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
|
require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
module ActiveRelation
describe Selection do
before do
@relation = Table.new(:users)
@predicate = @relation[:id].eq(1)
end
describe '#initialize' do
before do
@another_predicate = @relation[:name].lt(2)
end
it "manufactures nested selection relations if multiple predicates are provided" do
Selection.new(@relation, @predicate, @another_predicate). \
should == Selection.new(Selection.new(@relation, @another_predicate), @predicate)
end
end
describe '#qualify' do
it "descends" do
Selection.new(@relation, @predicate).qualify. \
should == Selection.new(@relation, @predicate).descend(&:qualify)
end
end
describe '#descend' do
it "distributes a block over the relation and predicates" do
Selection.new(@relation, @predicate).descend(&:qualify). \
should == Selection.new(@relation.descend(&:qualify), @predicate.descend(&:qualify))
end
end
describe '#to_sql' do
describe 'when given a predicate' do
it "manufactures sql with where clause conditions" do
Selection.new(@relation, @predicate).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`
FROM `users`
WHERE `users`.`id` = 1
")
end
end
describe 'when given a string' do
before do
@string = "asdf".bind(@relation)
end
it "passes the string through to the where clause" do
Selection.new(@relation, @string).to_sql.should be_like("
SELECT `users`.`id`, `users`.`name`
FROM `users`
WHERE asdf
")
end
end
end
end
end
|
