45 lines
720 B
JavaScript
Executable File
45 lines
720 B
JavaScript
Executable File
// pipe.test
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/* eslint-env jest */
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import {
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pipe
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} from './pipe.js'
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describe('test .pipe() method:', () => {
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const f1 = (name) => {
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return `f1 ${name}`
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}
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const f2 = (name) => {
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return `f2 ${name}`
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}
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const f3 = (name) => {
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return `f3 ${name}`
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}
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const addDashes = pipe(f1, f2, f3)
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const add3 = (num) => {
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return num + 3
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}
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const mul6 = (num) => {
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return num * 6
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}
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const div2 = (num) => {
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return num / 2
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}
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const sub5 = (num) => {
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return num - 5
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}
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const calculate = pipe(add3, mul6, div2, sub5)
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test(' check if .compose() works correctly', () => {
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expect(addDashes('Alice')).toEqual('f3 f2 f1 Alice')
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expect(calculate(5)).toEqual(19)
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})
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})
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