func (r *Runner) Run(sigChan <-chan os.Signal, ready chan<- struct{}) error {
	defer ginkgo.GinkgoRecover()

	allOutput := gbytes.NewBuffer()

	debugWriter := gexec.NewPrefixedWriter(
		fmt.Sprintf("\x1b[32m[d]\x1b[%s[%s]\x1b[0m ", r.AnsiColorCode, r.Name),
		ginkgo.GinkgoWriter,
	)

	session, err := gexec.Start(
		r.Command,
		gexec.NewPrefixedWriter(
			fmt.Sprintf("\x1b[32m[o]\x1b[%s[%s]\x1b[0m ", r.AnsiColorCode, r.Name),
			io.MultiWriter(allOutput, ginkgo.GinkgoWriter),
		),
		gexec.NewPrefixedWriter(
			fmt.Sprintf("\x1b[91m[e]\x1b[%s[%s]\x1b[0m ", r.AnsiColorCode, r.Name),
			io.MultiWriter(allOutput, ginkgo.GinkgoWriter),
		),
	)

	Ω(err).ShouldNot(HaveOccurred())

	fmt.Fprintf(debugWriter, "spawned %s (pid: %d)\n", r.Command.Path, r.Command.Process.Pid)

	r.session = session
	if r.sessionReady != nil {
		close(r.sessionReady)
	}

	startCheckDuration := r.StartCheckTimeout
	if startCheckDuration == 0 {
		startCheckDuration = 5 * time.Second
	}

	var startCheckTimeout <-chan time.Time
	if r.StartCheck != "" {
		startCheckTimeout = time.After(startCheckDuration)
	}

	detectStartCheck := allOutput.Detect(r.StartCheck)

	for {
		select {
		case <-detectStartCheck: // works even with empty string
			allOutput.CancelDetects()
			startCheckTimeout = nil
			detectStartCheck = nil
			close(ready)

		case <-startCheckTimeout:
			// clean up hanging process
			session.Kill().Wait()

			// fail to start
			return fmt.Errorf(
				"did not see %s in command's output within %s. full output:\n\n%s",
				r.StartCheck,
				startCheckDuration,
				string(allOutput.Contents()),
			)

		case signal := <-sigChan:
			session.Signal(signal)

		case <-session.Exited:
			if r.Cleanup != nil {
				r.Cleanup()
			}

			if session.ExitCode() == 0 {
				return nil
			}

			return fmt.Errorf("exit status %d", session.ExitCode())
		}
	}
}
	}

	newContainer := func(text string, flag types.FlagType, setupNodes ...leafnodes.BasicNode) *containernode.ContainerNode {
		c := containernode.New(text, flag, codeLocation)
		for _, node := range setupNodes {
			c.PushSetupNode(node)
		}
		return c
	}

	containers := func(containers ...*containernode.ContainerNode) []*containernode.ContainerNode {
		return containers
	}

	BeforeEach(func() {
		buffer = gbytes.NewBuffer()
		failer = Failer.New()
		codeLocation = codelocation.New(0)
		nodesThatRan = []string{}
	})

	Describe("marking specs focused and pending", func() {
		It("should satisfy various caes", func() {
			cases := []struct {
				ContainerFlags []types.FlagType
				SubjectFlag    types.FlagType
				Pending        bool
				Focused        bool
			}{
				{[]types.FlagType{}, noneFlag, false, false},
				{[]types.FlagType{}, focusedFlag, false, true},
package writer_test

import (
	"github.com/cloudfoundry-incubator/docker_app_lifecycle/Godeps/_workspace/src/github.com/onsi/gomega/gbytes"

	. "github.com/cloudfoundry-incubator/docker_app_lifecycle/Godeps/_workspace/src/github.com/onsi/ginkgo"
	. "github.com/cloudfoundry-incubator/docker_app_lifecycle/Godeps/_workspace/src/github.com/onsi/ginkgo/internal/writer"
	. "github.com/cloudfoundry-incubator/docker_app_lifecycle/Godeps/_workspace/src/github.com/onsi/gomega"
)

var _ = Describe("Writer", func() {
	var writer *Writer
	var out *gbytes.Buffer

	BeforeEach(func() {
		out = gbytes.NewBuffer()
		writer = New(out)
	})

	It("should stream directly to the outbuffer by default", func() {
		writer.Write([]byte("foo"))
		Ω(out).Should(gbytes.Say("foo"))
	})

	It("should not emit the header when asked to DumpOutWitHeader", func() {
		writer.Write([]byte("foo"))
		writer.DumpOutWithHeader("my header")
		Ω(out).ShouldNot(gbytes.Say("my header"))
		Ω(out).Should(gbytes.Say("foo"))
	})