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