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

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

<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<link rel="import" href="gr-patch-range-select.html">

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

<test-fixture id="basic">
  <template>
    <gr-patch-range-select auto></gr-patch-range-select>
  </template>
</test-fixture>

<script>
  suite('gr-patch-range-select tests', () => {
    let element;

    setup(() => {
      element = fixture('basic');
    });

    test('enabled/disabled options', () => {
      const patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '3',
      };
      for (const patchNum of ['1', '2', '3']) {
        assert.isFalse(element._computeRightDisabled(patchNum, patchRange));
      }
      for (const patchNum of ['PARENT', '1', '2']) {
        assert.isFalse(element._computeLeftDisabled(patchNum, patchRange));
      }
      assert.isTrue(element._computeLeftDisabled('3', patchRange));

      patchRange.basePatchNum = '2';
      assert.isTrue(element._computeLeftDisabled('3', patchRange));
      assert.isTrue(element._computeRightDisabled('1', patchRange));
      assert.isTrue(element._computeRightDisabled('2', patchRange));
      assert.isFalse(element._computeRightDisabled('3', patchRange));
    });

    test('navigation', done => {
      const showStub = sinon.stub(page, 'show');
      const leftSelectEl = element.$.leftPatchSelect;
      const rightSelectEl = element.$.rightPatchSelect;
      const blurSpy = sinon.spy(leftSelectEl, 'blur');
      element.changeNum = '42';
      element.path = 'path/to/file.txt';
      element.availablePatches = ['1', '2', '3'];
      element.patchRange = {
        basePatchNum: 'PARENT',
        patchNum: '3',
      };
      flushAsynchronousOperations();

      let numEvents = 0;
      leftSelectEl.addEventListener('change', e => {
        numEvents++;
        if (numEvents == 1) {
          assert(showStub.lastCall.calledWithExactly(
              '/c/42/3/path/to/file.txt'),
              'Should navigate to /c/42/3/path/to/file.txt');
          leftSelectEl.value = '1';
          element.fire('change', {}, {node: leftSelectEl});
          assert(blurSpy.called, 'Dropdown should be blurred after selection');
        } else if (numEvents == 2) {
          assert(showStub.lastCall.calledWithExactly(
              '/c/42/1..3/path/to/file.txt'),
              'Should navigate to /c/42/1..3/path/to/file.txt');
          showStub.restore();
          done();
        }
      });
      leftSelectEl.value = 'PARENT';
      rightSelectEl.value = '3';
      element.fire('change', {}, {node: leftSelectEl});
    });

    test('filesWeblinks', () => {
      element.filesWeblinks = {
        meta_a: [
          {
            name: 'foo',
            url: 'f.oo',
          },
        ],
        meta_b: [
          {
            name: 'bar',
            url: 'ba.r',
          },
        ],
      };
      flushAsynchronousOperations();
      const domApi = Polymer.dom(element.root);
      assert.equal(
          domApi.querySelector('a[href="f.oo"]').textContent, 'foo');
      assert.equal(
          domApi.querySelector('a[href="ba.r"]').textContent, 'bar');
    });
  });
</script>