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Versions: 7
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Contents
require 'spec_helper'
describe Virtus::AttributeSet, '#<<' do
subject { object << attribute }
let(:attributes) { [] }
let(:parent) { described_class.new }
let(:object) { described_class.new(parent, attributes) }
let(:name) { :name }
context 'with a new attribute' do
let(:attribute) { Virtus::Attribute.build(String, :name => name) }
it { is_expected.to equal(object) }
it 'adds an attribute' do
expect { subject }.to change { object.to_a }.
from(attributes).
to([ attribute ])
end
it 'indexes the new attribute under its #name property' do
expect { subject }.to change { object[name] }.
from(nil).
to(attribute)
end
it 'indexes the new attribute under the string version of its #name property' do
expect { subject }.to change { object[name.to_s] }.
from(nil).
to(attribute)
end
end
context 'with a duplicate attribute' do
let(:attributes) { [Virtus::Attribute.build(String, :name => name)] }
let(:attribute) { Virtus::Attribute.build(String, :name => name) }
it { is_expected.to equal(object) }
it "replaces the original attribute object" do
expect { subject }.to change { object.to_a.map(&:__id__) }.
from(attributes.map(&:__id__)).
to([attribute.__id__])
end
end
end
Version data entries
7 entries across 7 versions & 3 rubygems