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-rw-r--r--activerecord/test/cases/timestamp_test.rb75
1 files changed, 75 insertions, 0 deletions
diff --git a/activerecord/test/cases/timestamp_test.rb b/activerecord/test/cases/timestamp_test.rb
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index 0000000000..24b237a72b
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+++ b/activerecord/test/cases/timestamp_test.rb
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+require 'cases/helper'
+require 'models/developer'
+require 'models/owner'
+require 'models/pet'
+
+class TimestampTest < ActiveRecord::TestCase
+ fixtures :developers, :owners, :pets
+
+ def setup
+ @developer = Developer.first
+ @previously_updated_at = @developer.updated_at
+ end
+
+ def test_saving_a_changed_record_updates_its_timestamp
+ @developer.name = "Jack Bauer"
+ @developer.save!
+
+ assert @previously_updated_at != @developer.updated_at
+ end
+
+ def test_saving_a_unchanged_record_doesnt_update_its_timestamp
+ @developer.save!
+
+ assert @previously_updated_at == @developer.updated_at
+ end
+
+ def test_touching_a_record_updates_its_timestamp
+ @developer.touch
+
+ assert @previously_updated_at != @developer.updated_at
+ end
+
+ def test_touching_a_different_attribute
+ previously_created_at = @developer.created_at
+ @developer.touch(:created_at)
+
+ assert previously_created_at != @developer.created_at
+ end
+
+ def test_saving_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_update_the_parent_updated_at
+ pet = Pet.first
+ owner = pet.owner
+ previously_owner_updated_at = owner.updated_at
+
+ pet.name = "Fluffy the Third"
+ pet.save
+
+ assert previously_owner_updated_at != pet.owner.updated_at
+ end
+
+ def test_destroying_a_record_with_a_belongs_to_that_specifies_touching_the_parent_should_update_the_parent_updated_at
+ pet = Pet.first
+ owner = pet.owner
+ previously_owner_updated_at = owner.updated_at
+
+ pet.destroy
+
+ assert previously_owner_updated_at != pet.owner.updated_at
+ end
+
+ def test_saving_a_record_with_a_belongs_to_that_specifies_touching_a_specific_attribute_the_parent_should_update_that_attribute
+ Pet.belongs_to :owner, :touch => :happy_at
+
+ pet = Pet.first
+ owner = pet.owner
+ previously_owner_happy_at = owner.happy_at
+
+ pet.name = "Fluffy the Third"
+ pet.save
+
+ assert previously_owner_happy_at != pet.owner.happy_at
+ ensure
+ Pet.belongs_to :owner, :touch => true
+ end
+end \ No newline at end of file