}))
})
Context("when an artifact is not specified", func() {
It("does not stream the download information", func() {
err := step.Perform()
Expect(err).NotTo(HaveOccurred())
stdout := fakeStreamer.Stdout().(*gbytes.Buffer)
Expect(stdout.Contents()).To(BeEmpty())
})
})
Context("when an artifact is specified", func() {
BeforeEach(func() {
downloadAction.Artifact = "artifact"
})
Describe("logging the size", func() {
Context("when nothing had to be downloaded", func() {
BeforeEach(func() {
cache.FetchReturns(gbytes.NewBuffer(), 0, nil) // 0 bytes downlaoded
})
It("streams unknown when the Fetch does not return a File", func() {
Expect(stepErr).NotTo(HaveOccurred())
stdout := fakeStreamer.Stdout().(*gbytes.Buffer)
Expect(stdout.Contents()).To(ContainSubstring("Downloaded artifact\n"))
})
})
