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<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>
<script src="../../../scripts/util.js"></script>

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<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', function() {
    var element;
    var sandbox;

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

    teardown(function() {
      sandbox.restore();
    });

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

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

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

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

    test('params are properly encoded', function() {
      var 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', function(done) {
      var cancelCalled = false;
      window.fetch.returns(Promise.resolve({
        body: {
          cancel: function() { cancelCalled = true; },
        },
      }));
      element.fetchJSON('/dummy/url', null, function() { return true; }).then(
        function(obj) {
          assert.isUndefined(obj);
          assert.isTrue(cancelCalled);
          done();
        });
    });

    test('parent diff comments are properly grouped', function(done) {
      sandbox.stub(element, 'fetchJSON', function() {
        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(
        function(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', function() {
      var 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',
        },
      ];
      var 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,
        },
      };
      var comment = comments[1];
      assert.deepEqual(element._setRange(comments, comment), expectedResult);
    });

    test('_setRanges', function() {
      var 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,
          },
        },
      ];
      var 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', function(done) {
      sandbox.stub(element, 'fetchJSON', function(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(
        function(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', function() {
      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', function() {
      var resolveFetchJSON;
      setup(function() {
        sandbox.stub(element, 'fetchJSON').returns(
            new Promise(function(resolve) {
              resolveFetchJSON = resolve;
            }));
      });

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

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


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

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

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

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

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

    test('saveDiffPreferences invalidates cache line', function() {
      var 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]);
    });

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

    test('getPreferences returns correctly on small screens logged in',
        function(done) {

      var testJSON = {diff_view: 'SIDE_BY_SIDE'};
      var loggedIn = true;
      var smallScreen = true;

      preferenceSetup(testJSON, loggedIn, smallScreen);

      element.getPreferences().then(function(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',
          function(done) {

      var testJSON = {diff_view: 'SIDE_BY_SIDE'};
      var loggedIn = false;
      var smallScreen = true;

      preferenceSetup(testJSON, loggedIn, smallScreen);
      element.getPreferences().then(function(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',
        function(done) {
      var testJSON = {diff_view: 'UNIFIED_DIFF'};
      var loggedIn = true;
      var smallScreen = false;

      preferenceSetup(testJSON, loggedIn, smallScreen);

      element.getPreferences().then(function(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',
        function(done) {
      var testJSON = {diff_view: 'UNIFIED_DIFF'};
      var loggedIn = false;
      var smallScreen = false;

      preferenceSetup(testJSON, loggedIn, smallScreen);

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

    test('savPreferences normalizes download scheme', function() {
      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', function() {
      sandbox.spy(element, 'send');
      element.confirmEmail('foo');
      assert.isTrue(element.send.calledWith(
          'PUT', '/config/server/email.confirm', {token: 'foo'}));
    });

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

    test('setAccountStatus', function(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(function() {
        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', function(done) {
      sandbox.stub(element, 'send', function() {
        assert.equal(element._pendingRequests.sendDiffDraft, 1);
        return Promise.resolve([]);
      });
      element.saveDiffDraft('', 1, 1).then(function() {
        assert.equal(element._pendingRequests.sendDiffDraft, 0);
        element.deleteDiffDraft('', 1, 1).then(function() {
          assert.equal(element._pendingRequests.sendDiffDraft, 0);
          done();
        });
      });
    });

    test('saveChangeEdit', function(done) {
      var change_num = '1';
      var file_name = 'index.php';
      var 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(
          function() {
            assert.isTrue(element.send.calledWith('PUT',
                '/changes/' + change_num + '/edit/' + file_name,
                file_contents));
            done();
          }
      );
    });
  });
</script>