73 lines
2.4 KiB
Ruby
73 lines
2.4 KiB
Ruby
# frozen_string_literal: true
|
|
require 'fast_spec_helper'
|
|
require 'active_support/concern'
|
|
|
|
RSpec.describe Gitlab::Utils::LazyAttributes do
|
|
subject(:klass) do
|
|
Class.new do
|
|
include Gitlab::Utils::LazyAttributes
|
|
|
|
lazy_attr_reader :number, type: Numeric
|
|
lazy_attr_reader :reader_1, :reader_2
|
|
lazy_attr_accessor :incorrect_type, :string_attribute, :accessor_2, type: String
|
|
|
|
def initialize
|
|
@number = -> { 1 }
|
|
@reader_1 = 'reader_1'
|
|
@reader_2 = -> { 'reader_2' }
|
|
@incorrect_type = -> { :incorrect_type }
|
|
@accessor_2 = -> { 'accessor_2' }
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'class methods' do
|
|
it { is_expected.to respond_to(:lazy_attr_reader, :lazy_attr_accessor) }
|
|
it { is_expected.not_to respond_to(:define_lazy_reader, :define_lazy_writer) }
|
|
end
|
|
|
|
context 'instance methods' do
|
|
subject(:instance) { klass.new }
|
|
|
|
it do
|
|
is_expected.to respond_to(:number, :reader_1, :reader_2, :incorrect_type,
|
|
:incorrect_type=, :accessor_2, :accessor_2=,
|
|
:string_attribute, :string_attribute=)
|
|
end
|
|
|
|
context 'reading attributes' do
|
|
it 'returns the correct values for procs', :aggregate_failures do
|
|
expect(instance.number).to eq(1)
|
|
expect(instance.reader_2).to eq('reader_2')
|
|
expect(instance.accessor_2).to eq('accessor_2')
|
|
end
|
|
|
|
it 'does not return the value if the type did not match what was specified' do
|
|
expect(instance.incorrect_type).to be_nil
|
|
end
|
|
|
|
it 'only calls the block once even if it returned `nil`', :aggregate_failures do
|
|
expect(instance.instance_variable_get('@number')).to receive(:call).once.and_call_original
|
|
expect(instance.instance_variable_get('@accessor_2')).to receive(:call).once.and_call_original
|
|
expect(instance.instance_variable_get('@incorrect_type')).to receive(:call).once.and_call_original
|
|
|
|
2.times do
|
|
instance.number
|
|
instance.incorrect_type
|
|
instance.accessor_2
|
|
end
|
|
end
|
|
end
|
|
|
|
context 'writing attributes' do
|
|
it 'sets the correct values', :aggregate_failures do
|
|
instance.string_attribute = -> { 'updated 1' }
|
|
instance.accessor_2 = nil
|
|
|
|
expect(instance.string_attribute).to eq('updated 1')
|
|
expect(instance.accessor_2).to be_nil
|
|
end
|
|
end
|
|
end
|
|
end
|