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Contents
require 'spec_helper'
describe Virtus::AttributeSet, '#each' do
let(:name) { :name }
let(:attribute) { mock('Attribute', :name => name) }
let(:attributes) { [ attribute ] }
let(:parent) { described_class.new }
let(:object) { described_class.new(parent, attributes) }
let(:yields) { Set[] }
context 'with no block' do
subject { object.each }
it { should be_instance_of(to_enum.class) }
it 'yields the expected attributes' do
subject.to_a.should eql(object.to_a)
end
end
context 'with a block' do
subject { object.each { |attribute| yields << attribute } }
context 'when the parent has no attributes' do
it { should equal(object) }
it 'yields the expected attributes' do
expect { subject }.to change { yields.dup }.
from(Set[]).
to(attributes.to_set)
end
end
context 'when the parent has attributes that are not duplicates' do
let(:parent_attribute) { mock('Parent Attribute', :name => :parent_name) }
let(:parent) { described_class.new([ parent_attribute ]) }
it { should equal(object) }
it 'yields the expected attributes' do
expect { subject }.to change { yields.dup }.
from(Set[]).
to(Set[ attribute, parent_attribute ])
end
end
context 'when the parent has attributes that are duplicates' do
let(:parent_attribute) { mock('Parent Attribute', :name => name) }
let(:parent) { described_class.new([ parent_attribute ]) }
it { should equal(object) }
it 'yields the expected attributes' do
expect { subject }.to change { yields.dup }.
from(Set[]).
to(Set[ attribute ])
end
end
end
end
Version data entries
20 entries across 20 versions & 2 rubygems