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Copyright (C) 2015 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
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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="../elements/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;

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

    test('keyboard shortcuts', function() {
      element._changeNum = '42';
      element._patchRange = {
        patchNum: '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);

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

    test('keyboard shortcuts 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';

      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.showReplyDropdown'));

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

      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');
    });

    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');
    });

    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');
    });
  });
</script>