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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/custom-elements-es5-adapter.js"></script>

<script src="/bower_components/webcomponentsjs/webcomponents-lite.js"></script>
<script src="/bower_components/web-component-tester/browser.js"></script>
<script src="../../../test/test-pre-setup.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', async () => {
    await readyToTest();
    let element;
    let sandbox;
    let savePathStub;
    let saveFileStub;
    let changeDetailStub;
    let navigateStub;
    const mockParams = {
      changeNum: '42',
      path: 'foo/bar.baz',
      patchNum: 'edit',
    };
  
    setup(() => {
      stub('gr-rest-api-interface', {
        getLoggedIn() { return Promise.resolve(true); },
        getEditPreferences() { 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, '_getFileData', () => {
          element._content = 'text';
          element._newContent = 'text';
          element._type = 'application/octet-stream';
        });
  
        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, mockParams.patchNum]);
  
        return promises.then(() => {
          assert.equal(element._content, 'text');
          assert.equal(element._newContent, 'text');
          assert.equal(element._type, 'application/octet-stream');
        });
      });
    });
  
    test('edit file path', () => {
      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.
      return 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);
            assert.isTrue(element._successfulSave);
          });
        });
      });
    });
  
    test('reacts to content-change event', () => {
      const storeStub = sandbox.spy(element.$.storage, 'setEditableContentItem');
      element._newContent = 'test';
      element.$.editorEndpoint.dispatchEvent(new CustomEvent('content-change', {
        bubbles: true, composed: true,
        detail: {value: 'new content value'},
      }));
      element.flushDebouncer('store');
      flushAsynchronousOperations();
  
      assert.equal(element._newContent, 'new content value');
      assert.isTrue(storeStub.called);
      assert.equal(storeStub.lastCall.args[1], 'new content value');
    });
  
    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.$.file.fileContent, originalText);
        assert.isTrue(element.$.save.hasAttribute('disabled'));
      });
  
      test('file modification and save, !ok response', () => {
        const saveSpy = sandbox.spy(element, '_saveEdit');
        const eraseStub = sandbox.stub(element.$.storage,
            'eraseEditableContentItem');
        const alertStub = sandbox.stub(element, '_showAlert');
        saveFileStub.returns(Promise.resolve({ok: false}));
        element._newContent = newText;
        flushAsynchronousOperations();
  
        assert.isFalse(element.$.save.hasAttribute('disabled'));
        assert.isFalse(element._saving);
  
        MockInteractions.tap(element.$.save);
        assert.isTrue(saveSpy.called);
        assert.equal(alertStub.lastCall.args[0], 'Saving changes...');
        assert.isTrue(element._saving);
        assert.isTrue(element.$.save.hasAttribute('disabled'));
  
        return saveSpy.lastCall.returnValue.then(() => {
          assert.isTrue(saveFileStub.called);
          assert.isTrue(eraseStub.called);
          assert.isFalse(element._saving);
          assert.equal(alertStub.lastCall.args[0], 'Failed to save changes');
          assert.deepEqual(saveFileStub.lastCall.args,
              [mockParams.changeNum, mockParams.path, newText]);
          assert.isFalse(navigateStub.called);
          assert.isFalse(element.$.save.hasAttribute('disabled'));
          assert.notEqual(element._content, element._newContent);
        });
      });
  
      test('file modification and save', () => {
        const saveSpy = sandbox.spy(element, '_saveEdit');
        const alertStub = sandbox.stub(element, '_showAlert');
        saveFileStub.returns(Promise.resolve({ok: true}));
        element._newContent = newText;
        flushAsynchronousOperations();
  
        assert.isFalse(element._saving);
        assert.isFalse(element.$.save.hasAttribute('disabled'));
  
        MockInteractions.tap(element.$.save);
        assert.isTrue(saveSpy.called);
        assert.equal(alertStub.lastCall.args[0], 'Saving changes...');
        assert.isTrue(element._saving);
        assert.isTrue(element.$.save.hasAttribute('disabled'));
  
        return saveSpy.lastCall.returnValue.then(() => {
          assert.isTrue(saveFileStub.called);
          assert.isFalse(element._saving);
          assert.equal(alertStub.lastCall.args[0], 'All changes saved');
          assert.isFalse(navigateStub.called);
          assert.isTrue(element.$.save.hasAttribute('disabled'));
          assert.equal(element._content, element._newContent);
          assert.isTrue(element._successfulSave);
        });
      });
  
      test('file modification and close', () => {
        const closeSpy = sandbox.spy(element, '_handleCloseTap');
        element._newContent = newText;
        flushAsynchronousOperations();
  
        assert.isFalse(element.$.save.hasAttribute('disabled'));
  
        MockInteractions.tap(element.$.close);
        assert.isTrue(closeSpy.called);
        assert.isFalse(saveFileStub.called);
        assert.isTrue(navigateStub.called);
      });
    });
  
    suite('_getFileData', () => {
      setup(() => {
        element._newContent = 'initial';
        element._content = 'initial';
        element._type = 'initial';
        sandbox.stub(element.$.storage, 'getEditableContentItem').returns(null);
      });
  
      test('res.ok', () => {
        sandbox.stub(element.$.restAPI, 'getFileContent')
            .returns(Promise.resolve({
              ok: true,
              type: 'text/javascript',
              content: 'new content',
            }));
  
        // Ensure no data is set with a bad response.
        return element._getFileData('1', 'test/path', 'edit').then(() => {
          assert.equal(element._newContent, 'new content');
          assert.equal(element._content, 'new content');
          assert.equal(element._type, 'text/javascript');
        });
      });
  
      test('!res.ok', () => {
        sandbox.stub(element.$.restAPI, 'getFileContent')
            .returns(Promise.resolve({}));
  
        // Ensure no data is set with a bad response.
        return element._getFileData('1', 'test/path', 'edit').then(() => {
          assert.equal(element._newContent, '');
          assert.equal(element._content, '');
          assert.equal(element._type, '');
        });
      });
  
      test('content is undefined', () => {
        sandbox.stub(element.$.restAPI, 'getFileContent')
            .returns(Promise.resolve({
              ok: true,
              type: 'text/javascript',
            }));
  
        return element._getFileData('1', 'test/path', 'edit').then(() => {
          assert.equal(element._newContent, '');
          assert.equal(element._content, '');
          assert.equal(element._type, 'text/javascript');
        });
      });
  
      test('content and type is undefined', () => {
        sandbox.stub(element.$.restAPI, 'getFileContent')
            .returns(Promise.resolve({
              ok: true,
            }));
  
        return element._getFileData('1', 'test/path', 'edit').then(() => {
          assert.equal(element._newContent, '');
          assert.equal(element._content, '');
          assert.equal(element._type, '');
        });
      });
    });
  
    test('_showAlert', done => {
      element.addEventListener('show-alert', e => {
        assert.deepEqual(e.detail, {message: 'test message'});
        assert.isTrue(e.bubbles);
        done();
      });
  
      element._showAlert('test message');
    });
  
    test('_viewEditInChangeView respects _patchNum', () => {
      navigateStub.restore();
      const navStub = sandbox.stub(Gerrit.Nav, 'navigateToChange');
      element._patchNum = element.EDIT_NAME;
      element._viewEditInChangeView();
      assert.equal(navStub.lastCall.args[1], element.EDIT_NAME);
      element._patchNum = '1';
      element._viewEditInChangeView();
      assert.equal(navStub.lastCall.args[1], '1');
      element._successfulSave = true;
      element._viewEditInChangeView();
      assert.equal(navStub.lastCall.args[1], element.EDIT_NAME);
    });
  
    suite('keyboard shortcuts', () => {
      // Used as the spy on the handler for each entry in keyBindings.
      let handleSpy;
  
      suite('_handleSaveShortcut', () => {
        let saveStub;
        setup(() => {
          handleSpy = sandbox.spy(element, '_handleSaveShortcut');
          saveStub = sandbox.stub(element, '_saveEdit');
        });
  
        test('save enabled', () => {
          element._content = '';
          element._newContent = '_test';
          MockInteractions.pressAndReleaseKeyOn(element, 83, 'ctrl', 's');
          flushAsynchronousOperations();
  
          assert.isTrue(handleSpy.calledOnce);
          assert.isTrue(saveStub.calledOnce);
  
          MockInteractions.pressAndReleaseKeyOn(element, 83, 'meta', 's');
          flushAsynchronousOperations();
  
          assert.equal(handleSpy.callCount, 2);
          assert.equal(saveStub.callCount, 2);
        });
  
        test('save disabled', () => {
          MockInteractions.pressAndReleaseKeyOn(element, 83, 'ctrl', 's');
          flushAsynchronousOperations();
  
          assert.isTrue(handleSpy.calledOnce);
          assert.isFalse(saveStub.called);
  
          MockInteractions.pressAndReleaseKeyOn(element, 83, 'meta', 's');
          flushAsynchronousOperations();
  
          assert.equal(handleSpy.callCount, 2);
          assert.isFalse(saveStub.called);
        });
      });
    });
  
    suite('gr-storage caching', () => {
      test('local edit exists', () => {
        sandbox.stub(element.$.storage, 'getEditableContentItem')
            .returns({message: 'pending edit'});
        sandbox.stub(element.$.restAPI, 'getFileContent')
            .returns(Promise.resolve({
              ok: true,
              type: 'text/javascript',
              content: 'old content',
            }));
  
        const alertStub = sandbox.stub();
        element.addEventListener('show-alert', alertStub);
  
        return element._getFileData(1, 'test', 1).then(() => {
          flushAsynchronousOperations();
  
          assert.isTrue(alertStub.called);
          assert.equal(element._newContent, 'pending edit');
          assert.equal(element._content, 'old content');
          assert.equal(element._type, 'text/javascript');
        });
      });
  
      test('local edit exists, is same as remote edit', () => {
        sandbox.stub(element.$.storage, 'getEditableContentItem')
            .returns({message: 'pending edit'});
        sandbox.stub(element.$.restAPI, 'getFileContent')
            .returns(Promise.resolve({
              ok: true,
              type: 'text/javascript',
              content: 'pending edit',
            }));
  
        const alertStub = sandbox.stub();
        element.addEventListener('show-alert', alertStub);
  
        return element._getFileData(1, 'test', 1).then(() => {
          flushAsynchronousOperations();
  
          assert.isFalse(alertStub.called);
          assert.equal(element._newContent, 'pending edit');
          assert.equal(element._content, 'pending edit');
          assert.equal(element._type, 'text/javascript');
        });
      });
  
      test('storage key computation', () => {
        element._changeNum = 1;
        element._patchNum = 1;
        element._path = 'test';
        assert.equal(element.storageKey, 'c1_ps1_test');
      });
    });
  });
</script>