Method TestFileDescWithDependencies

reflection/test/serverreflection_test.go:174–320

(t *testing.T)

}

func (x) TestFileDescWithDependencies(t *testing.T) {
	depFile, err := protodesc.NewFile(
		&descriptorpb.FileDescriptorProto{
			Name: proto.String("dep.proto"),
		}, nil,
	)
	if err != nil {
		t.Fatalf("unexpected error: %s", err)
	}

	deps := &protoregistry.Files{}
	if err := deps.RegisterFile(depFile); err != nil {
		t.Fatalf("unexpected error: %s", err)
	}

	rootFileProto := &descriptorpb.FileDescriptorProto{
		Name: proto.String("root.proto"),
		Dependency: []string{
			"google/protobuf/descriptor.proto",
			"reflection/grpc_testing/proto2_ext2.proto",
			"dep.proto",
		},
	}

	// dep.proto is in deps; the other imports come from protoregistry.GlobalFiles
	resolver := &combinedResolver{first: protoregistry.GlobalFiles, second: deps}
	rootFile, err := protodesc.NewFile(rootFileProto, resolver)
	if err != nil {
		t.Fatalf("unexpected error: %s", err)
	}

	// Create a file hierarchy that contains a placeholder for dep.proto
	placeholderDep := placeholderFile{depFile}
	placeholderDeps := &protoregistry.Files{}
	if err := placeholderDeps.RegisterFile(placeholderDep); err != nil {
		t.Fatalf("unexpected error: %s", err)
	}
	resolver = &combinedResolver{first: protoregistry.GlobalFiles, second: placeholderDeps}

	rootFileHasPlaceholderDep, err := protodesc.NewFile(rootFileProto, resolver)
	if err != nil {
		t.Fatalf("unexpected error: %s", err)
	}

	rootFileIsPlaceholder := placeholderFile{rootFile}

	// Full transitive dependency graph of root.proto includes five files:
	// - root.proto
	//   - google/protobuf/descriptor.proto
	//   - reflection/grpc_testing/proto2_ext2.proto
	//     - reflection/grpc_testing/proto2.proto
	//   - dep.proto

	for _, test := range []struct {
		name   string
		sent   []string
		root   protoreflect.FileDescriptor
		expect []string