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require File.join(File.dirname(__FILE__), '..', '..', '..', 'spec_helper')
module ActiveRelation
describe Equality do
before do
@relation1 = Table.new(:foo)
@relation2 = Table.new(:bar)
@attribute1 = Attribute.new(@relation1, :name)
@attribute2 = Attribute.new(@relation2, :name)
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
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