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
|
require "cases/helper"
require 'models/post'
require 'models/author'
require 'models/project'
require 'models/developer'
require 'models/company'
class AssociationCallbacksTest < ActiveRecord::TestCase
fixtures :posts, :authors, :projects, :developers
def setup
@david = authors(:david)
@thinking = posts(:thinking)
@authorless = posts(:authorless)
assert @david.post_log.empty?
end
def test_adding_macro_callbacks
@david.posts_with_callbacks << @thinking
assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}"], @david.post_log
@david.posts_with_callbacks << @thinking
assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}", "before_adding#{@thinking.id}",
"after_adding#{@thinking.id}"], @david.post_log
end
def test_adding_with_proc_callbacks
@david.posts_with_proc_callbacks << @thinking
assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}"], @david.post_log
@david.posts_with_proc_callbacks << @thinking
assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}", "before_adding#{@thinking.id}",
"after_adding#{@thinking.id}"], @david.post_log
end
def test_removing_with_macro_callbacks
first_post, second_post = @david.posts_with_callbacks[0, 2]
@david.posts_with_callbacks.delete(first_post)
assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}"], @david.post_log
@david.posts_with_callbacks.delete(second_post)
assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}", "before_removing#{second_post.id}",
"after_removing#{second_post.id}"], @david.post_log
end
def test_removing_with_proc_callbacks
first_post, second_post = @david.posts_with_callbacks[0, 2]
@david.posts_with_proc_callbacks.delete(first_post)
assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}"], @david.post_log
@david.posts_with_proc_callbacks.delete(second_post)
assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}", "before_removing#{second_post.id}",
"after_removing#{second_post.id}"], @david.post_log
end
def test_multiple_callbacks
@david.posts_with_multiple_callbacks << @thinking
assert_equal ["before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", "after_adding#{@thinking.id}",
"after_adding_proc#{@thinking.id}"], @david.post_log
@david.posts_with_multiple_callbacks << @thinking
assert_equal ["before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", "after_adding#{@thinking.id}",
"after_adding_proc#{@thinking.id}", "before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}",
"after_adding#{@thinking.id}", "after_adding_proc#{@thinking.id}"], @david.post_log
end
def test_has_many_callbacks_with_create
morten = Author.create :name => "Morten"
post = morten.posts_with_proc_callbacks.create! :title => "Hello", :body => "How are you doing?"
assert_equal ["before_adding<new>", "after_adding#{post.id}"], morten.post_log
end
def test_has_many_callbacks_with_create!
morten = Author.create! :name => "Morten"
post = morten.posts_with_proc_callbacks.create :title => "Hello", :body => "How are you doing?"
assert_equal ["before_adding<new>", "after_adding#{post.id}"], morten.post_log
end
def test_has_many_callbacks_for_save_on_parent
jack = Author.new :name => "Jack"
jack.posts_with_callbacks.build :title => "Call me back!", :body => "Before you wake up and after you sleep"
callback_log = ["before_adding<new>", "after_adding#{jack.posts_with_callbacks.first.id}"]
assert_equal callback_log, jack.post_log
assert jack.save
assert_equal 1, jack.posts_with_callbacks.count
assert_equal callback_log, jack.post_log
end
def test_has_many_callbacks_for_destroy_on_parent
firm = Firm.create! :name => "Firm"
client = firm.clients.create! :name => "Client"
firm.destroy
assert_equal ["before_remove#{client.id}", "after_remove#{client.id}"], firm.log
end
def test_has_and_belongs_to_many_add_callback
david = developers(:david)
ar = projects(:active_record)
assert ar.developers_log.empty?
ar.developers_with_callbacks << david
assert_equal ["before_adding#{david.id}", "after_adding#{david.id}"], ar.developers_log
ar.developers_with_callbacks << david
assert_equal ["before_adding#{david.id}", "after_adding#{david.id}", "before_adding#{david.id}",
"after_adding#{david.id}"], ar.developers_log
end
def test_has_and_belongs_to_many_before_add_called_before_save
dev = nil
new_dev = nil
klass = Class.new(Project) do
def self.name; Project.name; end
has_and_belongs_to_many :developers_with_callbacks,
:class_name => "Developer",
:before_add => lambda { |o,r|
dev = r
new_dev = r.new_record?
}
end
rec = klass.create!
alice = Developer.new(:name => 'alice')
rec.developers_with_callbacks << alice
assert_equal alice, dev
assert_not_nil new_dev
assert new_dev, "record should not have been saved"
assert_not alice.new_record?
end
def test_has_and_belongs_to_many_after_add_called_after_save
ar = projects(:active_record)
assert ar.developers_log.empty?
alice = Developer.new(:name => 'alice')
ar.developers_with_callbacks << alice
assert_equal"after_adding#{alice.id}", ar.developers_log.last
bob = ar.developers_with_callbacks.create(:name => 'bob')
assert_equal "after_adding#{bob.id}", ar.developers_log.last
ar.developers_with_callbacks.build(:name => 'charlie')
assert_equal "after_adding<new>", ar.developers_log.last
end
def test_has_and_belongs_to_many_remove_callback
david = developers(:david)
jamis = developers(:jamis)
activerecord = projects(:active_record)
assert activerecord.developers_log.empty?
activerecord.developers_with_callbacks.delete(david)
assert_equal ["before_removing#{david.id}", "after_removing#{david.id}"], activerecord.developers_log
activerecord.developers_with_callbacks.delete(jamis)
assert_equal ["before_removing#{david.id}", "after_removing#{david.id}", "before_removing#{jamis.id}",
"after_removing#{jamis.id}"], activerecord.developers_log
end
def test_has_and_belongs_to_many_remove_callback_on_clear
activerecord = projects(:active_record)
assert activerecord.developers_log.empty?
if activerecord.developers_with_callbacks.size == 0
activerecord.developers << developers(:david)
activerecord.developers << developers(:jamis)
activerecord.reload
assert activerecord.developers_with_callbacks.size == 2
end
log_array = activerecord.developers_with_callbacks.flat_map {|d| ["before_removing#{d.id}","after_removing#{d.id}"]}.sort
assert activerecord.developers_with_callbacks.clear
assert_equal log_array, activerecord.developers_log.sort
end
def test_has_many_and_belongs_to_many_callbacks_for_save_on_parent
project = Project.new :name => "Callbacks"
project.developers_with_callbacks.build :name => "Jack", :salary => 95000
callback_log = ["before_adding<new>", "after_adding<new>"]
assert_equal callback_log, project.developers_log
assert project.save
assert_equal 1, project.developers_with_callbacks.size
assert_equal callback_log, project.developers_log
end
def test_dont_add_if_before_callback_raises_exception
assert !@david.unchangable_posts.include?(@authorless)
begin
@david.unchangable_posts << @authorless
rescue Exception
end
assert @david.post_log.empty?
assert !@david.unchangable_posts.include?(@authorless)
@david.reload
assert !@david.unchangable_posts.include?(@authorless)
end
end
|
