/** * 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 { fromIterable, forEach, collect } from "../../src/index.js"; Mocha.describe("forEach()", function() { Mocha.it("executes", async function() { const iterable = [1, 2, 3]; let callCount = 0; const list = await collect( fromIterable(iterable).pipeThrough( forEach(x => { callCount++; return x + 1; }) ) ); chai.expect(list).to.deep.equal(iterable); chai.expect(callCount).to.equal(iterable.length); }); });