func (Focker) AddBuildpack(writer io.Writer, url string, buildpackDirOptional ...string) {
buildpackDir := utils.CloudfockerHome() + "/buildpacks"
if len(buildpackDirOptional) > 0 {
buildpackDir = buildpackDirOptional[0]
}
buildpack.Add(writer, url, abs(buildpackDir))
}
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/onsi/gomega/gbytes"
)
var _ = Describe("Buildpack", func() {
var (
buffer *gbytes.Buffer
)
BeforeEach(func() {
buffer = gbytes.NewBuffer()
})
Describe("Adding a Buildpack", func() {
It("should download the buildpack from the specified URL", func() {
buildpackDir, _ := ioutil.TempDir(os.TempDir(), "cfocker-buildpack-test")
buildpack.Add(buffer, "https://github.com/hatofmonkeys/not-a-buildpack", buildpackDir)
Eventually(buffer).Should(gbytes.Say(`Downloading buildpack...`))
Eventually(buffer).Should(gbytes.Say(`Downloaded buildpack.`))
contents, err := ioutil.ReadDir(buildpackDir + "/not-a-buildpack")
Expect(contents, err).Should(HaveLen(3))
os.RemoveAll(buildpackDir)
})
})
Describe("Removing a Buildpack", func() {
Context("with the buildpack", func() {
It("should remove the buildpack from the buildpack directory", func() {
buildpackDir, _ := ioutil.TempDir(os.TempDir(), "cfocker-buildpack-remove-test")
os.Mkdir(buildpackDir+"/testbuildpack", 0755)
ioutil.WriteFile(buildpackDir+"/testbuildpack/testfile", []byte("test"), 0644)
err := buildpack.Delete(buffer, "testbuildpack", buildpackDir)
Expect(err).ShouldNot(HaveOccurred())