require 'test_helper' class PaperTrailCleanerTest < ActiveSupport::TestCase setup do @animals = [@animal = Animal.new, @dog = Dog.new, @cat = Cat.new] @animals.each do |animal| 3.times { animal.update_attribute(:name, Faker::Name.name) } end end test 'Baseline' do assert_equal 9, PaperTrail::Version.count @animals.each { |animal| assert_equal 3, animal.versions.size } end context '`clean_versions!` method' do should 'be extended by `PaperTrail` module' do assert_respond_to PaperTrail, :clean_versions! end context 'No options provided' do should 'removes extra versions for each item' do PaperTrail.clean_versions! assert_equal 3, PaperTrail::Version.count @animals.each { |animal| assert_equal 1, animal.versions.size } end should 'removes the earliest version(s)' do most_recent_version_names = @animals.map { |animal| animal.versions.last.reify.name } PaperTrail.clean_versions! assert_equal most_recent_version_names, @animals.map { |animal| animal.versions.last.reify.name } end end context '`:keeping` option' do should 'modifies the number of versions ommitted from destruction' do PaperTrail.clean_versions!(:keeping => 2) assert_equal 6, PaperTrail::Version.all.count @animals.each { |animal| assert_equal 2, animal.versions.size } end end context '`:date` option' do setup do @animal.versions.each { |ver| ver.update_attribute(:created_at, ver.created_at - 1.day) } @date = @animal.versions.first.created_at.to_date @animal.update_attribute(:name, Faker::Name.name) end should 'restrict the versions destroyed to those that were created on the date provided' do assert_equal 10, PaperTrail::Version.count assert_equal 4, @animal.versions.size assert_equal 3, @animal.versions_between(@date, @date + 1.day).size PaperTrail.clean_versions!(:date => @date) assert_equal 8, PaperTrail::Version.count assert_equal 2, @animal.versions(true).size assert_equal @date, @animal.versions.first.created_at.to_date assert_not_same @date, @animal.versions.last.created_at.to_date end end context '`:item_id` option' do context 'single ID received' do should 'restrict the versions destroyed to the versions for the Item with that ID' do PaperTrail.clean_versions!(:item_id => @animal.id) assert_equal 1, @animal.versions.size assert_equal 7, PaperTrail::Version.count end end context "collection of ID's received" do should "restrict the versions destroyed to the versions for the Item with those ID's" do PaperTrail.clean_versions!(:item_id => [@animal.id, @dog.id]) assert_equal 1, @animal.versions.size assert_equal 1, @dog.versions.size assert_equal 5, PaperTrail::Version.count end end end context 'options combinations' do # additional tests to cover combinations of options context '`:date`' do setup do [@animal, @dog].each do |animal| animal.versions.each { |ver| ver.update_attribute(:created_at, ver.created_at - 1.day) } animal.update_attribute(:name, Faker::Name.name) end @date = @animal.versions.first.created_at.to_date end should 'Baseline' do assert_equal 11, PaperTrail::Version.count [@animal, @dog].each do |animal| assert_equal 4, animal.versions.size assert_equal 3, animal.versions.between(@date, @date+1.day).size end end context 'and `:keeping`' do should 'restrict cleaning properly' do PaperTrail.clean_versions!(:date => @date, :keeping => 2) [@animal, @dog].each do |animal| animal.versions.reload # reload the association to pick up the destructions made by the `Cleaner` assert_equal 3, animal.versions.size assert_equal 2, animal.versions.between(@date, @date+1.day).size end assert_equal 9, PaperTrail::Version.count # ensure that the versions for the `@cat` instance wasn't touched end end context 'and `:item_id`' do should 'restrict cleaning properly' do PaperTrail.clean_versions!(:date => @date, :item_id => @dog.id) @dog.versions.reload # reload the association to pick up the destructions made by the `Cleaner` assert_equal 2, @dog.versions.size assert_equal 1, @dog.versions.between(@date, @date+1.day).size assert_equal 9, PaperTrail::Version.count # ensure the versions for other animals besides `@animal` weren't touched end end context ', `:item_id`, and `:keeping`' do should 'restrict cleaning properly' do PaperTrail.clean_versions!(:date => @date, :item_id => @dog.id, :keeping => 2) @dog.versions.reload # reload the association to pick up the destructions made by the `Cleaner` assert_equal 3, @dog.versions.size assert_equal 2, @dog.versions.between(@date, @date+1.day).size assert_equal 10, PaperTrail::Version.count # ensure the versions for other animals besides `@animal` weren't touched end end end context '`:keeping` and `:item_id`' do should 'restrict cleaning properly' do PaperTrail.clean_versions!(:keeping => 2, :item_id => @animal.id) assert_equal 2, @animal.versions.size assert_equal 8, PaperTrail::Version.count # ensure the versions for other animals besides `@animal` weren't touched end end end end # clean_versions! method end