Function TestPrepareCopyInstancesforInstanceCopyCopy

copy/multiple_test.go:16–48

Test `instanceCopyCopy` cases.

(t *testing.T)

// Test `instanceCopyCopy` cases.
func TestPrepareCopyInstancesforInstanceCopyCopy(t *testing.T) {
	validManifest, err := os.ReadFile(filepath.Join("..", "internal", "manifest", "testdata", "oci1.index.zstd-selection.json"))
	require.NoError(t, err)
	list, err := internalManifest.ListFromBlob(validManifest, internalManifest.GuessMIMEType(validManifest))
	require.NoError(t, err)

	// Test CopyAllImages
	sourceInstances := []digest.Digest{
		digest.Digest("sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"),
		digest.Digest("sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
		digest.Digest("sha256:cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc"),
	}

	instancesToCopy, err := prepareInstanceCopies(list, sourceInstances, &Options{})
	require.NoError(t, err)
	compare := []instanceCopy{}

	for _, instance := range sourceInstances {
		compare = append(compare, instanceCopy{op: instanceCopyCopy,
			sourceDigest: instance, copyForceCompressionFormat: false})
	}
	assert.Equal(t, instancesToCopy, compare)

	// Test CopySpecificImages where selected instance is sourceInstances[1]
	instancesToCopy, err = prepareInstanceCopies(list, sourceInstances, &Options{Instances: []digest.Digest{sourceInstances[1]}, ImageListSelection: CopySpecificImages})
	require.NoError(t, err)
	compare = []instanceCopy{{op: instanceCopyCopy,
		sourceDigest: sourceInstances[1]}}
	assert.Equal(t, instancesToCopy, compare)

	_, err = prepareInstanceCopies(list, sourceInstances, &Options{Instances: []digest.Digest{sourceInstances[1]}, ImageListSelection: CopySpecificImages, ForceCompressionFormat: true})
	require.EqualError(t, err, "cannot use ForceCompressionFormat with undefined default compression format")
}

// Test `instanceCopyClone` cases.
func TestPrepareCopyInstancesforInstanceCopyClone(t *testing.T) {