nss_test.go

Documentation: net

     1  // Copyright 2015 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
     6  // +build darwin dragonfly freebsd linux netbsd openbsd solaris
     7  
     8  package net
     9  
    10  import (
    11  	"reflect"
    12  	"strings"
    13  	"testing"
    14  )
    15  
    16  const ubuntuTrustyAvahi = `# /etc/nsswitch.conf
    17  #
    18  # Example configuration of GNU Name Service Switch functionality.
    19  # If you have the libc-doc-reference' and nfo' packages installed, try:
    20  # nfo libc "Name Service Switch"' for information about this file.
    21  
    22  passwd:         compat
    23  group:          compat
    24  shadow:         compat
    25  
    26  hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4
    27  networks:       files
    28  
    29  protocols:      db files
    30  services:       db files
    31  ethers:         db files
    32  rpc:            db files
    33  
    34  netgroup:       nis
    35  `
    36  
    37  func TestParseNSSConf(t *testing.T) {
    38  	tests := []struct {
    39  		name string
    40  		in   string
    41  		want *nssConf
    42  	}{
    43  		{
    44  			name: "no_newline",
    45  			in:   "foo: a b",
    46  			want: &nssConf{
    47  				sources: map[string][]nssSource{
    48  					"foo": {{source: "a"}, {source: "b"}},
    49  				},
    50  			},
    51  		},
    52  		{
    53  			name: "newline",
    54  			in:   "foo: a b\n",
    55  			want: &nssConf{
    56  				sources: map[string][]nssSource{
    57  					"foo": {{source: "a"}, {source: "b"}},
    58  				},
    59  			},
    60  		},
    61  		{
    62  			name: "whitespace",
    63  			in:   "   foo:a    b    \n",
    64  			want: &nssConf{
    65  				sources: map[string][]nssSource{
    66  					"foo": {{source: "a"}, {source: "b"}},
    67  				},
    68  			},
    69  		},
    70  		{
    71  			name: "comment1",
    72  			in:   "   foo:a    b#c\n",
    73  			want: &nssConf{
    74  				sources: map[string][]nssSource{
    75  					"foo": {{source: "a"}, {source: "b"}},
    76  				},
    77  			},
    78  		},
    79  		{
    80  			name: "comment2",
    81  			in:   "   foo:a    b #c \n",
    82  			want: &nssConf{
    83  				sources: map[string][]nssSource{
    84  					"foo": {{source: "a"}, {source: "b"}},
    85  				},
    86  			},
    87  		},
    88  		{
    89  			name: "crit",
    90  			in:   "   foo:a    b [!a=b    X=Y ] c#d \n",
    91  			want: &nssConf{
    92  				sources: map[string][]nssSource{
    93  					"foo": {
    94  						{source: "a"},
    95  						{
    96  							source: "b",
    97  							criteria: []nssCriterion{
    98  								{
    99  									negate: true,
   100  									status: "a",
   101  									action: "b",
   102  								},
   103  								{
   104  									status: "x",
   105  									action: "y",
   106  								},
   107  							},
   108  						},
   109  						{source: "c"},
   110  					},
   111  				},
   112  			},
   113  		},
   114  
   115  		// Ubuntu Trusty w/ avahi-daemon, libavahi-* etc installed.
   116  		{
   117  			name: "ubuntu_trusty_avahi",
   118  			in:   ubuntuTrustyAvahi,
   119  			want: &nssConf{
   120  				sources: map[string][]nssSource{
   121  					"passwd": {{source: "compat"}},
   122  					"group":  {{source: "compat"}},
   123  					"shadow": {{source: "compat"}},
   124  					"hosts": {
   125  						{source: "files"},
   126  						{
   127  							source: "mdns4_minimal",
   128  							criteria: []nssCriterion{
   129  								{
   130  									negate: false,
   131  									status: "notfound",
   132  									action: "return",
   133  								},
   134  							},
   135  						},
   136  						{source: "dns"},
   137  						{source: "mdns4"},
   138  					},
   139  					"networks": {{source: "files"}},
   140  					"protocols": {
   141  						{source: "db"},
   142  						{source: "files"},
   143  					},
   144  					"services": {
   145  						{source: "db"},
   146  						{source: "files"},
   147  					},
   148  					"ethers": {
   149  						{source: "db"},
   150  						{source: "files"},
   151  					},
   152  					"rpc": {
   153  						{source: "db"},
   154  						{source: "files"},
   155  					},
   156  					"netgroup": {
   157  						{source: "nis"},
   158  					},
   159  				},
   160  			},
   161  		},
   162  	}
   163  
   164  	for _, tt := range tests {
   165  		gotConf := parseNSSConf(strings.NewReader(tt.in))
   166  		if !reflect.DeepEqual(gotConf, tt.want) {
   167  			t.Errorf("%s: mismatch\n got %#v\nwant %#v", tt.name, gotConf, tt.want)
   168  		}
   169  	}
   170  }
   171
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