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
|
require "cases/helper"
require 'models/developer'
require 'models/project'
require 'models/company'
require 'models/topic'
require 'models/reply'
require 'models/computer'
require 'models/customer'
require 'models/order'
require 'models/post'
require 'models/author'
require 'models/tag'
require 'models/tagging'
require 'models/comment'
require 'models/sponsor'
require 'models/member'
require 'models/essay'
require 'models/subscriber'
class IdentityMapTest < ActiveRecord::TestCase
fixtures :accounts, :companies, :developers, :projects, :topics,
:developers_projects, :computers, :authors, :author_addresses,
:posts, :tags, :taggings, :comments, :subscribers
def test_find_id
assert_same(
Client.find(3),
Client.find(3)
)
end
def test_find_pkey
assert_same(
Subscriber.find('swistak'),
Subscriber.find('swistak')
)
end
def test_find_by_id
assert_same(
Client.find_by_id(3),
Client.find_by_id(3)
)
end
def test_find_by_pkey
assert_same(
Subscriber.find_by_nick('swistak'),
Subscriber.find_by_nick('swistak')
)
end
def test_find_first_id
assert_same(
Client.find(:first, :conditions => {:id => 1}),
Client.find(:first, :conditions => {:id => 1})
)
end
def test_find_first_pkey
assert_same(
Subscriber.find(:first, :conditions => {:nick => 'swistak'}),
Subscriber.find(:first, :conditions => {:nick => 'swistak'})
)
end
def test_creation
t1 = Topic.create("title" => "t1")
t2 = Topic.find(t1.id)
assert_same(t1, t2)
end
def test_updating_of_pkey
s = Subscriber.find_by_nick('swistak')
assert s.update_attribute(:nick, 'swistakTheJester')
assert_equal('swistakTheJester', s.nick)
assert stj = Subscriber.find_by_nick('swistakTheJester')
assert_same(s, stj)
end
def test_changing_associations
t1 = Topic.create("title" => "t1")
t2 = Topic.create("title" => "t2")
r1 = Reply.new("title" => "r1", "content" => "r1")
r1.topic = t1
assert r1.save
assert_same(t1.replies.first, r1)
r1.topic = t2
assert r1.save
assert_same(t2.replies.first, r1)
assert_equal(0, t1.replies.size)
end
def test_im_with_polymorphic_has_many_going_through_join_model_with_custom_select_and_joins
tag = posts(:welcome).tags.first
tag_with_joins_and_select = posts(:welcome).tags.add_joins_and_select.first
assert_same(tag, tag_with_joins_and_select)
assert_nothing_raised(NoMethodError, "Joins/select was not loaded") { tag.author_id }
end
def test_find_with_preloaded_associations
assert_queries(2) do
posts = Post.preload(:comments)
assert posts.first.comments.first
end
# With IM we'll retrieve post object from previous query, it'll have comments
# already preloaded from first call
assert_queries(1) do
posts = Post.preload(:comments).to_a
assert posts.first.comments.first
end
assert_queries(2) do
posts = Post.preload(:author)
assert posts.first.author
end
# With IM we'll retrieve post object from previous query, it'll have comments
# already preloaded from first call
assert_queries(1) do
posts = Post.preload(:author).to_a
assert posts.first.author
end
assert_queries(1) do
posts = Post.preload(:author, :comments).to_a
assert posts.first.author
assert posts.first.comments.first
end
end
def test_find_with_included_associations
assert_queries(2) do
posts = Post.includes(:comments)
assert posts.first.comments.first
end
assert_queries(1) do
posts = Post.scoped.includes(:comments)
assert posts.first.comments.first
end
assert_queries(2) do
posts = Post.includes(:author)
assert posts.first.author
end
assert_queries(1) do
posts = Post.includes(:author, :comments).to_a
assert posts.first.author
assert posts.first.comments.first
end
end
def test_eager_loading_with_conditions_on_joined_table_preloads
posts = assert_queries(2) do
Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => [:comments], :conditions => "comments.body like 'Thank you%'", :order => 'posts.id')
end
assert_equal [posts(:welcome)], posts
assert_equal authors(:david), assert_no_queries { posts[0].author}
posts = assert_queries(1) do
Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => [:comments], :conditions => "comments.body like 'Thank you%'", :order => 'posts.id')
end
assert_equal [posts(:welcome)], posts
assert_equal authors(:david), assert_no_queries { posts[0].author}
posts = assert_queries(1) do
Post.find(:all, :include => :author, :joins => {:taggings => :tag}, :conditions => "tags.name = 'General'", :order => 'posts.id')
end
assert_equal posts(:welcome, :thinking), posts
posts = assert_queries(2) do
Post.find(:all, :include => :author, :joins => {:taggings => {:tag => :taggings}}, :conditions => "taggings_tags.super_tag_id=2", :order => 'posts.id')
end
assert_equal posts(:welcome, :thinking), posts
end
def test_eager_loading_with_conditions_on_string_joined_table_preloads
posts = assert_queries(2) do
Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => "INNER JOIN comments on comments.post_id = posts.id", :conditions => "comments.body like 'Thank you%'", :order => 'posts.id')
end
assert_equal [posts(:welcome)], posts
assert_equal authors(:david), assert_no_queries { posts[0].author}
posts = assert_queries(1) do
Post.find(:all, :select => 'distinct posts.*', :include => :author, :joins => ["INNER JOIN comments on comments.post_id = posts.id"], :conditions => "comments.body like 'Thank you%'", :order => 'posts.id')
end
assert_equal [posts(:welcome)], posts
assert_equal authors(:david), assert_no_queries { posts[0].author}
end
end
|