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# frozen_string_literal: true
require 'test_helper'
module Enumerize
class AttributeMapTest < Minitest::Spec
subject { AttributeMap.new }
def make_attr(name)
Attribute.new(nil, name, :in => %[a b])
end
it 'empty when no attrs' do
expect(subject).must_be_empty
end
it 'not empty when attr added' do
subject << make_attr(:a)
expect(subject).wont_be_empty
end
it 'iterates over added attrs' do
attr_1 = make_attr(:a)
attr_2 = make_attr(:b)
subject << attr_1
subject << attr_2
count = 0
actual = []
subject.each do |element|
count += 1
actual << element
end
expect(count).must_equal 2
expect(actual).must_equal [attr_1, attr_2]
end
it 'reads attribute by name' do
attr = make_attr(:a)
subject << attr
expect(subject[:a]).must_equal attr
end
it 'reads attribute by name using string' do
attr = make_attr(:a)
subject << attr
expect(subject['a']).must_equal attr
end
it 'updates dependants' do
attr = make_attr(:a)
dependant = Minitest::Mock.new
dependant.expect(:<<, nil, [attr])
subject.add_dependant dependant
subject << attr
dependant.verify
end
it 'adds attrs to dependant' do
attr = make_attr(:a)
subject << attr
dependant = AttributeMap.new
subject.add_dependant dependant
expect(dependant[:a]).must_equal attr
end
end
end
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