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require 'spec_helper'
describe Virtus::AttributeSet, '#reset' do
subject { object.reset }
let(:name) { :name }
let(:attribute) { Virtus::Attribute.build(String, :name => :name) }
let(:attributes) { [ attribute ] }
let(:object) { described_class.new(parent, attributes) }
context 'when the parent has no attributes' do
let(:parent) { described_class.new }
it { is_expected.to equal(object) }
describe '#to_set' do
subject { super().to_set }
it { is_expected.to eq(Set[ attribute ]) }
end
end
context 'when the parent has attributes that are not duplicates' do
let(:parent_attribute) { Virtus::Attribute.build(String, :name => :parent_name) }
let(:parent) { described_class.new([ parent_attribute ]) }
it { is_expected.to equal(object) }
describe '#to_set' do
subject { super().to_set }
it { is_expected.to eq(Set[ attribute, parent_attribute ]) }
end
end
context 'when the parent has attributes that are duplicates' do
let(:parent_attribute) { Virtus::Attribute.build(String, :name => name) }
let(:parent) { described_class.new([ parent_attribute ]) }
it { is_expected.to equal(object) }
describe '#to_set' do
subject { super().to_set }
it { is_expected.to eq(Set[ attribute ]) }
end
end
context 'when the parent has changed' do
let(:parent_attribute) { Virtus::Attribute.build(String, :name => :parent_name) }
let(:parent) { described_class.new([ parent_attribute ]) }
let(:new_attribute) { Virtus::Attribute.build(String, :name => :parent_name) }
it { is_expected.to equal(object) }
it 'includes changes from the parent' do
expect(object.to_set).to eql(Set[attribute, parent_attribute])
parent << new_attribute
expect(subject.to_set).to eql(Set[attribute, new_attribute])
end
end
context 'when the parent is nil' do
let(:parent) { nil }
it { is_expected.to equal(object) }
it 'includes changes from the parent' do
expect { subject }.to_not change { object.to_set }
end
end
end
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