it('does not write to process.stderr when from xlib or libudev', function () {
const buf1 = Buffer.from('Xlib: something foo')
const buf2 = Buffer.from('libudev something bar')
const buf3 = Buffer.from('asdf')
this.spawnedProcess.stderr.on
.withArgs('data')
.onFirstCall()
.yields(buf1)
.onSecondCall()
.yields(buf2)
.onThirdCall()
.yields(buf3)
this.spawnedProcess.on.withArgs('close').yieldsAsync(0)
sinon.stub(process.stderr, 'write').withArgs(buf3)
os.platform.returns('linux')
xvfb.isNeeded.returns(true)
return spawn.start()
.then(() => {
expect(process.stderr.write).not.to.be.calledWith(buf1)
expect(process.stderr.write).not.to.be.calledWith(buf2)
})
})
it('starts xvfb when needed', function () {
xvfb.isNeeded.returns(true)
this.spawnedProcess.on.withArgs('close').yieldsAsync(0)
return spawn.start('--foo')
.then(() => {
expect(xvfb.start).to.be.calledOnce
})
})
it('inherits when on linux and xvfb isnt needed', function () {
this.spawnedProcess.on.withArgs('close').yieldsAsync(0)
os.platform.returns('linux')
xvfb.isNeeded.returns(false)
return spawn.start()
.then(() => {
expect(cp.spawn.firstCall.args[2].stdio).to.deep.eq('inherit')
})
})
it('pipes when on win32', function () {
this.spawnedProcess.on.withArgs('close').yieldsAsync(0)
os.platform.returns('win32')
xvfb.isNeeded.returns(false)
return spawn.start()
.then(() => {
expect(cp.spawn.firstCall.args[2].stdio).to.deep.eq('pipe')
})
})
it('uses [inherit, inherit, pipe] on darwin', function () {
this.spawnedProcess.on.withArgs('close').yieldsAsync(0)
xvfb.isNeeded.returns(false)
os.platform.returns('darwin')
return spawn.start()
.then(() => {
expect(cp.spawn.firstCall.args[2].stdio).to.deep.eq([
'inherit', 'inherit', 'pipe',
])
})
})