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Contents
require 'spec_helper'
describe Virtus::AttributeSet, '#[]=' do
subject { object[name] = 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(attribute) }
it 'adds an attribute' do
expect { subject }.to change { object.to_a }.from(attributes).to([ attribute ])
end
it 'allows #[] to access the attribute with a symbol' do
expect { subject }.to change { object['name'] }.from(nil).to(attribute)
end
it 'allows #[] to access the attribute with a string' do
expect { subject }.to change { object[:name] }.from(nil).to(attribute)
end
it 'allows #reset to track overridden attributes' do
expect { subject }.to change { object.reset.to_a }.from(attributes).to([ attribute ])
end
end
context 'with a duplicate attribute' do
let(:original) { Virtus::Attribute.build(String, :name => name) }
let(:attributes) { [ original ] }
let(:attribute) { Virtus::Attribute.build(String, :name => name) }
it { is_expected.to equal(attribute) }
it 'replaces the original attribute' do
expect { subject }.to change { object.to_a }.from(attributes).to([ attribute ])
end
it 'allows #[] to access the attribute with a symbol' do
expect { subject }.to change { object['name'] }.from(original).to(attribute)
end
it 'allows #[] to access the attribute with a string' do
expect { subject }.to change { object[:name] }.from(original).to(attribute)
end
it 'allows #reset to track overridden attributes' do
expect { subject }.to change { object.reset.to_a }.from(attributes).to([ attribute ])
end
end
end
Version data entries
8 entries across 6 versions & 3 rubygems