blob: 5fa326905282cfef014d3c45b2de5f78b925376b (
plain) (
blame)
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
|
require 'spec_helper'
module Arel
describe Join do
before do
@relation1 = Table.new(:users)
@relation2 = Table.new(:photos)
@predicate = @relation1[:id].eq(@relation2[:user_id])
end
describe 'hashing' do
it 'implements hash equality' do
InnerJoin.new(@relation1, @relation2, @predicate) \
.should hash_the_same_as(InnerJoin.new(@relation1, @relation2, @predicate))
end
end
describe '#attributes' do
it 'combines the attributes of the two relations' do
join = InnerJoin.new(@relation1, @relation2, @predicate)
join.attributes.should == (@relation1.attributes | @relation2.attributes).bind(join)
end
end
end
end
|