github.com/SagerNet/gvisor@v0.0.0-20210707092255-7731c139d75c/pkg/shim/utils/errors_test.go (about)

     1  // Copyright 2021 The gVisor Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     https://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package utils
    16  
    17  import (
    18  	"fmt"
    19  	"testing"
    20  
    21  	"github.com/containerd/containerd/errdefs"
    22  )
    23  
    24  func TestGRPCRoundTripsErrors(t *testing.T) {
    25  	for _, tc := range []struct {
    26  		name string
    27  		err  error
    28  		test func(err error) bool
    29  	}{
    30  		{
    31  			name: "passthrough",
    32  			err:  errdefs.ErrNotFound,
    33  			test: errdefs.IsNotFound,
    34  		},
    35  		{
    36  			name: "wrapped",
    37  			err:  fmt.Errorf("oh no: %w", errdefs.ErrNotFound),
    38  			test: errdefs.IsNotFound,
    39  		},
    40  	} {
    41  		t.Run(tc.name, func(t *testing.T) {
    42  			if err := errdefs.FromGRPC(ErrToGRPC(tc.err)); !tc.test(err) {
    43  				t.Errorf("errToGRPC got %+v", err)
    44  			}
    45  			if err := errdefs.FromGRPC(ErrToGRPCf(tc.err, "testing %s", "123")); !tc.test(err) {
    46  				t.Errorf("errToGRPCf got %+v", err)
    47  			}
    48  		})
    49  	}
    50  }