github.com/miolini/go@v0.0.0-20160405192216-fca68c8cb408/src/os/user/user_test.go (about)

     1  // Copyright 2011 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  package user
     6  
     7  import (
     8  	"runtime"
     9  	"testing"
    10  )
    11  
    12  func checkUser(t *testing.T) {
    13  	if !userImplemented {
    14  		t.Skip("user: not implemented; skipping tests")
    15  	}
    16  }
    17  
    18  func TestCurrent(t *testing.T) {
    19  	if runtime.GOOS == "android" {
    20  		t.Skipf("skipping on %s", runtime.GOOS)
    21  	}
    22  	u, err := Current()
    23  	if err != nil {
    24  		t.Fatalf("Current: %v (got %#v)", err, u)
    25  	}
    26  	if u.HomeDir == "" {
    27  		t.Errorf("didn't get a HomeDir")
    28  	}
    29  	if u.Username == "" {
    30  		t.Errorf("didn't get a username")
    31  	}
    32  }
    33  
    34  func compare(t *testing.T, want, got *User) {
    35  	if want.Uid != got.Uid {
    36  		t.Errorf("got Uid=%q; want %q", got.Uid, want.Uid)
    37  	}
    38  	if want.Username != got.Username {
    39  		t.Errorf("got Username=%q; want %q", got.Username, want.Username)
    40  	}
    41  	if want.Name != got.Name {
    42  		t.Errorf("got Name=%q; want %q", got.Name, want.Name)
    43  	}
    44  	// TODO(brainman): fix it once we know how.
    45  	if runtime.GOOS == "windows" {
    46  		t.Skip("skipping Gid and HomeDir comparisons")
    47  	}
    48  	if want.Gid != got.Gid {
    49  		t.Errorf("got Gid=%q; want %q", got.Gid, want.Gid)
    50  	}
    51  	if want.HomeDir != got.HomeDir {
    52  		t.Errorf("got HomeDir=%q; want %q", got.HomeDir, want.HomeDir)
    53  	}
    54  }
    55  
    56  func TestLookup(t *testing.T) {
    57  	checkUser(t)
    58  
    59  	if runtime.GOOS == "plan9" {
    60  		t.Skipf("Lookup not implemented on %q", runtime.GOOS)
    61  	}
    62  
    63  	want, err := Current()
    64  	if err != nil {
    65  		t.Fatalf("Current: %v", err)
    66  	}
    67  	got, err := Lookup(want.Username)
    68  	if err != nil {
    69  		t.Fatalf("Lookup: %v", err)
    70  	}
    71  	compare(t, want, got)
    72  }
    73  
    74  func TestLookupId(t *testing.T) {
    75  	checkUser(t)
    76  
    77  	if runtime.GOOS == "plan9" {
    78  		t.Skipf("LookupId not implemented on %q", runtime.GOOS)
    79  	}
    80  
    81  	want, err := Current()
    82  	if err != nil {
    83  		t.Fatalf("Current: %v", err)
    84  	}
    85  	got, err := LookupId(want.Uid)
    86  	if err != nil {
    87  		t.Fatalf("LookupId: %v", err)
    88  	}
    89  	compare(t, want, got)
    90  }
    91  
    92  func checkGroup(t *testing.T) {
    93  	if !groupImplemented {
    94  		t.Skip("user: group not implemented; skipping test")
    95  	}
    96  }
    97  
    98  func TestLookupGroup(t *testing.T) {
    99  	checkGroup(t)
   100  	user, err := Current()
   101  	if err != nil {
   102  		t.Fatalf("Current(): %v", err)
   103  	}
   104  
   105  	g1, err := LookupGroupId(user.Gid)
   106  	if err != nil {
   107  		// NOTE(rsc): Maybe the group isn't defined. That's fine.
   108  		// On my OS X laptop, rsc logs in with group 5000 even
   109  		// though there's no name for group 5000. Such is Unix.
   110  		t.Logf("LookupGroupId(%q): %v", user.Gid, err)
   111  		return
   112  	}
   113  	if g1.Gid != user.Gid {
   114  		t.Errorf("LookupGroupId(%q).Gid = %s; want %s", user.Gid, g1.Gid, user.Gid)
   115  	}
   116  
   117  	g2, err := LookupGroup(g1.Name)
   118  	if err != nil {
   119  		t.Fatalf("LookupGroup(%q): %v", g1.Name, err)
   120  	}
   121  	if g1.Gid != g2.Gid || g1.Name != g2.Name {
   122  		t.Errorf("LookupGroup(%q) = %+v; want %+v", g1.Name, g2, g1)
   123  	}
   124  }
   125  
   126  func TestGroupIds(t *testing.T) {
   127  	checkGroup(t)
   128  	if runtime.GOOS == "solaris" {
   129  		t.Skip("skipping GroupIds, see golang.org/issue/14709")
   130  	}
   131  	user, err := Current()
   132  	if err != nil {
   133  		t.Fatalf("Current(): %v", err)
   134  	}
   135  	gids, err := user.GroupIds()
   136  	if err != nil {
   137  		t.Fatalf("%+v.GroupIds(): %v", user, err)
   138  	}
   139  	if !containsID(gids, user.Gid) {
   140  		t.Errorf("%+v.GroupIds() = %v; does not contain user GID %s", user, gids, user.Gid)
   141  	}
   142  }
   143  
   144  func containsID(ids []string, id string) bool {
   145  	for _, x := range ids {
   146  		if x == id {
   147  			return true
   148  		}
   149  	}
   150  	return false
   151  }