mirror of
https://github.com/containers/podman.git
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547fff2703
e2e test failures are rife with messages like:
Expected 1 to equal 0
These make me cry. They're anti-helpful, requiring the reader
to dive into the source code to figure out what those numbers
mean.
Solution: Go tests have a '.Should(Exit(NNN))' mechanism. I
don't know if it spits out a better diagnostic (I have no way
to run e2e tests on my laptop), but I have to fantasize that
it will, and given the state of our flakes I assume that at
least one test will fail and give me the opportunity to see
what the error message looks like.
THIS IS NOT REVIEWABLE CODE. There is no way for a human
to review it. Don't bother. Maybe look at a few random
ones for sanity. If you want to really review, here is
a reproducer of what I did:
cd test/e2e
! positive assertions. The second is the same as the first,
! with the addition of (unnecessary) parentheses because
! some invocations were written that way. The third is BeZero().
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Equal\((\d+)\)\)/Expect($1).Should(Exit($2))/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(\(Equal\((\d+)\)\)\)/Expect($1).Should(Exit($2))/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(BeZero\(\)\)/Expect($1).Should(Exit(0))/' *_test.go
! Same as above, but handles three non-numeric exit codes
! in run_exit_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Equal\((\S+)\)\)/Expect($1).Should(Exit($2))/' *_test.go
! negative assertions. Difference is the spelling of 'To(Not)',
! 'ToNot', and 'NotTo'. I assume those are all the same.
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.To\(Not\(Equal\((0)\)\)\)/Expect($1).To(ExitWithError())/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.ToNot\(Equal\((0)\)\)/Expect($1).To(ExitWithError())/' *_test.go
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.NotTo\(Equal\((0)\)\)/Expect($1).To(ExitWithError())/' *_test.go
! negative, old use of BeZero()
perl -pi -e 's/Expect\((\S+)\.ExitCode\(\)\)\.ToNot\(BeZero\(\)\)/Expect($1).Should(ExitWithError())/' *_test.go
Run those on a clean copy of main branch (at the same branch
point as my PR, of course), then diff against a checked-out
copy of my PR. There should be no differences. Then all you
have to review is that my replacements above are sane.
UPDATE: nope, that's not enough, you also need to add gomega/gexec
to the files that don't have it:
perl -pi -e '$_ .= "$1/gexec\"\n" if m!^(.*/onsi/gomega)"!' $(grep -L gomega/gexec $(git log -1 --stat | awk '$1 ~ /test\/e2e\// { print $1}'))
UPDATE 2: hand-edit run_volume_test.go
UPDATE 3: sigh, add WaitWithDefaultTimeout() to a couple of places
UPDATE 4: skip a test due to bug #10935 (race condition)
Signed-off-by: Ed Santiago <santiago@redhat.com>
319 lines
9.7 KiB
Go
319 lines
9.7 KiB
Go
package integration
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"strings"
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. "github.com/containers/podman/v3/test/utils"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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. "github.com/onsi/gomega/gexec"
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)
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var _ = Describe("Podman pause", func() {
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var (
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tempdir string
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err error
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podmanTest *PodmanTestIntegration
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)
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pausedState := "paused"
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createdState := "created"
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BeforeEach(func() {
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SkipIfRootlessCgroupsV1("Pause is not supported in cgroups v1")
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tempdir, err = CreateTempDirInTempDir()
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if err != nil {
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os.Exit(1)
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}
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if CGROUPSV2 {
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b, err := ioutil.ReadFile("/proc/self/cgroup")
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if err != nil {
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Skip("cannot read self cgroup")
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}
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path := filepath.Join("/sys/fs/cgroup", strings.TrimSuffix(strings.Replace(string(b), "0::", "", 1), "\n"), "cgroup.freeze")
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_, err = os.Stat(path)
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if err != nil {
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Skip("freezer controller not available on the current kernel")
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}
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}
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podmanTest = PodmanTestCreate(tempdir)
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podmanTest.Setup()
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podmanTest.SeedImages()
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})
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AfterEach(func() {
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podmanTest.Cleanup()
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f := CurrentGinkgoTestDescription()
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processTestResult(f)
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})
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It("podman pause bogus container", func() {
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session := podmanTest.Podman([]string{"pause", "foobar"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("podman unpause bogus container", func() {
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session := podmanTest.Podman([]string{"unpause", "foobar"})
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session.WaitWithDefaultTimeout()
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Expect(session).To(ExitWithError())
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})
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It("podman pause a created container by id", func() {
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session := podmanTest.Podman([]string{"create", ALPINE, "ls"})
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).To(ExitWithError())
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(createdState))
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})
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It("podman pause a running container by id", func() {
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session := podmanTest.RunTopContainer("")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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result = podmanTest.Podman([]string{"unpause", cid})
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result.WaitWithDefaultTimeout()
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})
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It("podman container pause a running container by id", func() {
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session := podmanTest.RunTopContainer("")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"container", "pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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result = podmanTest.Podman([]string{"container", "unpause", cid})
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result.WaitWithDefaultTimeout()
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})
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It("podman unpause a running container by id", func() {
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session := podmanTest.RunTopContainer("")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"unpause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(125))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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})
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It("podman remove a paused container by id without force", func() {
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session := podmanTest.RunTopContainer("")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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result = podmanTest.Podman([]string{"rm", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(2))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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})
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It("podman remove a paused container by id with force", func() {
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session := podmanTest.RunTopContainer("")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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result = podmanTest.Podman([]string{"rm", "--force", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("podman stop a paused container by id", func() {
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session := podmanTest.RunTopContainer("")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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cid := session.OutputToString()
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result := podmanTest.Podman([]string{"pause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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result = podmanTest.Podman([]string{"stop", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(125))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(ContainSubstring(pausedState))
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result = podmanTest.Podman([]string{"unpause", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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result = podmanTest.Podman([]string{"rm", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(2))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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result = podmanTest.Podman([]string{"rm", "-f", cid})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("podman pause a running container by name", func() {
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session := podmanTest.RunTopContainer("test1")
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session.WaitWithDefaultTimeout()
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Expect(session).Should(Exit(0))
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result := podmanTest.Podman([]string{"pause", "test1"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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Expect(strings.ToLower(podmanTest.GetContainerStatus())).To(Equal(pausedState))
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result = podmanTest.Podman([]string{"unpause", "test1"})
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result.WaitWithDefaultTimeout()
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})
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It("podman pause a running container by id and another by name", func() {
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session1 := podmanTest.RunTopContainer("test1")
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session1.WaitWithDefaultTimeout()
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Expect(session1).Should(Exit(0))
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session2 := podmanTest.RunTopContainer("")
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session2.WaitWithDefaultTimeout()
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Expect(session2).Should(Exit(0))
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cid2 := session2.OutputToString()
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result := podmanTest.Podman([]string{"pause", cid2})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(1))
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result = podmanTest.Podman([]string{"pause", "test1"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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result = podmanTest.Podman([]string{"unpause", "test1"})
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result.WaitWithDefaultTimeout()
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result = podmanTest.Podman([]string{"unpause", cid2})
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result.WaitWithDefaultTimeout()
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})
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It("Pause all containers (no containers exist)", func() {
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result := podmanTest.Podman([]string{"pause", "--all"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("Unpause all containers (no paused containers exist)", func() {
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result := podmanTest.Podman([]string{"unpause", "--all"})
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result.WaitWithDefaultTimeout()
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Expect(result).Should(Exit(0))
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Expect(podmanTest.NumberOfContainersRunning()).To(Equal(0))
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})
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It("Pause a bunch of running containers", func() {
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for i := 0; i < 3; i++ {
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name := fmt.Sprintf("test%d", i)
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run := podmanTest.Podman([]string{"run", "-dt", "--name", name, nginx})
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run.WaitWithDefaultTimeout()
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Expect(run).Should(Exit(0))
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}
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running := podmanTest.Podman([]string{"ps", "-q"})
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running.WaitWithDefaultTimeout()
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Expect(running).Should(Exit(0))
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Expect(len(running.OutputToStringArray())).To(Equal(3))
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pause := podmanTest.Podman([]string{"pause", "--all"})
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pause.WaitWithDefaultTimeout()
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Expect(pause).Should(Exit(0))
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running = podmanTest.Podman([]string{"ps", "-q"})
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running.WaitWithDefaultTimeout()
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Expect(running).Should(Exit(0))
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Expect(len(running.OutputToStringArray())).To(Equal(0))
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unpause := podmanTest.Podman([]string{"unpause", "--all"})
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unpause.WaitWithDefaultTimeout()
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Expect(unpause).Should(Exit(0))
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})
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It("Unpause a bunch of running containers", func() {
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for i := 0; i < 3; i++ {
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name := fmt.Sprintf("test%d", i)
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run := podmanTest.Podman([]string{"run", "-dt", "--name", name, nginx})
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run.WaitWithDefaultTimeout()
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Expect(run).Should(Exit(0))
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}
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pause := podmanTest.Podman([]string{"pause", "--all"})
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pause.WaitWithDefaultTimeout()
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Expect(pause).Should(Exit(0))
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unpause := podmanTest.Podman([]string{"unpause", "--all"})
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unpause.WaitWithDefaultTimeout()
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Expect(unpause).Should(Exit(0))
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running := podmanTest.Podman([]string{"ps", "-q"})
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running.WaitWithDefaultTimeout()
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Expect(running).Should(Exit(0))
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Expect(len(running.OutputToStringArray())).To(Equal(3))
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})
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})
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