package integration import ( "fmt" "os" "sort" . "github.com/containers/podman/v4/test/utils" "github.com/containers/storage/pkg/stringid" . "github.com/onsi/ginkgo" . "github.com/onsi/gomega" . "github.com/onsi/gomega/gexec" ) var _ = Describe("Podman diff", func() { var ( tempdir string err error podmanTest *PodmanTestIntegration ) BeforeEach(func() { tempdir, err = CreateTempDirInTempDir() if err != nil { os.Exit(1) } podmanTest = PodmanTestCreate(tempdir) podmanTest.Setup() }) AfterEach(func() { podmanTest.Cleanup() f := CurrentGinkgoTestDescription() processTestResult(f) }) It("podman diff of image", func() { session := podmanTest.Podman([]string{"diff", ALPINE}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(BeNumerically(">", 0)) }) It("podman diff bogus image", func() { session := podmanTest.Podman([]string{"diff", "1234"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(125)) }) It("podman diff image with json output", func() { session := podmanTest.Podman([]string{"diff", "--format=json", ALPINE}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToString()).To(BeValidJSON()) }) It("podman diff container and committed image", func() { session := podmanTest.Podman([]string{"run", "--name=diff-test", ALPINE, "touch", "/tmp/diff-test"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"diff", "diff-test"}) session.WaitWithDefaultTimeout() containerDiff := session.OutputToStringArray() sort.Strings(containerDiff) Expect(session.OutputToString()).To(ContainSubstring("C /tmp")) Expect(session.OutputToString()).To(ContainSubstring("A /tmp/diff-test")) session = podmanTest.Podman([]string{"commit", "diff-test", "diff-test-img"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) session = podmanTest.Podman([]string{"diff", "diff-test-img"}) session.WaitWithDefaultTimeout() imageDiff := session.OutputToStringArray() sort.Strings(imageDiff) Expect(imageDiff).To(Equal(containerDiff)) }) It("podman diff latest container", func() { session := podmanTest.Podman([]string{"run", "--name", "diff-test", ALPINE, "touch", "/tmp/diff-test"}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) if !IsRemote() { session = podmanTest.Podman([]string{"diff", "-l"}) } else { session = podmanTest.Podman([]string{"diff", "diff-test"}) } session.WaitWithDefaultTimeout() containerDiff := session.OutputToStringArray() sort.Strings(containerDiff) Expect(session.OutputToString()).To(ContainSubstring("C /tmp")) Expect(session.OutputToString()).To(ContainSubstring("A /tmp/diff-test")) Expect(session).Should(Exit(0)) }) It("podman image diff", func() { file1 := "/" + stringid.GenerateNonCryptoID() file2 := "/" + stringid.GenerateNonCryptoID() file3 := "/" + stringid.GenerateNonCryptoID() // Create container image with the files containerfile := fmt.Sprintf(` FROM %s RUN touch %s RUN touch %s RUN touch %s`, ALPINE, file1, file2, file3) image := "podman-diff-test" podmanTest.BuildImage(containerfile, image, "true") // build a second image which used as base to compare against // using ALPINE does not work in CI, most likely due the extra vfs.imagestore containerfile = fmt.Sprintf(` FROM %s RUN echo test `, ALPINE) baseImage := "base-image" podmanTest.BuildImage(containerfile, baseImage, "true") session := podmanTest.Podman([]string{"image", "diff", image}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToStringArray()).To(HaveLen(1)) Expect(session.OutputToString()).To(Equal("A " + file3)) session = podmanTest.Podman([]string{"image", "diff", image, baseImage}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToStringArray()).To(HaveLen(4)) Expect(session.OutputToString()).To(ContainSubstring("A " + file1)) Expect(session.OutputToString()).To(ContainSubstring("A " + file2)) Expect(session.OutputToString()).To(ContainSubstring("A " + file3)) }) It("podman image diff of single image", func() { session := podmanTest.Podman([]string{"image", "diff", BB}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(len(session.OutputToStringArray())).To(BeNumerically(">", 0)) }) It("podman image diff bogus image", func() { session := podmanTest.Podman([]string{"image", "diff", "1234", ALPINE}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(125)) }) It("podman image diff of the same image", func() { session := podmanTest.Podman([]string{"image", "diff", ALPINE, ALPINE}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToStringArray()).To(BeEmpty()) }) It("podman diff container and image with same name", func() { imagefile := "/" + stringid.GenerateNonCryptoID() confile := "/" + stringid.GenerateNonCryptoID() // Create container image with the files containerfile := fmt.Sprintf(` FROM %s RUN touch %s`, ALPINE, imagefile) name := "podman-diff-test" podmanTest.BuildImage(containerfile, name, "false") session := podmanTest.Podman([]string{"run", "--name", name, ALPINE, "touch", confile}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) // podman diff prefers image over container when they have the same name session = podmanTest.Podman([]string{"diff", name}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToStringArray()).To(HaveLen(2)) Expect(session.OutputToString()).To(ContainSubstring(imagefile)) session = podmanTest.Podman([]string{"image", "diff", name}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToStringArray()).To(HaveLen(2)) Expect(session.OutputToString()).To(ContainSubstring(imagefile)) // container diff has to show the container session = podmanTest.Podman([]string{"container", "diff", name}) session.WaitWithDefaultTimeout() Expect(session).Should(Exit(0)) Expect(session.OutputToStringArray()).To(HaveLen(2)) Expect(session.OutputToString()).To(ContainSubstring(confile)) }) })