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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('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('installGwt calls _pluginInstalled', () => {
      sandbox.stub(Gerrit, '_pluginInstalled');
      Gerrit.installGwt('http://test.com/plugins/testplugin/static/test.js');
      assert.isTrue(Gerrit._pluginInstalled.calledOnce);
    });

    test('installGwt returns a plugin', () => {
      const plugin = Gerrit.installGwt(
          'http://test.com/plugins/testplugin/static/test.js');
      assert.isOk(plugin);
      assert.isOk(plugin._loadedGwt);
    });

    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/plugins/foo/some/thing.html');
      delete window.ASSETS_PATH;
    });

    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', () => {
        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>