polygerrit-ui/app/elements/edit/gr-editor-view/gr-editor-view_test.html

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

<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<link rel="import" href="../../../test/common-test-setup.html"/>

<link rel="import" href="gr-editor-view.html">

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

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

<script>
suite('gr-editor-view tests', () => {
  let element;
  let sandbox;
  let savePathStub;
  let saveFileStub;
  let changeDetailStub;
  let navigateStub;
  const mockParams = {
    changeNum: '42',
    path: 'foo/bar.baz',
  };

  setup(() => {
    stub('gr-rest-api-interface', {
      getEditPrefs() { return Promise.resolve({}); },
    });
    sandbox = sinon.sandbox.create();
    element = fixture('basic');
    savePathStub = sandbox.stub(element.$.restAPI, 'renameFileInChangeEdit');
    saveFileStub = sandbox.stub(element.$.restAPI, 'saveChangeEdit');
    changeDetailStub = sandbox.stub(element.$.restAPI, 'getDiffChangeDetail');
    navigateStub = sandbox.stub(element, '_viewEditInChangeView');
  });

  teardown(() => { sandbox.restore(); });

  suite('_paramsChanged', () => {
    test('incorrect view returns immediately', () => {
      element._paramsChanged(
          Object.assign({}, mockParams, {view: Gerrit.Nav.View.DIFF}));
      assert.notOk(element._changeNum);
    });

    test('good params proceed', () => {
      changeDetailStub.returns(Promise.resolve({}));
      const fileStub = sandbox.stub(element, '_getFileContent')
          .returns(Promise.resolve('text'));

      const promises = element._paramsChanged(
          Object.assign({}, mockParams, {view: Gerrit.Nav.View.EDIT}));

      flushAsynchronousOperations();
      assert.equal(element._changeNum, mockParams.changeNum);
      assert.equal(element._path, mockParams.path);
      assert.deepEqual(changeDetailStub.lastCall.args[0],
          mockParams.changeNum);
      assert.deepEqual(fileStub.lastCall.args,
          [mockParams.changeNum, mockParams.path]);

      return promises.then(() => {
        assert.equal(element._content, 'text');
        assert.equal(element._newContent, 'text');
      });
    });
  });

  test('edit file path', done => {
    element._changeNum = mockParams.changeNum;
    element._path = mockParams.path;
    savePathStub.onFirstCall().returns(Promise.resolve({}));
    savePathStub.onSecondCall().returns(Promise.resolve({ok: true}));

    // Calling with the same path should not navigate.
    element._handlePathChanged({detail: mockParams.path}).then(() => {
      assert.isFalse(savePathStub.called);
        // !ok response
      element._handlePathChanged({detail: 'newPath'}).then(() => {
        assert.isTrue(savePathStub.called);
        assert.isFalse(navigateStub.called);
        // ok response
        element._handlePathChanged({detail: 'newPath'}).then(() => {
          assert.isTrue(navigateStub.called);
          done();
        });
      });
    });
  });

  suite('edit file content', () => {
    const originalText = 'file text';
    const newText = 'file text changed';

    setup(() => {
      element._changeNum = mockParams.changeNum;
      element._path = mockParams.path;
      element._content = originalText;
      element._newContent = originalText;
      flushAsynchronousOperations();
    });

    test('initial load', () => {
      assert.equal(element.$.file.value, originalText);
      assert.isTrue(element.$.save.hasAttribute('disabled'));
    });

    test('file modification and save, !ok response', done => {
      const saveSpy = sandbox.spy(element, '_saveEdit');
      saveFileStub.returns(Promise.resolve({ok: false}));
      element._newContent = newText;
      flushAsynchronousOperations();

      assert.equal(element.$.file.value, newText);
      assert.isFalse(element.$.save.hasAttribute('disabled'));

      MockInteractions.tap(element.$.save);
      assert(saveSpy.called);
      saveSpy.lastCall.returnValue.then(() => {
        assert.isTrue(saveFileStub.called);
        assert.deepEqual(saveFileStub.lastCall.args,
            [mockParams.changeNum, mockParams.path, newText]);
        assert.isFalse(navigateStub.called);
        done();
      });
    });

    test('file modification and save', done => {
      const saveSpy = sandbox.spy(element, '_saveEdit');
      saveFileStub.returns(Promise.resolve({ok: true}));
      element._newContent = newText;
      flushAsynchronousOperations();

      assert.equal(element.$.file.value, newText);
      assert.isFalse(element.$.save.hasAttribute('disabled'));

      MockInteractions.tap(element.$.save);
      assert.isTrue(saveSpy.called);
      saveSpy.lastCall.returnValue.then(() => {
        assert.isTrue(saveFileStub.called);
        assert.isTrue(navigateStub.called);
        done();
      });
    });

    test('file modification and cancel', () => {
      const cancelSpy = sandbox.spy(element, '_handleCancelTap');
      element._newContent = newText;
      flushAsynchronousOperations();

      assert.equal(element.$.file.value, newText);
      assert.isFalse(element.$.save.hasAttribute('disabled'));

      MockInteractions.tap(element.$.cancel);
      assert.isTrue(cancelSpy.called);
      assert.isFalse(saveFileStub.called);
      assert.isTrue(navigateStub.called);
    });
  });
});
</script>