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
|
require 'abstract_unit'
require 'models/topic'
require 'models/customer'
require 'models/company'
require 'models/company_in_module'
require 'models/subscriber'
class ReflectionTest < ActiveSupport::TestCase
fixtures :topics, :customers, :companies, :subscribers
def setup
@first = Topic.find(1)
end
def test_column_null_not_null
subscriber = Subscriber.find(:first)
assert subscriber.column_for_attribute("name").null
assert !subscriber.column_for_attribute("nick").null
end
def test_read_attribute_names
assert_equal(
%w( id title author_name author_email_address bonus_time written_on last_read content approved replies_count parent_id type ).sort,
@first.attribute_names
)
end
def test_columns
assert_equal 12, Topic.columns.length
end
def test_columns_are_returned_in_the_order_they_were_declared
column_names = Topic.columns.map { |column| column.name }
assert_equal %w(id title author_name author_email_address written_on bonus_time last_read content approved replies_count parent_id type), column_names
end
def test_content_columns
content_columns = Topic.content_columns
content_column_names = content_columns.map {|column| column.name}
assert_equal 8, content_columns.length
assert_equal %w(title author_name author_email_address written_on bonus_time last_read content approved).sort, content_column_names.sort
end
def test_column_string_type_and_limit
assert_equal :string, @first.column_for_attribute("title").type
assert_equal 255, @first.column_for_attribute("title").limit
end
def test_column_null_not_null
subscriber = Subscriber.find(:first)
assert subscriber.column_for_attribute("name").null
assert !subscriber.column_for_attribute("nick").null
end
def test_human_name_for_column
assert_equal "Author name", @first.column_for_attribute("author_name").human_name
end
def test_integer_columns
assert_equal :integer, @first.column_for_attribute("id").type
end
def test_reflection_klass_for_nested_class_name
reflection = ActiveRecord::Reflection::MacroReflection.new(nil, nil, { :class_name => 'MyApplication::Business::Company' }, nil)
assert_nothing_raised do
assert_equal MyApplication::Business::Company, reflection.klass
end
end
def test_aggregation_reflection
reflection_for_address = ActiveRecord::Reflection::AggregateReflection.new(
:composed_of, :address, { :mapping => [ %w(address_street street), %w(address_city city), %w(address_country country) ] }, Customer
)
reflection_for_balance = ActiveRecord::Reflection::AggregateReflection.new(
:composed_of, :balance, { :class_name => "Money", :mapping => %w(balance amount) }, Customer
)
reflection_for_gps_location = ActiveRecord::Reflection::AggregateReflection.new(
:composed_of, :gps_location, { }, Customer
)
assert Customer.reflect_on_all_aggregations.include?(reflection_for_gps_location)
assert Customer.reflect_on_all_aggregations.include?(reflection_for_balance)
assert Customer.reflect_on_all_aggregations.include?(reflection_for_address)
assert_equal reflection_for_address, Customer.reflect_on_aggregation(:address)
assert_equal Address, Customer.reflect_on_aggregation(:address).klass
assert_equal Money, Customer.reflect_on_aggregation(:balance).klass
end
def test_has_many_reflection
reflection_for_clients = ActiveRecord::Reflection::AssociationReflection.new(:has_many, :clients, { :order => "id", :dependent => :destroy }, Firm)
assert_equal reflection_for_clients, Firm.reflect_on_association(:clients)
assert_equal Client, Firm.reflect_on_association(:clients).klass
assert_equal 'companies', Firm.reflect_on_association(:clients).table_name
assert_equal Client, Firm.reflect_on_association(:clients_of_firm).klass
assert_equal 'companies', Firm.reflect_on_association(:clients_of_firm).table_name
end
def test_has_one_reflection
reflection_for_account = ActiveRecord::Reflection::AssociationReflection.new(:has_one, :account, { :foreign_key => "firm_id", :dependent => :destroy }, Firm)
assert_equal reflection_for_account, Firm.reflect_on_association(:account)
assert_equal Account, Firm.reflect_on_association(:account).klass
assert_equal 'accounts', Firm.reflect_on_association(:account).table_name
end
def test_belongs_to_inferred_foreign_key_from_assoc_name
Company.belongs_to :foo
assert_equal "foo_id", Company.reflect_on_association(:foo).primary_key_name
Company.belongs_to :bar, :class_name => "Xyzzy"
assert_equal "bar_id", Company.reflect_on_association(:bar).primary_key_name
Company.belongs_to :baz, :class_name => "Xyzzy", :foreign_key => "xyzzy_id"
assert_equal "xyzzy_id", Company.reflect_on_association(:baz).primary_key_name
end
def test_association_reflection_in_modules
assert_reflection MyApplication::Business::Firm,
:clients_of_firm,
:klass => MyApplication::Business::Client,
:class_name => 'Client',
:table_name => 'companies'
assert_reflection MyApplication::Billing::Account,
:firm,
:klass => MyApplication::Business::Firm,
:class_name => 'MyApplication::Business::Firm',
:table_name => 'companies'
assert_reflection MyApplication::Billing::Account,
:qualified_billing_firm,
:klass => MyApplication::Billing::Firm,
:class_name => 'MyApplication::Billing::Firm',
:table_name => 'companies'
assert_reflection MyApplication::Billing::Account,
:unqualified_billing_firm,
:klass => MyApplication::Billing::Firm,
:class_name => 'Firm',
:table_name => 'companies'
assert_reflection MyApplication::Billing::Account,
:nested_qualified_billing_firm,
:klass => MyApplication::Billing::Nested::Firm,
:class_name => 'MyApplication::Billing::Nested::Firm',
:table_name => 'companies'
assert_reflection MyApplication::Billing::Account,
:nested_unqualified_billing_firm,
:klass => MyApplication::Billing::Nested::Firm,
:class_name => 'Nested::Firm',
:table_name => 'companies'
end
def test_reflection_of_all_associations
assert_equal 17, Firm.reflect_on_all_associations.size
assert_equal 15, Firm.reflect_on_all_associations(:has_many).size
assert_equal 2, Firm.reflect_on_all_associations(:has_one).size
assert_equal 0, Firm.reflect_on_all_associations(:belongs_to).size
end
private
def assert_reflection(klass, association, options)
assert reflection = klass.reflect_on_association(association)
options.each do |method, value|
assert_equal(value, reflection.send(method))
end
end
end
|
