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# frozen_string_literal: true
require 'test_helper'
require 'yaml'
class SetTest < Minitest::Spec
let(:kklass) do
Class.new do
extend Enumerize
enumerize :foo, :in => %w(a b c), :multiple => true
end
end
let(:object) { kklass.new }
def build_set(values)
@set = Enumerize::Set.new(object, kklass.foo, values)
end
def set
@set
end
def assert_called(object, method)
called = false
object.singleton_class.class_eval do
define_method method do |*args, &block|
called = true
super(*args, &block)
end
end
yield
assert called, "Expected ##{method} to be called"
end
before do
build_set %w(a)
end
it 'equals to other set' do
expect(set).must_equal Enumerize::Set.new(nil, kklass.foo, %w(a))
end
it 'equals to array' do
expect(set).must_equal %w(a)
end
it 'equals to array of symbols' do
expect(set).must_equal [:a]
end
it 'has unique values' do
set << :a
expect(set).must_equal %w(a)
end
it 'equals to array with different value order' do
set << :b
expect(set).must_equal %w(b a)
end
it "isn't equal to a part of values" do
set << :b
expect(set).wont_equal %w(a)
end
describe '#push' do
it 'appends values' do
set.push :b
expect(set).must_include :b
end
it 'reassigns attribute' do
assert_called object, :foo= do
set.push :b
end
end
end
describe '#delete' do
it 'deletes value' do
set.delete :a
expect(set).wont_include :a
end
it 'reassigns attribute' do
assert_called object, :foo= do
set.delete :a
end
end
end
describe '#inspect' do
it 'returns custom string' do
set << :b
expect(set.inspect).must_equal '#<Enumerize::Set {a, b}>'
end
end
describe '#to_ary' do
it 'returns array' do
expect(set.to_ary).must_be_instance_of Array
end
end
describe '#texts' do
it 'returns array of text values' do
expect(set.texts).must_equal ['A']
end
end
describe '#join' do
it 'joins values' do
set << :b
expect(set.join(', ')).must_equal 'a, b'
end
end
describe 'boolean methods comparison' do
it 'returns true if value equals method' do
set << :a
expect(set.a?).must_equal true
end
it 'returns false if value does not equal method' do
set << :a
expect(set.b?).must_equal false
end
it 'raises NoMethodError if there are no values like boolean method' do
expect(proc {
set.some_method?
}).must_raise NoMethodError
end
it 'raises ArgumentError if arguments are passed' do
expect(proc {
set.a?('<3')
}).must_raise ArgumentError
end
it 'responds to methods for existing values' do
expect(set).must_respond_to :a?
expect(set).must_respond_to :b?
expect(set).must_respond_to :c?
end
it 'returns a method object' do
expect(set.method(:a?)).must_be_instance_of Method
end
it 'does not respond to a method for not existing value' do
expect(set).wont_respond_to :some_method?
end
end
describe 'serialization' do
it 'is serialized to yaml as array' do
set << :a
assert_equal YAML.dump(%w(a)), YAML.dump(set)
end
end
end
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