func captureStdout(buf *gbytes.Buffer) *os.File {
	stdout := os.Stdout
	r, w, err := os.Pipe()
	Expect(err).NotTo(HaveOccurred())
	os.Stdout = w
	go func() {
		_, err = io.Copy(buf, r)
		buf.Close()
		r.Close()
	}()
	Expect(err).NotTo(HaveOccurred())
	return stdout
}
Ejemplo n.º 2
0
Archivo: expect.go Proyecto: mmb/boosh
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,
	}
}
Ejemplo n.º 3
0
func expectExitInBuffer(timeout time.Duration, session *gexec.Session, outputBuffer *gbytes.Buffer) {
	Eventually(session, timeout).Should(gexec.Exit(0))
	Expect(string(outputBuffer.Contents())).To(HaveSuffix("\n"))
}
Ejemplo n.º 4
0
	"github.com/concourse/atc"
	"github.com/concourse/atc/event"
	. "github.com/concourse/fly/eventstream"
	"github.com/concourse/fly/eventstream/fakes"
	"github.com/mgutz/ansi"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("V1.0 Renderer", func() {
	var (
		out    *gbytes.Buffer
		stream *fakes.FakeEventStream

		receivedEvents chan<- atc.Event

		exitStatus int
	)

	BeforeEach(func() {
		out = gbytes.NewBuffer()
		stream = new(fakes.FakeEventStream)

		events := make(chan atc.Event, 100)
		receivedEvents = events

		stream.NextEventStub = func() (atc.Event, error) {
			select {
			case ev := <-events:
				return ev, nil
Ejemplo n.º 5
0
	"fmt"
	"io"
	"os/exec"
	"syscall"

	"github.com/cloudfoundry-incubator/garden-linux/container_daemon"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
	"github.com/pivotal-golang/lager/lagertest"
)

var _ = Describe("Signalling a running process", func() {
	var pid int
	var signaller *container_daemon.ProcessSignaller
	var stdout *gbytes.Buffer

	BeforeEach(func() {
		stdout = gbytes.NewBuffer()
		cmd := exec.Command("bash", "-c", `
		trap "echo TERMed; exit" TERM
		echo "pid = $$"
		sleep 2
	`)
		cmd.Stdout = io.MultiWriter(stdout, GinkgoWriter)
		cmd.Stderr = GinkgoWriter

		err := cmd.Start()
		Expect(err).NotTo(HaveOccurred())

		Eventually(stdout).Should(gbytes.Say("pid"))
Ejemplo n.º 6
0
						BeforeEach(func() {
							fakeVersionedSource.StreamOutReturns(nil, disaster)
						})

						It("returns the error", func() {
							Ω(artifactSource.StreamTo(fakeDestination)).Should(Equal(disaster))
						})
					})
				})

				Describe("streaming a file out", func() {
					Context("when the resource can stream out", func() {
						var (
							fileContent = "file-content"

							tarBuffer *gbytes.Buffer
						)

						BeforeEach(func() {
							tarBuffer = gbytes.NewBuffer()
							fakeVersionedSource.StreamOutReturns(tarBuffer, nil)
						})

						Context("when the file exists", func() {
							BeforeEach(func() {
								tarWriter := tar.NewWriter(tarBuffer)

								err := tarWriter.WriteHeader(&tar.Header{
									Name: "some-file",
									Mode: 0644,
Ejemplo n.º 7
0
	"io"
	"strings"
	"time"

	. "github.com/vito/go-sse/sse"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("readCloser", func() {
	var (
		eventStream string

		buffer *gbytes.Buffer

		readCloser *ReadCloser
	)

	BeforeEach(func() {
		eventStream = ""

		buffer = gbytes.NewBuffer()

		readCloser = NewReadCloser(buffer)
	})

	Describe("Next", func() {
		JustBeforeEach(func() {
			_, err := buffer.Write([]byte(eventStream))
Ejemplo n.º 8
0
	"github.com/craigfurman/woodhouse-ci/jobs"
	"github.com/craigfurman/woodhouse-ci/runner"
	"github.com/craigfurman/woodhouse-ci/runner/fake_vcs_fetcher"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("DockerRunner", func() {
	var (
		r          *runner.DockerRunner
		vcsFetcher *fake_vcs_fetcher.FakeVcsFetcher

		cmd           string
		rootFS        string
		gitRepository string

		runErr     error
		output     *gbytes.Buffer
		exitStatus chan uint32
	)

	BeforeEach(func() {
		vcsFetcher = new(fake_vcs_fetcher.FakeVcsFetcher)
		r = runner.NewDockerRunner(vcsFetcher)
		output = gbytes.NewBuffer()
		exitStatus = make(chan uint32, 1)
	})

	JustBeforeEach(func() {
		job := jobs.Job{
Ejemplo n.º 9
0
package metricsreporter_test

import (
	"tools/metronbenchmark/metricsreporter"

	"time"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("Metricsreporter", func() {
	var buffer *gbytes.Buffer
	var reporter *metricsreporter.MetricsReporter

	BeforeEach(func() {
		buffer = gbytes.NewBuffer()
		reporter = metricsreporter.New(time.Millisecond, buffer)
		go reporter.Start()
	})

	AfterEach(func() {
		buffer.Close()
		reporter.Stop()
	})

	It("should increment sent counter", func() {
		reporter.IncrementSentMessages()
		reporter.IncrementSentMessages()
		Eventually(buffer).Should(gbytes.Say("2, 0"))
Ejemplo n.º 10
0
			filename string

			result   string
			fetchErr error
		)

		BeforeEach(func() {
			filename = "some-filename"
		})

		JustBeforeEach(func() {
			result, fetchErr = containerDelegate.FetchContainerResultFile(logger, expectedGuid, filename)
		})

		Context("when fetching the file stream from the container succeeds", func() {
			var fileStream *gbytes.Buffer

			BeforeEach(func() {
				fileStream = gbytes.NewBuffer()
				executorClient.GetFilesReturns(fileStream, nil)
			})

			Context("and the payload is a reasonable size", func() {
				BeforeEach(func() {
					test_helper.WriteTar(
						fileStream,
						[]test_helper.ArchiveFile{{
							Name: "some-file",
							Body: "some result",
							Mode: 0600,
						}},
Ejemplo n.º 11
0
	Describe("Get current version", func() {
		It("Gets a version from a tagged version", func() {
			version := UpdateGetCurrentVersion("right_st v98.76.54 - JUNK JUNK JUNK")
			Expect(version).To(Equal(&Version{98, 76, 54}))
		})

		It("Gets no version for a dev version", func() {
			version := UpdateGetCurrentVersion("right_st master - JUNK JUNK JUNK")
			Expect(version).To(BeNil())
		})
	})

	Context("With a update versions URL", func() {
		var (
			buffer           *gbytes.Buffer
			server           *httptest.Server
			newExeContent    string
			oldUpdateBaseUrl string
		)

		BeforeEach(func() {
			buffer = gbytes.NewBuffer()
			exeItem := "right_st/right_st"
			if runtime.GOOS == "windows" {
				exeItem += ".exe"
			}
			tgzPath := regexp.MustCompile(`^/v[0-9]+\.[0-9]+\.[0-9]+/right_st-` + runtime.GOOS + `-` + runtime.GOARCH +
				`\.tgz$`)
			zipPath := regexp.MustCompile(`^/v[0-9]+\.[0-9]+\.[0-9]+/right_st-` + runtime.GOOS + `-` + runtime.GOARCH +
				`\.zip$`)
			server = httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				switch {
Ejemplo n.º 12
0
				Data: []byte("some-data\nsome-more-data\n"),
			}.Encode()).Should(Equal("id: some-id\nevent: some-name\ndata: some-data\ndata: some-more-data\ndata\n\n"))
		})

		It("includes retry if present", func() {
			Ω(Event{
				ID:    "some-id",
				Name:  "some-name",
				Data:  []byte("some-data"),
				Retry: 123 * time.Millisecond,
			}.Encode()).Should(Equal("id: some-id\nevent: some-name\nretry: 123\ndata: some-data\n\n"))
		})
	})

	Describe("Write", func() {
		var destination *gbytes.Buffer

		BeforeEach(func() {
			destination = gbytes.NewBuffer()
		})

		It("writes the encoded event to the destination", func() {
			event := Event{
				ID:   "some-id",
				Name: "some-name",
				Data: []byte("some-data\nsome-more-data\n"),
			}

			err := event.Write(destination)
			Ω(err).ShouldNot(HaveOccurred())
Ejemplo n.º 13
0
	. "github.com/onsi/gomega"

	"github.com/onsi/gomega/gbytes"

	"github.com/concourse/atc"
	"github.com/concourse/atc/event"
	"github.com/concourse/fly/eventstream"
	"github.com/concourse/fly/ui"
	"github.com/concourse/go-concourse/concourse/eventstream/fakes"
)

var _ = Describe("V1.0 Renderer", func() {
	var (
		out    *gbytes.Buffer
		stream *fakes.FakeEventStream

		receivedEvents chan<- atc.Event

		exitStatus int
	)

	BeforeEach(func() {
		color.NoColor = false
		out = gbytes.NewBuffer()
		stream = new(fakes.FakeEventStream)

		events := make(chan atc.Event, 100)
		receivedEvents = events

		stream.NextEventStub = func() (atc.Event, error) {
			select {
			case ev := <-events:
Ejemplo n.º 14
0
	"github.com/cloudfoundry/cli/cf/commandregistry"
	"github.com/cloudfoundry/cli/cf/configuration/confighelpers"
	"github.com/cloudfoundry/cli/cf/help"

	"github.com/cloudfoundry/cli/testhelpers/io"

	"os"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("Help", func() {
	var buffer *gbytes.Buffer
	BeforeEach(func() {
		buffer = gbytes.NewBuffer()
	})

	AfterEach(func() {
		buffer.Close()
	})

	It("shows help for all commands", func() {
		dummyTemplate := `
{{range .Commands}}{{range .CommandSubGroups}}{{range .}}
{{.Name}}
{{end}}{{end}}{{end}}
`
		help.ShowHelp(buffer, dummyTemplate)
	"github.com/cloudfoundry-incubator/lattice/ltc/exit_handler/fake_exit_handler"
	"github.com/cloudfoundry-incubator/lattice/ltc/terminal"
	"github.com/cloudfoundry-incubator/lattice/ltc/terminal/password_reader/fake_password_reader"
	"github.com/cloudfoundry-incubator/lattice/ltc/test_helpers"
	"github.com/codegangsta/cli"

	config_package "github.com/cloudfoundry-incubator/lattice/ltc/config"
)

var _ = Describe("CommandFactory", func() {
	var (
		stdinReader           *io.PipeReader
		stdinWriter           *io.PipeWriter
		outputBuffer          *gbytes.Buffer
		terminalUI            terminal.UI
		config                *config_package.Config
		configPersister       persister.Persister
		fakeTargetVerifier    *fake_target_verifier.FakeTargetVerifier
		fakeBlobStoreVerifier *fake_blob_store_verifier.FakeBlobStoreVerifier
		fakeExitHandler       *fake_exit_handler.FakeExitHandler
		fakePasswordReader    *fake_password_reader.FakePasswordReader
	)

	BeforeEach(func() {
		stdinReader, stdinWriter = io.Pipe()
		outputBuffer = gbytes.NewBuffer()
		fakeExitHandler = &fake_exit_handler.FakeExitHandler{}
		fakePasswordReader = &fake_password_reader.FakePasswordReader{}
		terminalUI = terminal.NewUI(stdinReader, outputBuffer, fakePasswordReader)
		fakeTargetVerifier = &fake_target_verifier.FakeTargetVerifier{}
		fakeBlobStoreVerifier = &fake_blob_store_verifier.FakeBlobStoreVerifier{}
		configPersister = persister.NewMemPersister()
Ejemplo n.º 16
0
		step = steps.NewUpload(
			container,
			*uploadAction,
			uploader,
			compressor,
			tempDir,
			fakeStreamer,
			make(chan struct{}, 1),
			logger,
		)
	})

	Describe("Perform", func() {
		Context("when streaming out works", func() {
			var buffer *gbytes.Buffer

			BeforeEach(func() {
				buffer = gbytes.NewBuffer()

				gardenClient.Connection.StreamOutStub = func(handle string, spec garden.StreamOutSpec) (io.ReadCloser, error) {
					Expect(spec.Path).To(Equal("./expected-src.txt"))
					Expect(spec.User).To(Equal("notroot"))
					Expect(handle).To(Equal("some-container-handle"))

					tarWriter := tar.NewWriter(buffer)

					dropletContents := "expected-contents"

					err := tarWriter.WriteHeader(&tar.Header{
						Name: "./expected-src.txt",
Ejemplo n.º 17
0
	"github.com/cloudfoundry/cli/cf/terminal/terminalfakes"
	"github.com/cloudfoundry/cli/flags"
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("Help", func() {

	commandsloader.Load()

	var (
		fakeFactory *testreq.FakeReqFactory
		fakeUI      *terminalfakes.FakeUI
		fakeConfig  *pluginconfigfakes.FakePluginConfiguration
		deps        commandregistry.Dependency

		cmd         *commands.Help
		flagContext flags.FlagContext
		buffer      *gbytes.Buffer
	)

	BeforeEach(func() {
		buffer = gbytes.NewBuffer()
		fakeUI = new(terminalfakes.FakeUI)
		fakeUI.WriterReturns(buffer)

		fakeConfig = new(pluginconfigfakes.FakePluginConfiguration)

		deps = commandregistry.Dependency{
			UI:           fakeUI,
			PluginConfig: fakeConfig,
package test_helpers_test

import (
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"

	"github.com/cloudfoundry-incubator/lattice/ltc/test_helpers"
)

var _ = Describe("RegexSafeSay", func() {
	var outputBuffer *gbytes.Buffer

	BeforeEach(func() {
		outputBuffer = gbytes.NewBuffer()
	})

	Describe("Say", func() {
		BeforeEach(func() {
			outputBuffer.Write([]byte(`match this \|?-^$.(){}`))
		})
		It("matches with regex-escaped characters", func() {
			Expect(outputBuffer).To(test_helpers.Say(`match this \|?-^$.(){}`))
		})
		It("negated match", func() {
			Expect(outputBuffer).NotTo(test_helpers.Say("match that"))
		})
		Context("when format string is passed with arguments", func() {
			It("matches with regex-escaped characters", func() {
				Expect(outputBuffer).To(test_helpers.Say(`match %s \|?-^$.(){}`, "this"))
			})
Ejemplo n.º 19
0
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("RightScript Scaffold", func() {
	var (
		buffer                   *gbytes.Buffer
		tempDir                  string
		emptyScript              string
		emptyScriptMetadata      string
		metadataScript           string
		metadataScriptContents   string
		shellScript              string
		shellScriptContents      string
		shellScriptMetadata      string
		rubyScript               string
		rubyScriptContents       string
		rubyScriptMetadata       string
		perlScript               string
		perlScriptContents       string
		perlScriptMetadata       string
		powershellScript         string
		powershellScriptContents string
		powershellScriptMetadata string
	)

	BeforeEach(func() {
		buffer = gbytes.NewBuffer()
		var err error
		tempDir, err = ioutil.TempDir("", "scaffold")
		if err != nil {
Ejemplo n.º 20
0
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("RightScript Metadata", func() {
	var (
		validScript                     io.ReadSeeker
		noMetadataScript                io.ReadSeeker
		missingEndDelimiterScript       io.ReadSeeker
		invalidYamlSyntaxScript         io.ReadSeeker
		invalidMetadataStructureScript  io.ReadSeeker
		incorrectInputTypeSyntaxScript  io.ReadSeeker
		incorrectInputValueSyntaxScript io.ReadSeeker
		emptyTextValueScript            io.ReadSeeker
		unknownFieldScript              io.ReadSeeker
		buffer                          *gbytes.Buffer
		emptyMetadata                   RightScriptMetadata
		emptyMetadataScript             string
		populatedMetadata               RightScriptMetadata
		populatedMetadataScript         string
		differentCommentMetadata        RightScriptMetadata
		differentCommentMetadataScript  string
	)

	BeforeEach(func() {
		validScript = strings.NewReader(`#!/bin/bash
# ---
# RightScript Name: Some RightScript Name
# Description: Some description of stuff
# Inputs:
Ejemplo n.º 21
0
						BeforeEach(func() {
							fakeVersionedSource.StreamOutReturns(nil, disaster)
						})

						It("returns the error", func() {
							Expect(artifactSource.StreamTo(fakeDestination)).To(Equal(disaster))
						})
					})
				})

				Describe("streaming a file out", func() {
					Context("when the resource can stream out", func() {
						var (
							fileContent = "file-content"

							tarBuffer *gbytes.Buffer
						)

						BeforeEach(func() {
							tarBuffer = gbytes.NewBuffer()
							fakeVersionedSource.StreamOutReturns(tarBuffer, nil)
						})

						Context("when the file exists", func() {
							BeforeEach(func() {
								tarWriter := tar.NewWriter(tarBuffer)

								err := tarWriter.WriteHeader(&tar.Header{
									Name: "some-file",
									Mode: 0644,
Ejemplo n.º 22
0
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"
)

var _ = Describe("Config", func() {
	It("Gets the default config file", func() {
		configFile := DefaultConfigFile()
		Expect(filepath.Base(configFile)).To(Equal(".right_st.yml"))
		Expect(filepath.IsAbs(configFile)).To(BeTrue())
	})

	Describe("Read config", func() {
		var (
			tempDir string
			buffer  *gbytes.Buffer
		)

		BeforeEach(func() {
			var err error
			tempDir, err = ioutil.TempDir("", "config")
			if err != nil {
				panic(err)
			}
			buffer = gbytes.NewBuffer()
		})

		AfterEach(func() {
			os.RemoveAll(tempDir)
		})
Ejemplo n.º 23
0
			It("returns an error", func() {
				Ω(fetchErr).Should(Equal(UnspecifiedArtifactSourceError{"foo-bar.yml"}))
			})
		})

		Context("when the file's artifact source can be found in the repository", func() {
			var fakeArtifactSource *fakes.FakeArtifactSource

			BeforeEach(func() {
				fakeArtifactSource = new(fakes.FakeArtifactSource)
				repo.RegisterSource("some", fakeArtifactSource)
			})

			Context("when the artifact source provides a proper file", func() {
				var streamedOut *gbytes.Buffer

				BeforeEach(func() {
					marshalled, err := yaml.Marshal(someConfig)
					Ω(err).ShouldNot(HaveOccurred())

					streamedOut = gbytes.BufferWithBytes(marshalled)
					fakeArtifactSource.StreamFileReturns(streamedOut, nil)
				})

				It("fetches the file via the correct path", func() {
					Ω(fakeArtifactSource.StreamFileArgsForCall(0)).Should(Equal("build.yml"))
				})

				It("succeeds", func() {
					Ω(fetchErr).ShouldNot(HaveOccurred())
	"github.com/concourse/s3-resource"
	"github.com/concourse/s3-resource/fakes"
	"github.com/concourse/s3-resource/out"
	"github.com/onsi/gomega/gbytes"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
)

var _ = Describe("Out Command", func() {
	Describe("running the command", func() {
		var (
			tmpPath   string
			sourceDir string
			request   out.OutRequest

			stderr   *gbytes.Buffer
			s3client *fakes.FakeS3Client
			command  *out.OutCommand
		)

		BeforeEach(func() {
			var err error
			tmpPath, err = ioutil.TempDir("", "out_command")
			Ω(err).ShouldNot(HaveOccurred())

			sourceDir = filepath.Join(tmpPath, "source")
			err = os.MkdirAll(sourceDir, 0755)
			Ω(err).ShouldNot(HaveOccurred())

			request = out.OutRequest{
Ejemplo n.º 25
0
func (p *testProcessor) Shutdown(reason string, cp *CheckPointer) error {
	return nil
}

type ginkgoLogger struct {
}

func (l *ginkgoLogger) Printf(format string, v ...interface{}) {
	GinkgoWriter.Write([]byte(fmt.Sprintf(format, v...)))
	GinkgoWriter.Write([]byte{0xa}) //new line
}

var _ = Describe("Message", func() {

	Describe("receive normal message", func() {
		var stdin *gbytes.Buffer
		var stdout *gbytes.Buffer
		var processor RecordProcessor

		var shardID string

		BeforeEach(func() {
			SetLogger(&ginkgoLogger{})

			stdin = gbytes.NewBuffer()
			stdout = gbytes.NewBuffer()
			processor = &testProcessor{}

			shardID = uuid.NewRandom().String()
			go RunIO(processor, stdin, stdout)
		})
Ejemplo n.º 26
0
package test_helpers_test

import (
	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"

	"github.com/cloudfoundry-incubator/lattice/ltc/test_helpers"
)

var _ = Describe("RegexSafeSay", func() {

	var gbytesBuffer *gbytes.Buffer

	BeforeEach(func() {
		gbytesBuffer = gbytes.NewBuffer()
	})

	Describe("Say", func() {
		It("matches with regex-escaped characters", func() {
			gbytesBuffer.Write([]byte(`match this \|?-^$.(){}`))

			Expect(gbytesBuffer).To(test_helpers.Say(`match this \|?-^$.(){}`))
		})

		It("negated match", func() {
			gbytesBuffer.Write([]byte("say that"))

			Expect(gbytesBuffer).ToNot(test_helpers.Say("different"))
		})
	})
Ejemplo n.º 27
0
import (
	"fmt"
	"os"
	"syscall"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"
	"github.com/onsi/gomega/gbytes"

	"github.com/cloudfoundry-incubator/ltc/exit_handler"
)

var _ = Describe("ExitHandler", func() {
	var (
		buffer      *gbytes.Buffer
		exitFunc    func(int)
		signalChan  chan os.Signal
		exitHandler exit_handler.ExitHandler
	)

	BeforeEach(func() {
		buffer = gbytes.NewBuffer()

		exitFunc = func(code int) {
			buffer.Write([]byte(fmt.Sprintf("Exit-Code=%d", code)))
		}

		signalChan = make(chan os.Signal)
		exitHandler = exit_handler.New(signalChan, exitFunc)
		go exitHandler.Run()

		exitHandler.OnExit(func() {
Ejemplo n.º 28
0
			It("returns an error", func() {
				Expect(fetchErr).To(Equal(UnspecifiedArtifactSourceError{"foo-bar.yml"}))
			})
		})

		Context("when the file's artifact source can be found in the repository", func() {
			var fakeArtifactSource *fakes.FakeArtifactSource

			BeforeEach(func() {
				fakeArtifactSource = new(fakes.FakeArtifactSource)
				repo.RegisterSource("some", fakeArtifactSource)
			})

			Context("when the artifact source provides a proper file", func() {
				var streamedOut *gbytes.Buffer

				BeforeEach(func() {
					marshalled, err := yaml.Marshal(someConfig)
					Expect(err).NotTo(HaveOccurred())

					streamedOut = gbytes.BufferWithBytes(marshalled)
					fakeArtifactSource.StreamFileReturns(streamedOut, nil)
				})

				It("fetches the file via the correct path", func() {
					Expect(fakeArtifactSource.StreamFileArgsForCall(0)).To(Equal("build.yml"))
				})

				It("succeeds", func() {
					Expect(fetchErr).NotTo(HaveOccurred())