})
Context("when the resource can stream out", func() {
var streamedOut io.ReadCloser
BeforeEach(func() {
streamedOut = gbytes.NewBuffer()
fakeContainer.StreamOutReturns(streamedOut, nil)
})
It("streams the resource to the destination", func() {
err := artifactSource.StreamTo(fakeDestination)
Ω(err).ShouldNot(HaveOccurred())
Ω(fakeContainer.StreamOutCallCount()).Should(Equal(1))
spec := fakeContainer.StreamOutArgsForCall(0)
Ω(spec.Path).Should(Equal("/tmp/build/a-random-guid/"))
Ω(spec.User).Should(Equal("")) // use default
Ω(fakeDestination.StreamInCallCount()).Should(Equal(1))
dest, src := fakeDestination.StreamInArgsForCall(0)
Ω(dest).Should(Equal("."))
Ω(src).Should(Equal(streamedOut))
})
Context("when streaming out of the versioned source fails", func() {
disaster := errors.New("nope")
BeforeEach(func() {
fakeContainer.StreamOutReturns(nil, disaster)
})
