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
|
require "cases/helper"
require 'models/post'
require 'models/comment'
require 'models/author'
require 'models/category'
require 'models/project'
require 'models/developer'
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"
post = 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_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_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.collect {|d| ["before_removing#{d.id}","after_removing#{d.id}"]}.flatten.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 => e
end
assert @david.post_log.empty?
assert !@david.unchangable_posts.include?(@authorless)
@david.reload
assert !@david.unchangable_posts.include?(@authorless)
end
end
|
