func (Focker) DeleteBuildpack(writer io.Writer, bpack string, buildpackDirOptional ...string) {
buildpackDir := utils.CloudfockerHome() + "/buildpacks"
if len(buildpackDirOptional) > 0 {
buildpackDir = buildpackDirOptional[0]
}
buildpack.Delete(writer, bpack, abs(buildpackDir))
}
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())
contents, err := ioutil.ReadDir(buildpackDir)
Expect(contents, err).Should(HaveLen(0))
Eventually(buffer).Should(gbytes.Say(`Deleted buildpack.`))
os.RemoveAll(buildpackDir)
})
})
Context("without the buildpack", func() {
It("should not return an error", func() {
buildpackDir, _ := ioutil.TempDir(os.TempDir(), "cfocker-buildpack-remove-test")
err := buildpack.Delete(buffer, "testbuildpack", buildpackDir)
Expect(err).ShouldNot(HaveOccurred())
os.RemoveAll(buildpackDir)
})
})