summaryrefslogtreecommitdiff
path: root/test/ruby/test_dir.rb
blob: 4301a61dc0f36990c7843607ded87dda5526df2c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
require 'test/unit'

require 'tmpdir'
require 'fileutils'

class TestDir < Test::Unit::TestCase

  def setup
    @root = Dir.mktmpdir('__test_dir__')
    @nodir = File.join(@root, "dummy")
    for i in ?a..?z
      if i.ord % 2 == 0
        FileUtils.touch(File.join(@root, i))
      else
        FileUtils.mkdir(File.join(@root, i))
      end
    end
  end

  def teardown
    FileUtils.remove_entry_secure @root if File.directory?(@root)
  end

  def test_seek
    dir = Dir.open(@root)
    begin
      cache = []
      loop do
        pos = dir.tell
        break unless name = dir.read
        cache << [pos, name]
      end
      for x,y in cache.sort_by {|z| z[0] % 3 } # shuffle
        dir.seek(x)
        assert_equal(y, dir.read)
      end
    ensure
      dir.close
    end
  end

  def test_JVN_13947696
    b = lambda {
      d = Dir.open('.')
      $SAFE = 4
      d.close
    }
    assert_raise(SecurityError) { b.call }
  end

  def test_nodir
    assert_raise(Errno::ENOENT) { Dir.open(@nodir) }
  end

  def test_inspect
    d = Dir.open(@root)
    assert_match(/^#<Dir:#{ Regexp.quote(@root) }>$/, d.inspect)
    assert_match(/^#<Dir:.*>$/, Dir.allocate.inspect)
  ensure
    d.close
  end

  def test_path
    d = Dir.open(@root)
    assert_equal(@root, d.path)
    assert_nil(Dir.allocate.path)
  ensure
    d.close
  end

  def test_set_pos
    d = Dir.open(@root)
    loop do
      i = d.pos
      break unless x = d.read
      d.pos = i
      assert_equal(x, d.read)
    end
  ensure
    d.close
  end

  def test_rewind
    d = Dir.open(@root)
    a = (0..5).map { d.read }
    d.rewind
    b = (0..5).map { d.read }
    assert_equal(a, b)
    assert_raise(SecurityError) do
      Thread.new do
        $SAFE = 4
        d.rewind
      end.join
    end
  ensure
    d.close
  end

  def test_chdir
    @pwd = Dir.pwd
    @env_home = ENV["HOME"]
    @env_logdir = ENV["LOGDIR"]
    ENV.delete("HOME")
    ENV.delete("LOGDIR")

    assert_raise(Errno::ENOENT) { Dir.chdir(@nodir) }
    assert_raise(ArgumentError) { Dir.chdir }
    ENV["HOME"] = @pwd
    Dir.chdir do
      assert_equal(@pwd, Dir.pwd)
      Dir.chdir(@root)
      assert_equal(@root, Dir.pwd)
    end

  ensure
    begin
      Dir.chdir(@pwd)
    rescue
      abort("cannot return the original directory: #{ @pwd }")
    end
    if @env_home
      ENV["HOME"] = @env_home
    else
      ENV.delete("HOME")
    end
    if @env_logdir
      ENV["LOGDIR"] = @env_logdir
    else
      ENV.delete("LOGDIR")
    end
  end

  def test_chroot_nodir
    assert_raise(NotImplementedError, Errno::ENOENT, Errno::EPERM
		) { Dir.chroot(File.join(@nodir, "")) }
  end

  def test_close
    d = Dir.open(@root)
    d.close
    assert_raise(IOError) { d.read }
  end

  def test_glob
    assert_equal((%w(. ..) + (?a..?z).to_a).map{|f| File.join(@root, f) },
                 Dir.glob(File.join(@root, "*"), File::FNM_DOTMATCH).sort)
    assert_equal([@root] + (?a..?z).map {|f| File.join(@root, f) }.sort,
                 Dir.glob([@root, File.join(@root, "*")]).sort)
    assert_equal([@root] + (?a..?z).map {|f| File.join(@root, f) }.sort,
                 Dir.glob(@root + "\0\0\0" + File.join(@root, "*")).sort)

    assert_equal((?a..?z).step(2).map {|f| File.join(File.join(@root, f), "") }.sort,
                 Dir.glob(File.join(@root, "*/")).sort)

    FileUtils.touch(File.join(@root, "{}"))
    assert_equal(%w({} a).map{|f| File.join(@root, f) },
                 Dir.glob(File.join(@root, '{\{\},a}')))
    assert_equal([], Dir.glob(File.join(@root, '[')))
    assert_equal([], Dir.glob(File.join(@root, '[a-\\')))
  end

  def test_foreach
    assert_equal(Dir.foreach(@root).to_a.sort, %w(. ..) + (?a..?z).to_a)
  end

end