darwin/386... 🤦

Also moves testing package to internal/testing

.gitignore

@@ -1,2 +1,3 @@
 dist/
+.idea/
 VERSION

.goreleaser.yml

@@ -8,6 +8,9 @@ builds:
     goarch:
       - amd64
       - 386
+    ignore:
+      - goos: darwin
+        goarch: 386
     ldflags:
       - -s -w -X main.version=v{{.Version}}
 

.travis.yml

@@ -3,8 +3,6 @@ sudo: false
 
 matrix:
   include:
-    - go: 1.11.x
-      env: GO111MODULE=off
     - go: 1.11.x
       env: GO111MODULE=on
     - go: 1.12.x

README.md

@@ -35,9 +35,9 @@ See also the [`grpcurl` talk at GopherCon 2018](https://www.youtube.com/watch?v=
 operate bi-directional streaming methods interactively by running `grpcurl` from an
 interactive terminal and using stdin as the request body!
 
-`grpcurl` supports both plain-text and TLS servers and has numerous options for TLS
+`grpcurl` supports both secure/TLS servers _and_ plain-text servers (i.e. no TLS) and has
-configuration. It also supports mutual TLS, where the client is required to present a
+numerous options for TLS configuration. It also supports mutual TLS, where the client is
-client certificate.
+required to present a client certificate.
 
 As mentioned above, `grpcurl` works seamlessly if the server supports the reflection
 service. If not, you can supply the `.proto` source files or you can supply protoset
@@ -91,6 +91,9 @@ that requires no client certs and supports server reflection is the simplest thi
 do with `grpcurl`. This minimal invocation sends an empty request body:
 ```shell
 grpcurl grpc.server.com:443 my.custom.server.Service/Method
+
+# no TLS
+grpcurl -plaintext grpc.server.com:80 my.custom.server.Service/Method
 ```
 
 To send a non-empty request, use the `-d` argument. Note that all arguments must come

cmd/grpcurl/grpcurl.go

@@ -37,7 +37,9 @@ import (
 // the response status codes emitted use an offest of 64
 const statusCodeOffset = 64
 
-var version = "dev build <no version set>"
+const no_version = "dev build <no version set>"
+
+var version = no_version
 
 var (
 	exit = os.Exit
@@ -85,6 +87,10 @@ var (
 		is used, this will also be used as the server name when verifying the
 		server's certificate. It defaults to the address that is provided in the
 		positional arguments.`))
+	userAgent = flags.String("user-agent", "", prettify(`
+		If set, the specified value will be added to the User-Agent header set
+		by the grpc-go library.
+		`))
 	data = flags.String("d", "", prettify(`
 		Data for request contents. If the value is '@' then the request contents
 		are read from stdin. For calls that accept a stream of requests, the
@@ -135,6 +141,8 @@ var (
 		When describing messages, show a template of input data.`))
 	verbose = flags.Bool("v", false, prettify(`
 		Enable verbose output.`))
+	veryVerbose = flags.Bool("vv", false, prettify(`
+		Enable very verbose output.`))
 	serverName = flags.String("servername", "", prettify(`
 		Override server name when validating TLS certificate. This flag is
 		ignored if -plaintext or -insecure is used.
@@ -316,6 +324,14 @@ func main() {
 		invoke = true
 	}
 
+	verbosityLevel := 0
+	if *verbose {
+		verbosityLevel = 1
+	}
+	if *veryVerbose {
+		verbosityLevel = 2
+	}
+
 	var symbol string
 	if invoke {
 		if len(args) == 0 {
@@ -416,6 +432,16 @@ func main() {
 		} else if *authority != "" {
 			opts = append(opts, grpc.WithAuthority(*authority))
 		}
+
+		grpcurlUA := "grpcurl/" + version
+		if version == no_version {
+			grpcurlUA = "grpcurl/dev-build (no version set)"
+		}
+		if *userAgent != "" {
+			grpcurlUA = *userAgent + " " + grpcurlUA
+		}
+		opts = append(opts, grpc.WithUserAgent(grpcurlUA))
+
 		network := "tcp"
 		if isUnixSocket != nil && isUnixSocket() {
 			network = "unix"
@@ -651,7 +677,7 @@ func main() {
 		// if not verbose output, then also include record delimiters
 		// between each message, so output could potentially be piped
 		// to another grpcurl process
-		includeSeparators := !*verbose
+		includeSeparators := verbosityLevel == 0
 		options := grpcurl.FormatOptions{
 			EmitJSONDefaultFields: *emitDefaults,
 			IncludeTextSeparator:  includeSeparators,
@@ -661,11 +687,19 @@ func main() {
 		if err != nil {
 			fail(err, "Failed to construct request parser and formatter for %q", *format)
 		}
-		h := grpcurl.NewDefaultEventHandler(os.Stdout, descSource, formatter, *verbose)
+		h := &grpcurl.DefaultEventHandler{
+			Out:            os.Stdout,
+			Formatter:      formatter,
+			VerbosityLevel: verbosityLevel,
+		}
 
 		err = grpcurl.InvokeRPC(ctx, descSource, cc, symbol, append(addlHeaders, rpcHeaders...), h, rf.Next)
 		if err != nil {
-			fail(err, "Error invoking method %q", symbol)
+			if errStatus, ok := status.FromError(err); ok && *formatError {
+				h.Status = errStatus
+			} else {
+				fail(err, "Error invoking method %q", symbol)
+			}
 		}
 		reqSuffix := ""
 		respSuffix := ""
@@ -676,7 +710,7 @@ func main() {
 		if h.NumResponses != 1 {
 			respSuffix = "s"
 		}
-		if *verbose {
+		if verbosityLevel > 0 {
 			fmt.Printf("Sent %d request%s and received %d response%s\n", reqCount, reqSuffix, h.NumResponses, respSuffix)
 		}
 		if h.Status.Code() != codes.OK {

desc_source_test.go

@@ -10,11 +10,11 @@ import (
 )
 
 func TestWriteProtoset(t *testing.T) {
-	exampleProtoset, err := loadProtoset("./testing/example.protoset")
+	exampleProtoset, err := loadProtoset("./internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to load example.protoset: %v", err)
 	}
-	testProtoset, err := loadProtoset("./testing/test.protoset")
+	testProtoset, err := loadProtoset("./internal/testing/test.protoset")
 	if err != nil {
 		t.Fatalf("failed to load test.protoset: %v", err)
 	}
@@ -29,8 +29,8 @@ func TestWriteProtoset(t *testing.T) {
 	}
 
 	checkWriteProtoset(t, descSrc, exampleProtoset, "TestService")
-	checkWriteProtoset(t, descSrc, testProtoset, "grpc.testing.TestService")
+	checkWriteProtoset(t, descSrc, testProtoset, "testing.TestService")
-	checkWriteProtoset(t, descSrc, mergedProtoset, "TestService", "grpc.testing.TestService")
+	checkWriteProtoset(t, descSrc, mergedProtoset, "TestService", "testing.TestService")
 }
 
 func loadProtoset(path string) (*descriptor.FileDescriptorSet, error) {

format.go

@@ -409,10 +409,12 @@ func RequestParserAndFormatterFor(format Format, descSource DescriptorSource, em
 // safe for use with InvokeRPC as long as NumResponses and Status are not read
 // until the call to InvokeRPC completes.
 type DefaultEventHandler struct {
-	out        io.Writer
+	Out       io.Writer
-	descSource DescriptorSource
+	Formatter Formatter
-	formatter  func(proto.Message) (string, error)
+	// 0 = default
-	verbose    bool
+	// 1 = verbose
+	// 2 = very verbose
+	VerbosityLevel int
 
 	// NumResponses is the number of responses that have been received.
 	NumResponses int
@@ -424,54 +426,65 @@ type DefaultEventHandler struct {
 // NewDefaultEventHandler returns an InvocationEventHandler that logs events to
 // the given output. If verbose is true, all events are logged. Otherwise, only
 // response messages are logged.
+//
+// Deprecated: NewDefaultEventHandler exists for compatability.
+// It doesn't allow fine control over the `VerbosityLevel`
+// and provides only 0 and 1 options (which corresponds to the `verbose` argument).
+// Use DefaultEventHandler{} initializer directly.
 func NewDefaultEventHandler(out io.Writer, descSource DescriptorSource, formatter Formatter, verbose bool) *DefaultEventHandler {
+	verbosityLevel := 0
+	if verbose {
+		verbosityLevel = 1
+	}
 	return &DefaultEventHandler{
-		out:        out,
+		Out:            out,
-		descSource: descSource,
+		Formatter:      formatter,
-		formatter:  formatter,
+		VerbosityLevel: verbosityLevel,
-		verbose:    verbose,
 	}
 }
 
 var _ InvocationEventHandler = (*DefaultEventHandler)(nil)
 
 func (h *DefaultEventHandler) OnResolveMethod(md *desc.MethodDescriptor) {
-	if h.verbose {
+	if h.VerbosityLevel > 0 {
-		txt, err := GetDescriptorText(md, h.descSource)
+		txt, err := GetDescriptorText(md, nil)
 		if err == nil {
-			fmt.Fprintf(h.out, "\nResolved method descriptor:\n%s\n", txt)
+			fmt.Fprintf(h.Out, "\nResolved method descriptor:\n%s\n", txt)
 		}
 	}
 }
 
 func (h *DefaultEventHandler) OnSendHeaders(md metadata.MD) {
-	if h.verbose {
+	if h.VerbosityLevel > 0 {
-		fmt.Fprintf(h.out, "\nRequest metadata to send:\n%s\n", MetadataToString(md))
+		fmt.Fprintf(h.Out, "\nRequest metadata to send:\n%s\n", MetadataToString(md))
 	}
 }
 
 func (h *DefaultEventHandler) OnReceiveHeaders(md metadata.MD) {
-	if h.verbose {
+	if h.VerbosityLevel > 0 {
-		fmt.Fprintf(h.out, "\nResponse headers received:\n%s\n", MetadataToString(md))
+		fmt.Fprintf(h.Out, "\nResponse headers received:\n%s\n", MetadataToString(md))
 	}
 }
 
 func (h *DefaultEventHandler) OnReceiveResponse(resp proto.Message) {
 	h.NumResponses++
-	if h.verbose {
+	if h.VerbosityLevel > 1 {
-		fmt.Fprint(h.out, "\nResponse contents:\n")
+		fmt.Fprintf(h.Out, "\nEstimated response size: %d bytes\n", proto.Size(resp))
 	}
-	if respStr, err := h.formatter(resp); err != nil {
+	if h.VerbosityLevel > 0 {
-		fmt.Fprintf(h.out, "Failed to format response message %d: %v\n", h.NumResponses, err)
+		fmt.Fprint(h.Out, "\nResponse contents:\n")
+	}
+	if respStr, err := h.Formatter(resp); err != nil {
+		fmt.Fprintf(h.Out, "Failed to format response message %d: %v\n", h.NumResponses, err)
 	} else {
-		fmt.Fprintln(h.out, respStr)
+		fmt.Fprintln(h.Out, respStr)
 	}
 }
 
 func (h *DefaultEventHandler) OnReceiveTrailers(stat *status.Status, md metadata.MD) {
 	h.Status = stat
-	if h.verbose {
+	if h.VerbosityLevel > 0 {
-		fmt.Fprintf(h.out, "\nResponse trailers received:\n%s\n", MetadataToString(md))
+		fmt.Fprintf(h.Out, "\nResponse trailers received:\n%s\n", MetadataToString(md))
 	}
 }
 

format_test.go

@@ -15,7 +15,7 @@ import (
 )
 
 func TestRequestParser(t *testing.T) {
-	source, err := DescriptorSourceFromProtoSets("testing/example.protoset")
+	source, err := DescriptorSourceFromProtoSets("internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to create descriptor source: %v", err)
 	}
@@ -97,7 +97,7 @@ func TestRequestParser(t *testing.T) {
 // Handler prints response data (and headers/trailers in verbose mode).
 // This verifies that we get the right output in both JSON and proto text modes.
 func TestHandler(t *testing.T) {
-	source, err := DescriptorSourceFromProtoSets("testing/example.protoset")
+	source, err := DescriptorSourceFromProtoSets("internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to create descriptor source: %v", err)
 	}
@@ -120,12 +120,14 @@ func TestHandler(t *testing.T) {
 
 	for _, format := range []Format{FormatJSON, FormatText} {
 		for _, numMessages := range []int{1, 3} {
-			for _, verbose := range []bool{true, false} {
+			for verbosityLevel := 0; verbosityLevel <= 2; verbosityLevel++ {
 				name := fmt.Sprintf("%s, %d message(s)", format, numMessages)
-				if verbose {
+				if verbosityLevel > 0 {
-					name += ", verbose"
+					name += fmt.Sprintf(", verbosityLevel=%d", verbosityLevel)
 				}
 
+				verbose := verbosityLevel > 0
+
 				_, formatter, err := RequestParserAndFormatter(format, source, nil, FormatOptions{IncludeTextSeparator: !verbose})
 				if err != nil {
 					t.Errorf("Failed to create parser and formatter: %v", err)
@@ -133,7 +135,11 @@ func TestHandler(t *testing.T) {
 				}
 
 				var buf bytes.Buffer
-				h := NewDefaultEventHandler(&buf, source, formatter, verbose)
+				h := &DefaultEventHandler{
+					Out:            &buf,
+					Formatter:      formatter,
+					VerbosityLevel: verbosityLevel,
+				}
 
 				h.OnResolveMethod(md)
 				h.OnSendHeaders(reqHeaders)
@@ -148,6 +154,9 @@ func TestHandler(t *testing.T) {
 					expectedOutput += verbosePrefix
 				}
 				for i := 0; i < numMessages; i++ {
+					if verbosityLevel > 1 {
+						expectedOutput += verboseResponseSize
+					}
 					if verbose {
 						expectedOutput += verboseResponseHeader
 					}
@@ -226,6 +235,9 @@ Response trailers received:
 a: 1
 b: 2
 c: 3
+`
+	verboseResponseSize = `
+Estimated response size: 100 bytes
 `
 	verboseResponseHeader = `
 Response contents:

go.sum

@@ -365,6 +365,7 @@ golang.org/x/lint v0.0.0-20190909230951-414d861bb4ac/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
+golang.org/x/lint v0.0.0-20200302205851-738671d3881b h1:Wh+f8QHJXR411sJR8/vRBTZ7YapZaRvUcLFFJhusH0k=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
@@ -444,6 +445,7 @@ golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200331124033-c3d80250170d h1:nc5K6ox/4lTFbMVSL9WRR81ixkcwXThoiF6yf+R9scA=
 golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=

grpcurl_test.go

@@ -18,15 +18,14 @@ import (
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/interop/grpc_testing"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/reflection"
 	reflectpb "google.golang.org/grpc/reflection/grpc_reflection_v1alpha"
 	"google.golang.org/grpc/status"
 
 	. "github.com/fullstorydev/grpcurl"
-	grpcurl_testing "github.com/fullstorydev/grpcurl/testing"
+	grpcurl_testing "github.com/fullstorydev/grpcurl/internal/testing"
-	jsonpbtest "github.com/fullstorydev/grpcurl/testing/jsonpb_test_proto"
+	jsonpbtest "github.com/fullstorydev/grpcurl/internal/testing/jsonpb_test_proto"
 )
 
 var (
@@ -52,18 +51,18 @@ type descSourceCase struct {
 
 func TestMain(m *testing.M) {
 	var err error
-	sourceProtoset, err = DescriptorSourceFromProtoSets("testing/test.protoset")
+	sourceProtoset, err = DescriptorSourceFromProtoSets("internal/testing/test.protoset")
 	if err != nil {
 		panic(err)
 	}
-	sourceProtoFiles, err = DescriptorSourceFromProtoFiles(nil, "testing/test.proto")
+	sourceProtoFiles, err = DescriptorSourceFromProtoFiles([]string{"internal/testing"}, "test.proto")
 	if err != nil {
 		panic(err)
 	}
 
 	// Create a server that includes the reflection service
 	svrReflect := grpc.NewServer()
-	grpc_testing.RegisterTestServiceServer(svrReflect, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svrReflect, grpcurl_testing.TestServer{})
 	reflection.Register(svrReflect)
 	var portReflect int
 	if l, err := net.Listen("tcp", "127.0.0.1:0"); err != nil {
@@ -89,7 +88,7 @@ func TestMain(m *testing.M) {
 
 	// Also create a server that does *not* include the reflection service
 	svrProtoset := grpc.NewServer()
-	grpc_testing.RegisterTestServiceServer(svrProtoset, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svrProtoset, grpcurl_testing.TestServer{})
 	var portProtoset int
 	if l, err := net.Listen("tcp", "127.0.0.1:0"); err != nil {
 		panic(err)
@@ -141,7 +140,7 @@ func TestServerDoesNotSupportReflection(t *testing.T) {
 }
 
 func TestProtosetWithImports(t *testing.T) {
-	sourceProtoset, err := DescriptorSourceFromProtoSets("testing/example.protoset")
+	sourceProtoset, err := DescriptorSourceFromProtoSets("internal/testing/example.protoset")
 	if err != nil {
 		t.Fatalf("failed to load protoset: %v", err)
 	}
@@ -178,11 +177,11 @@ func doTestListServices(t *testing.T, source DescriptorSource, includeReflection
 	var expected []string
 	if includeReflection {
 		// when using server reflection, we see the TestService as well as the ServerReflection service
-		expected = []string{"grpc.reflection.v1alpha.ServerReflection", "grpc.testing.TestService"}
+		expected = []string{"grpc.reflection.v1alpha.ServerReflection", "testing.TestService"}
 	} else {
 		// without reflection, we see all services defined in the same test.proto file, which is the
 		// TestService as well as UnimplementedService
-		expected = []string{"grpc.testing.TestService", "grpc.testing.UnimplementedService"}
+		expected = []string{"testing.TestService", "testing.UnimplementedService"}
 	}
 	if !reflect.DeepEqual(expected, names) {
 		t.Errorf("ListServices returned wrong results: wanted %v, got %v", expected, names)
@@ -198,17 +197,17 @@ func TestListMethods(t *testing.T) {
 }
 
 func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection bool) {
-	names, err := ListMethods(source, "grpc.testing.TestService")
+	names, err := ListMethods(source, "testing.TestService")
 	if err != nil {
 		t.Fatalf("failed to list methods for TestService: %v", err)
 	}
 	expected := []string{
-		"grpc.testing.TestService.EmptyCall",
+		"testing.TestService.EmptyCall",
-		"grpc.testing.TestService.FullDuplexCall",
+		"testing.TestService.FullDuplexCall",
-		"grpc.testing.TestService.HalfDuplexCall",
+		"testing.TestService.HalfDuplexCall",
-		"grpc.testing.TestService.StreamingInputCall",
+		"testing.TestService.StreamingInputCall",
-		"grpc.testing.TestService.StreamingOutputCall",
+		"testing.TestService.StreamingOutputCall",
-		"grpc.testing.TestService.UnaryCall",
+		"testing.TestService.UnaryCall",
 	}
 	if !reflect.DeepEqual(expected, names) {
 		t.Errorf("ListMethods returned wrong results: wanted %v, got %v", expected, names)
@@ -224,11 +223,11 @@ func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection
 	} else {
 		// without reflection, we see all services defined in the same test.proto file, which is the
 		// TestService as well as UnimplementedService
-		names, err = ListMethods(source, "grpc.testing.UnimplementedService")
+		names, err = ListMethods(source, "testing.UnimplementedService")
 		if err != nil {
 			t.Fatalf("failed to list methods for ServerReflection: %v", err)
 		}
-		expected = []string{"grpc.testing.UnimplementedService.UnimplementedCall"}
+		expected = []string{"testing.UnimplementedService.UnimplementedCall"}
 	}
 	if !reflect.DeepEqual(expected, names) {
 		t.Errorf("ListMethods returned wrong results: wanted %v, got %v", expected, names)
@@ -242,13 +241,13 @@ func doTestListMethods(t *testing.T, source DescriptorSource, includeReflection
 }
 
 func TestGetAllFiles(t *testing.T) {
-	expectedFiles := []string{"testing/test.proto"}
+	expectedFiles := []string{"test.proto"}
 	// server reflection picks up filename from linked in Go package,
 	// which indicates "grpc_testing/test.proto", not our local copy.
 	expectedFilesWithReflection := [][]string{
-		{"grpc_reflection_v1alpha/reflection.proto", "grpc_testing/test.proto"},
+		{"grpc_reflection_v1alpha/reflection.proto", "test.proto"},
 		// depending on the version of grpc, the filenames could be prefixed with "interop/" and "reflection/"
-		{"interop/grpc_testing/test.proto", "reflection/grpc_reflection_v1alpha/reflection.proto"},
+		{"reflection/grpc_reflection_v1alpha/reflection.proto", "test.proto"},
 	}
 
 	for _, ds := range descSources {
@@ -279,11 +278,11 @@ func TestGetAllFiles(t *testing.T) {
 	}
 
 	// try cases with more complicated set of files
-	otherSourceProtoset, err := DescriptorSourceFromProtoSets("testing/test.protoset", "testing/example.protoset")
+	otherSourceProtoset, err := DescriptorSourceFromProtoSets("internal/testing/test.protoset", "internal/testing/example.protoset")
 	if err != nil {
 		t.Fatal(err.Error())
 	}
-	otherSourceProtoFiles, err := DescriptorSourceFromProtoFiles(nil, "testing/test.proto", "testing/example.proto")
+	otherSourceProtoFiles, err := DescriptorSourceFromProtoFiles([]string{"internal/testing"}, "test.proto", "example.proto")
 	if err != nil {
 		t.Fatal(err.Error())
 	}
@@ -292,13 +291,13 @@ func TestGetAllFiles(t *testing.T) {
 		{"proto[b]", otherSourceProtoFiles, false},
 	}
 	expectedFiles = []string{
+		"example.proto",
+		"example2.proto",
 		"google/protobuf/any.proto",
 		"google/protobuf/descriptor.proto",
 		"google/protobuf/empty.proto",
 		"google/protobuf/timestamp.proto",
-		"testing/example.proto",
+		"test.proto",
-		"testing/example2.proto",
-		"testing/test.proto",
 	}
 	for _, ds := range otherDescSources {
 		t.Run(ds.name, func(t *testing.T) {
@@ -403,7 +402,7 @@ func TestDescribe(t *testing.T) {
 }
 
 func doTestDescribe(t *testing.T, source DescriptorSource) {
-	sym := "grpc.testing.TestService.EmptyCall"
+	sym := "testing.TestService.EmptyCall"
 	dsc, err := source.FindSymbol(sym)
 	if err != nil {
 		t.Fatalf("failed to get descriptor for %q: %v", sym, err)
@@ -414,14 +413,14 @@ func doTestDescribe(t *testing.T, source DescriptorSource) {
 	txt := proto.MarshalTextString(dsc.AsProto())
 	expected :=
 		`name: "EmptyCall"
-input_type: ".grpc.testing.Empty"
+input_type: ".testing.Empty"
-output_type: ".grpc.testing.Empty"
+output_type: ".testing.Empty"
 `
 	if expected != txt {
 		t.Errorf("descriptor mismatch: expected %s, got %s", expected, txt)
 	}
 
-	sym = "grpc.testing.StreamingOutputCallResponse"
+	sym = "testing.StreamingOutputCallResponse"
 	dsc, err = source.FindSymbol(sym)
 	if err != nil {
 		t.Fatalf("failed to get descriptor for %q: %v", sym, err)
@@ -437,7 +436,7 @@ field: <
   number: 1
   label: LABEL_OPTIONAL
   type: TYPE_MESSAGE
-  type_name: ".grpc.testing.Payload"
+  type_name: ".testing.Payload"
   json_name: "payload"
 >
 `
@@ -493,12 +492,12 @@ func TestUnary(t *testing.T) {
 func doTestUnary(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 	// Success
 	h := &handler{reqMessages: []string{payload1}}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/UnaryCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/UnaryCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.UnaryCall", codes.OK, 1, 1) {
+	if h.check(t, "testing.TestService.UnaryCall", codes.OK, 1, 1) {
 		if h.respMessages[0] != payload1 {
 			t.Errorf("unexpected response from RPC: expecting %s; got %s", payload1, h.respMessages[0])
 		}
@@ -506,12 +505,12 @@ func doTestUnary(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 
 	// Failure
 	h = &handler{reqMessages: []string{payload1}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/UnaryCall", makeHeaders(codes.NotFound), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/UnaryCall", makeHeaders(codes.NotFound), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.UnaryCall", codes.NotFound, 1, 0)
+	h.check(t, "testing.TestService.UnaryCall", codes.NotFound, 1, 0)
 }
 
 func TestClientStream(t *testing.T) {
@@ -525,12 +524,12 @@ func TestClientStream(t *testing.T) {
 func doTestClientStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 	// Success
 	h := &handler{reqMessages: []string{payload1, payload2, payload3}}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingInputCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingInputCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.StreamingInputCall", codes.OK, 3, 1) {
+	if h.check(t, "testing.TestService.StreamingInputCall", codes.OK, 3, 1) {
 		expected :=
 			`{
   "aggregatedPayloadSize": 61
@@ -542,21 +541,21 @@ func doTestClientStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSour
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: []string{payload1, payload2, payload3}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingInputCall", makeHeaders(codes.InvalidArgument), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingInputCall", makeHeaders(codes.InvalidArgument), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingInputCall", codes.InvalidArgument, -3, 0)
+	h.check(t, "testing.TestService.StreamingInputCall", codes.InvalidArgument, -3, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: []string{payload1, payload2, payload3}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingInputCall", makeHeaders(codes.Internal, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingInputCall", makeHeaders(codes.Internal, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingInputCall", codes.Internal, 3, 0)
+	h.check(t, "testing.TestService.StreamingInputCall", codes.Internal, 3, 0)
 }
 
 func TestServerStream(t *testing.T) {
@@ -568,9 +567,9 @@ func TestServerStream(t *testing.T) {
 }
 
 func doTestServerStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
-	req := &grpc_testing.StreamingOutputCallRequest{
+	req := &grpcurl_testing.StreamingOutputCallRequest{
-		ResponseType: grpc_testing.PayloadType_COMPRESSABLE,
+		ResponseType: grpcurl_testing.PayloadType_COMPRESSABLE,
-		ResponseParameters: []*grpc_testing.ResponseParameters{
+		ResponseParameters: []*grpcurl_testing.ResponseParameters{
 			{Size: 10}, {Size: 20}, {Size: 30}, {Size: 40}, {Size: 50},
 		},
 	}
@@ -581,19 +580,19 @@ func doTestServerStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSour
 
 	// Success
 	h := &handler{reqMessages: []string{payload}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingOutputCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingOutputCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.StreamingOutputCall", codes.OK, 1, 5) {
+	if h.check(t, "testing.TestService.StreamingOutputCall", codes.OK, 1, 5) {
-		resp := &grpc_testing.StreamingOutputCallResponse{}
+		resp := &grpcurl_testing.StreamingOutputCallResponse{}
 		for i, msg := range h.respMessages {
 			if err := jsonpb.UnmarshalString(msg, resp); err != nil {
 				t.Errorf("failed to parse response %d: %v", i+1, err)
 			}
-			if resp.Payload.GetType() != grpc_testing.PayloadType_COMPRESSABLE {
+			if resp.Payload.GetType() != grpcurl_testing.PayloadType_COMPRESSABLE {
-				t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpc_testing.PayloadType_COMPRESSABLE, resp.Payload.Type)
+				t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpcurl_testing.PayloadType_COMPRESSABLE, resp.Payload.Type)
 			}
 			if len(resp.Payload.Body) != (i+1)*10 {
 				t.Errorf("response %d has wrong payload size; expecting %d, got %d", i, (i+1)*10, len(resp.Payload.Body))
@@ -604,21 +603,21 @@ func doTestServerStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSour
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: []string{payload}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingOutputCall", makeHeaders(codes.Aborted), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingOutputCall", makeHeaders(codes.Aborted), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingOutputCall", codes.Aborted, 1, 0)
+	h.check(t, "testing.TestService.StreamingOutputCall", codes.Aborted, 1, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: []string{payload}}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/StreamingOutputCall", makeHeaders(codes.AlreadyExists, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/StreamingOutputCall", makeHeaders(codes.AlreadyExists, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.StreamingOutputCall", codes.AlreadyExists, 1, 5)
+	h.check(t, "testing.TestService.StreamingOutputCall", codes.AlreadyExists, 1, 5)
 }
 
 func TestHalfDuplexStream(t *testing.T) {
@@ -634,12 +633,12 @@ func doTestHalfDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Success
 	h := &handler{reqMessages: reqs}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/HalfDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/HalfDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.HalfDuplexCall", codes.OK, 3, 3) {
+	if h.check(t, "testing.TestService.HalfDuplexCall", codes.OK, 3, 3) {
 		for i, resp := range h.respMessages {
 			if resp != reqs[i] {
 				t.Errorf("unexpected response %d from RPC:\nexpecting %q\ngot %q", i, reqs[i], resp)
@@ -649,21 +648,21 @@ func doTestHalfDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/HalfDuplexCall", makeHeaders(codes.Canceled), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/HalfDuplexCall", makeHeaders(codes.Canceled), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.HalfDuplexCall", codes.Canceled, -3, 0)
+	h.check(t, "testing.TestService.HalfDuplexCall", codes.Canceled, -3, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/HalfDuplexCall", makeHeaders(codes.DataLoss, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/HalfDuplexCall", makeHeaders(codes.DataLoss, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.HalfDuplexCall", codes.DataLoss, 3, 3)
+	h.check(t, "testing.TestService.HalfDuplexCall", codes.DataLoss, 3, 3)
 }
 
 func TestFullDuplexStream(t *testing.T) {
@@ -676,11 +675,11 @@ func TestFullDuplexStream(t *testing.T) {
 
 func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source DescriptorSource) {
 	reqs := make([]string, 3)
-	req := &grpc_testing.StreamingOutputCallRequest{
+	req := &grpcurl_testing.StreamingOutputCallRequest{
-		ResponseType: grpc_testing.PayloadType_RANDOM,
+		ResponseType: grpcurl_testing.PayloadType_RANDOM,
 	}
 	for i := range reqs {
-		req.ResponseParameters = append(req.ResponseParameters, &grpc_testing.ResponseParameters{Size: int32((i + 1) * 10)})
+		req.ResponseParameters = append(req.ResponseParameters, &grpcurl_testing.ResponseParameters{Size: int32((i + 1) * 10)})
 		payload, err := (&jsonpb.Marshaler{}).MarshalToString(req)
 		if err != nil {
 			t.Fatalf("failed to construct request %d: %v", i, err)
@@ -690,13 +689,13 @@ func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Success
 	h := &handler{reqMessages: reqs}
-	err := InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/FullDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
+	err := InvokeRpc(context.Background(), source, cc, "testing.TestService/FullDuplexCall", makeHeaders(codes.OK), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	if h.check(t, "grpc.testing.TestService.FullDuplexCall", codes.OK, 3, 6) {
+	if h.check(t, "testing.TestService.FullDuplexCall", codes.OK, 3, 6) {
-		resp := &grpc_testing.StreamingOutputCallResponse{}
+		resp := &grpcurl_testing.StreamingOutputCallResponse{}
 		i := 0
 		for j := 1; j < 3; j++ {
 			// three requests
@@ -706,8 +705,8 @@ func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 				if err := jsonpb.UnmarshalString(msg, resp); err != nil {
 					t.Errorf("failed to parse response %d: %v", i+1, err)
 				}
-				if resp.Payload.GetType() != grpc_testing.PayloadType_RANDOM {
+				if resp.Payload.GetType() != grpcurl_testing.PayloadType_RANDOM {
-					t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpc_testing.PayloadType_RANDOM, resp.Payload.Type)
+					t.Errorf("response %d has wrong payload type; expecting %v, got %v", i, grpcurl_testing.PayloadType_RANDOM, resp.Payload.Type)
 				}
 				if len(resp.Payload.Body) != (k+1)*10 {
 					t.Errorf("response %d has wrong payload size; expecting %d, got %d", i, (k+1)*10, len(resp.Payload.Body))
@@ -721,21 +720,21 @@ func doTestFullDuplexStream(t *testing.T, cc *grpc.ClientConn, source Descriptor
 
 	// Fail fast (server rejects as soon as possible)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/FullDuplexCall", makeHeaders(codes.PermissionDenied), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/FullDuplexCall", makeHeaders(codes.PermissionDenied), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.FullDuplexCall", codes.PermissionDenied, -3, 0)
+	h.check(t, "testing.TestService.FullDuplexCall", codes.PermissionDenied, -3, 0)
 
 	// Fail late (server waits until stream is complete to reject)
 	h = &handler{reqMessages: reqs}
-	err = InvokeRpc(context.Background(), source, cc, "grpc.testing.TestService/FullDuplexCall", makeHeaders(codes.ResourceExhausted, true), h, h.getRequestData)
+	err = InvokeRpc(context.Background(), source, cc, "testing.TestService/FullDuplexCall", makeHeaders(codes.ResourceExhausted, true), h, h.getRequestData)
 	if err != nil {
 		t.Fatalf("unexpected error during RPC: %v", err)
 	}
 
-	h.check(t, "grpc.testing.TestService.FullDuplexCall", codes.ResourceExhausted, 3, 6)
+	h.check(t, "testing.TestService.FullDuplexCall", codes.ResourceExhausted, 3, 6)
 }
 
 type handler struct {

internal/testing/cmd/testserver/testserver.go

@@ -13,13 +13,12 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/grpclog"
-	"google.golang.org/grpc/interop/grpc_testing"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/grpc/status"
 
 	"github.com/fullstorydev/grpcurl"
-	grpcurl_testing "github.com/fullstorydev/grpcurl/testing"
+	grpcurl_testing "github.com/fullstorydev/grpcurl/internal/testing"
 )
 
 var (
@@ -96,7 +95,7 @@ func main() {
 
 	svr := grpc.NewServer(opts...)
 
-	grpc_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
 	if !*noreflect {
 		reflection.Register(svr)
 	}

internal/testing/example.proto

@@ -3,7 +3,7 @@ syntax = "proto3";
 import "google/protobuf/descriptor.proto";
 import "google/protobuf/empty.proto";
 import "google/protobuf/timestamp.proto";
-import "testing/example2.proto";
+import "example2.proto";
 
 message TestRequest {
 	repeated string file_names = 1;

internal/testing/test.proto

@@ -18,7 +18,7 @@
 // of unary/streaming requests/responses.
 syntax = "proto3";
 
-package grpc.testing;
+package testing;
 
 message Empty {}
 
@@ -172,5 +172,5 @@ service TestService {
 // that case.
 service UnimplementedService {
   // A call that no server should implement
-  rpc UnimplementedCall(grpc.testing.Empty) returns (grpc.testing.Empty);
+  rpc UnimplementedCall(Empty) returns (Empty);
 }

internal/testing/test_server.go

@@ -1,5 +1,9 @@
 package testing
 
+//go:generate protoc --go_out=plugins=grpc:./ test.proto
+//go:generate protoc --descriptor_set_out=./test.protoset test.proto
+//go:generate protoc --descriptor_set_out=./example.protoset --include_imports example.proto
+
 import (
 	"io"
 	"strconv"
@@ -8,7 +12,6 @@ import (
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
-	"google.golang.org/grpc/interop/grpc_testing"
 	"google.golang.org/grpc/metadata"
 	"google.golang.org/grpc/status"
 
@@ -19,7 +22,7 @@ import (
 type TestServer struct{}
 
 // EmptyCall accepts one empty request and issues one empty response.
-func (TestServer) EmptyCall(ctx context.Context, req *grpc_testing.Empty) (*grpc_testing.Empty, error) {
+func (TestServer) EmptyCall(ctx context.Context, req *Empty) (*Empty, error) {
 	headers, trailers, failEarly, failLate := processMetadata(ctx)
 	grpc.SetHeader(ctx, headers)
 	grpc.SetTrailer(ctx, trailers)
@@ -35,7 +38,7 @@ func (TestServer) EmptyCall(ctx context.Context, req *grpc_testing.Empty) (*grpc
 
 // UnaryCall accepts one request and issues one response. The response includes
 // the client's payload as-is.
-func (TestServer) UnaryCall(ctx context.Context, req *grpc_testing.SimpleRequest) (*grpc_testing.SimpleResponse, error) {
+func (TestServer) UnaryCall(ctx context.Context, req *SimpleRequest) (*SimpleResponse, error) {
 	headers, trailers, failEarly, failLate := processMetadata(ctx)
 	grpc.SetHeader(ctx, headers)
 	grpc.SetTrailer(ctx, trailers)
@@ -46,7 +49,7 @@ func (TestServer) UnaryCall(ctx context.Context, req *grpc_testing.SimpleRequest
 		return nil, status.Error(failLate, "fail")
 	}
 
-	return &grpc_testing.SimpleResponse{
+	return &SimpleResponse{
 		Payload: req.Payload,
 	}, nil
 }
@@ -54,7 +57,7 @@ func (TestServer) UnaryCall(ctx context.Context, req *grpc_testing.SimpleRequest
 // StreamingOutputCall accepts one request and issues a sequence of responses
 // (streamed download). The server returns the payload with client desired type
 // and sizes as specified in the request's ResponseParameters.
-func (TestServer) StreamingOutputCall(req *grpc_testing.StreamingOutputCallRequest, str grpc_testing.TestService_StreamingOutputCallServer) error {
+func (TestServer) StreamingOutputCall(req *StreamingOutputCallRequest, str TestService_StreamingOutputCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -62,7 +65,7 @@ func (TestServer) StreamingOutputCall(req *grpc_testing.StreamingOutputCallReque
 		return status.Error(failEarly, "fail")
 	}
 
-	rsp := &grpc_testing.StreamingOutputCallResponse{Payload: &grpc_testing.Payload{}}
+	rsp := &StreamingOutputCallResponse{Payload: &Payload{}}
 	for _, param := range req.ResponseParameters {
 		if str.Context().Err() != nil {
 			return str.Context().Err()
@@ -92,7 +95,7 @@ func (TestServer) StreamingOutputCall(req *grpc_testing.StreamingOutputCallReque
 // StreamingInputCall accepts a sequence of requests and issues one response
 // (streamed upload). The server returns the aggregated size of client payloads
 // as the result.
-func (TestServer) StreamingInputCall(str grpc_testing.TestService_StreamingInputCallServer) error {
+func (TestServer) StreamingInputCall(str TestService_StreamingInputCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -114,7 +117,7 @@ func (TestServer) StreamingInputCall(str grpc_testing.TestService_StreamingInput
 			sz += len(req.Payload.Body)
 		}
 	}
-	if err := str.SendAndClose(&grpc_testing.StreamingInputCallResponse{AggregatedPayloadSize: int32(sz)}); err != nil {
+	if err := str.SendAndClose(&StreamingInputCallResponse{AggregatedPayloadSize: int32(sz)}); err != nil {
 		return err
 	}
 
@@ -127,7 +130,7 @@ func (TestServer) StreamingInputCall(str grpc_testing.TestService_StreamingInput
 // FullDuplexCall accepts a sequence of requests with each request served by the
 // server immediately. As one request could lead to multiple responses, this
 // interface demonstrates the idea of full duplexing.
-func (TestServer) FullDuplexCall(str grpc_testing.TestService_FullDuplexCallServer) error {
+func (TestServer) FullDuplexCall(str TestService_FullDuplexCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -135,7 +138,7 @@ func (TestServer) FullDuplexCall(str grpc_testing.TestService_FullDuplexCallServ
 		return status.Error(failEarly, "fail")
 	}
 
-	rsp := &grpc_testing.StreamingOutputCallResponse{Payload: &grpc_testing.Payload{}}
+	rsp := &StreamingOutputCallResponse{Payload: &Payload{}}
 	for {
 		if str.Context().Err() != nil {
 			return str.Context().Err()
@@ -170,7 +173,7 @@ func (TestServer) FullDuplexCall(str grpc_testing.TestService_FullDuplexCallServ
 // responses. The server buffers all the client requests and then serves them
 // in order. A stream of responses is returned to the client once the client
 // half-closes the stream.
-func (TestServer) HalfDuplexCall(str grpc_testing.TestService_HalfDuplexCallServer) error {
+func (TestServer) HalfDuplexCall(str TestService_HalfDuplexCallServer) error {
 	headers, trailers, failEarly, failLate := processMetadata(str.Context())
 	str.SetHeader(headers)
 	str.SetTrailer(trailers)
@@ -178,7 +181,7 @@ func (TestServer) HalfDuplexCall(str grpc_testing.TestService_HalfDuplexCallServ
 		return status.Error(failEarly, "fail")
 	}
 
-	var reqs []*grpc_testing.StreamingOutputCallRequest
+	var reqs []*StreamingOutputCallRequest
 	for {
 		if str.Context().Err() != nil {
 			return str.Context().Err()
@@ -192,7 +195,7 @@ func (TestServer) HalfDuplexCall(str grpc_testing.TestService_HalfDuplexCallServ
 			reqs = append(reqs, req)
 		}
 	}
-	rsp := &grpc_testing.StreamingOutputCallResponse{}
+	rsp := &StreamingOutputCallResponse{}
 	for _, req := range reqs {
 		rsp.Payload = req.Payload
 		if err := str.Send(rsp); err != nil {
@@ -251,4 +254,4 @@ func toCode(vals []string) codes.Code {
 	return codes.Code(i)
 }
 
-var _ grpc_testing.TestServiceServer = TestServer{}
+var _ TestServiceServer = TestServer{}

invoke.go

@@ -93,9 +93,17 @@ func InvokeRPC(ctx context.Context, source DescriptorSource, ch grpcdynamic.Chan
 	if svc == "" || mth == "" {
 		return fmt.Errorf("given method name %q is not in expected format: 'service/method' or 'service.method'", methodName)
 	}
+
 	dsc, err := source.FindSymbol(svc)
 	if err != nil {
-		if isNotFoundError(err) {
+		// return a gRPC status error if hasStatus is true
+		errStatus, hasStatus := status.FromError(err)
+		switch {
+		case hasStatus && isNotFoundError(err):
+			return status.Errorf(errStatus.Code(), "target server does not expose service %q: %s", svc, errStatus.Message())
+		case hasStatus:
+			return status.Errorf(errStatus.Code(), "failed to query for service descriptor %q: %s", svc, errStatus.Message())
+		case isNotFoundError(err):
 			return fmt.Errorf("target server does not expose service %q", svc)
 		}
 		return fmt.Errorf("failed to query for service descriptor %q: %v", svc, err)

tls_settings_test.go

@@ -10,10 +10,9 @@ import (
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/credentials"
-	"google.golang.org/grpc/interop/grpc_testing"
 
 	. "github.com/fullstorydev/grpcurl"
-	grpcurl_testing "github.com/fullstorydev/grpcurl/testing"
+	grpcurl_testing "github.com/fullstorydev/grpcurl/internal/testing"
 )
 
 func TestPlainText(t *testing.T) {
@@ -27,11 +26,11 @@ func TestPlainText(t *testing.T) {
 }
 
 func TestBasicTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -46,7 +45,7 @@ func TestBasicTLS(t *testing.T) {
 }
 
 func TestInsecureClientTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -65,11 +64,11 @@ func TestInsecureClientTLS(t *testing.T) {
 }
 
 func TestClientCertTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/client.crt", "testing/tls/client.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/client.crt", "internal/testing/tls/client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -84,11 +83,11 @@ func TestClientCertTLS(t *testing.T) {
 }
 
 func TestRequireClientCertTLS(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", true)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", true)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/client.crt", "testing/tls/client.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/client.crt", "internal/testing/tls/client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -103,7 +102,7 @@ func TestRequireClientCertTLS(t *testing.T) {
 }
 
 func TestBrokenTLS_ClientPlainText(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -148,8 +147,8 @@ func TestBrokenTLS_ClientPlainText(t *testing.T) {
 
 	// but request fails because server closes connection upon seeing request
 	// bytes that are not a TLS handshake
-	cl := grpc_testing.NewTestServiceClient(e.cc)
+	cl := grpcurl_testing.NewTestServiceClient(e.cc)
-	_, err = cl.UnaryCall(context.Background(), &grpc_testing.SimpleRequest{})
+	_, err = cl.UnaryCall(context.Background(), &grpcurl_testing.SimpleRequest{})
 	if err == nil {
 		t.Fatal("expecting failure")
 	}
@@ -164,7 +163,7 @@ func TestBrokenTLS_ClientPlainText(t *testing.T) {
 }
 
 func TestBrokenTLS_ServerPlainText(t *testing.T) {
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -180,11 +179,11 @@ func TestBrokenTLS_ServerPlainText(t *testing.T) {
 }
 
 func TestBrokenTLS_ServerUsesWrongCert(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/other.crt", "testing/tls/other.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/other.crt", "internal/testing/tls/other.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -200,11 +199,11 @@ func TestBrokenTLS_ServerUsesWrongCert(t *testing.T) {
 }
 
 func TestBrokenTLS_ClientHasExpiredCert(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/expired.crt", "testing/tls/expired.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/expired.crt", "internal/testing/tls/expired.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -220,11 +219,11 @@ func TestBrokenTLS_ClientHasExpiredCert(t *testing.T) {
 }
 
 func TestBrokenTLS_ServerHasExpiredCert(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/expired.crt", "testing/tls/expired.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/expired.crt", "internal/testing/tls/expired.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -240,11 +239,11 @@ func TestBrokenTLS_ServerHasExpiredCert(t *testing.T) {
 }
 
 func TestBrokenTLS_ClientNotTrusted(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", true)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", true)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "testing/tls/wrong-client.crt", "testing/tls/wrong-client.key")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "internal/testing/tls/wrong-client.crt", "internal/testing/tls/wrong-client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -260,11 +259,11 @@ func TestBrokenTLS_ClientNotTrusted(t *testing.T) {
 }
 
 func TestBrokenTLS_ServerNotTrusted(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("", "testing/tls/server.crt", "testing/tls/server.key", false)
+	serverCreds, err := ServerTransportCredentials("", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", false)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "", "testing/tls/client.crt", "testing/tls/client.key")
+	clientCreds, err := ClientTransportCredentials(false, "", "internal/testing/tls/client.crt", "internal/testing/tls/client.key")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -280,11 +279,11 @@ func TestBrokenTLS_ServerNotTrusted(t *testing.T) {
 }
 
 func TestBrokenTLS_RequireClientCertButNonePresented(t *testing.T) {
-	serverCreds, err := ServerTransportCredentials("testing/tls/ca.crt", "testing/tls/server.crt", "testing/tls/server.key", true)
+	serverCreds, err := ServerTransportCredentials("internal/testing/tls/ca.crt", "internal/testing/tls/server.crt", "internal/testing/tls/server.key", true)
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
-	clientCreds, err := ClientTransportCredentials(false, "testing/tls/ca.crt", "", "")
+	clientCreds, err := ClientTransportCredentials(false, "internal/testing/tls/ca.crt", "", "")
 	if err != nil {
 		t.Fatalf("failed to create server creds: %v", err)
 	}
@@ -300,10 +299,10 @@ func TestBrokenTLS_RequireClientCertButNonePresented(t *testing.T) {
 }
 
 func simpleTest(t *testing.T, cc *grpc.ClientConn) {
-	cl := grpc_testing.NewTestServiceClient(cc)
+	cl := grpcurl_testing.NewTestServiceClient(cc)
 	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 	defer cancel()
-	_, err := cl.UnaryCall(ctx, &grpc_testing.SimpleRequest{}, grpc.WaitForReady(true))
+	_, err := cl.UnaryCall(ctx, &grpcurl_testing.SimpleRequest{}, grpc.WaitForReady(true))
 	if err != nil {
 		t.Errorf("simple RPC failed: %v", err)
 	}
@@ -323,7 +322,7 @@ func createTestServerAndClient(serverCreds, clientCreds credentials.TransportCre
 		svrOpts = []grpc.ServerOption{grpc.Creds(serverCreds)}
 	}
 	svr := grpc.NewServer(svrOpts...)
-	grpc_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
+	grpcurl_testing.RegisterTestServiceServer(svr, grpcurl_testing.TestServer{})
 	l, err := net.Listen("tcp", "127.0.0.1:0")
 	if err != nil {
 		return e, err