github.com/thiagoyeds/go-cloud@v0.26.0/gcerrors/errors_test.go (about)

     1  // Copyright 2019 The Go Cloud Development Kit 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 gcerrors
    16  
    17  import (
    18  	"context"
    19  	"io"
    20  	"testing"
    21  
    22  	"gocloud.dev/internal/gcerr"
    23  )
    24  
    25  type wrappedErr struct {
    26  	err error
    27  }
    28  
    29  func (w wrappedErr) Error() string { return "wrapped" }
    30  
    31  func (w wrappedErr) Unwrap() error { return w.err }
    32  
    33  func TestCode(t *testing.T) {
    34  	for _, test := range []struct {
    35  		in   error
    36  		want ErrorCode
    37  	}{
    38  		{nil, OK},
    39  		{gcerr.New(AlreadyExists, nil, 1, ""), AlreadyExists},
    40  		{wrappedErr{gcerr.New(PermissionDenied, nil, 1, "")}, PermissionDenied},
    41  		{context.Canceled, Canceled},
    42  		{context.DeadlineExceeded, DeadlineExceeded},
    43  		{wrappedErr{context.Canceled}, Canceled},
    44  		{wrappedErr{context.DeadlineExceeded}, DeadlineExceeded},
    45  		{io.EOF, Unknown},
    46  	} {
    47  		got := Code(test.in)
    48  		if got != test.want {
    49  			t.Errorf("%v: got %s, want %s", test.in, got, test.want)
    50  		}
    51  	}
    52  }