summaryrefslogtreecommitdiff
path: root/jni/ruby/test/rake/test_rake_task.rb
blob: d7f14efcdbcb449e61472f18cf2252d6328821c7 (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
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
require File.expand_path('../helper', __FILE__)
require 'fileutils'

class TestRakeTask < Rake::TestCase
  include Rake

  def setup
    super

    Task.clear
    Rake::TaskManager.record_task_metadata = true
  end

  def teardown
    Rake::TaskManager.record_task_metadata = false
    Rake.application.thread_pool.join

    super
  end

  def test_create
    arg = nil
    t = task(:name) { |task| arg = task; 1234 }
    assert_equal "name", t.name
    assert_equal [], t.prerequisites
    assert t.needed?
    t.execute(0)
    assert_equal t, arg
    assert_nil t.source
    assert_equal [], t.sources
    assert_equal 1, t.locations.size
    assert_match(/#{Regexp.quote(__FILE__)}/, t.locations.first)
  end

  def test_inspect
    t = task(:foo => [:bar, :baz])
    assert_equal "<Rake::Task foo => [bar, baz]>", t.inspect
  end

  def test_invoke
    runlist = []
    t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
    task(:t2) { |t| runlist << t.name }
    task(:t3) { |t| runlist << t.name }
    assert_equal ["t2", "t3"], t1.prerequisites
    t1.invoke
    assert_equal ["t2", "t3", "t1"], runlist
  end

  def test_invoke_with_circular_dependencies
    runlist = []
    t1 = task(:t1 => [:t2]) { |t| runlist << t.name; 3321 }
    t2 = task(:t2 => [:t1]) { |t| runlist << t.name }
    assert_equal ["t2"], t1.prerequisites
    assert_equal ["t1"], t2.prerequisites
    ex = assert_raises RuntimeError do
      t1.invoke
    end
    assert_match(/circular dependency/i, ex.message)
    assert_match(/t1 => t2 => t1/, ex.message)
  end

  def test_dry_run_prevents_actions
    Rake.application.options.dryrun = true
    runlist = []
    t1 = task(:t1) { |t| runlist << t.name; 3321 }
    _, err = capture_io { t1.invoke }
    assert_match(/execute .*t1/i, err)
    assert_match(/dry run/i, err)
    refute_match(/invoke/i, err)
    assert_equal [], runlist
  ensure
    Rake.application.options.dryrun = false
  end

  def test_tasks_can_be_traced
    Rake.application.options.trace = true
    t1 = task(:t1)
    _, err = capture_io {
      t1.invoke
    }
    assert_match(/invoke t1/i, err)
    assert_match(/execute t1/i, err)
  ensure
    Rake.application.options.trace = false
  end

  def test_no_double_invoke
    runlist = []
    t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
    task(:t2 => [:t3]) { |t| runlist << t.name }
    task(:t3) { |t| runlist << t.name }
    t1.invoke
    assert_equal ["t3", "t2", "t1"], runlist
  end

  def test_can_double_invoke_with_reenable
    runlist = []
    t1 = task(:t1) { |t| runlist << t.name }
    t1.invoke
    t1.reenable
    t1.invoke
    assert_equal ["t1", "t1"], runlist
  end

  def test_clear
    desc "a task"
    t = task("t" => "a") { }
    t.clear
    assert t.prerequisites.empty?, "prerequisites should be empty"
    assert t.actions.empty?, "actions should be empty"
    assert_nil t.comment, "comments should be empty"
  end

  def test_clear_prerequisites
    t = task("t" => ["a", "b"])
    assert_equal ['a', 'b'], t.prerequisites
    t.clear_prerequisites
    assert_equal [], t.prerequisites
  end

  def test_clear_actions
    t = task("t") { }
    t.clear_actions
    assert t.actions.empty?, "actions should be empty"
  end

  def test_clear_comments
    desc "the original foo"
    task :foo => [:x] do
      # Dummy action
    end

    task(:foo).clear_comments

    desc "a slightly different foo"
    task :foo

    assert_equal "a slightly different foo", task(:foo).comment
    assert_equal ["x"], task(:foo).prerequisites
    assert_equal 1, task(:foo).actions.size
  end

  def test_find
    task :tfind
    assert_equal "tfind", Task[:tfind].name
    ex = assert_raises(RuntimeError) { Task[:leaves] }
    assert_equal "Don't know how to build task 'leaves'", ex.message
  end

  def test_defined
    assert ! Task.task_defined?(:a)
    task :a
    assert Task.task_defined?(:a)
  end

  def test_multi_invocations
    runs = []
    p = proc do |t| runs << t.name end
    task({ :t1 => [:t2, :t3] }, &p)
    task({ :t2 => [:t3] }, &p)
    task(:t3, &p)
    Task[:t1].invoke
    assert_equal ["t1", "t2", "t3"], runs.sort
  end

  def test_task_list
    task :t2
    task :t1 => [:t2]
    assert_equal ["t1", "t2"], Task.tasks.map { |t| t.name }
  end

  def test_task_gives_name_on_to_s
    task :abc
    assert_equal "abc", Task[:abc].to_s
  end

  def test_symbols_can_be_prerequisites
    task :a => :b
    assert_equal ["b"], Task[:a].prerequisites
  end

  def test_strings_can_be_prerequisites
    task :a => "b"
    assert_equal ["b"], Task[:a].prerequisites
  end

  def test_arrays_can_be_prerequisites
    task :a => ["b", "c"]
    assert_equal ["b", "c"], Task[:a].prerequisites
  end

  def test_filelists_can_be_prerequisites
    task :a => FileList.new.include("b", "c")
    assert_equal ["b", "c"], Task[:a].prerequisites
  end

  def test_prerequiste_tasks_returns_tasks_not_strings
    a = task :a => ["b", "c"]
    b = task :b
    c = task :c
    assert_equal [b, c], a.prerequisite_tasks
  end

  def test_prerequiste_tasks_fails_if_prerequisites_are_undefined
    a = task :a => ["b", "c"]
    task :b
    assert_raises(RuntimeError) do
      a.prerequisite_tasks
    end
  end

  def test_prerequiste_tasks_honors_namespaces
    a = b = nil
    namespace "X" do
      a = task :a => ["b", "c"]
      b = task :b
    end
    c = task :c

    assert_equal [b, c], a.prerequisite_tasks
  end

  def test_all_prerequisite_tasks_includes_all_prerequisites
    a = task :a => "b"
    b = task :b => ["c", "d"]
    c = task :c => "e"
    d = task :d
    e = task :e

    assert_equal [b, c, d, e], a.all_prerequisite_tasks.sort_by { |t| t.name }
  end

  def test_all_prerequisite_tasks_does_not_include_duplicates
    a = task :a => ["b", "c"]
    b = task :b => "c"
    c = task :c

    assert_equal [b, c], a.all_prerequisite_tasks.sort_by { |t| t.name }
  end

  def test_all_prerequisite_tasks_includes_self_on_cyclic_dependencies
    a = task :a => "b"
    b = task :b => "a"

    assert_equal [a, b], a.all_prerequisite_tasks.sort_by { |t| t.name }
  end

  def test_timestamp_returns_now_if_all_prereqs_have_no_times
    a = task :a => ["b", "c"]
    task :b
    task :c

    assert_in_delta Time.now, a.timestamp, 0.1, 'computer too slow?'
  end

  def test_timestamp_returns_latest_prereq_timestamp
    a = task :a => ["b", "c"]
    b = task :b
    c = task :c

    now = Time.now
    def b.timestamp() Time.now + 10 end
    def c.timestamp() Time.now + 5 end

    assert_in_delta now, a.timestamp, 0.1, 'computer too slow?'
  end

  def test_always_multitask
    mx = Mutex.new
    result = []

    t_a = task(:a) do |t|
      sleep 0.2
      mx.synchronize { result << t.name }
    end

    t_b = task(:b) do |t|
      mx.synchronize { result << t.name }
    end

    t_c = task(:c => [:a, :b]) do |t|
      mx.synchronize { result << t.name }
    end

    t_c.invoke

    # task should always run in order
    assert_equal ['a', 'b', 'c'], result

    [t_a, t_b, t_c].each { |t| t.reenable }
    result.clear

    Rake.application.options.always_multitask = true
    t_c.invoke

    # with multitask, task 'b' should grab the mutex first
    assert_equal ['b', 'a', 'c'], result
  end

  def test_investigation_output
    t1 = task(:t1 => [:t2, :t3]) { |t| runlist << t.name; 3321 }
    task(:t2)
    task(:t3)
    out = t1.investigation
    assert_match(/class:\s*Rake::Task/, out)
    assert_match(/needed:\s*true/, out)
    assert_match(/pre-requisites:\s*--t[23]/, out)
  end

  # NOTE: Rail-ties uses comment=.
  def test_comment_setting
    t = task(:t, :name, :rev)
    t.comment = "A Comment"
    assert_equal "A Comment", t.comment
  end

  def test_comments_with_sentences
    desc "Comment 1. Comment 2."
    t = task(:t, :name, :rev)
    assert_equal "Comment 1", t.comment
  end

  def test_comments_with_tabbed_sentences
    desc "Comment 1.\tComment 2."
    t = task(:t, :name, :rev)
    assert_equal "Comment 1", t.comment
  end

  def test_comments_with_decimal_points
    desc "Revision 1.2.3."
    t = task(:t, :name, :rev)
    assert_equal "Revision 1.2.3", t.comment
  end

  def test_comments_do_not_set
    t = task(:t, :name, :rev)
    assert_equal nil, t.comment
  end

  def test_comments_is_nil
    t = task(:t, :name, :rev)
    t.comment = nil
    assert_equal nil, t.comment
  end

  def test_extended_comments
    desc %{
      This is a comment.

      And this is the extended comment.
      name -- Name of task to execute.
      rev  -- Software revision to use.
    }
    t = task(:t, :name, :rev)
    assert_equal "[name,rev]", t.arg_description
    assert_equal "This is a comment", t.comment
    assert_match(/^\s*name -- Name/, t.full_comment)
    assert_match(/^\s*rev  -- Software/, t.full_comment)
    assert_match(/\A\s*This is a comment\.$/, t.full_comment)
  end

  def test_multiple_comments
    desc "line one"
    t = task(:t)
    desc "line two"
    task(:t)
    assert_equal "line one / line two", t.comment
  end

  def test_duplicate_comments
    desc "line one"
    t = task(:t)
    desc "line one"
    task(:t)
    assert_equal "line one", t.comment
  end

  def test_interspersed_duplicate_comments
    desc "line one"
    t = task(:t)
    desc "line two"
    task(:t)
    desc "line one"
    task(:t)
    assert_equal "line one / line two", t.comment
  end

  def test_source_is_first_prerequisite
    t = task :t => ["preqA", "preqB"]
    assert_equal "preqA", t.source
  end
end