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())
}
}
}
err = os.MkdirAll(pathB, 0700)
Ω(err).ShouldNot(HaveOccurred())
err = os.MkdirAll(pathC, 0700)
Ω(err).ShouldNot(HaveOccurred())
copyIn(filepath.Join("watch_fixtures", "A"), pathA)
copyIn(filepath.Join("watch_fixtures", "B"), pathB)
copyIn(filepath.Join("watch_fixtures", "C"), pathC)
})
startGinkgoWithGopath := func(args ...string) *gexec.Session {
cmd := ginkgoCommand(rootPath, args...)
cmd.Env = append([]string{"GOPATH=" + rootPath + ":" + os.Getenv("GOPATH")}, os.Environ()...)
session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
Ω(err).ShouldNot(HaveOccurred())
return session
}
modifyFile := func(path string) {
time.Sleep(time.Second)
content, err := ioutil.ReadFile(path)
Ω(err).ShouldNot(HaveOccurred())
content = append(content, []byte("//")...)
err = ioutil.WriteFile(path, content, 0666)
Ω(err).ShouldNot(HaveOccurred())
}
modifyCode := func(pkgToModify string) {
modifyFile(filepath.Join(rootPath, "src", "github.com", "onsi", pkgToModify, pkgToModify+".go"))
func startGinkgo(dir string, args ...string) *gexec.Session {
cmd := ginkgoCommand(dir, args...)
session, err := gexec.Start(cmd, GinkgoWriter, GinkgoWriter)
Ω(err).ShouldNot(HaveOccurred())
return session
}
insecureDockerRegistries string
dockerDaemonExecutablePath string
cacheDockerImage bool
dockerLoginServer string
dockerUser string
dockerPassword string
dockerEmail string
outputMetadataDir string
outputMetadataJSONFilename string
fakeDockerRegistry *ghttp.Server
)
setupBuilder := func() *gexec.Session {
session, err := gexec.Start(
builderCmd,
GinkgoWriter,
GinkgoWriter,
)
Expect(err).NotTo(HaveOccurred())
return session
}
setupFakeDockerRegistry := func() {
fakeDockerRegistry.AppendHandlers(
ghttp.VerifyRequest("GET", "/v1/_ping"),
ghttp.CombineHandlers(
ghttp.VerifyRequest("GET", "/v1/repositories/some-repo/images"),
http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
w.Header().Set("X-Docker-Token", "token-1,token-2")
w.Write([]byte(`[
os.Environ(),
"PORT=8080",
"INSTANCE_GUID=some-instance-guid",
"INSTANCE_INDEX=123",
`VCAP_APPLICATION={"foo":1}`,
),
}
})
AfterEach(func() {
os.RemoveAll(appDir)
})
JustBeforeEach(func() {
var err error
session, err = gexec.Start(launcherCmd, GinkgoWriter, GinkgoWriter)
Expect(err).NotTo(HaveOccurred())
})
var ItExecutesTheCommandWithTheRightEnvironment = func() {
It("executes the start command", func() {
Eventually(session).Should(gbytes.Say("running app"))
})
It("executes the start command with $HOME as the given dir", func() {
Eventually(session).Should(gbytes.Say("HOME=" + appDir))
})
It("executes the start command with $TMPDIR as the given dir + /tmp", func() {
Eventually(session).Should(gbytes.Say("TMPDIR=" + appDir + "/tmp"))
})