polygerrit-ui/app/elements/core/gr-key-binding-display/gr-key-binding-display_test.ts

/**
 * @license
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import '../../../test/common-test-setup-karma';
import './gr-key-binding-display';
import {GrKeyBindingDisplay} from './gr-key-binding-display';

const basicFixture = fixtureFromElement('gr-key-binding-display');

suite('gr-key-binding-display tests', () => {
  let element: GrKeyBindingDisplay;

  setup(() => {
    element = basicFixture.instantiate();
  });

  suite('_computeKey', () => {
    test('unmodified key', () => {
      assert.strictEqual(element._computeKey(['x']), 'x');
    });

    test('key with modifiers', () => {
      assert.strictEqual(element._computeKey(['Ctrl', 'x']), 'x');
      assert.strictEqual(element._computeKey(['Shift', 'Meta', 'x']), 'x');
    });
  });

  suite('_computeModifiers', () => {
    test('single unmodified key', () => {
      assert.deepEqual(element._computeModifiers(['x']), []);
    });

    test('key with modifiers', () => {
      assert.deepEqual(element._computeModifiers(['Ctrl', 'x']), ['Ctrl']);
      assert.deepEqual(element._computeModifiers(['Shift', 'Meta', 'x']), [
        'Shift',
        'Meta',
      ]);
    });
  });
});