iam/credentials/apiv1/mock_test.go - gocloud - Git at Google

 // Copyright 2019 Google LLC
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     https://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.

 // Code generated by gapic-generator. DO NOT EDIT.

 package credentials

 import (
 	"context"
 	"flag"
 	"fmt"
 	"io"
 	"log"
 	"net"
 	"os"
 	"strings"
 	"testing"

 	"github.com/golang/protobuf/proto"
 	"github.com/golang/protobuf/ptypes"
 	"google.golang.org/api/option"
 	credentialspb "google.golang.org/genproto/googleapis/iam/credentials/v1"

 	status "google.golang.org/genproto/googleapis/rpc/status"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/metadata"

 	gstatus "google.golang.org/grpc/status"
 )

 var _ = io.EOF
 var _ = ptypes.MarshalAny
 var _ status.Status

 type mockIamCredentialsServer struct {
 	// Embed for forward compatibility.
 	// Tests will keep working if more methods are added
 	// in the future.
 	credentialspb.IAMCredentialsServer

 	reqs []proto.Message

 	// If set, all calls return this error.
 	err error

 	// responses to return if err == nil
 	resps []proto.Message
 }

 func (s *mockIamCredentialsServer) GenerateAccessToken(ctx context.Context, req *credentialspb.GenerateAccessTokenRequest) (*credentialspb.GenerateAccessTokenResponse, error) {
 	md, _ := metadata.FromIncomingContext(ctx)
 	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
 		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
 	}
 	s.reqs = append(s.reqs, req)
 	if s.err != nil {
 		return nil, s.err
 	}
 	return s.resps[0].(*credentialspb.GenerateAccessTokenResponse), nil
 }

 func (s *mockIamCredentialsServer) GenerateIdToken(ctx context.Context, req *credentialspb.GenerateIdTokenRequest) (*credentialspb.GenerateIdTokenResponse, error) {
 	md, _ := metadata.FromIncomingContext(ctx)
 	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
 		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
 	}
 	s.reqs = append(s.reqs, req)
 	if s.err != nil {
 		return nil, s.err
 	}
 	return s.resps[0].(*credentialspb.GenerateIdTokenResponse), nil
 }

 func (s *mockIamCredentialsServer) SignBlob(ctx context.Context, req *credentialspb.SignBlobRequest) (*credentialspb.SignBlobResponse, error) {
 	md, _ := metadata.FromIncomingContext(ctx)
 	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
 		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
 	}
 	s.reqs = append(s.reqs, req)
 	if s.err != nil {
 		return nil, s.err
 	}
 	return s.resps[0].(*credentialspb.SignBlobResponse), nil
 }

 func (s *mockIamCredentialsServer) SignJwt(ctx context.Context, req *credentialspb.SignJwtRequest) (*credentialspb.SignJwtResponse, error) {
 	md, _ := metadata.FromIncomingContext(ctx)
 	if xg := md["x-goog-api-client"]; len(xg) == 0 || !strings.Contains(xg[0], "gl-go/") {
 		return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
 	}
 	s.reqs = append(s.reqs, req)
 	if s.err != nil {
 		return nil, s.err
 	}
 	return s.resps[0].(*credentialspb.SignJwtResponse), nil
 }

 // clientOpt is the option tests should use to connect to the test server.
 // It is initialized by TestMain.
 var clientOpt option.ClientOption

 var (
 	mockIamCredentials mockIamCredentialsServer
 )

 func TestMain(m *testing.M) {
 	flag.Parse()

 	serv := grpc.NewServer()
 	credentialspb.RegisterIAMCredentialsServer(serv, &mockIamCredentials)

 	lis, err := net.Listen("tcp", "localhost:0")
 	if err != nil {
 		log.Fatal(err)
 	}
 	go serv.Serve(lis)

 	conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
 	if err != nil {
 		log.Fatal(err)
 	}
 	clientOpt = option.WithGRPCConn(conn)

 	os.Exit(m.Run())
 }

 func TestIamCredentialsGenerateAccessToken(t *testing.T) {
 	var accessToken string = "accessToken-1938933922"
 	var expectedResponse = &credentialspb.GenerateAccessTokenResponse{
 		AccessToken: accessToken,
 	}

 	mockIamCredentials.err = nil
 	mockIamCredentials.reqs = nil

 	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var scope []string = nil
 	var request = &credentialspb.GenerateAccessTokenRequest{
 		Name:  formattedName,
 		Scope: scope,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.GenerateAccessToken(context.Background(), request)

 	if err != nil {
 		t.Fatal(err)
 	}

 	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
 		t.Errorf("wrong request %q, want %q", got, want)
 	}

 	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
 		t.Errorf("wrong response %q, want %q)", got, want)
 	}
 }

 func TestIamCredentialsGenerateAccessTokenError(t *testing.T) {
 	errCode := codes.PermissionDenied
 	mockIamCredentials.err = gstatus.Error(errCode, "test error")

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var scope []string = nil
 	var request = &credentialspb.GenerateAccessTokenRequest{
 		Name:  formattedName,
 		Scope: scope,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.GenerateAccessToken(context.Background(), request)

 	if st, ok := gstatus.FromError(err); !ok {
 		t.Errorf("got error %v, expected grpc error", err)
 	} else if c := st.Code(); c != errCode {
 		t.Errorf("got error code %q, want %q", c, errCode)
 	}
 	_ = resp
 }
 func TestIamCredentialsGenerateIdToken(t *testing.T) {
 	var token string = "token110541305"
 	var expectedResponse = &credentialspb.GenerateIdTokenResponse{
 		Token: token,
 	}

 	mockIamCredentials.err = nil
 	mockIamCredentials.reqs = nil

 	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var audience string = "audience975628804"
 	var request = &credentialspb.GenerateIdTokenRequest{
 		Name:     formattedName,
 		Audience: audience,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.GenerateIdToken(context.Background(), request)

 	if err != nil {
 		t.Fatal(err)
 	}

 	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
 		t.Errorf("wrong request %q, want %q", got, want)
 	}

 	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
 		t.Errorf("wrong response %q, want %q)", got, want)
 	}
 }

 func TestIamCredentialsGenerateIdTokenError(t *testing.T) {
 	errCode := codes.PermissionDenied
 	mockIamCredentials.err = gstatus.Error(errCode, "test error")

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var audience string = "audience975628804"
 	var request = &credentialspb.GenerateIdTokenRequest{
 		Name:     formattedName,
 		Audience: audience,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.GenerateIdToken(context.Background(), request)

 	if st, ok := gstatus.FromError(err); !ok {
 		t.Errorf("got error %v, expected grpc error", err)
 	} else if c := st.Code(); c != errCode {
 		t.Errorf("got error code %q, want %q", c, errCode)
 	}
 	_ = resp
 }
 func TestIamCredentialsSignBlob(t *testing.T) {
 	var keyId string = "keyId-1134673157"
 	var signedBlob []byte = []byte("-32")
 	var expectedResponse = &credentialspb.SignBlobResponse{
 		KeyId:      keyId,
 		SignedBlob: signedBlob,
 	}

 	mockIamCredentials.err = nil
 	mockIamCredentials.reqs = nil

 	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var payload []byte = []byte("-114")
 	var request = &credentialspb.SignBlobRequest{
 		Name:    formattedName,
 		Payload: payload,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.SignBlob(context.Background(), request)

 	if err != nil {
 		t.Fatal(err)
 	}

 	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
 		t.Errorf("wrong request %q, want %q", got, want)
 	}

 	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
 		t.Errorf("wrong response %q, want %q)", got, want)
 	}
 }

 func TestIamCredentialsSignBlobError(t *testing.T) {
 	errCode := codes.PermissionDenied
 	mockIamCredentials.err = gstatus.Error(errCode, "test error")

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var payload []byte = []byte("-114")
 	var request = &credentialspb.SignBlobRequest{
 		Name:    formattedName,
 		Payload: payload,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.SignBlob(context.Background(), request)

 	if st, ok := gstatus.FromError(err); !ok {
 		t.Errorf("got error %v, expected grpc error", err)
 	} else if c := st.Code(); c != errCode {
 		t.Errorf("got error code %q, want %q", c, errCode)
 	}
 	_ = resp
 }
 func TestIamCredentialsSignJwt(t *testing.T) {
 	var keyId string = "keyId-1134673157"
 	var signedJwt string = "signedJwt-979546844"
 	var expectedResponse = &credentialspb.SignJwtResponse{
 		KeyId:     keyId,
 		SignedJwt: signedJwt,
 	}

 	mockIamCredentials.err = nil
 	mockIamCredentials.reqs = nil

 	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var payload string = "-114"
 	var request = &credentialspb.SignJwtRequest{
 		Name:    formattedName,
 		Payload: payload,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.SignJwt(context.Background(), request)

 	if err != nil {
 		t.Fatal(err)
 	}

 	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
 		t.Errorf("wrong request %q, want %q", got, want)
 	}

 	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
 		t.Errorf("wrong response %q, want %q)", got, want)
 	}
 }

 func TestIamCredentialsSignJwtError(t *testing.T) {
 	errCode := codes.PermissionDenied
 	mockIamCredentials.err = gstatus.Error(errCode, "test error")

 	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
 	var payload string = "-114"
 	var request = &credentialspb.SignJwtRequest{
 		Name:    formattedName,
 		Payload: payload,
 	}

 	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
 	if err != nil {
 		t.Fatal(err)
 	}

 	resp, err := c.SignJwt(context.Background(), request)

 	if st, ok := gstatus.FromError(err); !ok {
 		t.Errorf("got error %v, expected grpc error", err)
 	} else if c := st.Code(); c != errCode {
 		t.Errorf("got error code %q, want %q", c, errCode)
 	}
 	_ = resp
 }
	// Copyright 2019 Google LLC
	//
	// Licensed under the Apache License, Version 2.0 (the "License");
	// you may not use this file except in compliance with the License.
	// You may obtain a copy of the License at
	//
	// https://www.apache.org/licenses/LICENSE-2.0
	//
	// Unless required by applicable law or agreed to in writing, software
	// distributed under the License is distributed on an "AS IS" BASIS,
	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	// See the License for the specific language governing permissions and
	// limitations under the License.

	// Code generated by gapic-generator. DO NOT EDIT.

	package credentials

	import (
	"context"
	"flag"
	"fmt"
	"io"
	"log"
	"net"
	"os"
	"strings"
	"testing"

	"github.com/golang/protobuf/proto"
	"github.com/golang/protobuf/ptypes"
	"google.golang.org/api/option"
	credentialspb "google.golang.org/genproto/googleapis/iam/credentials/v1"

	status "google.golang.org/genproto/googleapis/rpc/status"
	"google.golang.org/grpc"
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/metadata"

	gstatus "google.golang.org/grpc/status"
	)

	var _ = io.EOF
	var _ = ptypes.MarshalAny
	var _ status.Status

	type mockIamCredentialsServer struct {
	// Embed for forward compatibility.
	// Tests will keep working if more methods are added
	// in the future.
	credentialspb.IAMCredentialsServer

	reqs []proto.Message

	// If set, all calls return this error.
	err error

	// responses to return if err == nil
	resps []proto.Message
	}

	func (s mockIamCredentialsServer) GenerateAccessToken(ctx context.Context, req credentialspb.GenerateAccessTokenRequest) (*credentialspb.GenerateAccessTokenResponse, error) {
	md, _ := metadata.FromIncomingContext(ctx)
	if xg := md["x-goog-api-client"]; len(xg) == 0 \|\| !strings.Contains(xg[0], "gl-go/") {
	return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
	}
	s.reqs = append(s.reqs, req)
	if s.err != nil {
	return nil, s.err
	}
	return s.resps[0].(*credentialspb.GenerateAccessTokenResponse), nil
	}

	func (s mockIamCredentialsServer) GenerateIdToken(ctx context.Context, req credentialspb.GenerateIdTokenRequest) (*credentialspb.GenerateIdTokenResponse, error) {
	md, _ := metadata.FromIncomingContext(ctx)
	if xg := md["x-goog-api-client"]; len(xg) == 0 \|\| !strings.Contains(xg[0], "gl-go/") {
	return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
	}
	s.reqs = append(s.reqs, req)
	if s.err != nil {
	return nil, s.err
	}
	return s.resps[0].(*credentialspb.GenerateIdTokenResponse), nil
	}

	func (s mockIamCredentialsServer) SignBlob(ctx context.Context, req credentialspb.SignBlobRequest) (*credentialspb.SignBlobResponse, error) {
	md, _ := metadata.FromIncomingContext(ctx)
	if xg := md["x-goog-api-client"]; len(xg) == 0 \|\| !strings.Contains(xg[0], "gl-go/") {
	return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
	}
	s.reqs = append(s.reqs, req)
	if s.err != nil {
	return nil, s.err
	}
	return s.resps[0].(*credentialspb.SignBlobResponse), nil
	}

	func (s mockIamCredentialsServer) SignJwt(ctx context.Context, req credentialspb.SignJwtRequest) (*credentialspb.SignJwtResponse, error) {
	md, _ := metadata.FromIncomingContext(ctx)
	if xg := md["x-goog-api-client"]; len(xg) == 0 \|\| !strings.Contains(xg[0], "gl-go/") {
	return nil, fmt.Errorf("x-goog-api-client = %v, expected gl-go key", xg)
	}
	s.reqs = append(s.reqs, req)
	if s.err != nil {
	return nil, s.err
	}
	return s.resps[0].(*credentialspb.SignJwtResponse), nil
	}

	// clientOpt is the option tests should use to connect to the test server.
	// It is initialized by TestMain.
	var clientOpt option.ClientOption

	var (
	mockIamCredentials mockIamCredentialsServer
	)

	func TestMain(m *testing.M) {
	flag.Parse()

	serv := grpc.NewServer()
	credentialspb.RegisterIAMCredentialsServer(serv, &mockIamCredentials)

	lis, err := net.Listen("tcp", "localhost:0")
	if err != nil {
	log.Fatal(err)
	}
	go serv.Serve(lis)

	conn, err := grpc.Dial(lis.Addr().String(), grpc.WithInsecure())
	if err != nil {
	log.Fatal(err)
	}
	clientOpt = option.WithGRPCConn(conn)

	os.Exit(m.Run())
	}

	func TestIamCredentialsGenerateAccessToken(t *testing.T) {
	var accessToken string = "accessToken-1938933922"
	var expectedResponse = &credentialspb.GenerateAccessTokenResponse{
	AccessToken: accessToken,
	}

	mockIamCredentials.err = nil
	mockIamCredentials.reqs = nil

	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var scope []string = nil
	var request = &credentialspb.GenerateAccessTokenRequest{
	Name: formattedName,
	Scope: scope,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.GenerateAccessToken(context.Background(), request)

	if err != nil {
	t.Fatal(err)
	}

	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
	t.Errorf("wrong request %q, want %q", got, want)
	}

	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
	t.Errorf("wrong response %q, want %q)", got, want)
	}
	}

	func TestIamCredentialsGenerateAccessTokenError(t *testing.T) {
	errCode := codes.PermissionDenied
	mockIamCredentials.err = gstatus.Error(errCode, "test error")

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var scope []string = nil
	var request = &credentialspb.GenerateAccessTokenRequest{
	Name: formattedName,
	Scope: scope,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.GenerateAccessToken(context.Background(), request)

	if st, ok := gstatus.FromError(err); !ok {
	t.Errorf("got error %v, expected grpc error", err)
	} else if c := st.Code(); c != errCode {
	t.Errorf("got error code %q, want %q", c, errCode)
	}
	_ = resp
	}
	func TestIamCredentialsGenerateIdToken(t *testing.T) {
	var token string = "token110541305"
	var expectedResponse = &credentialspb.GenerateIdTokenResponse{
	Token: token,
	}

	mockIamCredentials.err = nil
	mockIamCredentials.reqs = nil

	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var audience string = "audience975628804"
	var request = &credentialspb.GenerateIdTokenRequest{
	Name: formattedName,
	Audience: audience,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.GenerateIdToken(context.Background(), request)

	if err != nil {
	t.Fatal(err)
	}

	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
	t.Errorf("wrong request %q, want %q", got, want)
	}

	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
	t.Errorf("wrong response %q, want %q)", got, want)
	}
	}

	func TestIamCredentialsGenerateIdTokenError(t *testing.T) {
	errCode := codes.PermissionDenied
	mockIamCredentials.err = gstatus.Error(errCode, "test error")

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var audience string = "audience975628804"
	var request = &credentialspb.GenerateIdTokenRequest{
	Name: formattedName,
	Audience: audience,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.GenerateIdToken(context.Background(), request)

	if st, ok := gstatus.FromError(err); !ok {
	t.Errorf("got error %v, expected grpc error", err)
	} else if c := st.Code(); c != errCode {
	t.Errorf("got error code %q, want %q", c, errCode)
	}
	_ = resp
	}
	func TestIamCredentialsSignBlob(t *testing.T) {
	var keyId string = "keyId-1134673157"
	var signedBlob []byte = []byte("-32")
	var expectedResponse = &credentialspb.SignBlobResponse{
	KeyId: keyId,
	SignedBlob: signedBlob,
	}

	mockIamCredentials.err = nil
	mockIamCredentials.reqs = nil

	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var payload []byte = []byte("-114")
	var request = &credentialspb.SignBlobRequest{
	Name: formattedName,
	Payload: payload,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.SignBlob(context.Background(), request)

	if err != nil {
	t.Fatal(err)
	}

	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
	t.Errorf("wrong request %q, want %q", got, want)
	}

	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
	t.Errorf("wrong response %q, want %q)", got, want)
	}
	}

	func TestIamCredentialsSignBlobError(t *testing.T) {
	errCode := codes.PermissionDenied
	mockIamCredentials.err = gstatus.Error(errCode, "test error")

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var payload []byte = []byte("-114")
	var request = &credentialspb.SignBlobRequest{
	Name: formattedName,
	Payload: payload,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.SignBlob(context.Background(), request)

	if st, ok := gstatus.FromError(err); !ok {
	t.Errorf("got error %v, expected grpc error", err)
	} else if c := st.Code(); c != errCode {
	t.Errorf("got error code %q, want %q", c, errCode)
	}
	_ = resp
	}
	func TestIamCredentialsSignJwt(t *testing.T) {
	var keyId string = "keyId-1134673157"
	var signedJwt string = "signedJwt-979546844"
	var expectedResponse = &credentialspb.SignJwtResponse{
	KeyId: keyId,
	SignedJwt: signedJwt,
	}

	mockIamCredentials.err = nil
	mockIamCredentials.reqs = nil

	mockIamCredentials.resps = append(mockIamCredentials.resps[:0], expectedResponse)

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var payload string = "-114"
	var request = &credentialspb.SignJwtRequest{
	Name: formattedName,
	Payload: payload,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.SignJwt(context.Background(), request)

	if err != nil {
	t.Fatal(err)
	}

	if want, got := request, mockIamCredentials.reqs[0]; !proto.Equal(want, got) {
	t.Errorf("wrong request %q, want %q", got, want)
	}

	if want, got := expectedResponse, resp; !proto.Equal(want, got) {
	t.Errorf("wrong response %q, want %q)", got, want)
	}
	}

	func TestIamCredentialsSignJwtError(t *testing.T) {
	errCode := codes.PermissionDenied
	mockIamCredentials.err = gstatus.Error(errCode, "test error")

	var formattedName string = fmt.Sprintf("projects/%s/serviceAccounts/%s", "[PROJECT]", "[SERVICE_ACCOUNT]")
	var payload string = "-114"
	var request = &credentialspb.SignJwtRequest{
	Name: formattedName,
	Payload: payload,
	}

	c, err := NewIamCredentialsClient(context.Background(), clientOpt)
	if err != nil {
	t.Fatal(err)
	}

	resp, err := c.SignJwt(context.Background(), request)

	if st, ok := gstatus.FromError(err); !ok {
	t.Errorf("got error %v, expected grpc error", err)
	} else if c := st.Code(); c != errCode {
	t.Errorf("got error code %q, want %q", c, errCode)
	}
	_ = resp
	}