82 строки
2.6 KiB
Go
82 строки
2.6 KiB
Go
/*
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*
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* Copyright 2019 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_test
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import (
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"errors"
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"testing"
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"github.com/golang/protobuf/proto"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/internal/grpctest"
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"google.golang.org/grpc/status"
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"google.golang.org/grpc/test/grpc_testing"
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)
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type s struct {
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grpctest.Tester
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}
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func Test(t *testing.T) {
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grpctest.RunSubTests(t, s{})
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}
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func errWithDetails(t *testing.T, s *status.Status, details ...proto.Message) error {
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t.Helper()
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res, err := s.WithDetails(details...)
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if err != nil {
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t.Fatalf("(%v).WithDetails(%v) = %v, %v; want _, <nil>", s, details, res, err)
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}
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return res.Err()
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}
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func (s) TestErrorIs(t *testing.T) {
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// Test errors.
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testErr := status.Error(codes.Internal, "internal server error")
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testErrWithDetails := errWithDetails(t, status.New(codes.Internal, "internal server error"), &grpc_testing.Empty{})
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// Test cases.
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testCases := []struct {
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err1, err2 error
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want bool
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}{
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{err1: testErr, err2: nil, want: false},
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{err1: testErr, err2: status.Error(codes.Internal, "internal server error"), want: true},
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{err1: testErr, err2: status.Error(codes.Internal, "internal error"), want: false},
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{err1: testErr, err2: status.Error(codes.Unknown, "internal server error"), want: false},
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{err1: testErr, err2: errors.New("non-grpc error"), want: false},
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{err1: testErrWithDetails, err2: status.Error(codes.Internal, "internal server error"), want: false},
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{err1: testErrWithDetails, err2: errWithDetails(t, status.New(codes.Internal, "internal server error"), &grpc_testing.Empty{}), want: true},
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{err1: testErrWithDetails, err2: errWithDetails(t, status.New(codes.Internal, "internal server error"), &grpc_testing.Empty{}, &grpc_testing.Empty{}), want: false},
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}
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for _, tc := range testCases {
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isError, ok := tc.err1.(interface{ Is(target error) bool })
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if !ok {
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t.Errorf("(%v) does not implement is", tc.err1)
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continue
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}
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is := isError.Is(tc.err2)
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if is != tc.want {
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t.Errorf("(%v).Is(%v) = %t; want %t", tc.err1, tc.err2, is, tc.want)
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}
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}
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}
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