dep: Update containers/image to 1d7e25b91705e4d1cddb5396baf112caeb1119f3

Signed-off-by: Andrew Pilloud <andrewpilloud@igneoussystems.com>

vendor/github.com/containers/image/transports/alltransports/alltransports.go

@@ -0,0 +1,31 @@
+package alltransports
+
+import (
+	"strings"
+
+	// register all known transports
+	// NOTE: Make sure docs/policy.json.md is updated when adding or updating
+	// a transport.
+	_ "github.com/containers/image/directory"
+	_ "github.com/containers/image/docker"
+	_ "github.com/containers/image/docker/daemon"
+	_ "github.com/containers/image/oci/layout"
+	_ "github.com/containers/image/openshift"
+	_ "github.com/containers/image/storage"
+	"github.com/containers/image/transports"
+	"github.com/containers/image/types"
+	"github.com/pkg/errors"
+)
+
+// ParseImageName converts a URL-like image name to a types.ImageReference.
+func ParseImageName(imgName string) (types.ImageReference, error) {
+	parts := strings.SplitN(imgName, ":", 2)
+	if len(parts) != 2 {
+		return nil, errors.Errorf(`Invalid image name "%s", expected colon-separated transport:reference`, imgName)
+	}
+	transport := transports.Get(parts[0])
+	if transport == nil {
+		return nil, errors.Errorf(`Invalid image name "%s", unknown transport "%s"`, imgName, parts[0])
+	}
+	return transport.ParseReference(parts[1])
+}

vendor/github.com/containers/image/transports/alltransports/alltransports_test.go

@@ -0,0 +1,43 @@
+package alltransports
+
+import (
+	"testing"
+
+	"github.com/containers/image/transports"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParseImageName(t *testing.T) {
+	// This primarily tests error handling, TestImageNameHandling is a table-driven
+	// test for the expected values.
+	for _, name := range []string{
+		"",         // Empty
+		"busybox",  // No transport name
+		":busybox", // Empty transport name
+		"docker:",  // Empty transport reference
+	} {
+		_, err := ParseImageName(name)
+		assert.Error(t, err, name)
+	}
+}
+
+// A table-driven test summarizing the various transports' behavior.
+func TestImageNameHandling(t *testing.T) {
+	for _, c := range []struct{ transport, input, roundtrip string }{
+		{"dir", "/etc", "/etc"},
+		{"docker", "//busybox", "//busybox:latest"},
+		{"docker", "//busybox:notlatest", "//busybox:notlatest"}, // This also tests handling of multiple ":" characters
+		{"docker-daemon", "sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef", "sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"},
+		{"docker-daemon", "busybox:latest", "busybox:latest"},
+		{"oci", "/etc:sometag", "/etc:sometag"},
+		// "atomic" not tested here because it depends on per-user configuration for the default cluster.
+		// "containers-storage" not tested here because it needs to initialize various directories on the fs.
+	} {
+		fullInput := c.transport + ":" + c.input
+		ref, err := ParseImageName(fullInput)
+		require.NoError(t, err, fullInput)
+		s := transports.ImageName(ref)
+		assert.Equal(t, c.transport+":"+c.roundtrip, s, fullInput)
+	}
+}