugin => Gerrit._pluginLoader.isPluginEnabled(plugin))
	);

	flush(() => {
	assert.isTrue(pluginsLoadedStub.calledWithExactly(['bar']));
	assert.isTrue(Gerrit._arePluginsLoaded());
	assert.isTrue(alertStub.calledOnce);
	assert.isTrue(Gerrit._pluginLoader.isPluginLoaded(plugins[1]));
	assert.isFalse(Gerrit._pluginLoader.isPluginLoaded(plugins[0]));
	done();
	});
	});

	test('plugins installed all failed', done => {
	const plugins = [
	'http://test.com/plugins/foo/static/test.js',
	'http://test.com/plugins/bar/static/test.js',
	];

	const alertStub = sandbox.stub();
	document.addEventListener('show-alert', alertStub);

	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => {
	throw new Error('failed');
	}, undefined, url);
	});

	const pluginsLoadedStub = sandbox.stub();
	stub('gr-reporting', {
	pluginsLoaded: (...args) => pluginsLoadedStub(...args),
	});

	Gerrit._loadPlugins(plugins);

	flush(() => {
	assert.isTrue(pluginsLoadedStub.calledWithExactly([]));
	assert.isTrue(Gerrit._arePluginsLoaded());
	assert.isTrue(alertStub.calledTwice);
	done();
	});
	});

	test('plugins installed failed becasue of wrong version', done => {
	const plugins = [
	'http://test.com/plugins/foo/static/test.js',
	'http://test.com/plugins/bar/static/test.js',
	];

	const alertStub = sandbox.stub();
	document.addEventListener('show-alert', alertStub);

	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => {
	}, url === plugins[0] ? '' : 'alpha', url);
	});

	const pluginsLoadedStub = sandbox.stub();
	stub('gr-reporting', {
	pluginsLoaded: (...args) => pluginsLoadedStub(...args),
	});

	Gerrit._loadPlugins(plugins);

	flush(() => {
	assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo']));
	assert.isTrue(Gerrit._arePluginsLoaded());
	assert.isTrue(alertStub.calledOnce);
	done();
	});
	});

	test('multiple assets for same plugin installed successfully', done => {
	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => void 0, undefined, url);
	});
	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/foo/static/test2.js',
	'http://test.com/plugins/bar/static/test.js',
	];
	Gerrit._loadPlugins(plugins);

	flush(() => {
	assert.isTrue(pluginsLoadedStub.calledWithExactly(['foo', 'bar']));
	assert.isTrue(Gerrit._arePluginsLoaded());
	done();
	});
	});

	suite('plugin path and url', () => {
	let importHtmlPluginStub;
	let loadJsPluginStub;
	setup(() => {
	importHtmlPluginStub = sandbox.stub();
	sandbox.stub(Gerrit._pluginLoader, '_importHtmlPlugin', url => {
	importHtmlPluginStub(url);
	});
	loadJsPluginStub = sandbox.stub();
	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	loadJsPluginStub(url);
	});
	});

	test('invalid plugin path', () => {
	const failToLoadStub = sandbox.stub();
	sandbox.stub(Gerrit._pluginLoader, '_failToLoad', (...args) => {
	failToLoadStub(...args);
	});

	Gerrit._loadPlugins([
	'foo/bar',
	]);

	assert.isTrue(failToLoadStub.calledOnce);
	assert.isTrue(failToLoadStub.calledWithExactly(
	`Unrecognized plugin url ${url}/foo/bar`,
	`${url}/foo/bar`
	));
	});

	test('relative path for plugins', () => {
	Gerrit._loadPlugins([
	'foo/bar.js',
	'foo/bar.html',
	]);

	assert.isTrue(importHtmlPluginStub.calledOnce);
	assert.isTrue(
	importHtmlPluginStub.calledWithExactly(`${url}/foo/bar.html`)
	);
	assert.isTrue(loadJsPluginStub.calledOnce);
	assert.isTrue(
	loadJsPluginStub.calledWithExactly(`${url}/foo/bar.js`)
	);
	});


	test('relative path should honor getBaseUrl', () => {
	const testUrl = '/test';
	sandbox.stub(Gerrit.BaseUrlBehavior, 'getBaseUrl', () => {
	return testUrl;
	});

	Gerrit._loadPlugins([
	'foo/bar.js',
	'foo/bar.html',
	]);

	assert.isTrue(importHtmlPluginStub.calledOnce);
	assert.isTrue(loadJsPluginStub.calledOnce);
	assert.isTrue(
	importHtmlPluginStub.calledWithExactly(
	`${url}${testUrl}/foo/bar.html`
	)
	);
	assert.isTrue(
	loadJsPluginStub.calledWithExactly(`${url}${testUrl}/foo/bar.js`)
	);
	});

	test('absolute path for plugins', () => {
	Gerrit._loadPlugins([
	'http://e.com/foo/bar.js',
	'http://e.com/foo/bar.html',
	]);

	assert.isTrue(importHtmlPluginStub.calledOnce);
	assert.isTrue(
	importHtmlPluginStub.calledWithExactly(`http://e.com/foo/bar.html`)
	);
	assert.isTrue(loadJsPluginStub.calledOnce);
	assert.isTrue(
	loadJsPluginStub.calledWithExactly(`http://e.com/foo/bar.js`)
	);
	});
	});

	test('adds js plugins will call the body', () => {
	Gerrit._loadPlugins([
	'http://e.com/foo/bar.js',
	'http://e.com/bar/foo.js',
	]);
	assert.isTrue(document.body.appendChild.calledTwice);
	});

	test('can call awaitPluginsLoaded multiple times', done => {
	const plugins = [
	'http://e.com/foo/bar.js',
	'http://e.com/bar/foo.js',
	];

	let installed = false;
	function pluginCallback(url) {
	if (url === plugins[1]) {
	installed = true;
	}
	}
	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	Gerrit.install(() => pluginCallback(url), undefined, url);
	});

	Gerrit._loadPlugins(plugins);

	Gerrit.awaitPluginsLoaded().then(() => {
	assert.isTrue(installed);

	Gerrit.awaitPluginsLoaded().then(() => {
	done();
	});
	});
	});

	suite('preloaded plugins', () => {
	test('skips preloaded plugins when load plugins', () => {
	const importHtmlPluginStub = sandbox.stub();
	sandbox.stub(Gerrit._pluginLoader, '_importHtmlPlugin', url => {
	importHtmlPluginStub(url);
	});
	const loadJsPluginStub = sandbox.stub();
	sandbox.stub(Gerrit._pluginLoader, '_loadJsPlugin', url => {
	loadJsPluginStub(url);
	});

	Gerrit._preloadedPlugins = {
	foo: () => void 0,
	bar: () => void 0,
	};

	Gerrit._loadPlugins([
	'http://e.com/plugins/foo.js',
	'plugins/bar.html',
	'http://e.com/plugins/test/foo.js',
	]);

	assert.isTrue(importHtmlPluginStub.notCalled);
	assert.isTrue(loadJsPluginStub.calledOnce);
	});

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

	test('preloaded plugins are installed', () => {
	const installStub = sandbox.stub();
	Gerrit._preloadedPlugins = {foo: installStub};
	Gerrit._pluginLoader.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;
	});
	});
	});
	</script>