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/topic'
class AttributeMethodsTest < ActiveRecord::TestCase
fixtures :topics
def setup
@old_suffixes = ActiveRecord::Base.send(:attribute_method_suffixes).dup
@target = Class.new(ActiveRecord::Base)
@target.table_name = 'topics'
end
def teardown
ActiveRecord::Base.send(:attribute_method_suffixes).clear
ActiveRecord::Base.attribute_method_suffix *@old_suffixes
end
def test_match_attribute_method_query_returns_match_data
assert_not_nil md = @target.match_attribute_method?('title=')
assert_equal 'title', md.pre_match
assert_equal ['='], md.captures
%w(_hello_world ist! _maybe?).each do |suffix|
@target.class_eval "def attribute#{suffix}(*args) args end"
@target.attribute_method_suffix suffix
assert_not_nil md = @target.match_attribute_method?("title#{suffix}")
assert_equal 'title', md.pre_match
assert_equal [suffix], md.captures
end
end
def test_declared_attribute_method_affects_respond_to_and_method_missing
topic = @target.new(:title => 'Budget')
assert topic.respond_to?('title')
assert_equal 'Budget', topic.title
assert !topic.respond_to?('title_hello_world')
assert_raise(NoMethodError) { topic.title_hello_world }
%w(_hello_world _it! _candidate= able?).each do |suffix|
@target.class_eval "def attribute#{suffix}(*args) args end"
@target.attribute_method_suffix suffix
meth = "title#{suffix}"
assert topic.respond_to?(meth)
assert_equal ['title'], topic.send(meth)
assert_equal ['title', 'a'], topic.send(meth, 'a')
assert_equal ['title', 1, 2, 3], topic.send(meth, 1, 2, 3)
end
end
def test_should_unserialize_attributes_for_frozen_records
myobj = {:value1 => :value2}
topic = Topic.create("content" => myobj)
topic.freeze
assert_equal myobj, topic.content
end
def test_kernel_methods_not_implemented_in_activerecord
%w(test name display y).each do |method|
assert_equal false, ActiveRecord::Base.instance_method_already_implemented?(method), "##{method} is defined"
end
end
def test_primary_key_implemented
assert_equal true, Class.new(ActiveRecord::Base).instance_method_already_implemented?('id')
end
def test_defined_kernel_methods_implemented_in_model
%w(test name display y).each do |method|
klass = Class.new ActiveRecord::Base
klass.class_eval "def #{method}() 'defined #{method}' end"
assert_equal true, klass.instance_method_already_implemented?(method), "##{method} is not defined"
end
end
def test_defined_kernel_methods_implemented_in_model_abstract_subclass
%w(test name display y).each do |method|
abstract = Class.new ActiveRecord::Base
abstract.class_eval "def #{method}() 'defined #{method}' end"
abstract.abstract_class = true
klass = Class.new abstract
assert_equal true, klass.instance_method_already_implemented?(method), "##{method} is not defined"
end
end
def test_raises_dangerous_attribute_error_when_defining_activerecord_method_in_model
%w(save create_or_update).each do |method|
klass = Class.new ActiveRecord::Base
klass.class_eval "def #{method}() 'defined #{method}' end"
assert_raises ActiveRecord::DangerousAttributeError do
klass.instance_method_already_implemented?(method)
end
end
end
def test_only_time_related_columns_are_meant_to_be_cached_by_default
expected = %w(datetime timestamp time date).sort
assert_equal expected, ActiveRecord::Base.attribute_types_cached_by_default.map(&:to_s).sort
end
def test_declaring_attributes_as_cached_adds_them_to_the_attributes_cached_by_default
default_attributes = Topic.cached_attributes
Topic.cache_attributes :replies_count
expected = default_attributes + ["replies_count"]
assert_equal expected.sort, Topic.cached_attributes.sort
Topic.instance_variable_set "@cached_attributes", nil
end
def test_time_related_columns_are_actually_cached
column_types = %w(datetime timestamp time date).map(&:to_sym)
column_names = Topic.columns.select{|c| column_types.include?(c.type) }.map(&:name)
assert_equal column_names.sort, Topic.cached_attributes.sort
assert_equal time_related_columns_on_topic.sort, Topic.cached_attributes.sort
end
def test_accessing_cached_attributes_caches_the_converted_values_and_nothing_else
t = topics(:first)
cache = t.instance_variable_get "@attributes_cache"
assert_not_nil cache
assert cache.empty?
all_columns = Topic.columns.map(&:name)
cached_columns = time_related_columns_on_topic
uncached_columns = all_columns - cached_columns
all_columns.each do |attr_name|
attribute_gets_cached = Topic.cache_attribute?(attr_name)
val = t.send attr_name unless attr_name == "type"
if attribute_gets_cached
assert cached_columns.include?(attr_name)
assert_equal val, cache[attr_name]
else
assert uncached_columns.include?(attr_name)
assert !cache.include?(attr_name)
end
end
end
private
def time_related_columns_on_topic
Topic.columns.select{|c| [:time, :date, :datetime, :timestamp].include?(c.type)}.map(&:name)
end
end
|
