podman/test/e2e/diff_test.go
Yiqiao Pu f2658ecda2 Add one test case for check diff in container and committed image
The test steps are:
1. Start a container and touch a file under /tmp
2. Use diff to check the container
3. commit the change into a new image
4. Use diff to check the image

Signed-off-by: Yiqiao Pu <ypu@redhat.com>

Closes: #643
Approved by: mheon
2018-04-19 14:19:04 +00:00

72 lines
2 KiB
Go

package integration
import (
"os"
"sort"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
)
var _ = Describe("Podman diff", func() {
var (
tempdir string
err error
podmanTest PodmanTest
)
BeforeEach(func() {
tempdir, err = CreateTempDirInTempDir()
if err != nil {
os.Exit(1)
}
podmanTest = PodmanCreate(tempdir)
podmanTest.RestoreAllArtifacts()
})
AfterEach(func() {
podmanTest.Cleanup()
})
It("podman diff of image", func() {
session := podmanTest.Podman([]string{"diff", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(len(session.OutputToStringArray())).To(BeNumerically(">", 0))
})
It("podman diff bogus image", func() {
session := podmanTest.Podman([]string{"diff", "1234"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(125))
})
It("podman diff image with json output", func() {
session := podmanTest.Podman([]string{"diff", "--format=json", ALPINE})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
Expect(session.IsJSONOutputValid()).To(BeTrue())
})
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.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"diff", "diff-test"})
session.WaitWithDefaultTimeout()
containerDiff := session.OutputToStringArray()
sort.Strings(containerDiff)
Expect(session.LineInOutputContains("C /tmp")).To(BeTrue())
Expect(session.LineInOutputContains("A /tmp/diff-test")).To(BeTrue())
session = podmanTest.Podman([]string{"commit", "diff-test", "diff-test-img"})
session.WaitWithDefaultTimeout()
Expect(session.ExitCode()).To(Equal(0))
session = podmanTest.Podman([]string{"diff", "diff-test-img"})
session.WaitWithDefaultTimeout()
imageDiff := session.OutputToStringArray()
sort.Strings(imageDiff)
Expect(imageDiff).To(Equal(containerDiff))
})
})