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Copyright (C) 2015 The Android Open Source Project

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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-diff-view</title>

<script src="../../../bower_components/webcomponentsjs/webcomponents.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<script src="../../../bower_components/page/page.js"></script>
<script src="../../../scripts/fake-app.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-diff-view.html">

<test-fixture id="basic">
  <template>
    <gr-diff-view></gr-diff-view>
  </template>
</test-fixture>

<script>
  suite('gr-diff-view tests', function() {
    var element;
    var server;

    setup(function() {
      element = fixture('basic');
      element.$.changeDetailXHR.auto = false;
      element.$.filesXHR.auto = false;
      element.$.configXHR.auto = false;
      element.$.diff.auto = false;

      server = sinon.fakeServer.create();
      server.respondWith(
        'PUT',
        '/changes/42/revisions/2/files/%2FCOMMIT_MSG/reviewed',
        [
          201,
          {'Content-Type': 'application/json'},
          ')]}\'\n' +
          '""',
        ]
      );
      server.respondWith(
        'DELETE',
        '/changes/42/revisions/2/files/%2FCOMMIT_MSG/reviewed',
        [
          204,
          {'Content-Type': 'application/json'},
          '',
        ]
      );
    });

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

    test('keyboard shortcuts', function() {
      element._changeNum = '42';
      element._patchRange = {
        patchNum: '10',
      };
      element._change = {
        revisions: {
          a: { _number: 10, },
        },
      };
      element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
      element._path = 'glados.txt';
      element.changeViewState.selectedFileIndex = 1;

      var showStub = sinon.stub(page, 'show');
      MockInteractions.pressAndReleaseKeyOn(element, 85);  // 'u'
      assert(showStub.lastCall.calledWithExactly('/c/42/'),
          'Should navigate to /c/42/');

      MockInteractions.pressAndReleaseKeyOn(element, 221);  // ']'
      assert(showStub.lastCall.calledWithExactly('/c/42/10/wheatley.md'),
          'Should navigate to /c/42/10/wheatley.md');
      element._path = 'wheatley.md';
      assert.equal(element.changeViewState.selectedFileIndex, 2);

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/10/glados.txt'),
          'Should navigate to /c/42/10/glados.txt');
      element._path = 'glados.txt';
      assert.equal(element.changeViewState.selectedFileIndex, 1);

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/10/chell.go'),
          'Should navigate to /c/42/10/chell.go');
      element._path = 'chell.go';
      assert.equal(element.changeViewState.selectedFileIndex, 0);

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/'),
          'Should navigate to /c/42/');
      assert.equal(element.changeViewState.selectedFileIndex, 0);

      var showPrefsStub = sinon.stub(element.$.diff, 'showDiffPreferences');
      MockInteractions.pressAndReleaseKeyOn(element, 188);  // ','
      assert(showPrefsStub.calledOnce);

      var scrollStub = sinon.stub(element.$.diff, 'scrollToNextDiffChunk');
      MockInteractions.pressAndReleaseKeyOn(element, 78);  // 'n'
      assert(scrollStub.calledOnce);
      scrollStub.restore();

      scrollStub = sinon.stub(element.$.diff, 'scrollToPreviousDiffChunk');
      MockInteractions.pressAndReleaseKeyOn(element, 80);  // 'p'
      assert(scrollStub.calledOnce);
      scrollStub.restore();

      scrollStub = sinon.stub(element.$.diff, 'scrollToNextCommentThread');
      MockInteractions.pressAndReleaseKeyOn(element, 78, ['shift']);  // 'N'
      assert(scrollStub.calledOnce);
      scrollStub.restore();

      scrollStub = sinon.stub(element.$.diff, 'scrollToPreviousCommentThread');
      MockInteractions.pressAndReleaseKeyOn(element, 80, ['shift']);  // 'P'
      assert(scrollStub.calledOnce);
      scrollStub.restore();

      showPrefsStub.restore();
      showStub.restore();
    });

    test('keyboard shortcuts with patch range', function() {
      element._changeNum = '42';
      element._patchRange = {
        basePatchNum: '5',
        patchNum: '10',
      };
      element._change = {
        revisions: {
          a: { _number: 10, },
        },
      };
      element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
      element._path = 'glados.txt';

      var showStub = sinon.stub(page, 'show');

      MockInteractions.pressAndReleaseKeyOn(element, 65);  // 'a'
      assert.isTrue(showStub.notCalled, 'The `a` keyboard shortcut should ' +
          'only work when the user is logged in.');
      assert.isNull(window.sessionStorage.getItem(
          'changeView.showReplyDialog'));

      element._loggedIn = true;
      MockInteractions.pressAndReleaseKeyOn(element, 65);  // 'a'
      assert.isTrue(element.changeViewState.showReplyDialog);

      assert(showStub.lastCall.calledWithExactly('/c/42/'),
          'Should navigate to /c/42/');

      MockInteractions.pressAndReleaseKeyOn(element, 85);  // 'u'
      assert(showStub.lastCall.calledWithExactly('/c/42/'),
          'Should navigate to /c/42/');

      MockInteractions.pressAndReleaseKeyOn(element, 221);  // ']'
      assert(showStub.lastCall.calledWithExactly('/c/42/5..10/wheatley.md'),
          'Should navigate to /c/42/5..10/wheatley.md');
      element._path = 'wheatley.md';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/5..10/glados.txt'),
          'Should navigate to /c/42/5..10/glados.txt');
      element._path = 'glados.txt';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/5..10/chell.go'),
          'Should navigate to /c/42/5..10/chell.go');
      element._path = 'chell.go';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/'),
          'Should navigate to /c/42/');

      showStub.restore();
    });

    test('keyboard shortcuts with old patch number', function() {
      element._changeNum = '42';
      element._patchRange = {
        patchNum: '1',
      };
      element._change = {
        revisions: {
          a: { _number: 1, },
          b: { _number: 2, },
        },
      };
      element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
      element._path = 'glados.txt';

      var showStub = sinon.stub(page, 'show');

      MockInteractions.pressAndReleaseKeyOn(element, 65);  // 'a'
      assert.isTrue(showStub.notCalled, 'The `a` keyboard shortcut should ' +
          'only work when the user is logged in.');
      assert.isNull(window.sessionStorage.getItem(
          'changeView.showReplyDialog'));

      element._loggedIn = true;
      MockInteractions.pressAndReleaseKeyOn(element, 65);  // 'a'
      assert.isTrue(element.changeViewState.showReplyDialog);

      assert(showStub.lastCall.calledWithExactly('/c/42/1'),
          'Should navigate to /c/42/1');

      MockInteractions.pressAndReleaseKeyOn(element, 85);  // 'u'
      assert(showStub.lastCall.calledWithExactly('/c/42/1'),
          'Should navigate to /c/42/1');

      MockInteractions.pressAndReleaseKeyOn(element, 221);  // ']'
      assert(showStub.lastCall.calledWithExactly('/c/42/1/wheatley.md'),
          'Should navigate to /c/42/1/wheatley.md');
      element._path = 'wheatley.md';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/1/glados.txt'),
          'Should navigate to /c/42/1/glados.txt');
      element._path = 'glados.txt';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/1/chell.go'),
          'Should navigate to /c/42/1/chell.go');
      element._path = 'chell.go';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/1'),
          'Should navigate to /c/42/1');

      showStub.restore();
    });

    test('go up to change via kb without change loaded', function() {
      element._changeNum = '42';
      element._patchRange = {
        patchNum: '1',
      };

      element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
      element._path = 'glados.txt';

      var showStub = sinon.stub(page, 'show');

      MockInteractions.pressAndReleaseKeyOn(element, 65);  // 'a'
      assert.isTrue(showStub.notCalled, 'The `a` keyboard shortcut should ' +
          'only work when the user is logged in.');
      assert.isNull(window.sessionStorage.getItem(
          'changeView.showReplyDialog'));

      element._loggedIn = true;
      MockInteractions.pressAndReleaseKeyOn(element, 65);  // 'a'
      assert.isTrue(element.changeViewState.showReplyDialog);

      assert(showStub.lastCall.calledWithExactly('/c/42/1'),
          'Should navigate to /c/42/1');

      MockInteractions.pressAndReleaseKeyOn(element, 85);  // 'u'
      assert(showStub.lastCall.calledWithExactly('/c/42/1'),
          'Should navigate to /c/42/1');

      MockInteractions.pressAndReleaseKeyOn(element, 221);  // ']'
      assert(showStub.lastCall.calledWithExactly('/c/42/1/wheatley.md'),
          'Should navigate to /c/42/1/wheatley.md');
      element._path = 'wheatley.md';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/1/glados.txt'),
          'Should navigate to /c/42/1/glados.txt');
      element._path = 'glados.txt';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/1/chell.go'),
          'Should navigate to /c/42/1/chell.go');
      element._path = 'chell.go';

      MockInteractions.pressAndReleaseKeyOn(element, 219);  // '['
      assert(showStub.lastCall.calledWithExactly('/c/42/1'),
          'Should navigate to /c/42/1');

      showStub.restore();
    });

    test('jump to file dropdown', function() {
      element._changeNum = '42';
      element._patchRange = {
        patchNum: '10',
      };
      element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
      element._path = 'glados.txt';
      flushAsynchronousOperations();
      var linkEls =
          Polymer.dom(element.root).querySelectorAll('.dropdown-content > a');
      assert.equal(linkEls.length, 3);
      assert.isFalse(linkEls[0].hasAttribute('selected'));
      assert.isTrue(linkEls[1].hasAttribute('selected'));
      assert.isFalse(linkEls[2].hasAttribute('selected'));
      assert.equal(linkEls[0].getAttribute('data-key-nav'), '[');
      assert.equal(linkEls[1].getAttribute('data-key-nav'), '');
      assert.equal(linkEls[2].getAttribute('data-key-nav'), ']');
      assert.equal(linkEls[0].getAttribute('href'), '/c/42/10/chell.go');
      assert.equal(linkEls[1].getAttribute('href'), '/c/42/10/glados.txt');
      assert.equal(linkEls[2].getAttribute('href'), '/c/42/10/wheatley.md');

      assert.equal(element._computeFileDisplayName('/foo/bar/baz'),
          '/foo/bar/baz');
      assert.equal(element._computeFileDisplayName('/COMMIT_MSG'),
          'Commit message');
    });

    test('jump to file dropdown with patch range', function() {
      element._changeNum = '42';
      element._patchRange = {
        basePatchNum: '5',
        patchNum: '10',
      };
      element._fileList = ['chell.go', 'glados.txt', 'wheatley.md'];
      element._path = 'glados.txt';
      flushAsynchronousOperations();
      var linkEls =
          Polymer.dom(element.root).querySelectorAll('.dropdown-content > a');
      assert.equal(linkEls.length, 3);
      assert.isFalse(linkEls[0].hasAttribute('selected'));
      assert.isTrue(linkEls[1].hasAttribute('selected'));
      assert.isFalse(linkEls[2].hasAttribute('selected'));
      assert.equal(linkEls[0].getAttribute('data-key-nav'), '[');
      assert.equal(linkEls[1].getAttribute('data-key-nav'), '');
      assert.equal(linkEls[2].getAttribute('data-key-nav'), ']');
      assert.equal(linkEls[0].getAttribute('href'), '/c/42/5..10/chell.go');
      assert.equal(linkEls[1].getAttribute('href'), '/c/42/5..10/glados.txt');
      assert.equal(linkEls[2].getAttribute('href'), '/c/42/5..10/wheatley.md');
    });

    test('file review status', function(done) {
      element._loggedIn = true;
      element._changeNum = '42';
      element._patchRange = {
        basePatchNum: '1',
        patchNum: '2',
      };
      element._fileList = ['/COMMIT_MSG'];
      element._path = '/COMMIT_MSG';

      server.respond();

      element.async(function() {
        var commitMsg = Polymer.dom(element.root).querySelector(
            'input[type="checkbox"]');

        assert.isTrue(commitMsg.checked);

        MockInteractions.tap(commitMsg);
        server.respond();
        element._xhrPromise.then(function(req) {
          assert.isFalse(commitMsg.checked);
          assert.equal(req.status, 204);
          assert.equal(req.url,
              '/changes/42/revisions/2/files/%2FCOMMIT_MSG/reviewed');

          MockInteractions.tap(commitMsg);
          server.respond();
        }).then(function() {
          element._xhrPromise.then(function(req) {
            assert.isTrue(commitMsg.checked);
            assert.equal(req.status, 201);
            assert.equal(req.url,
                '/changes/42/revisions/2/files/%2FCOMMIT_MSG/reviewed');

            done();
          });
        });
      }, 1);
    });
  });
</script>