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97019f9f5a
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@9159 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
126 lines
3.6 KiB
Ruby
126 lines
3.6 KiB
Ruby
require 'cases/helper'
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require 'models/topic' # For booleans
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require 'models/pirate' # For timestamps
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require 'models/parrot'
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class Pirate # Just reopening it, not defining it
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attr_accessor :detected_changes_in_after_update # Boolean for if changes are detected
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attr_accessor :changes_detected_in_after_update # Actual changes
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after_update :check_changes
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private
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# after_save/update in sweepers, observers, and the model itself
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# can end up checking dirty status and acting on the results
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def check_changes
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if self.changed?
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self.detected_changes_in_after_update = true
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self.changes_detected_in_after_update = self.changes
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end
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end
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end
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class DirtyTest < ActiveRecord::TestCase
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def test_attribute_changes
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# New record - no changes.
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pirate = Pirate.new
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assert !pirate.catchphrase_changed?
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assert_nil pirate.catchphrase_change
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# Change catchphrase.
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pirate.catchphrase = 'arrr'
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assert pirate.catchphrase_changed?
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assert_nil pirate.catchphrase_was
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assert_equal [nil, 'arrr'], pirate.catchphrase_change
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# Saved - no changes.
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pirate.save!
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assert !pirate.catchphrase_changed?
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assert_nil pirate.catchphrase_change
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# Same value - no changes.
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pirate.catchphrase = 'arrr'
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assert !pirate.catchphrase_changed?
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assert_nil pirate.catchphrase_change
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end
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def test_object_should_be_changed_if_any_attribute_is_changed
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pirate = Pirate.new
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assert !pirate.changed?
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assert_equal [], pirate.changed
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assert_equal Hash.new, pirate.changes
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pirate.catchphrase = 'arrr'
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assert pirate.changed?
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assert_nil pirate.catchphrase_was
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assert_equal %w(catchphrase), pirate.changed
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assert_equal({'catchphrase' => [nil, 'arrr']}, pirate.changes)
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pirate.save
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assert !pirate.changed?
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assert_equal [], pirate.changed
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assert_equal Hash.new, pirate.changes
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end
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def test_attribute_will_change!
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pirate = Pirate.create!(:catchphrase => 'arr')
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pirate.catchphrase << ' matey'
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assert !pirate.catchphrase_changed?
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assert pirate.catchphrase_will_change!
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assert pirate.catchphrase_changed?
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assert_equal ['arr matey', 'arr matey'], pirate.catchphrase_change
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pirate.catchphrase << '!'
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assert pirate.catchphrase_changed?
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assert_equal ['arr matey', 'arr matey!'], pirate.catchphrase_change
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end
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def test_association_assignment_changes_foreign_key
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pirate = Pirate.create!
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pirate.parrot = Parrot.create!
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assert pirate.changed?
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assert_equal %w(parrot_id), pirate.changed
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end
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def test_attribute_should_be_compared_with_type_cast
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topic = Topic.new
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assert topic.approved?
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assert !topic.approved_changed?
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# Coming from web form.
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params = {:topic => {:approved => 1}}
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# In the controller.
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topic.attributes = params[:topic]
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assert topic.approved?
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assert !topic.approved_changed?
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end
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def test_partial_update
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pirate = Pirate.new(:catchphrase => 'foo')
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old_updated_on = 1.hour.ago.beginning_of_day
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with_partial_updates Pirate, false do
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assert_queries(2) { 2.times { pirate.save! } }
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Pirate.update_all({ :updated_on => old_updated_on }, :id => pirate.id)
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end
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with_partial_updates Pirate, true do
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assert_queries(0) { 2.times { pirate.save! } }
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assert_equal old_updated_on, pirate.reload.updated_on
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assert_queries(1) { pirate.catchphrase = 'bar'; pirate.save! }
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assert_not_equal old_updated_on, pirate.reload.updated_on
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end
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end
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private
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def with_partial_updates(klass, on = true)
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old = klass.partial_updates?
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klass.partial_updates = on
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yield
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ensure
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klass.partial_updates = old
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end
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end
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