puppeteer/test/src/function.spec.ts

44 lines
1.4 KiB
TypeScript

/**
* Copyright 2018 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 expect from 'expect';
import {interpolateFunction} from 'puppeteer-core/internal/util/Function.js';
describe('Function', function () {
describe('interpolateFunction', function () {
it('should work', async () => {
const test = interpolateFunction(
() => {
const test = PLACEHOLDER('test') as () => number;
return test();
},
{test: `() => 5`}
);
expect(test()).toBe(5);
});
it('should work inlined', async () => {
const test = interpolateFunction(
() => {
// Note the parenthesis will be removed by the typescript compiler.
return (PLACEHOLDER('test') as () => number)();
},
{test: `() => 5`}
);
expect(test()).toBe(5);
});
});
});