aboutsummaryrefslogtreecommitdiffstats
path: root/activerecord/test/deprecated_associations_test.rb
blob: f7462752151d735e46cc26bfa02df23ca13b29b1 (plain) (blame)
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
require 'abstract_unit'
require 'fixtures/developer'
require 'fixtures/project'
require 'fixtures/company'
require 'fixtures/topic'
# require File.dirname(__FILE__) + '/../dev-utils/eval_debugger'
require 'fixtures/reply'

# Can't declare new classes in test case methods, so tests before that
bad_collection_keys = false
begin
  class Car < ActiveRecord::Base; has_many :wheels, :name => "wheels"; end
rescue ActiveRecord::ActiveRecordError
  bad_collection_keys = true
end
raise "ActiveRecord should have barked on bad collection keys" unless bad_collection_keys


class DeprecatedAssociationsTest < Test::Unit::TestCase
  def setup
    create_fixtures "accounts", "companies", "developers", "projects", "developers_projects", "topics"
    @signals37 = Firm.find(1)
  end

  def test_has_many_find
    assert_equal 2, Firm.find_first.clients.length
  end

  def test_has_many_orders
    assert_equal "Summit", Firm.find_first.clients.first.name
  end

  def test_has_many_class_name
    assert_equal "Microsoft", Firm.find_first.clients_sorted_desc.first.name
  end

  def test_has_many_foreign_key
    assert_equal "Microsoft", Firm.find_first.clients_of_firm.first.name
  end

  def test_has_many_conditions
    assert_equal "Microsoft", Firm.find_first.clients_like_ms.first.name
  end

  def test_has_many_sql
    firm = Firm.find_first
    assert_equal "Microsoft", firm.clients_using_sql.first.name
    assert_equal 1, firm.clients_using_sql_count
    assert_equal 1, Firm.find_first.clients_using_sql_count
  end

  def test_has_many_counter_sql
    assert_equal 1, Firm.find_first.clients_using_counter_sql_count
  end

  def test_has_many_queries
    assert Firm.find_first.has_clients?
    firm = Firm.find_first
    assert_equal 2, firm.clients_count # tests using class count
    firm.clients
    assert firm.has_clients?
    assert_equal 2, firm.clients_count # tests using collection length
  end

  def test_has_many_dependence
    assert_equal 2, Client.find_all.length
    Firm.find_first.destroy
    assert_equal 0, Client.find_all.length
  end

  def test_has_many_dependence_with_transaction_support_on_failure
    assert_equal 2, Client.find_all.length

    firm = Firm.find_first
    clients = firm.clients
    clients.last.instance_eval { def before_destroy() raise "Trigger rollback" end }

    firm.destroy rescue "do nothing"

    assert_equal 2, Client.find_all.length
  end

  def test_has_one_dependence
    firm = Firm.find(1)
    assert firm.has_account?
    firm.destroy
    assert_equal 1, Account.find_all.length
  end

  def test_has_one_dependence_with_missing_association
    Account.destroy_all
    firm = Firm.find(1)
    assert !firm.has_account?
    firm.destroy
  end

  def test_belongs_to
    assert_equal @signals37.name, Client.find(3).firm.name
    assert Client.find(3).has_firm?, "Microsoft should have a firm"
    # assert !Company.find(1).has_firm?, "37signals shouldn't have a firm"
  end

  def test_belongs_to_with_different_class_name
    assert_equal Company.find(1).name, Company.find(3).firm_with_other_name.name
    assert Company.find(3).has_firm_with_other_name?, "Microsoft should have a firm"
  end

  def test_belongs_to_with_condition
    assert_equal Company.find(1).name, Company.find(3).firm_with_condition.name
    assert Company.find(3).has_firm_with_condition?, "Microsoft should have a firm"
  end

  def test_belongs_to_equality
    assert Company.find(3).firm?(Company.find(1)), "Microsoft should have 37signals as firm"
    assert_raises(RuntimeError) { !Company.find(3).firm?(Company.find(3)) } # "Summit shouldn't have itself as firm"
  end

  def test_has_one
    assert @signals37.account?(Account.find(1))
    assert_equal Account.find(1).credit_limit, @signals37.account.credit_limit
    assert @signals37.has_account?, "37signals should have an account"
    assert Account.find(1).firm?(@signals37), "37signals account should be able to backtrack"
    assert Account.find(1).has_firm?, "37signals account should be able to backtrack"

    assert !Account.find(2).has_firm?, "Unknown isn't linked"
    assert !Account.find(2).firm?(@signals37), "Unknown isn't linked"
  end

  def test_has_many_dependence_on_account
    assert_equal 2, Account.find_all.length
    @signals37.destroy
    assert_equal 1, Account.find_all.length
  end

  def test_find_in
    assert_equal Client.find(2).name, @signals37.find_in_clients(2).name
    assert_raises(ActiveRecord::RecordNotFound) { @signals37.find_in_clients(6) }
  end

  def test_force_reload
    firm = Firm.new("name" => "A New Firm, Inc")
    firm.save
    firm.clients.each {|c|} # forcing to load all clients
    assert firm.clients.empty?, "New firm shouldn't have client objects"
    assert !firm.has_clients?, "New firm shouldn't have clients"
    assert_equal 0, firm.clients_count, "New firm should have 0 clients"

    client = Client.new("name" => "TheClient.com", "firm_id" => firm.id)
    client.save

    assert firm.clients.empty?, "New firm should have cached no client objects"
    assert !firm.has_clients?, "New firm should have cached a no-clients response"
    assert_equal 0, firm.clients_count, "New firm should have cached 0 clients count"

    assert !firm.clients(true).empty?, "New firm should have reloaded client objects"
    assert firm.has_clients?(true), "New firm should have reloaded with a have-clients response"
    assert_equal 1, firm.clients_count(true), "New firm should have reloaded clients count"
  end

  def test_included_in_collection
    assert @signals37.clients.include?(Client.find(2))
  end

  def test_build_to_collection
    assert_equal 1, @signals37.clients_of_firm_count
    new_client = @signals37.build_to_clients_of_firm("name" => "Another Client")
    assert_equal "Another Client", new_client.name
    assert new_client.save

    assert new_client.firm?(@signals37)
    assert_equal 2, @signals37.clients_of_firm_count(true)
  end

  def test_create_in_collection
    assert_equal @signals37.create_in_clients_of_firm("name" => "Another Client"), @signals37.clients_of_firm(true).last
  end

  def test_succesful_build_association
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save

    account = firm.build_account("credit_limit" => 1000)
    assert account.save
    assert_equal account, firm.account
  end

  def test_failing_build_association
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save

    account = firm.build_account
    assert !account.save
    assert_equal "can't be empty", account.errors.on("credit_limit")
  end

  def test_create_association
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save
    assert_equal firm.create_account("credit_limit" => 1000), firm.account
  end

  def test_has_and_belongs_to_many
    david = Developer.find(1)
    assert david.has_projects?
    assert_equal 2, david.projects_count

    active_record = Project.find(1)
    assert active_record.has_developers?
    assert_equal 2, active_record.developers_count
    assert_equal david.name, active_record.developers.first.name
  end

  def test_has_and_belongs_to_many_removing
    david = Developer.find(1)
    active_record = Project.find(1)

    david.remove_projects(active_record)

    assert_equal 1, david.projects_count
    assert_equal 1, active_record.developers_count
  end

  def test_has_and_belongs_to_many_zero
    david = Developer.find(1)
    david.remove_projects(Project.find_all)

    assert_equal 0, david.projects_count
    assert !david.has_projects?
  end

  def test_has_and_belongs_to_many_adding
    jamis = Developer.find(2)
    action_controller = Project.find(2)

    jamis.add_projects(action_controller)

    assert_equal 2, jamis.projects_count
    assert_equal 2, action_controller.developers_count
  end

  def test_has_and_belongs_to_many_adding_from_the_project
    jamis = Developer.find(2)
    action_controller = Project.find(2)

    action_controller.add_developers(jamis)

    assert_equal 2, jamis.projects_count
    assert_equal 2, action_controller.developers_count
  end

  def test_has_and_belongs_to_many_adding_a_collection
    aridridel = Developer.new("name" => "Aridridel")
    aridridel.save

    aridridel.add_projects([ Project.find(1), Project.find(2) ])
    assert_equal 2, aridridel.projects_count
  end

  def test_belongs_to_counter
    topic = Topic.create("title" => "Apple", "content" => "hello world")
    assert_equal 0, topic.send(:read_attribute, "replies_count"), "No replies yet"

    reply = topic.create_in_replies("title" => "I'm saying no!", "content" => "over here")
    assert_equal 1, Topic.find(topic.id).send(:read_attribute, "replies_count"), "First reply created"

    reply.destroy
    assert_equal 0, Topic.find(topic.id).send(:read_attribute, "replies_count"), "First reply deleted"
  end

  def test_natural_assignment_of_has_one
    apple = Firm.create("name" => "Apple")
    citibank = Account.create("credit_limit" => 10)
    apple.account = citibank
    assert_equal apple.id, citibank.firm_id
  end

  def test_natural_assignment_of_belongs_to
    apple = Firm.create("name" => "Apple")
    citibank = Account.create("credit_limit" => 10)
    citibank.firm = apple
    assert_equal apple.id, citibank.firm_id
  end

  def test_natural_assignment_of_has_many
    apple = Firm.create("name" => "Apple")
    natural = Client.create("name" => "Natural Company")
    apple.clients << natural
    assert_equal apple.id, natural.firm_id
    assert_equal Client.find(natural.id), Firm.find(apple.id).clients.find(natural.id)
    apple.clients.delete natural
    assert_raises(ActiveRecord::RecordNotFound) {
      Firm.find(apple.id).clients.find(natural.id)
    }
  end

  def test_natural_adding_of_has_and_belongs_to_many
    rails = Project.create("name" => "Rails")
    ap = Project.create("name" => "Action Pack")
    john = Developer.create("name" => "John")
    mike = Developer.create("name" => "Mike")
    rails.developers << john
    rails.developers << mike

    assert_equal Developer.find(john.id), Project.find(rails.id).developers.find(john.id)
    assert_equal Developer.find(mike.id), Project.find(rails.id).developers.find(mike.id)
    assert_equal Project.find(rails.id), Developer.find(mike.id).projects.find(rails.id)
    assert_equal Project.find(rails.id), Developer.find(john.id).projects.find(rails.id)
    ap.developers << john
    assert_equal Developer.find(john.id), Project.find(ap.id).developers.find(john.id)
    assert_equal Project.find(ap.id), Developer.find(john.id).projects.find(ap.id)

    ap.developers.delete john
    assert_raises(ActiveRecord::RecordNotFound) {
      Project.find(ap.id).developers.find(john.id)
    }
    assert_raises(ActiveRecord::RecordNotFound) {
      Developer.find(john.id).projects.find(ap.id)
    }
  end

  def test_storing_in_pstore
    require "pstore"
    require "tmpdir"
    apple = Firm.create("name" => "Apple")
    natural = Client.new("name" => "Natural Company")
    apple.clients << natural

    db = PStore.new(File.join(Dir.tmpdir, "ar-pstore-association-test"))
    db.transaction do
      db["apple"] = apple
    end

    db = PStore.new(File.join(Dir.tmpdir, "ar-pstore-association-test"))
    db.transaction do
      assert_equal "Natural Company", db["apple"].clients.first.name
    end
  end

  def test_has_many_find_all
    assert_equal 2, Firm.find_first.find_all_in_clients("type = 'Client'").length
    assert_equal 1, Firm.find_first.find_all_in_clients("name = 'Summit'").length
  end

  def test_has_one
    assert @signals37.account?(Account.find(1))
    assert @signals37.has_account?, "37signals should have an account"
    assert Account.find(1).firm?(@signals37), "37signals account should be able to backtrack"
    assert Account.find(1).has_firm?, "37signals account should be able to backtrack"

    assert !Account.find(2).has_firm?, "Unknown isn't linked"
    assert !Account.find(2).firm?(@signals37), "Unknown isn't linked"
  end

  def test_has_one_build
    firm = Firm.new("name" => "GlobalMegaCorp")
    assert firm.save

    account = firm.build_account("credit_limit" => 1000)
    assert account.save
    assert_equal account, firm.account
  end

  def test_has_one_failing_build_association
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save
    
    account = firm.build_account
    assert !account.save
    assert_equal "can't be empty", account.errors.on("credit_limit")
  end

  def test_has_one_create
    firm = Firm.new("name" => "GlobalMegaCorp")
    firm.save
    assert_equal firm.create_account("credit_limit" => 1000), firm.account
  end
end