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
|
require "cases/helper"
require 'models/developer'
require 'models/project'
require 'models/company'
require 'models/ship'
require 'models/pirate'
class HasOneAssociationsTest < ActiveRecord::TestCase
fixtures :accounts, :companies, :developers, :projects, :developers_projects, :ships, :pirates
def setup
Account.destroyed_account_ids.clear
end
def test_has_one
assert_equal companies(:first_firm).account, Account.find(1)
assert_equal Account.find(1).credit_limit, companies(:first_firm).account.credit_limit
end
def test_has_one_cache_nils
firm = companies(:another_firm)
assert_queries(1) { assert_nil firm.account }
assert_queries(0) { assert_nil firm.account }
firms = Firm.find(:all, :include => :account)
assert_queries(0) { firms.each(&:account) }
end
def test_with_select
assert_equal Firm.find(1).account_with_select.attributes.size, 2
assert_equal Firm.find(1, :include => :account_with_select).account_with_select.attributes.size, 2
end
def test_finding_using_primary_key
firm = companies(:first_firm)
assert_equal Account.find_by_firm_id(firm.id), firm.account
firm.firm_id = companies(:rails_core).id
assert_equal accounts(:rails_core_account), firm.account_using_primary_key
end
def test_update_with_foreign_and_primary_keys
firm = companies(:first_firm)
account = firm.account_using_foreign_and_primary_keys
assert_equal Account.find_by_firm_name(firm.name), account
firm.save
firm.reload
assert_equal account, firm.account_using_foreign_and_primary_keys
end
def test_can_marshal_has_one_association_with_nil_target
firm = Firm.new
assert_nothing_raised do
assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes
end
firm.account
assert_nothing_raised do
assert_equal firm.attributes, Marshal.load(Marshal.dump(firm)).attributes
end
end
def test_proxy_assignment
company = companies(:first_firm)
assert_nothing_raised { company.account = company.account }
end
def test_triple_equality
assert Account === companies(:first_firm).account
assert companies(:first_firm).account === Account
end
def test_type_mismatch
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = 1 }
assert_raise(ActiveRecord::AssociationTypeMismatch) { companies(:first_firm).account = Project.find(1) }
end
def test_natural_assignment
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_to_nil
old_account_id = companies(:first_firm).account.id
companies(:first_firm).account = nil
companies(:first_firm).save
assert_nil companies(:first_firm).account
# account is dependent, therefore is destroyed when reference to owner is lost
assert_raise(ActiveRecord::RecordNotFound) { Account.find(old_account_id) }
end
def test_nullification_on_association_change
firm = companies(:rails_core)
old_account_id = firm.account.id
firm.account = Account.new
# account is dependent with nullify, therefore its firm_id should be nil
assert_nil Account.find(old_account_id).firm_id
end
def test_association_change_calls_delete
companies(:first_firm).deletable_account = Account.new
assert_equal [], Account.destroyed_account_ids[companies(:first_firm).id]
end
def test_association_change_calls_destroy
companies(:first_firm).account = Account.new
assert_equal [companies(:first_firm).id], Account.destroyed_account_ids[companies(:first_firm).id]
end
def test_natural_assignment_to_already_associated_record
company = companies(:first_firm)
account = accounts(:signals37)
assert_equal company.account, account
company.account = account
company.reload
account.reload
assert_equal company.account, account
end
def test_dependence
num_accounts = Account.count
firm = Firm.find(1)
assert_not_nil firm.account
account_id = firm.account.id
assert_equal [], Account.destroyed_account_ids[firm.id]
firm.destroy
assert_equal num_accounts - 1, Account.count
assert_equal [account_id], Account.destroyed_account_ids[firm.id]
end
def test_exclusive_dependence
num_accounts = Account.count
firm = ExclusivelyDependentFirm.find(9)
assert_not_nil firm.account
assert_equal [], Account.destroyed_account_ids[firm.id]
firm.destroy
assert_equal num_accounts - 1, Account.count
assert_equal [], Account.destroyed_account_ids[firm.id]
end
def test_dependence_with_nil_associate
firm = DependentFirm.new(:name => 'nullify')
firm.save!
assert_nothing_raised { firm.destroy }
end
def test_dependence_with_restrict
firm = RestrictedFirm.new(:name => 'restrict')
firm.save!
firm.create_account(:credit_limit => 10)
assert_not_nil firm.account
assert_raise(ActiveRecord::DeleteRestrictionError) { firm.destroy }
end
def test_successful_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_create_association
firm = Firm.create(:name => "GlobalMegaCorp")
account = firm.create_account(:credit_limit => 1000)
assert_equal account, firm.reload.account
end
def test_build
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
firm.account = account = Account.new("credit_limit" => 1000)
assert_equal account, firm.account
assert account.save
assert_equal account, firm.account
end
def test_failing_build_association
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
firm.account = account = Account.new
assert_equal account, firm.account
assert !account.save
assert_equal account, firm.account
assert_equal ["can't be empty"], account.errors["credit_limit"]
end
def test_create
firm = Firm.new("name" => "GlobalMegaCorp")
firm.save
firm.account = account = Account.create("credit_limit" => 1000)
assert_equal account, firm.account
end
def test_create_before_save
firm = Firm.new("name" => "GlobalMegaCorp")
firm.account = account = Account.create("credit_limit" => 1000)
assert_equal account, firm.account
end
def test_dependence_with_missing_association
Account.destroy_all
firm = Firm.find(1)
assert_nil firm.account
firm.destroy
end
def test_dependence_with_missing_association_and_nullify
Account.destroy_all
firm = DependentFirm.find(:first)
assert_nil firm.account
firm.destroy
end
def test_assignment_before_child_saved
firm = Firm.find(1)
firm.account = a = Account.new("credit_limit" => 1000)
assert a.persisted?
assert_equal a, firm.account
assert_equal a, firm.account
assert_equal a, firm.account(true)
end
def test_save_still_works_after_accessing_nil_has_one
jp = Company.new :name => 'Jaded Pixel'
jp.dummy_account.nil?
assert_nothing_raised do
jp.save!
end
end
def test_cant_save_readonly_association
assert_raise(ActiveRecord::ReadOnlyRecord) { companies(:first_firm).readonly_account.save! }
assert companies(:first_firm).readonly_account.readonly?
end
def test_has_one_proxy_should_not_respond_to_private_methods
assert_raise(NoMethodError) { accounts(:signals37).private_method }
assert_raise(NoMethodError) { companies(:first_firm).account.private_method }
end
def test_has_one_proxy_should_respond_to_private_methods_via_send
accounts(:signals37).send(:private_method)
companies(:first_firm).account.send(:private_method)
end
def test_save_of_record_with_loaded_has_one
@firm = companies(:first_firm)
assert_not_nil @firm.account
assert_nothing_raised do
Firm.find(@firm.id).save!
Firm.find(@firm.id, :include => :account).save!
end
@firm.account.destroy
assert_nothing_raised do
Firm.find(@firm.id).save!
Firm.find(@firm.id, :include => :account).save!
end
end
def test_build_respects_hash_condition
account = companies(:first_firm).build_account_limit_500_with_hash_conditions
assert account.save
assert_equal 500, account.credit_limit
end
def test_create_respects_hash_condition
account = companies(:first_firm).create_account_limit_500_with_hash_conditions
assert account.persisted?
assert_equal 500, account.credit_limit
end
def test_attributes_are_being_set_when_initialized_from_has_one_association_with_where_clause
new_account = companies(:first_firm).build_account(:firm_name => 'Account')
assert_equal new_account.firm_name, "Account"
end
def test_creation_failure_without_dependent_option
pirate = pirates(:blackbeard)
orig_ship = pirate.ship.target
assert_equal ships(:black_pearl), orig_ship
new_ship = pirate.create_ship
assert_not_equal ships(:black_pearl), new_ship
assert_equal new_ship, pirate.ship
assert new_ship.new_record?
assert_nil orig_ship.pirate_id
assert !orig_ship.changed? # check it was saved
end
def test_creation_failure_with_dependent_option
pirate = pirates(:blackbeard).becomes(DestructivePirate)
orig_ship = pirate.dependent_ship.target
new_ship = pirate.create_dependent_ship
assert new_ship.new_record?
assert orig_ship.destroyed?
end
def test_replacement_failure_due_to_existing_record_should_raise_error
pirate = pirates(:blackbeard)
pirate.ship.name = nil
assert !pirate.ship.valid?
assert_raise(ActiveRecord::RecordNotSaved) do
pirate.ship = ships(:interceptor)
end
assert_equal ships(:black_pearl), pirate.ship
assert_equal pirate.id, pirate.ship.pirate_id
end
end
|