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168 lines
7.2 KiB
Ruby
168 lines
7.2 KiB
Ruby
require "cases/helper"
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require 'models/post'
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require 'models/author'
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require 'models/project'
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require 'models/developer'
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require 'models/company'
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class AssociationCallbacksTest < ActiveRecord::TestCase
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fixtures :posts, :authors, :projects, :developers
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def setup
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@david = authors(:david)
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@thinking = posts(:thinking)
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@authorless = posts(:authorless)
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assert @david.post_log.empty?
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end
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def test_adding_macro_callbacks
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@david.posts_with_callbacks << @thinking
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assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}"], @david.post_log
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@david.posts_with_callbacks << @thinking
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assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}", "before_adding#{@thinking.id}",
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"after_adding#{@thinking.id}"], @david.post_log
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end
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def test_adding_with_proc_callbacks
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@david.posts_with_proc_callbacks << @thinking
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assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}"], @david.post_log
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@david.posts_with_proc_callbacks << @thinking
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assert_equal ["before_adding#{@thinking.id}", "after_adding#{@thinking.id}", "before_adding#{@thinking.id}",
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"after_adding#{@thinking.id}"], @david.post_log
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end
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def test_removing_with_macro_callbacks
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first_post, second_post = @david.posts_with_callbacks[0, 2]
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@david.posts_with_callbacks.delete(first_post)
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assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}"], @david.post_log
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@david.posts_with_callbacks.delete(second_post)
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assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}", "before_removing#{second_post.id}",
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"after_removing#{second_post.id}"], @david.post_log
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end
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def test_removing_with_proc_callbacks
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first_post, second_post = @david.posts_with_callbacks[0, 2]
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@david.posts_with_proc_callbacks.delete(first_post)
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assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}"], @david.post_log
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@david.posts_with_proc_callbacks.delete(second_post)
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assert_equal ["before_removing#{first_post.id}", "after_removing#{first_post.id}", "before_removing#{second_post.id}",
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"after_removing#{second_post.id}"], @david.post_log
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end
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def test_multiple_callbacks
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@david.posts_with_multiple_callbacks << @thinking
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assert_equal ["before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", "after_adding#{@thinking.id}",
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"after_adding_proc#{@thinking.id}"], @david.post_log
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@david.posts_with_multiple_callbacks << @thinking
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assert_equal ["before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}", "after_adding#{@thinking.id}",
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"after_adding_proc#{@thinking.id}", "before_adding#{@thinking.id}", "before_adding_proc#{@thinking.id}",
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"after_adding#{@thinking.id}", "after_adding_proc#{@thinking.id}"], @david.post_log
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end
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def test_has_many_callbacks_with_create
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morten = Author.create :name => "Morten"
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post = morten.posts_with_proc_callbacks.create! :title => "Hello", :body => "How are you doing?"
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assert_equal ["before_adding<new>", "after_adding#{post.id}"], morten.post_log
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end
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def test_has_many_callbacks_with_create!
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morten = Author.create! :name => "Morten"
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post = morten.posts_with_proc_callbacks.create :title => "Hello", :body => "How are you doing?"
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assert_equal ["before_adding<new>", "after_adding#{post.id}"], morten.post_log
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end
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def test_has_many_callbacks_for_save_on_parent
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jack = Author.new :name => "Jack"
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jack.posts_with_callbacks.build :title => "Call me back!", :body => "Before you wake up and after you sleep"
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callback_log = ["before_adding<new>", "after_adding#{jack.posts_with_callbacks.first.id}"]
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assert_equal callback_log, jack.post_log
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assert jack.save
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assert_equal 1, jack.posts_with_callbacks.count
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assert_equal callback_log, jack.post_log
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end
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def test_has_many_callbacks_for_destroy_on_parent
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firm = Firm.create! :name => "Firm"
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client = firm.clients.create! :name => "Client"
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firm.destroy
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assert_equal ["before_remove#{client.id}", "after_remove#{client.id}"], firm.log
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end
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def test_has_and_belongs_to_many_add_callback
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david = developers(:david)
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ar = projects(:active_record)
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assert ar.developers_log.empty?
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ar.developers_with_callbacks << david
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assert_equal ["before_adding#{david.id}", "after_adding#{david.id}"], ar.developers_log
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ar.developers_with_callbacks << david
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assert_equal ["before_adding#{david.id}", "after_adding#{david.id}", "before_adding#{david.id}",
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"after_adding#{david.id}"], ar.developers_log
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end
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def test_has_and_belongs_to_many_after_add_called_after_save
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ar = projects(:active_record)
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assert ar.developers_log.empty?
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alice = Developer.new(:name => 'alice')
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ar.developers_with_callbacks << alice
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assert_equal"after_adding#{alice.id}", ar.developers_log.last
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bob = ar.developers_with_callbacks.create(:name => 'bob')
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assert_equal "after_adding#{bob.id}", ar.developers_log.last
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ar.developers_with_callbacks.build(:name => 'charlie')
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assert_equal "after_adding<new>", ar.developers_log.last
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end
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def test_has_and_belongs_to_many_remove_callback
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david = developers(:david)
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jamis = developers(:jamis)
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activerecord = projects(:active_record)
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assert activerecord.developers_log.empty?
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activerecord.developers_with_callbacks.delete(david)
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assert_equal ["before_removing#{david.id}", "after_removing#{david.id}"], activerecord.developers_log
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activerecord.developers_with_callbacks.delete(jamis)
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assert_equal ["before_removing#{david.id}", "after_removing#{david.id}", "before_removing#{jamis.id}",
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"after_removing#{jamis.id}"], activerecord.developers_log
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end
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def test_has_and_belongs_to_many_remove_callback_on_clear
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activerecord = projects(:active_record)
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assert activerecord.developers_log.empty?
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if activerecord.developers_with_callbacks.size == 0
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activerecord.developers << developers(:david)
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activerecord.developers << developers(:jamis)
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activerecord.reload
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assert activerecord.developers_with_callbacks.size == 2
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end
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log_array = activerecord.developers_with_callbacks.collect {|d| ["before_removing#{d.id}","after_removing#{d.id}"]}.flatten.sort
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assert activerecord.developers_with_callbacks.clear
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assert_equal log_array, activerecord.developers_log.sort
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end
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def test_has_many_and_belongs_to_many_callbacks_for_save_on_parent
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project = Project.new :name => "Callbacks"
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project.developers_with_callbacks.build :name => "Jack", :salary => 95000
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callback_log = ["before_adding<new>", "after_adding<new>"]
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assert_equal callback_log, project.developers_log
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assert project.save
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assert_equal 1, project.developers_with_callbacks.size
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assert_equal callback_log, project.developers_log
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end
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def test_dont_add_if_before_callback_raises_exception
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assert !@david.unchangable_posts.include?(@authorless)
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begin
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@david.unchangable_posts << @authorless
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rescue Exception
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end
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assert @david.post_log.empty?
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assert !@david.unchangable_posts.include?(@authorless)
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@david.reload
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assert !@david.unchangable_posts.include?(@authorless)
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end
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end
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