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Contents
require "spec_helper"
require "shamu/attributes"
describe Shamu::Attributes::Equality do
let( :klass ) do
Class.new do
include Shamu::Attributes
include Shamu::Attributes::Equality
attribute :name
attribute :random, ignore_inequality: true
end
end
let( :value ) { klass.new( name: "same" ) }
let( :same ) { klass.new( name: "same" ) }
let( :different ) { klass.new( name: "different" ) }
it "is eql? for the same attributes" do
expect( value ).to eq same
end
it "isn't eql? for different attributes" do
expect( value ).not_to eq different
end
it "isn't eql? for different types with the same attributes" do
other_klass = Class.new do
include Shamu::Attributes
include Shamu::Attributes::Equality
attribute :name
end
other = other_klass.new( name: value.name )
expect( value ).not_to eq other
end
it "is eql? for derived types with same attributes" do
derived_klass = Class.new( klass )
derived = derived_klass.new( name: value.name )
expect( value ).to eq derived
expect( derived ).to eq value
end
it "has the same hash for the same attributes" do
expect( value.hash ).to eq same.hash
end
it "has a different hash for different attributes" do
expect( value.hash ).not_to eq different.hash
end
it "ignores excluded attributes" do
v1 = klass.new( name: "same", random: 123 )
v2 = klass.new( name: "same", random: 456 )
expect( v1 ).to eq v2
end
end
Version data entries
14 entries across 14 versions & 1 rubygems