github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/rest/client_test.go (about)

     1  // Copyright (c) 2015-2021 MinIO, Inc.
     2  //
     3  // This file is part of MinIO Object Storage stack
     4  //
     5  // This program is free software: you can redistribute it and/or modify
     6  // it under the terms of the GNU Affero General Public License as published by
     7  // the Free Software Foundation, either version 3 of the License, or
     8  // (at your option) any later version.
     9  //
    10  // This program is distributed in the hope that it will be useful
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13  // GNU Affero General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Affero General Public License
    16  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17  
    18  package rest
    19  
    20  import (
    21  	"errors"
    22  	"net"
    23  	"net/url"
    24  	"testing"
    25  )
    26  
    27  func TestNetworkError_Unwrap(t *testing.T) {
    28  	tests := []struct {
    29  		name   string
    30  		err    error
    31  		target interface{}
    32  		want   bool
    33  	}{
    34  		{
    35  			name:   "url.Error",
    36  			err:    &url.Error{Op: "PUT", URL: "http://localhost/1234", Err: restError("remote server offline")},
    37  			target: &url.Error{},
    38  			want:   true,
    39  		},
    40  		{
    41  			name: "net.Error",
    42  			err:  &url.Error{Op: "PUT", URL: "http://localhost/1234", Err: restError("remote server offline")},
    43  			want: true,
    44  		},
    45  		{
    46  			name: "net.Error-unmatched",
    47  			err:  errors.New("something"),
    48  			want: false,
    49  		},
    50  	}
    51  	for _, tt := range tests {
    52  		t.Run(tt.name, func(t *testing.T) {
    53  			// Wrap error
    54  			n := &NetworkError{
    55  				Err: tt.err,
    56  			}
    57  			//nolint:gocritic
    58  			if tt.target == nil {
    59  				var netErrInterface net.Error
    60  				if errors.As(n, &netErrInterface) != tt.want {
    61  					t.Errorf("errors.As(n, &tt.target) != tt.want, n: %#v, target: %#v, want:%v, got: %v", n, tt.target, tt.want, !tt.want)
    62  				}
    63  			} else {
    64  				if errors.As(n, &tt.target) != tt.want {
    65  					t.Errorf("errors.As(n, &tt.target) != tt.want, n: %#v, target: %#v, want:%v, got: %v", n, tt.target, tt.want, !tt.want)
    66  				}
    67  			}
    68  		})
    69  	}
    70  }