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

<script src="../../../bower_components/webcomponentsjs/webcomponents.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="gr-change-table-editor.html">

<test-fixture id="basic">
  <template>
    <gr-change-table-editor></gr-change-table-editor>
  </template>
</test-fixture>

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

    // Click the up/down button (according to direction) for the index'th row.
    // The index of the first row is 0, corresponding to the array.
    function move(element, index, direction) {
      var selector =
          'tr:nth-child(' + (index + 1) + ') .move-' + direction + '-button';
      var button = element.$$('tbody').querySelector(selector);
      MockInteractions.tap(button);
      flushAsynchronousOperations();
    }

    setup(function() {
      element = fixture('basic');
      columns = [
        'Subject',
        'Status',
        'Owner',
        'Project',
        'Branch',
        'Updated',
      ];

      columnsNotDisplayed = ['Size'];

      element.set('changeTableItems', columns);
      element.set('changeTableNotDisplayed', columnsNotDisplayed);
      flushAsynchronousOperations();
    });

    test('renders', function() {
      var rows = element.$$('tbody').querySelectorAll('tr');
      var tds;

      assert.equal(rows.length, columns.length);
      for (var i = 0; i < columns.length; i++) {
        tds = rows[i].querySelectorAll('td');
        assert.equal(tds[0].textContent, columns[i]);
      }
    });

    test('add hidden item', function() {
      var originalNumberColumns = element.changeTableItems.length;
      var originalNumberHiddenColumns = element.changeTableNotDisplayed.length;

      var addBtn = element.$$('.addOptions gr-button');
      var columnName = element.$$('.addOptions tr td').innerHTML;

      assert.equal(element.$$('.addOptions').style.display, '');

      MockInteractions.tap(addBtn);
      flushAsynchronousOperations();

      assert.equal(element.changeTableItems.length, originalNumberColumns + 1);
      assert.equal(element.changeTableNotDisplayed.length,
          originalNumberHiddenColumns - 1);

      assert.equal(
          element.changeTableItems[element.changeTableItems.length - 1],
          columnName);

      assert.equal(element.$$('.addOptions').style.display, 'none');
    });

    test('remove item', function() {
      var columns = element.changeTableItems.length;
      assert.deepEqual(element.changeTableItems, [
        'Subject',
        'Status',
        'Owner',
        'Project',
        'Branch',
        'Updated',
      ]);

      // Tap the delete button for the second item.
      MockInteractions.tap(
          element.$$('tbody').querySelector('tr:nth-child(2) .remove-button'));

      assert.deepEqual(element.changeTableItems, [
        'Subject',
        'Owner',
        'Project',
        'Branch',
        'Updated',
      ]);

      assert.deepEqual(element.changeTableNotDisplayed, [
        'Status',
        'Size',
      ]);

      // Delete remaining items.
      for (var i = 0; i < columns - 1; i++) {
        MockInteractions.tap(
            element.$$('tbody').querySelector('tr:first-child .remove-button'));
      }
      assert.deepEqual(element.changeTableItems, []);
      assert.deepEqual(element.changeTableNotDisplayed, [
        'Subject',
        'Status',
        'Owner',
        'Project',
        'Branch',
        'Updated',
        'Size',
      ]);
    });

    test('add item', function() {

      element.set('changeTableItems', [
        'Status',
        'Owner',
        'Project',
        'Branch',
        'Updated',
      ]);

      element.set('changeTableNotDisplayed', ['Subject', 'Size']);

      var columns = element.changeTableItems.length;
      flushAsynchronousOperations();

      // Tap the add button for the second item.
      MockInteractions.tap(
          element.$$('.addOptions').querySelector(
              'tr:nth-child(2) .add-button'));

      flushAsynchronousOperations();
      assert.deepEqual(element.changeTableItems, [
        'Status',
        'Owner',
        'Project',
        'Branch',
        'Updated',
        'Size',
      ]);
      assert.deepEqual(element.changeTableNotDisplayed, ['Subject']);

      // Add remaining item.
      MockInteractions.tap(
            element.$$('.addOptions').querySelector('.add-button'));
      flushAsynchronousOperations();

      assert.deepEqual(element.changeTableNotDisplayed, []);
      assert.deepEqual(element.changeTableItems, [
        'Subject',
        'Status',
        'Owner',
        'Project',
        'Branch',
        'Updated',
        'Size'
      ]);
    });
  });
</script>