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tests: cover imagetools file input

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Add integration coverage for imagetools create --file and verify a
descriptor read from disk resolves to the expected copied manifest.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi
2026-03-10 21:05:57 -07:00
parent b90d59a2e9
commit d84544176d
1 changed files with 65 additions and 0 deletions
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tests/imagetools.go
+65
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@@ -32,6 +32,7 @@ var imagetoolsTests = []func(t *testing.T, sb integration.Sandbox){
testImagetoolsInspectAndFilter,
testImagetoolsCreatePlatformFilter,
testImagetoolsAppend,
testImagetoolsFile,
testImagetoolsAnnotation,
testImagetoolsMergeSources,
testImagetoolsMergeSourcesWithAttestations,
@@ -398,6 +399,70 @@ func testImagetoolsAppend(t *testing.T, sb integration.Sandbox) {
require.Equal(t, "linux/arm64", platformsByDigest[arm64Digest])
}
// testImagetoolsFile verifies create --file reads a source descriptor from disk
// and resolves it against the target repository.
func testImagetoolsFile(t *testing.T, sb integration.Sandbox) {
if !isDockerContainerWorker(sb) {
t.Skip("only testing with docker-container worker, imagetools only runs on docker-container")
}
dir := createDockerfile(t)
registry, err := sb.NewRegistry()
if errors.Is(err, integration.ErrRequirements) {
t.Skip(err.Error())
}
require.NoError(t, err)
source := registry + "/buildx/imtools-file:latest"
out, err := buildCmd(sb, withArgs("-t", source, "--push", "--platform=linux/amd64", "--provenance=false", dir))
require.NoError(t, err, string(out))
cmd := buildxCmd(sb, withArgs("imagetools", "inspect", source, "--raw"))
dt, err := cmd.CombinedOutput()
require.NoError(t, err, string(dt))
var sourceManifest ocispecs.Manifest
err = json.Unmarshal(dt, &sourceManifest)
require.NoError(t, err)
sourceDesc := ocispecs.Descriptor{
MediaType: sourceManifest.MediaType,
Digest: digest.FromBytes(dt),
Size: int64(len(dt)),
}
descJSON, err := json.Marshal(sourceDesc)
require.NoError(t, err)
descPath := filepath.Join(dir, "source-descriptor.json")
err = os.WriteFile(descPath, descJSON, 0o644)
require.NoError(t, err)
target := registry + "/buildx/imtools-file:from-file"
cmd = buildxCmd(sb, withArgs("imagetools", "create", "--file", descPath, "-t", target))
dt, err = cmd.CombinedOutput()
require.NoError(t, err, string(dt))
cmd = buildxCmd(sb, withArgs("imagetools", "inspect", target, "--raw"))
dt, err = cmd.CombinedOutput()
require.NoError(t, err, string(dt))
var idx ocispecs.Index
err = json.Unmarshal(dt, &idx)
require.NoError(t, err)
require.Equal(t, images.MediaTypeDockerSchema2ManifestList, idx.MediaType)
require.Len(t, idx.Manifests, 1)
require.Equal(t, sourceDesc.Digest, idx.Manifests[0].Digest)
cmd = buildxCmd(sb, withArgs("imagetools", "inspect", target+"@"+string(idx.Manifests[0].Digest), "--raw"))
dt, err = cmd.CombinedOutput()
require.NoError(t, err, string(dt))
var copiedManifest ocispecs.Manifest
err = json.Unmarshal(dt, &copiedManifest)
require.NoError(t, err)
require.Equal(t, sourceManifest.Config.Digest, copiedManifest.Config.Digest)
require.Equal(t, len(sourceManifest.Layers), len(copiedManifest.Layers))
}
// testImagetoolsAnnotation verifies index and manifest annotations added by imagetools create.
func testImagetoolsAnnotation(t *testing.T, sb integration.Sandbox) {
if !isDockerContainerWorker(sb) {