mirror of
https://github.com/containers/skopeo.git
synced 2025-04-28 11:14:08 +00:00
103 lines
3.2 KiB
Go
103 lines
3.2 KiB
Go
package main
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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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"github.com/containers/image/manifest"
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"github.com/go-check/check"
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)
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func init() {
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check.Suite(&CopySuite{})
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}
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type CopySuite struct {
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cluster *openshiftCluster
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}
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func (s *CopySuite) SetUpSuite(c *check.C) {
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if os.Getenv("SKOPEO_CONTAINER_TESTS") != "1" {
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c.Skip("Not running in a container, refusing to affect user state")
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}
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s.cluster = startOpenshiftCluster(c)
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for _, stream := range []string{"unsigned"} {
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isJSON := fmt.Sprintf(`{
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"kind": "ImageStream",
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"apiVersion": "v1",
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"metadata": {
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"name": "%s"
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},
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"spec": {}
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}`, stream)
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runCommandWithInput(c, isJSON, "oc", "create", "-f", "-")
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}
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}
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func (s *CopySuite) TearDownSuite(c *check.C) {
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if s.cluster != nil {
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s.cluster.tearDown()
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}
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}
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// The most basic (skopeo copy) use:
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func (s *CopySuite) TestCopySimple(c *check.C) {
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dir1, err := ioutil.TempDir("", "copy-1")
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c.Assert(err, check.IsNil)
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defer os.RemoveAll(dir1)
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dir2, err := ioutil.TempDir("", "copy-2")
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c.Assert(err, check.IsNil)
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defer os.RemoveAll(dir2)
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// FIXME: It would be nice to use one of the local Docker registries instead of neeeding an Internet connection.
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// "pull": docker: → dir:
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assertSkopeoSucceeds(c, "", "copy", "docker://busybox:latest", "dir:"+dir1)
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// "push": dir: → atomic:
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assertSkopeoSucceeds(c, "", "--debug", "copy", "dir:"+dir1, "atomic:myns/unsigned:unsigned")
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// The result of pushing and pulling is an unmodified image.
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assertSkopeoSucceeds(c, "", "copy", "atomic:myns/unsigned:unsigned", "dir:"+dir2)
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out := combinedOutputOfCommand(c, "diff", "-urN", dir1, dir2)
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c.Assert(out, check.Equals, "")
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// FIXME: Also check pushing to docker://
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}
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// Streaming (skopeo copy)
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func (s *CopySuite) TestCopyStreaming(c *check.C) {
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dir1, err := ioutil.TempDir("", "streaming-1")
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c.Assert(err, check.IsNil)
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defer os.RemoveAll(dir1)
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dir2, err := ioutil.TempDir("", "streaming-2")
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c.Assert(err, check.IsNil)
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defer os.RemoveAll(dir2)
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// FIXME: It would be nice to use one of the local Docker registries instead of neeeding an Internet connection.
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// streaming: docker: → atomic:
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assertSkopeoSucceeds(c, "", "--debug", "copy", "docker://busybox:1-glibc", "atomic:myns/unsigned:streaming")
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// Compare (copies of) the original and the copy:
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assertSkopeoSucceeds(c, "", "copy", "docker://busybox:1-glibc", "dir:"+dir1)
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assertSkopeoSucceeds(c, "", "copy", "atomic:myns/unsigned:streaming", "dir:"+dir2)
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// The manifests will have different JWS signatures; so, compare the manifests by digests, which
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// strips the signatures, and remove them, comparing the rest file by file.
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digests := []string{}
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for _, dir := range []string{dir1, dir2} {
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manifestPath := filepath.Join(dir, "manifest.json")
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m, err := ioutil.ReadFile(manifestPath)
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c.Assert(err, check.IsNil)
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digest, err := manifest.Digest(m)
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c.Assert(err, check.IsNil)
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digests = append(digests, digest)
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err = os.Remove(manifestPath)
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c.Assert(err, check.IsNil)
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c.Logf("Manifest file %s (digest %s) removed", manifestPath, digest)
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}
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c.Assert(digests[0], check.Equals, digests[1])
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out := combinedOutputOfCommand(c, "diff", "-urN", dir1, dir2)
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c.Assert(out, check.Equals, "")
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// FIXME: Also check pushing to docker://
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}
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