func (backend *dockerBackend) BuildStagingResponse(taskResponse *models.TaskCallbackResponse) (cc_messages.StagingResponseForCC, error) {
var response cc_messages.StagingResponseForCC
var annotation cc_messages.StagingTaskAnnotation
err := json.Unmarshal([]byte(taskResponse.Annotation), &annotation)
if err != nil {
return cc_messages.StagingResponseForCC{}, err
}
if taskResponse.Failed {
response.Error = backend.config.Sanitizer(taskResponse.FailureReason)
} else {
var result docker_app_lifecycle.StagingDockerResult
err := json.Unmarshal([]byte(taskResponse.Result), &result)
if err != nil {
return cc_messages.StagingResponseForCC{}, err
}
dockerLifecycleData, err := helpers.BuildDockerStagingData(result.DockerImage)
if err != nil {
return cc_messages.StagingResponseForCC{}, err
}
response.ExecutionMetadata = result.ExecutionMetadata
response.DetectedStartCommand = result.DetectedStartCommand
response.LifecycleData = dockerLifecycleData
}
return response, nil
}
Context("with a valid staging result", func() {
const dockerImage = "cloudfoundry/diego-docker-app"
var lifecycleData *json.RawMessage
BeforeEach(func() {
stagingResult := docker_app_lifecycle.StagingDockerResult{
ExecutionMetadata: "metadata",
DetectedStartCommand: map[string]string{"a": "b"},
DockerImage: dockerImage,
}
var err error
stagingResultJson, err = json.Marshal(stagingResult)
Expect(err).NotTo(HaveOccurred())
lifecycleData, err = helpers.BuildDockerStagingData(dockerImage)
Expect(err).NotTo(HaveOccurred())
})
It("populates a staging response correctly", func() {
Expect(buildError).NotTo(HaveOccurred())
Expect(response).To(Equal(cc_messages.StagingResponseForCC{
ExecutionMetadata: "metadata",
DetectedStartCommand: map[string]string{"a": "b"},
LifecycleData: lifecycleData,
}))
})
})
Context("with an invalid staging result", func() {
BeforeEach(func() {
package helpers_test
import (
"github.com/cloudfoundry-incubator/stager/helpers"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Stager helpers", func() {
Describe("BuildDockerStagingData", func() {
It("builds the correct json", func() {
lifecycleData, err := helpers.BuildDockerStagingData("cloudfoundry/diego-docker-app")
Expect(err).NotTo(HaveOccurred())
json := []byte(*lifecycleData)
Expect(json).To(MatchJSON(`{"docker_image":"cloudfoundry/diego-docker-app"}`))
})
})
})