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
|
require "cases/helper"
require 'models/post'
require 'models/comment'
module ActiveRecord
class RelationTest < ActiveRecord::TestCase
fixtures :posts, :comments
class FakeKlass < Struct.new(:table_name)
end
def test_construction
relation = nil
assert_nothing_raised do
relation = Relation.new :a, :b
end
assert_equal :a, relation.klass
assert_equal :b, relation.table
assert !relation.loaded, 'relation is not loaded'
end
def test_single_values
assert_equal [:limit, :offset, :lock, :readonly, :create_with, :from].map(&:to_s).sort,
Relation::SINGLE_VALUE_METHODS.map(&:to_s).sort
end
def test_initialize_single_values
relation = Relation.new :a, :b
Relation::SINGLE_VALUE_METHODS.each do |method|
assert_nil relation.send("#{method}_value"), method.to_s
end
end
def test_association_methods
assert_equal [:includes, :eager_load, :preload].map(&:to_s).sort,
Relation::ASSOCIATION_METHODS.map(&:to_s).sort
end
def test_initialize_association_methods
relation = Relation.new :a, :b
Relation::ASSOCIATION_METHODS.each do |method|
assert_equal [], relation.send("#{method}_values"), method.to_s
end
end
def test_multi_value_methods
assert_equal [:select, :group, :order, :joins, :where, :having, :bind].map(&:to_s).sort,
Relation::MULTI_VALUE_METHODS.map(&:to_s).sort
end
def test_multi_value_initialize
relation = Relation.new :a, :b
Relation::MULTI_VALUE_METHODS.each do |method|
assert_equal [], relation.send("#{method}_values"), method.to_s
end
end
def test_extensions
relation = Relation.new :a, :b
assert_equal [], relation.extensions
end
def test_empty_where_values_hash
relation = Relation.new :a, :b
assert_equal({}, relation.where_values_hash)
relation.where_values << :hello
assert_equal({}, relation.where_values_hash)
end
def test_has_values
relation = Relation.new Post, Post.arel_table
relation.where_values << relation.table[:id].eq(10)
assert_equal({:id => 10}, relation.where_values_hash)
end
def test_values_wrong_table
relation = Relation.new Post, Post.arel_table
relation.where_values << Comment.arel_table[:id].eq(10)
assert_equal({}, relation.where_values_hash)
end
def test_tree_is_not_traversed
relation = Relation.new Post, Post.arel_table
left = relation.table[:id].eq(10)
right = relation.table[:id].eq(10)
combine = left.and right
relation.where_values << combine
assert_equal({}, relation.where_values_hash)
end
def test_table_name_delegates_to_klass
relation = Relation.new FakeKlass.new('foo'), :b
assert_equal 'foo', relation.table_name
end
def test_scope_for_create
relation = Relation.new :a, :b
assert_equal({}, relation.scope_for_create)
end
end
end
|
