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//go:build !containers_image_storage_stub
package storage
import (
"fmt"
"strings"
"testing"
"github.com/containers/image/v5/docker/reference"
"github.com/containers/image/v5/pkg/blobinfocache/memory"
"github.com/containers/storage"
"github.com/containers/storage/pkg/archive"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestNewReference(t *testing.T) {
newStore(t)
st, ok := Transport.(*storageTransport)
require.True(t, ok)
// Success is tested throughout; test only the failure
_, err := newReference(*st, nil, "")
assert.Error(t, err)
_, err = newReference(*st, nil, "ab")
assert.Error(t, err)
ref, err := reference.ParseNormalizedNamed("busybox")
require.NoError(t, err)
_, err = newReference(*st, ref, "")
assert.Error(t, err)
}
func TestStorageReferenceTransport(t *testing.T) {
newStore(t)
ref, err := Transport.ParseReference("busybox")
require.NoError(t, err)
transport := ref.Transport()
st, ok := transport.(*storageTransport)
require.True(t, ok)
assert.Equal(t, *(Transport.(*storageTransport)), *st)
}
// A common list of reference formats to test for the various ImageReference methods.
var validReferenceTestCases = []struct {
input, dockerRef, canonical string
namespaces []string
}{
{
"busybox", "docker.io/library/busybox:latest", "docker.io/library/busybox:latest",
[]string{"docker.io/library/busybox", "docker.io/library", "docker.io"},
},
{
"example.com/myns/ns2/busybox:notlatest", "example.com/myns/ns2/busybox:notlatest", "example.com/myns/ns2/busybox:notlatest",
[]string{"example.com/myns/ns2/busybox", "example.com/myns/ns2", "example.com/myns", "example.com"},
},
{
"@" + sha256digestHex, "", "@" + sha256digestHex,
[]string{},
},
{
"busybox@" + sha256digestHex, "docker.io/library/busybox:latest", "docker.io/library/busybox:latest@" + sha256digestHex,
[]string{"docker.io/library/busybox:latest", "docker.io/library/busybox", "docker.io/library", "docker.io"},
},
{
"busybox@sha256:" + sha256digestHex, "docker.io/library/busybox@sha256:" + sha256digestHex, "docker.io/library/busybox@sha256:" + sha256digestHex,
[]string{"docker.io/library/busybox", "docker.io/library", "docker.io"},
},
{
"busybox:notlatest@" + sha256digestHex, "docker.io/library/busybox:notlatest", "docker.io/library/busybox:notlatest@" + sha256digestHex,
[]string{"docker.io/library/busybox:notlatest", "docker.io/library/busybox", "docker.io/library", "docker.io"},
},
{
"busybox:notlatest@sha256:" + sha256digestHex, "docker.io/library/busybox:notlatest@sha256:" + sha256digestHex, "docker.io/library/busybox:notlatest@sha256:" + sha256digestHex,
[]string{"docker.io/library/busybox:notlatest", "docker.io/library/busybox", "docker.io/library", "docker.io"},
},
{
"busybox@" + sha256Digest2 + "@" + sha256digestHex, "docker.io/library/busybox@" + sha256Digest2, "docker.io/library/busybox@" + sha256Digest2 + "@" + sha256digestHex,
[]string{"docker.io/library/busybox@" + sha256Digest2, "docker.io/library/busybox", "docker.io/library", "docker.io"},
},
{
"busybox:notlatest@" + sha256Digest2 + "@" + sha256digestHex, "docker.io/library/busybox:notlatest@" + sha256Digest2, "docker.io/library/busybox:notlatest@" + sha256Digest2 + "@" + sha256digestHex,
[]string{"docker.io/library/busybox:notlatest@" + sha256Digest2, "docker.io/library/busybox:notlatest", "docker.io/library/busybox", "docker.io/library", "docker.io"},
},
}
func TestStorageReferenceDockerReference(t *testing.T) {
newStore(t)
for _, c := range validReferenceTestCases {
ref, err := Transport.ParseReference(c.input)
require.NoError(t, err, c.input)
if c.dockerRef != "" {
dr := ref.DockerReference()
require.NotNil(t, dr, c.input)
assert.Equal(t, c.dockerRef, dr.String(), c.input)
} else {
dr := ref.DockerReference()
assert.Nil(t, dr, c.input)
}
}
}
// The […] part of references created for store
func storeSpecForStringWithinTransport(store storage.Store) string {
optionsList := ""
options := store.GraphOptions()
if len(options) > 0 {
optionsList = ":" + strings.Join(options, ",")
}
return fmt.Sprintf("[%s@%s+%s%s]", store.GraphDriverName(), store.GraphRoot(), store.RunRoot(), optionsList)
}
func TestStorageReferenceStringWithinTransport(t *testing.T) {
store := newStore(t)
storeSpec := storeSpecForStringWithinTransport(store)
for _, c := range validReferenceTestCases {
ref, err := Transport.ParseReference(c.input)
require.NoError(t, err, c.input)
assert.Equal(t, storeSpec+c.canonical, ref.StringWithinTransport(), c.input)
}
}
func TestStorageReferencePolicyConfigurationIdentity(t *testing.T) {
store := newStore(t)
storeSpec := fmt.Sprintf("[%s@%s]", store.GraphDriverName(), store.GraphRoot())
for _, c := range validReferenceTestCases {
ref, err := Transport.ParseReference(c.input)
require.NoError(t, err, c.input)
assert.Equal(t, storeSpec+c.canonical, ref.PolicyConfigurationIdentity(), c.input)
}
}
func TestStorageReferencePolicyConfigurationNamespaces(t *testing.T) {
store := newStore(t)
storeSpec := fmt.Sprintf("[%s@%s]", store.GraphDriverName(), store.GraphRoot())
for _, c := range validReferenceTestCases {
ref, err := Transport.ParseReference(c.input)
require.NoError(t, err, c.input)
expectedNS := []string{}
for _, ns := range c.namespaces {
expectedNS = append(expectedNS, storeSpec+ns)
}
expectedNS = append(expectedNS, storeSpec)
expectedNS = append(expectedNS, fmt.Sprintf("[%s]", store.GraphRoot()))
assert.Equal(t, expectedNS, ref.PolicyConfigurationNamespaces(), c.input)
}
}
// NewImage, NewImageSource, NewImageDestination, DeleteImage tested in storage_test.go
func TestResolveReference(t *testing.T) {
// This is, so far, only a minimal smoke test
ensureTestCanCreateImages(t)
store := newStore(t)
storeSpec := storeSpecForStringWithinTransport(store)
cache := memory.New()
id := "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
// Create an image with a known name and ID
ref, err := Transport.ParseStoreReference(store, "test@"+id)
require.NoError(t, err)
createImage(t, ref, cache, []testBlob{makeLayer(t, archive.Gzip)}, nil)
for _, c := range []struct {
input string
expected string // "" on error
}{
{ // No ID match
"@bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", "",
},
{"@" + id, "@" + id}, // ID-only lookup
{"test", "docker.io/library/test:latest@" + id}, // Name is resolved to include ID
{"nottest", ""}, // No name match
{"test@" + id, "docker.io/library/test:latest@" + id}, // Name+ID works, and is unchanged
{"nottest@" + id, ""}, // Name mismatch is rejected even with an ID
} {
input, err := Transport.ParseStoreReference(store, c.input)
require.NoError(t, err, c.input)
inputClone := *input
resolved, img, err := ResolveReference(input)
if c.expected == "" {
assert.Error(t, err, c.input)
} else {
require.NoError(t, err, c.input)
require.Equal(t, &inputClone, input) // input was not modified in-place
assert.Equal(t, id, img.ID, c.input)
assert.Equal(t, storeSpec+c.expected, resolved.StringWithinTransport(), c.input)
}
}
}
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