262 lines
6.4 KiB
Go
262 lines
6.4 KiB
Go
/*
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*
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* Copyright 2017 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package status
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import (
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"errors"
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"fmt"
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"reflect"
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"testing"
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"github.com/golang/protobuf/proto"
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"github.com/golang/protobuf/ptypes"
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apb "github.com/golang/protobuf/ptypes/any"
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dpb "github.com/golang/protobuf/ptypes/duration"
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cpb "google.golang.org/genproto/googleapis/rpc/code"
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epb "google.golang.org/genproto/googleapis/rpc/errdetails"
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spb "google.golang.org/genproto/googleapis/rpc/status"
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"google.golang.org/grpc/codes"
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)
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func TestErrorsWithSameParameters(t *testing.T) {
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const description = "some description"
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e1 := Errorf(codes.AlreadyExists, description)
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e2 := Errorf(codes.AlreadyExists, description)
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if e1 == e2 || !reflect.DeepEqual(e1, e2) {
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t.Fatalf("Errors should be equivalent but unique - e1: %v, %v e2: %p, %v", e1.(*statusError), e1, e2.(*statusError), e2)
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}
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}
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func TestFromToProto(t *testing.T) {
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s := &spb.Status{
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Code: int32(codes.Internal),
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Message: "test test test",
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Details: []*apb.Any{{TypeUrl: "foo", Value: []byte{3, 2, 1}}},
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}
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err := FromProto(s)
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if got := err.Proto(); !proto.Equal(s, got) {
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t.Fatalf("Expected errors to be identical - s: %v got: %v", s, got)
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}
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}
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func TestFromNilProto(t *testing.T) {
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tests := []*Status{nil, FromProto(nil)}
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for _, s := range tests {
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if c := s.Code(); c != codes.OK {
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t.Errorf("s: %v - Expected s.Code() = OK; got %v", s, c)
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}
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if m := s.Message(); m != "" {
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t.Errorf("s: %v - Expected s.Message() = \"\"; got %q", s, m)
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}
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if p := s.Proto(); p != nil {
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t.Errorf("s: %v - Expected s.Proto() = nil; got %q", s, p)
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}
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if e := s.Err(); e != nil {
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t.Errorf("s: %v - Expected s.Err() = nil; got %v", s, e)
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}
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}
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}
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func TestError(t *testing.T) {
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err := Error(codes.Internal, "test description")
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if got, want := err.Error(), "rpc error: code = Internal desc = test description"; got != want {
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t.Fatalf("err.Error() = %q; want %q", got, want)
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}
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s, _ := FromError(err)
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if got, want := s.Code(), codes.Internal; got != want {
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t.Fatalf("err.Code() = %s; want %s", got, want)
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}
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if got, want := s.Message(), "test description"; got != want {
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t.Fatalf("err.Message() = %s; want %s", got, want)
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}
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}
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func TestErrorOK(t *testing.T) {
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err := Error(codes.OK, "foo")
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if err != nil {
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t.Fatalf("Error(codes.OK, _) = %p; want nil", err.(*statusError))
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}
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}
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func TestErrorProtoOK(t *testing.T) {
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s := &spb.Status{Code: int32(codes.OK)}
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if got := ErrorProto(s); got != nil {
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t.Fatalf("ErrorProto(%v) = %v; want nil", s, got)
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}
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}
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func TestFromError(t *testing.T) {
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code, message := codes.Internal, "test description"
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err := Error(code, message)
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s, ok := FromError(err)
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if !ok || s.Code() != code || s.Message() != message || s.Err() == nil {
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t.Fatalf("FromError(%v) = %v, %v; want <Code()=%s, Message()=%q, Err()!=nil>, true", err, s, ok, code, message)
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}
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}
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func TestFromErrorOK(t *testing.T) {
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code, message := codes.OK, ""
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s, ok := FromError(nil)
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if !ok || s.Code() != code || s.Message() != message || s.Err() != nil {
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t.Fatalf("FromError(nil) = %v, %v; want <Code()=%s, Message()=%q, Err=nil>, true", s, ok, code, message)
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}
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}
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func TestStatus_ErrorDetails(t *testing.T) {
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tests := []struct {
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code codes.Code
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details []proto.Message
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}{
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{
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code: codes.NotFound,
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details: nil,
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},
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{
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code: codes.NotFound,
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details: []proto.Message{
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&epb.ResourceInfo{
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ResourceType: "book",
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ResourceName: "projects/1234/books/5678",
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Owner: "User",
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},
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},
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},
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{
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code: codes.Internal,
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details: []proto.Message{
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&epb.DebugInfo{
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StackEntries: []string{
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"first stack",
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"second stack",
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},
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},
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},
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},
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{
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code: codes.Unavailable,
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details: []proto.Message{
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&epb.RetryInfo{
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RetryDelay: &dpb.Duration{Seconds: 60},
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},
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&epb.ResourceInfo{
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ResourceType: "book",
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ResourceName: "projects/1234/books/5678",
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Owner: "User",
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},
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},
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},
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}
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for _, tc := range tests {
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s, err := New(tc.code, "").WithDetails(tc.details...)
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if err != nil {
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t.Fatalf("(%v).WithDetails(%+v) failed: %v", str(s), tc.details, err)
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}
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details := s.Details()
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for i := range details {
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if !proto.Equal(details[i].(proto.Message), tc.details[i]) {
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t.Fatalf("(%v).Details()[%d] = %+v, want %+v", str(s), i, details[i], tc.details[i])
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}
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}
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}
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}
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func TestStatus_WithDetails_Fail(t *testing.T) {
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tests := []*Status{
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nil,
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FromProto(nil),
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New(codes.OK, ""),
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}
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for _, s := range tests {
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if s, err := s.WithDetails(); err == nil || s != nil {
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t.Fatalf("(%v).WithDetails(%+v) = %v, %v; want nil, non-nil", str(s), []proto.Message{}, s, err)
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}
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}
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}
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func TestStatus_ErrorDetails_Fail(t *testing.T) {
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tests := []struct {
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s *Status
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i []interface{}
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}{
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{
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nil,
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nil,
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},
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{
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FromProto(nil),
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nil,
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},
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{
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New(codes.OK, ""),
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[]interface{}{},
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},
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{
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FromProto(&spb.Status{
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Code: int32(cpb.Code_CANCELLED),
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Details: []*apb.Any{
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{
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TypeUrl: "",
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Value: []byte{},
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},
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mustMarshalAny(&epb.ResourceInfo{
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ResourceType: "book",
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ResourceName: "projects/1234/books/5678",
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Owner: "User",
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}),
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},
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}),
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[]interface{}{
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errors.New(`message type url "" is invalid`),
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&epb.ResourceInfo{
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ResourceType: "book",
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ResourceName: "projects/1234/books/5678",
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Owner: "User",
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},
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},
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},
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}
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for _, tc := range tests {
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got := tc.s.Details()
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if !reflect.DeepEqual(got, tc.i) {
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t.Errorf("(%v).Details() = %+v, want %+v", str(tc.s), got, tc.i)
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}
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}
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}
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func str(s *Status) string {
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if s == nil {
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return "nil"
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}
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if s.s == nil {
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return "<Code=OK>"
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}
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return fmt.Sprintf("<Code=%v, Message=%q, Details=%+v>", codes.Code(s.s.GetCode()), s.s.GetMessage(), s.s.GetDetails())
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}
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// mustMarshalAny converts a protobuf message to an any.
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func mustMarshalAny(msg proto.Message) *apb.Any {
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any, err := ptypes.MarshalAny(msg)
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if err != nil {
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panic(fmt.Sprintf("ptypes.MarshalAny(%+v) failed: %v", msg, err))
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}
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return any
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}
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