tests: add unsupported features detection skeleton

Signed-off-by: Justin Chadwell <me@jedevc.com>

tests/workers/backend.go

@@ -35,7 +35,7 @@ func (s *backend) Rootless() bool {
 	return false
 }
 
-func (b backend) Supports(feature string) bool {
+func (s backend) Supports(feature string) bool {
 	if enabledFeatures := os.Getenv("BUILDKIT_TEST_ENABLE_FEATURES"); enabledFeatures != "" {
 		for _, enabledFeature := range strings.Split(enabledFeatures, ",") {
 			if feature == enabledFeature {
@@ -50,7 +50,7 @@ func (b backend) Supports(feature string) bool {
 			}
 		}
 	}
-	for _, unsupportedFeature := range b.unsupportedFeatures {
+	for _, unsupportedFeature := range s.unsupportedFeatures {
 		if feature == unsupportedFeature {
 			return false
 		}

tests/workers/docker-container.go

@@ -20,6 +20,8 @@ func InitDockerContainerWorker() {
 type containerWorker struct {
 	id string
 
+	unsupported []string
+
 	docker      integration.Backend
 	dockerClose func() error
 	dockerErr   error
@@ -67,6 +69,7 @@ func (w *containerWorker) New(ctx context.Context, cfg *integration.BackendConfi
 	return &backend{
 		context:             w.docker.DockerAddress(),
 		builder:             name,
+		unsupportedFeatures: w.unsupported,
 	}, cl, nil
 }
 

tests/workers/docker.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/moby/buildkit/identity"
 	"github.com/moby/buildkit/util/testutil/integration"
+	bkworkers "github.com/moby/buildkit/util/testutil/workers"
 	"github.com/pkg/errors"
 )
 
@@ -23,6 +24,7 @@ func InitDockerWorker() {
 type dockerWorker struct {
 	id                    string
 	containerdSnapshotter bool
+	unsupported           []string
 }
 
 func (c dockerWorker) Name() string {
@@ -34,7 +36,7 @@ func (c dockerWorker) Rootless() bool {
 }
 
 func (c dockerWorker) New(ctx context.Context, cfg *integration.BackendConfig) (b integration.Backend, cl func() error, err error) {
-	moby := integration.Moby{
+	moby := bkworkers.Moby{
 		ID:                    c.id,
 		ContainerdSnapshotter: c.containerdSnapshotter,
 	}
@@ -68,6 +70,7 @@ func (c dockerWorker) New(ctx context.Context, cfg *integration.BackendConfig) (
 	return &backend{
 		builder:             name,
 		context:             name,
+		unsupportedFeatures: c.unsupported,
 	}, cl, nil
 }
 

tests/workers/features.go

@@ -0,0 +1,13 @@
+package workers
+
+import (
+	"testing"
+
+	"github.com/moby/buildkit/util/testutil/integration"
+)
+
+var features = map[string]struct{}{}
+
+func CheckFeatureCompat(t *testing.T, sb integration.Sandbox, reason ...string) {
+	integration.CheckFeatureCompat(t, sb, features, reason...)
+}

tests/workers/remote.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/moby/buildkit/identity"
 	"github.com/moby/buildkit/util/testutil/integration"
+	bkworkers "github.com/moby/buildkit/util/testutil/workers"
 	"github.com/pkg/errors"
 )
 
@@ -18,6 +19,7 @@ func InitRemoteWorker() {
 
 type remoteWorker struct {
 	id          string
+	unsupported []string
 }
 
 func (w remoteWorker) Name() string {
@@ -29,7 +31,7 @@ func (w remoteWorker) Rootless() bool {
 }
 
 func (w remoteWorker) New(ctx context.Context, cfg *integration.BackendConfig) (b integration.Backend, cl func() error, err error) {
-	oci := integration.OCI{ID: w.id}
+	oci := bkworkers.OCI{ID: w.id}
 	bk, bkclose, err := oci.New(ctx, cfg)
 	if err != nil {
 		return bk, cl, err
@@ -61,6 +63,7 @@ func (w remoteWorker) New(ctx context.Context, cfg *integration.BackendConfig) (
 
 	return &backend{
 		builder:             name,
+		unsupportedFeatures: w.unsupported,
 	}, cl, nil
 }