test/test-debug-assert.ts

/**
 * Copyright 2017 Google Inc. All Rights Reserved.
 *
 * 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 * as realAssert from 'assert';
import {debugAssert} from '../src/agent/util/debug-assert';

describe('debug-assert', () => {
  it('should fire assertions when enabled', () => {
    realAssert.throws(() => {
      const assert = debugAssert(true);
      assert.strictEqual(1, 2);
    });
  });

  describe('disabled', () => {
    const assert = debugAssert(false);

    it('should not fire assertions when disabled', () => {
      assert.strictEqual(1, 2);
    });

    it('should cover the full assert API', () => {
      Object.keys(realAssert).forEach(key => {
        realAssert.strictEqual(
          typeof ((assert as {}) as {[key: string]: Function})[key],
          'function'
        );
      });
    });
  });
});