mirror of
https://github.com/cypress-io/cypress.git
synced 2026-04-26 00:50:41 -05:00
Zach Bloomquist
104 lines
3.0 KiB
JavaScript
104 lines
3.0 KiB
JavaScript
require('../spec_helper')
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const tty = require('tty')
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const ttyUtil = require(`${root}lib/util/tty`)
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const terminalSize = require(`${root}lib/util/terminal-size`)
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const ttys = [process.stdin.isTTY, process.stdout.isTTY, process.stderr.isTTY]
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describe('lib/util/tty', () => {
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context('getWindowSize', () => {
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// https://github.com/cypress-io/cypress/issues/1815
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// windows has undefined process.stdout.getWindowSize
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// when running in electron, even when stdio inherited
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beforeEach(() => {
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// need to delete both the initial module and the
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// "base.js" module with problematic tty.getWindowSize call
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delete require.cache[require.resolve('mocha-7.0.1/lib/reporters/base')]
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return delete require.cache[require.resolve('mocha-7.0.1/lib/reporters')]
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})
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it('polyfills stdout and stderr getWindowSize', () => {
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sinon.stub(tty, 'isatty').returns(true)
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sinon.stub(terminalSize, 'get').returns({ columns: 10, rows: 20 })
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sinon.stub(process.stdout, 'getWindowSize').value(undefined)
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sinon.stub(process.stderr, 'getWindowSize').value(undefined)
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ttyUtil.override()
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// forces mocha reporters base to use tty.getWindowSize()
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// check the terminal width - should be the ttyUtil hardcoded
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require('mocha-7.0.1/lib/reporters')
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const base = require('mocha-7.0.1/lib/reporters/base')
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expect(process.stdout.getWindowSize()).to.deep.eq([10, 20])
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expect(process.stderr.getWindowSize()).to.deep.eq([10, 20])
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expect(base.window.width).to.equal(10)
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})
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})
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context('.override', () => {
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beforeEach(() => {
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process.env.FORCE_STDIN_TTY = '1'
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process.env.FORCE_STDOUT_TTY = '1'
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process.env.FORCE_STDERR_TTY = '1'
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// do this so can we see when its modified
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process.stdin.isTTY = 'foo'
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process.stdout.isTTY = 'foo'
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process.stderr.isTTY = 'foo'
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})
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afterEach(() => {
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// restore sanity
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process.stdin.isTTY = ttys[0]
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process.stdout.isTTY = ttys[1]
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process.stderr.isTTY = ttys[2]
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})
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it('is noop when not forcing in env', () => {
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delete process.env.FORCE_STDIN_TTY
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delete process.env.FORCE_STDOUT_TTY
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delete process.env.FORCE_STDERR_TTY
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ttyUtil.override()
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expect(process.stdin.isTTY).to.eq('foo')
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expect(process.stdout.isTTY).to.eq('foo')
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expect(process.stderr.isTTY).to.eq('foo')
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})
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it('forces process.stderr.isTTY to be true', () => {
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ttyUtil.override()
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expect(process.stdin.isTTY).to.be.true
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expect(process.stdout.isTTY).to.be.true
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expect(process.stderr.isTTY).to.be.true
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})
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it('modifies isatty calls', () => {
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delete process.env.FORCE_STDERR_TTY
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const isatty = sinon.spy(tty, 'isatty')
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ttyUtil.override()
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// should slurp up the first two calls
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// and only proxy through the 3rd call
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// for stderr
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tty.isatty(0)
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tty.isatty(1)
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tty.isatty(2)
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expect(isatty.callCount).to.eq(1)
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expect(isatty.firstCall).to.be.calledWith(2)
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})
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})
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})
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