blob: c91752015866b63b55159181c36a48aa9674b1d1 (
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
26
27
|
require 'spec_helper'
module Arel
describe Equality do
before do
@relation1 = Table.new(:users)
@relation2 = Table.new(:photos)
@attribute1 = @relation1[:id]
@attribute2 = @relation2[:user_id]
end
describe '==' do
it "obtains if attribute1 and attribute2 are identical" do
Equality.new(@attribute1, @attribute2).should == Equality.new(@attribute1, @attribute2)
Equality.new(@attribute1, @attribute2).should_not == Equality.new(@attribute1, @attribute1)
end
it "obtains if the concrete type of the predicates are identical" do
Equality.new(@attribute1, @attribute2).should_not == Binary.new(@attribute1, @attribute2)
end
it "is commutative on the attributes" do
Equality.new(@attribute1, @attribute2).should == Equality.new(@attribute2, @attribute1)
end
end
end
end
|