<!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-rest-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"/>
<script src="../../../scripts/util.js"></script>

<link rel="import" href="gr-rest-api-interface.html">

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

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

<script>
  suite('gr-rest-api-interface tests', () => {
    let element;
    let sandbox;

    setup(() => {
      sandbox = sinon.sandbox.create();
      element = fixture('basic');
      element._cache = {};
      const testJSON = ')]}\'\n{"hello": "bonjour"}';
      sandbox.stub(window, 'fetch').returns(Promise.resolve({
        ok: true,
        text() {
          return Promise.resolve(testJSON);
        },
      }));
    });

    teardown(() => {
      sandbox.restore();
    });

    test('JSON prefix is properly removed', done => {
      element.fetchJSON('/dummy/url').then(obj => {
        assert.deepEqual(obj, {hello: 'bonjour'});
        done();
      });
    });

    test('cached results', done => {
      let n = 0;
      sandbox.stub(element, 'fetchJSON', () => {
        return Promise.resolve(++n);
      });
      const promises = [];
      promises.push(element._fetchSharedCacheURL('/foo'));
      promises.push(element._fetchSharedCacheURL('/foo'));
      promises.push(element._fetchSharedCacheURL('/foo'));

      Promise.all(promises).then(results => {
        assert.deepEqual(results, [1, 1, 1]);
        element._fetchSharedCacheURL('/foo').then(foo => {
          assert.equal(foo, 1);
          done();
        });
      });
    });

    test('cached promise', done => {
      const promise = Promise.reject('foo');
      element._cache['/foo'] = promise;
      element._fetchSharedCacheURL('/foo').catch(p => {
        assert.equal(p, 'foo');
        done();
      });
    });

    test('params are properly encoded', () => {
      let url = element._urlWithParams('/path/', {
        sp: 'hola',
        gr: 'guten tag',
        noval: null,
      });
      assert.equal(url, '/path/?sp=hola&gr=guten%20tag&noval');

      url = element._urlWithParams('/path/', {
        sp: 'hola',
        en: ['hey', 'hi'],
      });
      assert.equal(url, '/path/?sp=hola&en=hey&en=hi');

      // Order must be maintained with array params.
      url = element._urlWithParams('/path/', {
        l: ['c', 'b', 'a'],
      });
      assert.equal(url, '/path/?l=c&l=b&l=a');
    });

    test('request callbacks can be canceled', done => {
      let cancelCalled = false;
      window.fetch.returns(Promise.resolve({
        body: {
          cancel() { cancelCalled = true; },
        },
      }));
      element.fetchJSON('/dummy/url', null, () => { return true; }).then(
          obj => {
            assert.isUndefined(obj);
            assert.isTrue(cancelCalled);
            done();
          });
    });

    test('parent diff comments are properly grouped', done => {
      sandbox.stub(element, 'fetchJSON', () => {
        return Promise.resolve({
          '/COMMIT_MSG': [],
          'sieve.go': [
            {
              updated: '2017-02-03 22:32:28.000000000',
              message: 'this isn’t quite right',
            },
            {
              side: 'PARENT',
              message: 'how did this work in the first place?',
              updated: '2017-02-03 22:33:28.000000000',
            },
          ],
        });
      });
      element._getDiffComments('42', '', 'PARENT', 1, 'sieve.go').then(
          obj => {
            assert.equal(obj.baseComments.length, 1);
            assert.deepEqual(obj.baseComments[0], {
              side: 'PARENT',
              message: 'how did this work in the first place?',
              path: 'sieve.go',
              updated: '2017-02-03 22:33:28.000000000',
            });
            assert.equal(obj.comments.length, 1);
            assert.deepEqual(obj.comments[0], {
              message: 'this isn’t quite right',
              path: 'sieve.go',
              updated: '2017-02-03 22:32:28.000000000',
            });
            done();
          });
    });

    test('_setRange', () => {
      const comments = [
        {
          id: 1,
          side: 'PARENT',
          message: 'how did this work in the first place?',
          updated: '2017-02-03 22:32:28.000000000',
          range: {
            start_line: 1,
            start_character: 1,
            end_line: 2,
            end_character: 1,
          },
        },
        {
          id: 2,
          in_reply_to: 1,
          message: 'this isn’t quite right',
          updated: '2017-02-03 22:33:28.000000000',
        },
      ];
      const expectedResult = {
        id: 2,
        in_reply_to: 1,
        message: 'this isn’t quite right',
        updated: '2017-02-03 22:33:28.000000000',
        range: {
          start_line: 1,
          start_character: 1,
          end_line: 2,
          end_character: 1,
        },
      };
      const comment = comments[1];
      assert.deepEqual(element._setRange(comments, comment), expectedResult);
    });

    test('_setRanges', () => {
      const comments = [
        {
          id: 3,
          in_reply_to: 2,
          message: 'this isn’t quite right either',
          updated: '2017-02-03 22:34:28.000000000',
        },
        {
          id: 2,
          in_reply_to: 1,
          message: 'this isn’t quite right',
          updated: '2017-02-03 22:33:28.000000000',
        },
        {
          id: 1,
          side: 'PARENT',
          message: 'how did this work in the first place?',
          updated: '2017-02-03 22:32:28.000000000',
          range: {
            start_line: 1,
            start_character: 1,
            end_line: 2,
            end_character: 1,
          },
        },
      ];
      const expectedResult = [
        {
          id: 1,
          side: 'PARENT',
          message: 'how did this work in the first place?',
          updated: '2017-02-03 22:32:28.000000000',
          range: {
            start_line: 1,
            start_character: 1,
            end_line: 2,
            end_character: 1,
          },
        },
        {
          id: 2,
          in_reply_to: 1,
          message: 'this isn’t quite right',
          updated: '2017-02-03 22:33:28.000000000',
          range: {
            start_line: 1,
            start_character: 1,
            end_line: 2,
            end_character: 1,
          },
        },
        {
          id: 3,
          in_reply_to: 2,
          message: 'this isn’t quite right either',
          updated: '2017-02-03 22:34:28.000000000',
          range: {
            start_line: 1,
            start_character: 1,
            end_line: 2,
            end_character: 1,
          },
        },
      ];
      assert.deepEqual(element._setRanges(comments), expectedResult);
    });

    test('differing patch diff comments are properly grouped', done => {
      sandbox.stub(element, 'fetchJSON', url => {
        if (url == '/changes/42/revisions/1') {
          return Promise.resolve({
            '/COMMIT_MSG': [],
            'sieve.go': [
              {
                message: 'this isn’t quite right',
                updated: '2017-02-03 22:32:28.000000000',
              },
              {
                side: 'PARENT',
                message: 'how did this work in the first place?',
                updated: '2017-02-03 22:33:28.000000000',
              },
            ],
          });
        } else if (url == '/changes/42/revisions/2') {
          return Promise.resolve({
            '/COMMIT_MSG': [],
            'sieve.go': [
              {
                message: 'What on earth are you thinking, here?',
                updated: '2017-02-03 22:32:28.000000000',
              },
              {
                side: 'PARENT',
                message: 'Yeah not sure how this worked either?',
                updated: '2017-02-03 22:33:28.000000000',
              },
              {
                message: '¯\\_(ツ)_/¯',
                updated: '2017-02-04 22:33:28.000000000',
              },
            ],
          });
        }
      });
      element._getDiffComments('42', '', 1, 2, 'sieve.go').then(
          obj => {
            assert.equal(obj.baseComments.length, 1);
            assert.deepEqual(obj.baseComments[0], {
              message: 'this isn’t quite right',
              path: 'sieve.go',
              updated: '2017-02-03 22:32:28.000000000',
            });
            assert.equal(obj.comments.length, 2);
            assert.deepEqual(obj.comments[0], {
              message: 'What on earth are you thinking, here?',
              path: 'sieve.go',
              updated: '2017-02-03 22:32:28.000000000',
            });
            assert.deepEqual(obj.comments[1], {
              message: '¯\\_(ツ)_/¯',
              path: 'sieve.go',
              updated: '2017-02-04 22:33:28.000000000',
            });
            done();
          });
    });

    test('special file path sorting', () => {
      assert.deepEqual(
          ['.b', '/COMMIT_MSG', '.a', 'file'].sort(
              element.specialFilePathCompare),
          ['/COMMIT_MSG', '.a', '.b', 'file']);

      assert.deepEqual(
          ['.b', '/COMMIT_MSG', 'foo/bar/baz.cc', 'foo/bar/baz.h'].sort(
              element.specialFilePathCompare),
          ['/COMMIT_MSG', '.b', 'foo/bar/baz.h', 'foo/bar/baz.cc']);

      assert.deepEqual(
          ['.b', '/COMMIT_MSG', 'foo/bar/baz.cc', 'foo/bar/baz.hpp'].sort(
              element.specialFilePathCompare),
          ['/COMMIT_MSG', '.b', 'foo/bar/baz.hpp', 'foo/bar/baz.cc']);

      assert.deepEqual(
          ['.b', '/COMMIT_MSG', 'foo/bar/baz.cc', 'foo/bar/baz.hxx'].sort(
              element.specialFilePathCompare),
          ['/COMMIT_MSG', '.b', 'foo/bar/baz.hxx', 'foo/bar/baz.cc']);

      assert.deepEqual(
          ['foo/bar.h', 'foo/bar.hxx', 'foo/bar.hpp'].sort(
              element.specialFilePathCompare),
          ['foo/bar.h', 'foo/bar.hpp', 'foo/bar.hxx']);

      // Regression test for Issue 4448.
      assert.deepEqual(
          [
            'minidump/minidump_memory_writer.cc',
            'minidump/minidump_memory_writer.h',
            'minidump/minidump_thread_writer.cc',
            'minidump/minidump_thread_writer.h',
          ].sort(element.specialFilePathCompare),
          [
            'minidump/minidump_memory_writer.h',
            'minidump/minidump_memory_writer.cc',
            'minidump/minidump_thread_writer.h',
            'minidump/minidump_thread_writer.cc',
          ]);

      // Regression test for Issue 4545.
      assert.deepEqual(
          [
            'task_test.go',
            'task.go',
          ].sort(element.specialFilePathCompare),
          [
            'task.go',
            'task_test.go',
          ]);
    });

    suite('rebase action', () => {
      let resolveFetchJSON;
      setup(() => {
        sandbox.stub(element, 'fetchJSON').returns(
            new Promise(resolve => {
              resolveFetchJSON = resolve;
            }));
      });

      test('no rebase on current', done => {
        element.getChangeRevisionActions('42', '1337').then(
            response => {
              assert.isTrue(response.rebase.enabled);
              assert.isFalse(response.rebase.rebaseOnCurrent);
              done();
            });
        resolveFetchJSON({rebase: {}});
      });

      test('rebase on current', done => {
        element.getChangeRevisionActions('42', '1337').then(
            response => {
              assert.isTrue(response.rebase.enabled);
              assert.isTrue(response.rebase.rebaseOnCurrent);
              done();
            });
        resolveFetchJSON({rebase: {enabled: true}});
      });
    });


    test('server error', done => {
      const getResponseObjectStub = sandbox.stub(element, 'getResponseObject');
      window.fetch.returns(Promise.resolve({ok: false}));
      const serverErrorEventPromise = new Promise(resolve => {
        element.addEventListener('server-error', resolve);
      });

      element.fetchJSON().then(response => {
        assert.isUndefined(response);
        assert.isTrue(getResponseObjectStub.notCalled);
        serverErrorEventPromise.then(() => done());
      });
    });

    test('auth failure', done => {
      const fakeAuthResponse = {
        ok: false,
        status: 403,
      };
      window.fetch.onFirstCall().returns(
          Promise.reject({message: 'Failed to fetch'}));
      window.fetch.onSecondCall().returns(Promise.resolve(fakeAuthResponse));
      // Emulate logged in.
      element._cache['/accounts/self/detail'] = {};
      const serverErrorStub = sandbox.stub();
      element.addEventListener('server-error', serverErrorStub);
      const authErrorStub = sandbox.stub();
      element.addEventListener('auth-error', authErrorStub);
      element.fetchJSON('/bar').then(r => {
        flush(() => {
          assert.isTrue(authErrorStub.called);
          assert.isFalse(serverErrorStub.called);
          assert.isNull(element._cache['/accounts/self/detail']);
          done();
        });
      });
    });

    test('checkCredentials', done => {
      const responses = [
        {
          ok: false,
          status: 403,
          text() { return Promise.resolve(); },
        },
        {
          ok: true,
          status: 200,
          text() { return Promise.resolve(')]}\'{}'); },
        },
      ];
      window.fetch.restore();
      sandbox.stub(window, 'fetch', url => {
        if (url === '/accounts/self/detail') {
          return Promise.resolve(responses.shift());
        }
      });

      element.getLoggedIn().then(account => {
        assert.isNotOk(account);
        element.checkCredentials().then(account => {
          assert.isOk(account);
          done();
        });
      });
    });

    test('legacy n,z key in change url is replaced', () => {
      const stub = sandbox.stub(element, 'fetchJSON');
      element.getChanges(1, null, 'n,z');
      assert.equal(stub.args[0][3].S, 0);
    });

    test('saveDiffPreferences invalidates cache line', () => {
      const cacheKey = '/accounts/self/preferences.diff';
      sandbox.stub(element, 'send');
      element._cache[cacheKey] = {tab_size: 4};
      element.saveDiffPreferences({tab_size: 8});
      assert.isTrue(element.send.called);
      assert.notOk(element._cache[cacheKey]);
    });

    const preferenceSetup = function(testJSON, loggedIn, smallScreen) {
      sandbox.stub(element, 'getLoggedIn', () => {
        return Promise.resolve(loggedIn);
      });
      sandbox.stub(element, '_isNarrowScreen', () => {
        return smallScreen;
      });
      sandbox.stub(element, '_fetchSharedCacheURL', () => {
        return Promise.resolve(testJSON);
      });
    };

    test('getPreferences returns correctly on small screens logged in',
        done => {
          const testJSON = {diff_view: 'SIDE_BY_SIDE'};
          const loggedIn = true;
          const smallScreen = true;

          preferenceSetup(testJSON, loggedIn, smallScreen);

          element.getPreferences().then(obj => {
            assert.equal(obj.default_diff_view, 'UNIFIED_DIFF');
            assert.equal(obj.diff_view, 'SIDE_BY_SIDE');
            done();
          });
        });

    test('getPreferences returns correctly on small screens not logged in',
        done => {
          const testJSON = {diff_view: 'SIDE_BY_SIDE'};
          const loggedIn = false;
          const smallScreen = true;

          preferenceSetup(testJSON, loggedIn, smallScreen);
          element.getPreferences().then(obj => {
            assert.equal(obj.default_diff_view, 'UNIFIED_DIFF');
            assert.equal(obj.diff_view, 'SIDE_BY_SIDE');
            done();
          });
        });

    test('getPreferences returns correctly on larger screens logged in',
        done => {
          const testJSON = {diff_view: 'UNIFIED_DIFF'};
          const loggedIn = true;
          const smallScreen = false;

          preferenceSetup(testJSON, loggedIn, smallScreen);

          element.getPreferences().then(obj => {
            assert.equal(obj.default_diff_view, 'UNIFIED_DIFF');
            assert.equal(obj.diff_view, 'UNIFIED_DIFF');
            done();
          });
        });

    test('getPreferences returns correctly on larger screens not logged in',
        done => {
          const testJSON = {diff_view: 'UNIFIED_DIFF'};
          const loggedIn = false;
          const smallScreen = false;

          preferenceSetup(testJSON, loggedIn, smallScreen);

          element.getPreferences().then(obj => {
            assert.equal(obj.default_diff_view, 'SIDE_BY_SIDE');
            assert.equal(obj.diff_view, 'SIDE_BY_SIDE');
            done();
          });
        });

    test('savPreferences normalizes download scheme', () => {
      sandbox.stub(element, 'send');
      element.savePreferences({download_scheme: 'HTTP'});
      assert.isTrue(element.send.called);
      assert.equal(element.send.lastCall.args[2].download_scheme, 'http');
    });

    test('confirmEmail', () => {
      sandbox.spy(element, 'send');
      element.confirmEmail('foo');
      assert.isTrue(element.send.calledWith(
          'PUT', '/config/server/email.confirm', {token: 'foo'}));
    });

    test('GrReviewerUpdatesParser.parse is used', () => {
      sandbox.stub(GrReviewerUpdatesParser, 'parse').returns(
          Promise.resolve('foo'));
      return element.getChangeDetail(42).then(result => {
        assert.isTrue(GrReviewerUpdatesParser.parse.calledOnce);
        assert.equal(result, 'foo');
      });
    });

    test('setAccountStatus', done => {
      sandbox.stub(element, 'send').returns(Promise.resolve('OOO'));
      sandbox.stub(element, 'getResponseObject')
          .returns(Promise.resolve('OOO'));
      element._cache['/accounts/self/detail'] = {};
      element.setAccountStatus('OOO').then(() => {
        assert.isTrue(element.send.calledWith('PUT', '/accounts/self/status',
            {status: 'OOO'}));
        assert.deepEqual(element._cache['/accounts/self/detail'],
            {status: 'OOO'});
        done();
      });
    });

    test('_sendDiffDraft pending requests tracked', () => {
      const obj = element._pendingRequests;
      sandbox.stub(element, 'send', () => mockPromise());
      sandbox.stub(element, 'getChangeActionURL');
      assert.notOk(element.hasPendingDiffDrafts());

      element._sendDiffDraftRequest(null, null, null, {});
      assert.equal(obj.sendDiffDraft.length, 1);
      assert.isTrue(!!element.hasPendingDiffDrafts());

      element._sendDiffDraftRequest(null, null, null, {});
      assert.equal(obj.sendDiffDraft.length, 2);
      assert.isTrue(!!element.hasPendingDiffDrafts());

      for (const promise of obj.sendDiffDraft) { promise.resolve(); }

      return element.awaitPendingDiffDrafts().then(() => {
        assert.equal(obj.sendDiffDraft.length, 0);
        assert.isFalse(!!element.hasPendingDiffDrafts());
      });
    });

    test('saveChangeEdit', done => {
      const change_num = '1';
      const file_name = 'index.php';
      const file_contents = '<?php';
      sandbox.stub(element, 'send').returns(
          Promise.resolve([change_num, file_name, file_contents])
      );
      sandbox.stub(element, 'getResponseObject')
          .returns(Promise.resolve([change_num, file_name, file_contents]));
      element._cache['/changes/' + change_num + '/edit/' + file_name] = {};
      element.saveChangeEdit(change_num, file_name, file_contents).then(
          () => {
            assert.isTrue(element.send.calledWith('PUT',
                '/changes/' + change_num + '/edit/' + file_name,
                file_contents));
            done();
          }
      );
    });

    test('putChangeCommitMessage', done => {
      const change_num = '1';
      const message = 'this is a commit message';
      sandbox.stub(element, 'send').returns(
          Promise.resolve([change_num, message])
      );
      sandbox.stub(element, 'getResponseObject')
          .returns(Promise.resolve([change_num, message]));
      element._cache['/changes/' + change_num + '/message'] = {};
      element.putChangeCommitMessage(change_num, message).then(
          () => {
            assert.isTrue(element.send.calledWith('PUT',
                '/changes/' + change_num + '/message', {message}));
            done();
          }
      );
    });

    test('startWorkInProgress', () => {
      sandbox.stub(element, 'send').returns(Promise.resolve('ok'));
      element.startWorkInProgress('42');
      assert.isTrue(element.send.calledWith(
          'POST', '/changes/42/wip', {}));
      element.startWorkInProgress('42', 'revising...');
      assert.isTrue(element.send.calledWith(
          'POST', '/changes/42/wip', {message: 'revising...'}));
    });

    test('startReview', () => {
      sandbox.stub(element, 'send').returns(Promise.resolve({}));
      element.startReview('42', {message: 'Please review.'});
      assert.isTrue(element.send.calledWith(
          'POST', '/changes/42/ready', {message: 'Please review.'}));
    });

    test('deleteComment', done => {
      sandbox.stub(element, 'send').returns(Promise.resolve());
      sandbox.stub(element, 'getResponseObject').returns('some response');
      element.deleteComment('foo', 'bar', '01234', 'removal reason')
          .then(response => {
            assert.equal(response, 'some response');
            done();
          });
      assert.isTrue(element.send.calledWith(
          'POST', '/changes/foo/revisions/bar/comments/01234/delete',
          {reason: 'removal reason'}));
    });

    test('createProject encodes name', () => {
      const sendStub = sandbox.stub(element, 'send');
      element.createProject({name: 'x/y'});
      assert.equal(sendStub.lastCall.args[1], '/projects/x%2Fy');
    });

    test('getProjects', () => {
      sandbox.stub(element, '_fetchSharedCacheURL');
      element.getProjects('test', 25);
      assert.isTrue(element._fetchSharedCacheURL.lastCall
          .calledWithExactly('/projects/?d&n=26&S=0&m=test'));

      element.getProjects(null, 25);
      assert.isTrue(element._fetchSharedCacheURL.lastCall
          .calledWithExactly('/projects/?d&n=26&S=0'));

      element.getProjects('test', 25, 25);
      assert.isTrue(element._fetchSharedCacheURL.lastCall
          .calledWithExactly('/projects/?d&n=26&S=25&m=test'));
    });

    test('getProjects filter', () => {
      sandbox.stub(element, '_fetchSharedCacheURL');
      element.getProjects('test/test/test', 25);
      assert.isTrue(element._fetchSharedCacheURL.lastCall
          .calledWithExactly('/projects/?d&n=26&S=0&m=test%2Ftest%2Ftest'));
    });

    test('getProjects filter regex', () => {
      sandbox.stub(element, '_fetchSharedCacheURL');
      element.getProjects('^test.*', 25);
      assert.isTrue(element._fetchSharedCacheURL.lastCall
          .calledWithExactly('/projects/?d&n=26&S=0&r=%5Etest.*'));
    });

    test('getGroups filter regex', () => {
      sandbox.stub(element, '_fetchSharedCacheURL');
      element.getGroups('^test.*', 25);
      assert.isTrue(element._fetchSharedCacheURL.lastCall
          .calledWithExactly('/groups/?n=26&S=0&r=%5Etest.*'));
    });

    test('gerrit auth is used by default', () => {
      sandbox.stub(GrGerritAuth.prototype, 'fetch').returns(Promise.resolve());
      element.fetchJSON('foo');
      assert(GrGerritAuth.prototype.fetch.called);
    });

    test('gapi auth is enabled with USE_GAPI_AUTH', () => {
      window.USE_GAPI_AUTH = true;
      sandbox.stub(GrGapiAuth.prototype, 'fetch').returns(Promise.resolve());
      element = fixture('basic');
      element.fetchJSON('foo');
      assert(GrGapiAuth.prototype.fetch.called);
      delete window.USE_GAPI_AUTH;
    });

    test('getSuggestedAccounts does not return fetchJSON', () => {
      const fetchJSONSpy = sandbox.spy(element, 'fetchJSON');
      return element.getSuggestedAccounts().then(accts => {
        assert.isFalse(fetchJSONSpy.called);
        assert.equal(accts.length, 0);
      });
    });

    test('fetchJSON gets called by getSuggestedAccounts', () => {
      const fetchJSONStub = sandbox.stub(element, 'fetchJSON',
          () => Promise.resolve());
      return element.getSuggestedAccounts('own').then(() => {
        assert.deepEqual(fetchJSONStub.lastCall.args[3], {
          q: 'own',
          suggest: null,
        });
      });
    });

    test('_getChangeDetail passes params to ETags decorator', () => {
      const changeNum = 4321;
      const params = {foo: 'bar'};
      const expectedUrl = element._urlWithParams(
          element.getChangeActionURL(changeNum, null, '/detail'),
          params);
      sandbox.stub(element._etags, 'getOptions');
      sandbox.stub(element._etags, 'collect');
      return element._getChangeDetail(changeNum, params).then(() => {
        assert.isTrue(element._etags.getOptions.calledWithExactly(expectedUrl));
        assert.equal(element._etags.collect.lastCall.args[0], expectedUrl);
      });
    });
  });
</script>