summaryrefslogtreecommitdiff
path: root/test/test_find.rb
blob: cb2ce5612955ef2e3c68562c75254e2163fddfe6 (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
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
require 'test/unit'
require 'find'
require 'tmpdir'

class TestFind < Test::Unit::TestCase
  def test_empty
    Dir.mktmpdir {|d|
      a = []
      Find.find(d) {|f| a << f }
      assert_equal([d], a)
    }
  end

  def test_rec
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      File.open("#{d}/b/a", "w"){}
      File.open("#{d}/b/b", "w"){}
      Dir.mkdir("#{d}/c")
      a = []
      Find.find(d) {|f| a << f }
      assert_equal([d, "#{d}/a", "#{d}/b", "#{d}/b/a", "#{d}/b/b", "#{d}/c"], a)
    }
  end

  def test_relative
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      File.open("#{d}/b/a", "w"){}
      File.open("#{d}/b/b", "w"){}
      Dir.mkdir("#{d}/c")
      a = []
      Dir.chdir(d) {
        Find.find(".") {|f| a << f }
      }
      assert_equal([".", "./a", "./b", "./b/a", "./b/b", "./c"], a)
    }
  end

  def test_dont_follow_symlink
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      File.open("#{d}/b/a", "w"){}
      File.open("#{d}/b/b", "w"){}
      begin
        File.symlink("#{d}/b", "#{d}/c")
      rescue NotImplementedError
        skip "symlink is not supported."
      end
      a = []
      Find.find(d) {|f| a << f }
      assert_equal([d, "#{d}/a", "#{d}/b", "#{d}/b/a", "#{d}/b/b", "#{d}/c"], a)
    }
  end

  def test_prune
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      File.open("#{d}/b/a", "w"){}
      File.open("#{d}/b/b", "w"){}
      Dir.mkdir("#{d}/c")
      a = []
      Find.find(d) {|f|
        a << f
        Find.prune if f == "#{d}/b"
      }
      assert_equal([d, "#{d}/a", "#{d}/b", "#{d}/c"], a)
    }
  end

  def test_countup3
    Dir.mktmpdir {|d|
      1.upto(3) {|n| File.open("#{d}/#{n}", "w"){} }
      a = []
      Find.find(d) {|f| a << f }
      assert_equal([d, "#{d}/1", "#{d}/2", "#{d}/3"], a)
    }
  end

  def test_countdown3
    Dir.mktmpdir {|d|
      3.downto(1) {|n| File.open("#{d}/#{n}", "w"){} }
      a = []
      Find.find(d) {|f| a << f }
      assert_equal([d, "#{d}/1", "#{d}/2", "#{d}/3"], a)
    }
  end

  def test_unreadable_dir
    skip "no meaning test on Windows" if /mswin|mingw/ =~ RUBY_PLATFORM
    Dir.mktmpdir {|d|
      Dir.mkdir(dir = "#{d}/dir")
      File.open("#{dir}/foo", "w"){}
      begin
        File.chmod(0300, dir)
        a = []
        Find.find(d) {|f| a << f }
        assert_equal([d, dir], a)

        a = []
        Find.find(d, ignore_error: true) {|f| a << f }
        assert_equal([d, dir], a)

        a = []
        Find.find(d, ignore_error: true).each {|f| a << f }
        assert_equal([d, dir], a)

        a = []
        assert_raise_with_message(Errno::EACCES, /#{Regexp.quote(dir)}/) do
          Find.find(d, ignore_error: false) {|f| a << f }
        end
        assert_equal([d, dir], a)

        a = []
        assert_raise_with_message(Errno::EACCES, /#{Regexp.quote(dir)}/) do
          Find.find(d, ignore_error: false).each {|f| a << f }
        end
        assert_equal([d, dir], a)
      ensure
        File.chmod(0700, dir)
      end
    }
  end

  def test_unsearchable_dir
    Dir.mktmpdir {|d|
      Dir.mkdir(dir = "#{d}/dir")
      File.open(file = "#{dir}/foo", "w"){}
      begin
        File.chmod(0600, dir)
        a = []
        Find.find(d) {|f| a << f }
        assert_equal([d, dir, file], a)

        a = []
        Find.find(d, ignore_error: true) {|f| a << f }
        assert_equal([d, dir, file], a)

        a = []
        Find.find(d, ignore_error: true).each {|f| a << f }
        assert_equal([d, dir, file], a)

        skip "no meaning test on Windows" if /mswin|mingw/ =~ RUBY_PLATFORM
        a = []
        assert_raise_with_message(Errno::EACCES, /#{Regexp.quote(file)}/) do
          Find.find(d, ignore_error: false) {|f| a << f }
        end
        assert_equal([d, dir, file], a)

        a = []
        assert_raise_with_message(Errno::EACCES, /#{Regexp.quote(file)}/) do
          Find.find(d, ignore_error: false).each {|f| a << f }
        end
        assert_equal([d, dir, file], a)

        assert_raise(Errno::EACCES) { File.lstat(file) }
      ensure
        File.chmod(0700, dir)
      end
    }
  end

  def test_dangling_symlink
    Dir.mktmpdir {|d|
      begin
        File.symlink("foo", "#{d}/bar")
      rescue NotImplementedError
        skip "symlink is not supported."
      end
      a = []
      Find.find(d) {|f| a << f }
      assert_equal([d, "#{d}/bar"], a)
      assert_raise(Errno::ENOENT) { File.stat("#{d}/bar") }
    }
  end

  def test_dangling_symlink_stat_error
    Dir.mktmpdir {|d|
      begin
        File.symlink("foo", "#{d}/bar")
      rescue NotImplementedError
        skip "symlink is not supported."
      end
      assert_raise(Errno::ENOENT) {
        Find.find(d) {|f| File.stat(f) }
      }
    }
  end

  def test_change_dir_to_file
    Dir.mktmpdir {|d|
      Dir.mkdir(dir_1 = "#{d}/d1")
      File.open(file_a = "#{dir_1}/a", "w"){}
      File.open(file_b = "#{dir_1}/b", "w"){}
      File.open(file_c = "#{dir_1}/c", "w"){}
      Dir.mkdir(dir_d = "#{dir_1}/d")
      File.open("#{dir_d}/e", "w"){}
      dir_2 = "#{d}/d2"
      a = []
      Find.find(d) {|f|
        a << f
        if f == file_b
          File.rename(dir_1, dir_2)
          File.open(dir_1, "w") {}
        end
      }
      assert_equal([d, dir_1, file_a, file_b, file_c, dir_d], a)
    }
  end

  def test_change_dir_to_symlink_loop
    Dir.mktmpdir {|d|
      Dir.mkdir(dir_1 = "#{d}/d1")
      File.open(file_a = "#{dir_1}/a", "w"){}
      File.open(file_b = "#{dir_1}/b", "w"){}
      File.open(file_c = "#{dir_1}/c", "w"){}
      Dir.mkdir(dir_d = "#{dir_1}/d")
      File.open("#{dir_d}/e", "w"){}
      dir_2 = "#{d}/d2"
      a = []
      Find.find(d) {|f|
        a << f
        if f == file_b
          File.rename(dir_1, dir_2)
          begin
            File.symlink("d1", dir_1)
          rescue NotImplementedError
            skip "symlink is not supported."
          end
        end
      }
      assert_equal([d, dir_1, file_a, file_b, file_c, dir_d], a)
    }
  end

  def test_enumerator
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      File.open("#{d}/b/a", "w"){}
      File.open("#{d}/b/b", "w"){}
      Dir.mkdir("#{d}/c")
      e = Find.find(d)
      a = []
      e.each {|f| a << f }
      assert_equal([d, "#{d}/a", "#{d}/b", "#{d}/b/a", "#{d}/b/b", "#{d}/c"], a)
    }
  end

  def test_encoding_ascii
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      a = []
      Find.find(d.encode(Encoding::US_ASCII)) {|f| a << f }
      a.each do |i|
        assert(Encoding.compatible?(d.encode(Encoding.find('filesystem')), i))
      end
    }
  end

  def test_encoding_non_ascii
    Dir.mktmpdir {|d|
      File.open("#{d}/a", "w"){}
      Dir.mkdir("#{d}/b")
      euc_jp = Encoding::EUC_JP
      win_31j = Encoding::Windows_31J
      utf_8 = Encoding::UTF_8
      a = []
      Find.find(d.encode(euc_jp), d.encode(win_31j), d.encode(utf_8)) {|f| a << [f, f.encoding] }
      assert_equal([[d, euc_jp], ["#{d}/a", euc_jp], ["#{d}/b", euc_jp],
                    [d, win_31j], ["#{d}/a", win_31j], ["#{d}/b", win_31j],
                    [d, utf_8], ["#{d}/a", utf_8], ["#{d}/b", utf_8]],
                   a)
      if /mswin|mingw/ =~ RUBY_PLATFORM
        a = []
        Dir.mkdir("#{d}/\u{2660}")
        Find.find("#{d}".encode(utf_8)) {|f| a << [f, f.encoding] }
        assert_equal([[d, utf_8], ["#{d}/a", utf_8], ["#{d}/b", utf_8], ["#{d}/\u{2660}", utf_8]], a)
      end
    }
  end

  class TestInclude < Test::Unit::TestCase
    include Find

    def test_functional_call
      Dir.mktmpdir {|d|
        File.open("#{d}/a", "w"){}
        a = []
        find(d) {|f| a << f }
        assert_equal([d, "#{d}/a"], a)
      }
    end
  end

end