BeforeEach(func() {
task1 = &fakeTask{TaskName: "task1"}
task2 = &fakeTask{TaskName: "task2"}
pipeline := task.NewPipeline("some-name", logger, task1, task2)
finalArtifact, runErr = pipeline.Run(originalArtifact)
})
It("executes all tasks with given artifact", func() {
Expect(task1.Artifact).To(Equal(originalArtifact))
Expect(task2.Artifact.Path()).To(Equal("task1"))
})
It("returns the artifact of the last task", func() {
Expect(finalArtifact.Path()).To(Equal("task2"))
})
It("logs each step", func() {
Expect(log).To(ContainSequence(
Info(Data("event", "starting", "pipeline", "some-name", "task", "task1")),
Info(Data("event", "done", "pipeline", "some-name", "task", "task1")),
Info(Data("event", "starting", "pipeline", "some-name", "task", "task2")),
Info(Data("event", "done", "pipeline", "some-name", "task", "task2")),
))
})
It("does not return an error", func() {
Expect(runErr).ToNot(HaveOccurred())
})
})
renameTask := task.NewRename(finalPath, logger)
renamedArtifact, runErr = renameTask.Run(artifact)
})
AfterEach(func() {
os.Remove(tmpDirPath)
})
It("renames the artifact on disk", func() {
Expect(originalPath).ToNot(BeAnExistingFile())
Expect(finalPath).To(BeAnExistingFile())
})
It("returns artifact with the new path", func() {
Expect(renamedArtifact.Path()).To(Equal(finalPath))
})
It("does not return error", func() {
Expect(runErr).ToNot(HaveOccurred())
})
It("provides logging", func() {
Expect(log).To(gbytes.Say(fmt.Sprintf(`{"event":"starting","source":"%s","target":"%s","task":"rename"}`, originalPath, finalPath)))
Expect(log).To(gbytes.Say(fmt.Sprintf(`{"event":"done","source":"%s","target":"%s","task":"rename"}`, originalPath, finalPath)))
})
Context("when an error occurs", func() {
BeforeEach(func() {
originalPath = "path/to/nowhere"
artifact := task.NewArtifact(originalPath)
fakeRedisClient = &fakes.Client{
ExpectedRDBPath: expectedArtifactPath,
}
timeout = 123 * time.Second
logger = lager.NewLogger("logger")
log = gbytes.NewBuffer()
logger.RegisterSink(lager.NewWriterSink(log, lager.INFO))
snapshotter = backup.NewSnapshotter(fakeRedisClient, timeout, logger)
})
JustBeforeEach(func() {
artifact, err = snapshotter.Snapshot()
})
It("creates an artifact with the right path", func() {
Expect(artifact.Path()).To(Equal(expectedArtifactPath))
})
It("does not return an error", func() {
Expect(err).ToNot(HaveOccurred())
})
It("runs bgsave on client and waits for completion of save", func() {
Expect(fakeRedisClient.RunBGSaveCallCount).To(Equal(1))
Expect(fakeRedisClient.WaitForNewSaveSinceCallCount).To(Equal(1))
})
It("provides logging", func() {
Expect(log).To(gbytes.Say(fmt.Sprintf(`{"event":"starting","task":"create-snapshot","timeout":"%s"}`, timeout.String())))
Expect(log).To(gbytes.Say(fmt.Sprintf(`{"event":"done","task":"create-snapshot","timeout":"%s"}`, timeout.String())))
Expect(log).To(gbytes.Say(`{"event":"starting","task":"get-rdb-path"}`))
_, actualTimeout, _ := providerFactory.SnapshotterProviderArgsForCall(0)
Expect(actualTimeout).To(Equal(expectedTimeout))
})
It("creates the snapshotter with the correct logger", func() {
_, _, actualLogger := providerFactory.SnapshotterProviderArgsForCall(0)
Expect(actualLogger).To(Equal(logger))
})
It("takes a snapshot", func() {
Expect(snapshotter.SnapshotCallCount()).To(Equal(1))
})
It("creates the rename task with a new path that is different from the initial artifact", func() {
newPath, _ := providerFactory.RenameTaskProviderArgsForCall(0)
Expect(newPath).ToNot(Equal(initialArtifact.Path()))
})
It("creates the rename task with the correct logger", func() {
_, actualLogger := providerFactory.RenameTaskProviderArgsForCall(0)
Expect(actualLogger).To(Equal(logger))
})
It("creates the s3 upload task with the correct bucket name", func() {
actualBucketName, _, _, _, _, _, _ := providerFactory.S3UploadTaskProviderArgsForCall(0)
Expect(actualBucketName).To(Equal(expectedBucketName))
})
It("creates the s3 upload task with the correct target path", func() {
_, actualTargetPath, _, _, _, _, _ := providerFactory.S3UploadTaskProviderArgsForCall(0)
Expect(actualTargetPath).To(Equal(expectedTargetPath))