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Make schema1 dir: comparisons nondestructive

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Use (diff -x manifest.json) instead of removing the manifest.json files.
Also rename the helper from destructiveCheckDirImageAreEqual to
assertDirImagesAreEqual.
This commit is contained in:
Miloslav Trmač 2017-05-04 21:30:05 +02:00
parent 4afafe9538
commit 6f23c88e84
1 changed files with 9 additions and 12 deletions
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21
integration/copy_test.go
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@ -105,7 +105,7 @@ func (s *CopySuite) TestCopySimpleAtomicRegistry(c *check.C) {
assertSkopeoSucceeds(c, "", "--tls-verify=false", "--debug", "copy", "dir:"+dir1, "atomic:localhost:5000/myns/unsigned:unsigned")
// The result of pushing and pulling is an unmodified image.
assertSkopeoSucceeds(c, "", "--tls-verify=false", "copy", "atomic:localhost:5000/myns/unsigned:unsigned", "dir:"+dir2)
destructiveCheckDirImagesAreEqual(c, dir1, dir2)
assertDirImagesAreEqual(c, dir1, dir2)
}
// The most basic (skopeo copy) use:
@ -139,11 +139,10 @@ func (s *CopySuite) TestCopySimple(c *check.C) {
c.Assert(err, check.IsNil)
}
// Check whether dir: images in dir1 and dir2 are equal.
// WARNING: This modifies the contents of dir1 and dir2!
func destructiveCheckDirImagesAreEqual(c *check.C, dir1, dir2 string) {
// Check whether dir: images in dir1 and dir2 are equal, ignoring schema1 signatures.
func assertDirImagesAreEqual(c *check.C, dir1, dir2 string) {
// The manifests may have different JWS signatures; so, compare the manifests by digests, which
// strips the signatures, and remove them, comparing the rest file by file.
// strips the signatures.
digests := []digest.Digest{}
for _, dir := range []string{dir1, dir2} {
manifestPath := filepath.Join(dir, "manifest.json")
@ -152,12 +151,10 @@ func destructiveCheckDirImagesAreEqual(c *check.C, dir1, dir2 string) {
digest, err := manifest.Digest(m)
c.Assert(err, check.IsNil)
digests = append(digests, digest)
err = os.Remove(manifestPath)
c.Assert(err, check.IsNil)
c.Logf("Manifest file %s (digest %s) removed", manifestPath, digest)
}
c.Assert(digests[0], check.Equals, digests[1])
out := combinedOutputOfCommand(c, "diff", "-urN", dir1, dir2)
// Then compare the rest file by file.
out := combinedOutputOfCommand(c, "diff", "-urN", "-x", "manifest.json", dir1, dir2)
c.Assert(out, check.Equals, "")
}
@ -176,7 +173,7 @@ func (s *CopySuite) TestCopyStreaming(c *check.C) {
// Compare (copies of) the original and the copy:
assertSkopeoSucceeds(c, "", "copy", "docker://estesp/busybox:amd64", "dir:"+dir1)
assertSkopeoSucceeds(c, "", "--tls-verify=false", "copy", "atomic:localhost:5000/myns/unsigned:streaming", "dir:"+dir2)
destructiveCheckDirImagesAreEqual(c, dir1, dir2)
assertDirImagesAreEqual(c, dir1, dir2)
// FIXME: Also check pushing to docker://
}
@ -501,7 +498,7 @@ func (s *CopySuite) TestCopyAtomicExtension(c *check.C) {
assertSkopeoSucceeds(c, "", "--tls-verify=false", "--policy", policy, "--registries.d", registriesDir,
"copy", "docker://localhost:5000/myns/extension:atomic", dirDest+"/dirAD")
// Both access methods result in the same data.
destructiveCheckDirImagesAreEqual(c, filepath.Join(topDir, "dirAA"), filepath.Join(topDir, "dirAD"))
assertDirImagesAreEqual(c, filepath.Join(topDir, "dirAA"), filepath.Join(topDir, "dirAD"))
// Get another image (different so that they don't share signatures, and sign it using docker://)
assertSkopeoSucceeds(c, "", "--tls-verify=false", "--registries.d", registriesDir,
@ -514,7 +511,7 @@ func (s *CopySuite) TestCopyAtomicExtension(c *check.C) {
assertSkopeoSucceeds(c, "", "--debug", "--tls-verify=false", "--policy", policy, "--registries.d", registriesDir,
"copy", "docker://localhost:5000/myns/extension:extension", dirDest+"/dirDD")
// Both access methods result in the same data.
destructiveCheckDirImagesAreEqual(c, filepath.Join(topDir, "dirDA"), filepath.Join(topDir, "dirDD"))
assertDirImagesAreEqual(c, filepath.Join(topDir, "dirDA"), filepath.Join(topDir, "dirDD"))
}
func (s *SkopeoSuite) TestCopySrcWithAuth(c *check.C) {