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
|
require 'cases/helper'
require 'models/post'
module ActiveRecord
class RelationMutationTest < ActiveSupport::TestCase
class FakeKlass < Struct.new(:table_name, :name)
extend ActiveRecord::Delegation::DelegateCache
inherited self
def connection
Post.connection
end
def relation_delegate_class(klass)
self.class.relation_delegate_class(klass)
end
end
def relation
@relation ||= Relation.new FakeKlass.new('posts'), Post.arel_table
end
(Relation::MULTI_VALUE_METHODS - [:references, :extending, :order, :unscope]).each do |method|
test "##{method}!" do
assert relation.public_send("#{method}!", :foo).equal?(relation)
assert_equal [:foo], relation.public_send("#{method}_values")
end
end
test '#order!' do
assert relation.order!('name ASC').equal?(relation)
assert_equal ['name ASC'], relation.order_values
end
test '#order! with symbol prepends the table name' do
assert relation.order!(:name).equal?(relation)
node = relation.order_values.first
assert node.ascending?
assert_equal :name, node.expr.name
assert_equal "posts", node.expr.relation.name
end
test '#order! on non-string does not attempt regexp match for references' do
obj = Object.new
obj.expects(:=~).never
assert relation.order!(obj)
assert_equal [obj], relation.order_values
end
test '#references!' do
assert relation.references!(:foo).equal?(relation)
assert relation.references_values.include?('foo')
end
test 'extending!' do
mod, mod2 = Module.new, Module.new
assert relation.extending!(mod).equal?(relation)
assert_equal [mod], relation.extending_values
assert relation.is_a?(mod)
relation.extending!(mod2)
assert_equal [mod, mod2], relation.extending_values
end
test 'extending! with empty args' do
relation.extending!
assert_equal [], relation.extending_values
end
(Relation::SINGLE_VALUE_METHODS - [:from, :lock, :reordering, :reverse_order, :create_with]).each do |method|
test "##{method}!" do
assert relation.public_send("#{method}!", :foo).equal?(relation)
assert_equal :foo, relation.public_send("#{method}_value")
end
end
test '#from!' do
assert relation.from!('foo').equal?(relation)
assert_equal ['foo', nil], relation.from_value
end
test '#lock!' do
assert relation.lock!('foo').equal?(relation)
assert_equal 'foo', relation.lock_value
end
test '#reorder!' do
relation = self.relation.order('foo')
assert relation.reorder!('bar').equal?(relation)
assert_equal ['bar'], relation.order_values
assert relation.reordering_value
end
test '#reorder! with symbol prepends the table name' do
assert relation.reorder!(:name).equal?(relation)
node = relation.order_values.first
assert node.ascending?
assert_equal :name, node.expr.name
assert_equal "posts", node.expr.relation.name
end
test 'reverse_order!' do
assert relation.reverse_order!.equal?(relation)
assert relation.reverse_order_value
relation.reverse_order!
assert !relation.reverse_order_value
end
test 'create_with!' do
assert relation.create_with!(foo: 'bar').equal?(relation)
assert_equal({foo: 'bar'}, relation.create_with_value)
end
test 'test_merge!' do
assert relation.merge!(where: :foo).equal?(relation)
assert_equal [:foo], relation.where_values
end
test 'merge with a proc' do
assert_equal [:foo], relation.merge(-> { where(:foo) }).where_values
end
test 'none!' do
assert relation.none!.equal?(relation)
assert_equal [NullRelation], relation.extending_values
assert relation.is_a?(NullRelation)
end
test 'distinct!' do
relation.distinct! :foo
assert_equal :foo, relation.distinct_value
assert_equal :foo, relation.uniq_value # deprecated access
end
test 'uniq! was replaced by distinct!' do
relation.uniq! :foo
assert_equal :foo, relation.distinct_value
assert_equal :foo, relation.uniq_value # deprecated access
end
end
end
|
