import * as fse from "fs-extra" ; import { expect } from "chai" ; import path from "./assert_path" ; import helper from "./helper" ; import * as jetpack from ".." ; describe ( "streams" , ( ) => { beforeEach ( helper . setCleanTestCwd ) ; afterEach ( helper . switchBackToCorrectCwd ) ; it ( "exposes vanilla stream methods" , done => { fse . outputFileSync ( "a.txt" , "abc" ) ; const input = jetpack . createReadStream ( "a.txt" ) ; const output = jetpack . createWriteStream ( "b.txt" ) ; output . on ( "finish" , ( ) => { path ( "b.txt" ) . shouldBeFileWithContent ( "abc" ) ; done ( ) ; } ) ; input . pipe ( output ) ; } ) ; it ( "stream methods respect jetpack internal CWD" , done => { const dir = jetpack . cwd ( "dir" ) ; fse . outputFileSync ( "dir/a.txt" , "abc" ) ; const input = dir . createReadStream ( "a.txt" ) ; const output = dir . createWriteStream ( "b.txt" ) ; output . on ( "finish" , ( ) => { path ( "dir/b.txt" ) . shouldBeFileWithContent ( "abc" ) ; done ( ) ; } ) ; input . pipe ( output ) ; } ) ; } ) ;