func NewBufferExpector(buffer *gbytes.Buffer, defaultTimeout time.Duration) *Expector {
closed := make(chan struct{})
go func() {
for {
if buffer.Closed() {
close(closed)
break
}
time.Sleep(100 * time.Millisecond)
}
}()
return &Expector{
defaultTimeout: defaultTimeout,
buffer: buffer,
closed: closed,
}
}
})
It("fetches the file via the correct path", func() {
Ω(fakeArtifactSource.StreamFileArgsForCall(0)).Should(Equal("build.yml"))
})
It("succeeds", func() {
Ω(fetchErr).ShouldNot(HaveOccurred())
})
It("returns the unmarshalled config", func() {
Ω(fetchedConfig).Should(Equal(someConfig))
})
It("closes the stream", func() {
Ω(streamedOut.Closed()).Should(BeTrue())
})
})
Context("when the artifact source provides an invalid configuration", func() {
var streamedOut *gbytes.Buffer
BeforeEach(func() {
invalidConfig := someConfig
invalidConfig.Platform = ""
invalidConfig.Run = atc.TaskRunConfig{}
marshalled, err := yaml.Marshal(invalidConfig)
Ω(err).ShouldNot(HaveOccurred())
streamedOut = gbytes.BufferWithBytes(marshalled)
It("streams out the given path", func() {
reader, err := artifactSource.StreamFile("some-path")
Ω(err).ShouldNot(HaveOccurred())
Ω(ioutil.ReadAll(reader)).Should(Equal([]byte(fileContent)))
Ω(fakeVersionedSource.StreamOutArgsForCall(0)).Should(Equal("some-path"))
})
Describe("closing the stream", func() {
It("closes the stream from the versioned source", func() {
reader, err := artifactSource.StreamFile("some-path")
Ω(err).ShouldNot(HaveOccurred())
Ω(tarBuffer.Closed()).Should(BeFalse())
err = reader.Close()
Ω(err).ShouldNot(HaveOccurred())
Ω(tarBuffer.Closed()).Should(BeTrue())
})
})
})
Context("but the stream is empty", func() {
It("returns ErrFileNotFound", func() {
_, err := artifactSource.StreamFile("some-path")
Ω(err).Should(MatchError(FileNotFoundError{Path: "some-path"}))
})
})
It("streams out the given path", func() {
reader, err := artifactSource.StreamFile("some-path")
Expect(err).NotTo(HaveOccurred())
Expect(ioutil.ReadAll(reader)).To(Equal([]byte(fileContent)))
Expect(fakeVersionedSource.StreamOutArgsForCall(0)).To(Equal("some-path"))
})
Describe("closing the stream", func() {
It("closes the stream from the versioned source", func() {
reader, err := artifactSource.StreamFile("some-path")
Expect(err).NotTo(HaveOccurred())
Expect(tarBuffer.Closed()).To(BeFalse())
err = reader.Close()
Expect(err).NotTo(HaveOccurred())
Expect(tarBuffer.Closed()).To(BeTrue())
})
})
})
Context("but the stream is empty", func() {
It("returns ErrFileNotFound", func() {
_, err := artifactSource.StreamFile("some-path")
Expect(err).To(MatchError(FileNotFoundError{Path: "some-path"}))
})
})
})
It("does not error", func() {
Expect(runErr).NotTo(HaveOccurred())
})
It("asynchronously writes combined stdout and stderr", func() {
Eventually(output).Should(gbytes.Say("hello"))
})
It("sends the status code", func() {
Expect(<-exitStatus).To(Equal(uint32(0)))
})
It("closes the output writer", func() {
Eventually(output.Closed()).Should(BeTrue())
})
Context("and the job has no git repository", func() {
It("does not fetch from any repository", func() {
Expect(vcsFetcher.FetchCallCount()).To(Equal(0))
})
})
Context("and the job has a git repository", func() {
var repoDir string
BeforeEach(func() {
var err error
repoDir, err = ioutil.TempDir("", "docker-runner-unit-tests")
Expect(err).NotTo(HaveOccurred())
Body: "some result",
Mode: 0600,
}},
)
})
It("succeeds", func() {
Expect(fetchErr).NotTo(HaveOccurred())
})
It("returns the result of the first file in the stream", func() {
Expect(result).To(Equal("some result"))
})
It("closes the result stream", func() {
Expect(fileStream.Closed()).To(BeTrue())
})
It("logs the fetching", func() {
Expect(logger).To(gbytes.Say(sessionPrefix + ".fetching-container-result"))
Expect(logger).To(gbytes.Say(sessionPrefix + ".succeeded-fetching-container-result"))
})
})
Context("but the payload is too large", func() {
BeforeEach(func() {
test_helper.WriteTar(
fileStream,
[]test_helper.ArchiveFile{{
Name: "some-file",
Body: strings.Repeat("x", internal.MAX_RESULT_SIZE+1),
Expect(err).NotTo(HaveOccurred())
err = tarWriter.Flush()
Expect(err).NotTo(HaveOccurred())
return buffer, nil
}
})
It("uploads the specified file to the destination", func() {
err := step.Perform()
Expect(err).NotTo(HaveOccurred())
Expect(uploadedPayload).NotTo(BeZero())
Expect(buffer.Closed()).To(BeTrue())
Expect(string(uploadedPayload)).To(Equal("expected-contents"))
})
It("logs the step", func() {
err := step.Perform()
Expect(err).NotTo(HaveOccurred())
Expect(logger.TestSink.LogMessages()).To(ConsistOf([]string{
"test.upload-step.upload-starting",
"test.URLUploader.uploading",
"test.URLUploader.succeeded-uploading",
"test.upload-step.upload-successful",
}))
})
})
It("fetches the file via the correct path", func() {
Expect(fakeArtifactSource.StreamFileArgsForCall(0)).To(Equal("build.yml"))
})
It("succeeds", func() {
Expect(fetchErr).NotTo(HaveOccurred())
})
It("returns the unmarshalled config", func() {
Expect(fetchedConfig).To(Equal(someConfig))
})
It("closes the stream", func() {
Expect(streamedOut.Closed()).To(BeTrue())
})
})
Context("when the artifact source provides an invalid configuration", func() {
var streamedOut *gbytes.Buffer
BeforeEach(func() {
invalidConfig := someConfig
invalidConfig.Platform = ""
invalidConfig.Run = atc.TaskRunConfig{}
marshalled, err := yaml.Marshal(invalidConfig)
Expect(err).NotTo(HaveOccurred())
streamedOut = gbytes.BufferWithBytes(marshalled)