// MockSourceRepositories is a set of mocked source repositories used for
// testing
func MockSourceRepositories(t *testing.T, file string) []*app.SourceRepository {
	var b []*app.SourceRepository
	for _, location := range []string{
		"https://github.com/openshift/ruby-hello-world.git",
		file,
	} {
		s, err := app.NewSourceRepository(location)
		if err != nil {
			t.Fatal(err)
		}
		b = append(b, s)
	}
	return b
}

// Make sure that buildPipelines defaults DockerImage.Config if needed to
// avoid a nil panic.
func TestBuildPipelinesWithUnresolvedImage(t *testing.T) {
	dockerParser := dockerfile.NewParser()

	dockerFileInput := strings.NewReader("EXPOSE 1234\nEXPOSE 4567")
	dockerFile, err := dockerParser.Parse(dockerFileInput)
	if err != nil {
		t.Fatal(err)
	}

	sourceRepo, err := app.NewSourceRepository("https://github.com/foo/bar.git")
	if err != nil {
		t.Fatal(err)
	}
	sourceRepo.BuildWithDocker()
	sourceRepo.SetInfo(&app.SourceRepositoryInfo{
		Dockerfile: dockerFile,
	})

	refs := app.ComponentReferences{
		app.ComponentReference(&app.ComponentInput{
			Value:         "mysql",
			Uses:          sourceRepo,
			ExpectToBuild: true,
			ResolvedMatch: &app.ComponentMatch{
				Value: "mysql",
			},
		}),
	}

	a := AppConfig{}
	group, err := a.buildPipelines(refs, app.Environment{})
	if err != nil {
		t.Error(err)
	}

	expectedPorts := util.NewStringSet("1234", "4567")
	actualPorts := util.NewStringSet()
	for port := range group[0].InputImage.Info.Config.ExposedPorts {
		actualPorts.Insert(port)
	}
	if e, a := expectedPorts.List(), actualPorts.List(); !reflect.DeepEqual(e, a) {
		t.Errorf("Expected ports=%v, got %v", e, a)
	}
}

//.........这里部分代码省略.........
		// TODO: read Procfile for command?
		appJSON.Formation = map[string]Formation{
			"web": {
				Quantity: 1,
			},
		}
		msg := "adding a default formation 'web' with scale 1"
		warnings[msg] = append(warnings[msg], "app.json")
	}

	formations := sets.NewString()
	for k := range appJSON.Formation {
		formations.Insert(k)
	}

	var primaryFormation = "web"
	if _, ok := appJSON.Formation["web"]; !ok || len(appJSON.Formation) == 1 {
		for k := range appJSON.Formation {
			primaryFormation = k
			break
		}
	}

	imageGen := app.NewImageRefGenerator()

	buildPath := appJSON.Repository
	if len(buildPath) == 0 && len(g.LocalPath) > 0 {
		buildPath = g.LocalPath
	}
	if len(buildPath) == 0 {
		return nil, fmt.Errorf("app.json did not contain a repository URL and no local path was specified")
	}

	repo, err := app.NewSourceRepository(buildPath, generate.StrategyDocker)
	if err != nil {
		return nil, err
	}

	var ports []string

	var pipelines app.PipelineGroup
	baseImage := g.BaseImage
	if len(baseImage) == 0 {
		baseImage = appJSON.Image
	}
	if len(baseImage) == 0 {
		return nil, fmt.Errorf("Docker image required: provide an --image flag or 'image' key in app.json")
	}

	fakeDockerfile := heredoc.Docf(`
      # Generated from app.json
      FROM %s
    `, baseImage)

	dockerfilePath := filepath.Join(buildPath, "Dockerfile")
	if df, err := app.NewDockerfileFromFile(dockerfilePath); err == nil {
		repo.Info().Dockerfile = df
		repo.Info().Path = dockerfilePath
		ports = dockerfile.LastExposedPorts(df.AST())
	}
	// TODO: look for procfile for more info?

	image, err := imageGen.FromNameAndPorts(baseImage, ports)
	if err != nil {
		return nil, err
	}