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Contents
require 'spec_helper'
describe Virtus::AttributeSet, '#each' do
subject(:attribute_set) { described_class.new(parent, attributes) }
let(:name) { :name }
let(:attribute) { Virtus::Attribute.build(String, :name => :name) }
let(:attributes) { [ attribute ] }
let(:parent) { described_class.new }
let(:yields) { Set[] }
context 'with no block' do
it 'returns an enumerator when block is not provided' do
expect(attribute_set.each).to be_kind_of(Enumerator)
end
it 'yields the expected attributes' do
result = []
attribute_set.each { |attribute| result << attribute }
expect(result).to eql(attributes)
end
end
context 'with a block' do
subject { attribute_set.each { |attribute| yields << attribute } }
context 'when the parent has no attributes' do
it { is_expected.to equal(attribute_set) }
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) { Virtus::Attribute.build(String, :name => :parent_name) }
let(:parent) { described_class.new([ parent_attribute ]) }
it { is_expected.to equal(attribute_set) }
it 'yields the expected attributes' do
result = []
attribute_set.each { |attribute| result << attribute }
expect(result).to eql([parent_attribute, 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(attribute_set) }
it 'yields the expected attributes' do
expect { subject }.to change { yields.dup }.
from(Set[]).
to(Set[ attribute ])
end
end
end
end
Version data entries
15 entries across 13 versions & 5 rubygems