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
|
require File.join(File.dirname(__FILE__), 'abstract_unit')
require File.join(File.dirname(__FILE__), 'fixtures/page')
require File.join(File.dirname(__FILE__), 'fixtures/widget')
class VersionedTest < Test::Unit::TestCase
fixtures :pages, :page_versions, :locked_pages, :locked_pages_revisions, :authors, :landmarks, :landmark_versions
set_fixture_class :page_versions => Page::Version
def test_saves_versioned_copy
p = Page.create! :title => 'first title', :body => 'first body'
assert !p.new_record?
assert_equal 1, p.versions.size
assert_equal 1, p.version
assert_instance_of Page.versioned_class, p.versions.first
end
def test_saves_without_revision
p = pages(:welcome)
old_versions = p.versions.count
p.save_without_revision
p.without_revision do
p.update_attributes :title => 'changed'
end
assert_equal old_versions, p.versions.count
end
def test_rollback_with_version_number
p = pages(:welcome)
assert_equal 24, p.version
assert_equal 'Welcome to the weblog', p.title
assert p.revert_to!(p.versions.first.version), "Couldn't revert to 23"
assert_equal 23, p.version
assert_equal 'Welcome to the weblg', p.title
end
def test_versioned_class_name
assert_equal 'Version', Page.versioned_class_name
assert_equal 'LockedPageRevision', LockedPage.versioned_class_name
end
def test_versioned_class
assert_equal Page::Version, Page.versioned_class
assert_equal LockedPage::LockedPageRevision, LockedPage.versioned_class
end
def test_special_methods
assert_nothing_raised { pages(:welcome).feeling_good? }
assert_nothing_raised { pages(:welcome).versions.first.feeling_good? }
assert_nothing_raised { locked_pages(:welcome).hello_world }
assert_nothing_raised { locked_pages(:welcome).versions.first.hello_world }
end
def test_rollback_with_version_class
p = pages(:welcome)
assert_equal 24, p.version
assert_equal 'Welcome to the weblog', p.title
assert p.revert_to!(p.versions.first), "Couldn't revert to 23"
assert_equal 23, p.version
assert_equal 'Welcome to the weblg', p.title
end
def test_rollback_fails_with_invalid_revision
p = locked_pages(:welcome)
assert !p.revert_to!(locked_pages(:thinking))
end
def test_saves_versioned_copy_with_options
p = LockedPage.create! :title => 'first title'
assert !p.new_record?
assert_equal 1, p.versions.size
assert_instance_of LockedPage.versioned_class, p.versions.first
end
def test_rollback_with_version_number_with_options
p = locked_pages(:welcome)
assert_equal 'Welcome to the weblog', p.title
assert_equal 'LockedPage', p.versions.first.version_type
assert p.revert_to!(p.versions.first.version), "Couldn't revert to 23"
assert_equal 'Welcome to the weblg', p.title
assert_equal 'LockedPage', p.versions.first.version_type
end
def test_rollback_with_version_class_with_options
p = locked_pages(:welcome)
assert_equal 'Welcome to the weblog', p.title
assert_equal 'LockedPage', p.versions.first.version_type
assert p.revert_to!(p.versions.first), "Couldn't revert to 1"
assert_equal 'Welcome to the weblg', p.title
assert_equal 'LockedPage', p.versions.first.version_type
end
def test_saves_versioned_copy_with_sti
p = SpecialLockedPage.create! :title => 'first title'
assert !p.new_record?
assert_equal 1, p.versions.size
assert_instance_of LockedPage.versioned_class, p.versions.first
assert_equal 'SpecialLockedPage', p.versions.first.version_type
end
def test_rollback_with_version_number_with_sti
p = locked_pages(:thinking)
assert_equal 'So I was thinking', p.title
assert p.revert_to!(p.versions.first.version), "Couldn't revert to 1"
assert_equal 'So I was thinking!!!', p.title
assert_equal 'SpecialLockedPage', p.versions.first.version_type
end
def test_lock_version_works_with_versioning
p = locked_pages(:thinking)
p2 = LockedPage.find(p.id)
p.title = 'fresh title'
p.save
assert_equal 2, p.versions.size # limit!
assert_raises(ActiveRecord::StaleObjectError) do
p2.title = 'stale title'
p2.save
end
end
def test_version_if_condition
p = Page.create! :title => "title"
assert_equal 1, p.version
Page.feeling_good = false
p.save
assert_equal 1, p.version
Page.feeling_good = true
end
def test_version_if_condition2
# set new if condition
Page.class_eval do
def new_feeling_good() title[0..0] == 'a'; end
alias_method :old_feeling_good, :feeling_good?
alias_method :feeling_good?, :new_feeling_good
end
p = Page.create! :title => "title"
assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'new title')
assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'a title')
assert_equal 2, p.version
assert_equal 2, p.versions(true).size
# reset original if condition
Page.class_eval { alias_method :feeling_good?, :old_feeling_good }
end
def test_version_if_condition_with_block
# set new if condition
old_condition = Page.version_condition
Page.version_condition = Proc.new { |page| page.title[0..0] == 'b' }
p = Page.create! :title => "title"
assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'a title')
assert_equal 1, p.version # version does not increment
assert_equal 1, p.versions(true).size
p.update_attributes(:title => 'b title')
assert_equal 2, p.version
assert_equal 2, p.versions(true).size
# reset original if condition
Page.version_condition = old_condition
end
def test_version_no_limit
p = Page.create! :title => "title", :body => 'first body'
p.save
p.save
5.times do |i|
assert_page_title p, i
end
end
def test_version_max_limit
p = LockedPage.create! :title => "title"
p.update_attributes(:title => "title1")
p.update_attributes(:title => "title2")
5.times do |i|
assert_page_title p, i, :lock_version
assert p.versions(true).size <= 2, "locked version can only store 2 versions"
end
end
def test_track_altered_attributes_default_value
assert !Page.track_altered_attributes
assert LockedPage.track_altered_attributes
assert SpecialLockedPage.track_altered_attributes
end
def test_version_order
assert_equal 23, pages(:welcome).versions.first.version
assert_equal 24, pages(:welcome).versions.last.version
end
def test_track_altered_attributes
p = LockedPage.create! :title => "title"
assert_equal 1, p.lock_version
assert_equal 1, p.versions(true).size
p.title = 'title'
assert !p.save_version?
p.save
assert_equal 2, p.lock_version # still increments version because of optimistic locking
assert_equal 1, p.versions(true).size
p.title = 'updated title'
assert p.save_version?
p.save
assert_equal 3, p.lock_version
assert_equal 1, p.versions(true).size # version 1 deleted
p.title = 'updated title!'
assert p.save_version?
p.save
assert_equal 4, p.lock_version
assert_equal 2, p.versions(true).size # version 1 deleted
end
def assert_page_title(p, i, version_field = :version)
p.title = "title#{i}"
p.save
assert_equal "title#{i}", p.title
assert_equal (i+4), p.send(version_field)
end
def test_find_versions
assert_equal 2, locked_pages(:welcome).versions.size
assert_equal 1, locked_pages(:welcome).versions.find(:all, :conditions => ['title LIKE ?', '%weblog%']).length
assert_equal 2, locked_pages(:welcome).versions.find(:all, :conditions => ['title LIKE ?', '%web%']).length
assert_equal 0, locked_pages(:thinking).versions.find(:all, :conditions => ['title LIKE ?', '%web%']).length
assert_equal 2, locked_pages(:welcome).versions.length
end
def test_find_version
assert_equal page_versions(:welcome_1), Page.find_version(pages(:welcome).id, 23)
assert_equal page_versions(:welcome_2), Page.find_version(pages(:welcome).id, 24)
assert_equal pages(:welcome), Page.find_version(pages(:welcome).id)
assert_equal page_versions(:welcome_1), pages(:welcome).find_version(23)
assert_equal page_versions(:welcome_2), pages(:welcome).find_version(24)
assert_equal pages(:welcome), pages(:welcome).find_version
assert_raise(ActiveRecord::RecordNotFound) { Page.find_version(pages(:welcome).id, 1) }
assert_raise(ActiveRecord::RecordNotFound) { Page.find_version(0, 23) }
end
def test_with_sequence
assert_equal 'widgets_seq', Widget.versioned_class.sequence_name
3.times { Widget.create! :name => 'new widget' }
assert_equal 3, Widget.count
assert_equal 3, Widget.versioned_class.count
end
def test_has_many_through
assert_equal [authors(:caged), authors(:mly)], pages(:welcome).authors
end
def test_has_many_through_with_custom_association
assert_equal [authors(:caged), authors(:mly)], pages(:welcome).revisors
end
def test_referential_integrity
pages(:welcome).destroy
assert_equal 0, Page.count
assert_equal 0, Page::Version.count
end
def test_association_options
association = Page.reflect_on_association(:versions)
options = association.options
assert_equal :delete_all, options[:dependent]
assert_equal 'version', options[:order]
association = Widget.reflect_on_association(:versions)
options = association.options
assert_equal :nullify, options[:dependent]
assert_equal 'version desc', options[:order]
assert_equal 'widget_id', options[:foreign_key]
widget = Widget.create! :name => 'new widget'
assert_equal 1, Widget.count
assert_equal 1, Widget.versioned_class.count
widget.destroy
assert_equal 0, Widget.count
assert_equal 1, Widget.versioned_class.count
end
def test_versioned_records_should_belong_to_parent
page = pages(:welcome)
page_version = page.versions.last
assert_equal page, page_version.page
end
def test_unaltered_attributes
landmarks(:washington).attributes = landmarks(:washington).attributes.except("id")
assert !landmarks(:washington).changed?
end
def test_unchanged_string_attributes
landmarks(:washington).attributes = landmarks(:washington).attributes.except("id").inject({}) { |params, (key, value)| params.update(key => value.to_s) }
assert !landmarks(:washington).changed?
end
def test_should_find_earliest_version
assert_equal page_versions(:welcome_1), pages(:welcome).versions.earliest
end
def test_should_find_latest_version
assert_equal page_versions(:welcome_2), pages(:welcome).versions.latest
end
def test_should_find_previous_version
assert_equal page_versions(:welcome_1), page_versions(:welcome_2).previous
assert_equal page_versions(:welcome_1), pages(:welcome).versions.before(page_versions(:welcome_2))
end
def test_should_find_next_version
assert_equal page_versions(:welcome_2), page_versions(:welcome_1).next
assert_equal page_versions(:welcome_2), pages(:welcome).versions.after(page_versions(:welcome_1))
end
def test_should_find_version_count
assert_equal 24, pages(:welcome).versions_count
assert_equal 24, page_versions(:welcome_1).versions_count
assert_equal 24, page_versions(:welcome_2).versions_count
end
end
|