func (Focker) ListBuildpacks(writer io.Writer, buildpackDirOptional ...string) {
buildpackDir := utils.CloudfockerHome() + "/buildpacks"
if len(buildpackDirOptional) > 0 {
buildpackDir = buildpackDirOptional[0]
}
buildpack.List(writer, abs(buildpackDir))
}
buildpackDir, _ := ioutil.TempDir(os.TempDir(), "cfocker-buildpack-remove-test")
err := buildpack.Delete(buffer, "testbuildpack", buildpackDir)
Expect(err).ShouldNot(HaveOccurred())
os.RemoveAll(buildpackDir)
})
})
})
Describe("Listing buildpacks", func() {
Context("with buildpacks", func() {
It("should list the buildpacks in the buildpack directory", func() {
buildpackDir, _ := ioutil.TempDir(os.TempDir(), "cfocker-buildpack-list-test")
os.Mkdir(buildpackDir+"/testbuildpack", 0755)
ioutil.WriteFile(buildpackDir+"/testbuildpack/testfile", []byte("test"), 0644)
os.Mkdir(buildpackDir+"/testbuildpack2", 0755)
ioutil.WriteFile(buildpackDir+"/testbuildpack2/testfile", []byte("test"), 0644)
err := buildpack.List(buffer, buildpackDir)
Expect(err).ShouldNot(HaveOccurred())
Eventually(buffer).Should(gbytes.Say(`testbuildpack`))
Eventually(buffer).Should(gbytes.Say(`testbuildpack2`))
os.RemoveAll(buildpackDir)
})
})
Context("without buildpacks", func() {
It("should say there are no buildpacks installed", func() {
buildpackDir, _ := ioutil.TempDir(os.TempDir(), "cfocker-buildpack-list-test")
err := buildpack.List(buffer, buildpackDir)
Expect(err).ShouldNot(HaveOccurred())
Eventually(buffer).Should(gbytes.Say(`No buildpacks installed`))
os.RemoveAll(buildpackDir)
})
})
