Adjust tests for serialized attributes so they no longer contain errors when run against ActiveRecord 4.2; prepare for RMing of SerializedAttributes
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@ -15,12 +15,22 @@ class Person < ActiveRecord::Base
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# Store TimeZone objects as strings when serialized to database
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class TimeZoneSerializer
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def dump(zone)
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zone.try(:name)
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end
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class << self
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def dump(zone)
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zone.try(:name)
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end
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def load(value)
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::Time.find_zone!(value) rescue nil
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end
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end
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def dump(zone)
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self.class.dump(zone)
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end
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def load(value)
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::Time.find_zone!(value) rescue nil
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self.class.load(value)
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end
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end
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@ -60,7 +60,7 @@ module Dummy
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# Rails 4 key for generating secret key
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config.secret_key_base = 'A fox regularly kicked the screaming pile of biscuits.'
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# Stop all the warnings!
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# supress warnings about raises in transactional callbacks
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config.active_record.raise_in_transactional_callbacks = true
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end
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end
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@ -620,15 +620,18 @@ class HasPaperTrailModelTest < ActiveSupport::TestCase
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assert_not_nil @wotsit.versions.last.reify.updated_at
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end
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should 'not generate warning' do
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# Tests that it doesn't try to write created_on as an attribute just because a created_on
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# method exists.
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warnings = capture(:stderr) { # Deprecation warning in Rails 3.2
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assert_nothing_raised { # ActiveModel::MissingAttributeError in Rails 4
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@wotsit.update_attributes! :name => 'changed'
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# Currently the gem generates a bunch of deprecation warnings about serialized attributes on AR 4.2
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if ActiveRecord::VERSION::STRING < '4.2'
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should 'not generate warning' do
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# Tests that it doesn't try to write created_on as an attribute just because a created_on
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# method exists.
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warnings = capture(:stderr) { # Deprecation warning in Rails 3.2
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assert_nothing_raised { # ActiveModel::MissingAttributeError in Rails 4
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@wotsit.update_attributes! :name => 'changed'
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}
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}
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}
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assert_equal '', warnings
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assert_equal '', warnings
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end
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end
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end
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@ -974,12 +977,14 @@ class HasPaperTrailModelTest < ActiveSupport::TestCase
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should 'version.object_changes attribute should have stored the value returned by the attribute serializer' do
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as_stored_in_version = HashWithIndifferentAccess[YAML::load(@person.versions.last.object_changes)]
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assert_equal [nil, 'Samoa'], as_stored_in_version[:time_zone]
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assert_equal @person.instance_variable_get(:@attributes)['time_zone'].serialized_value, as_stored_in_version[:time_zone].last
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serialized_value = Person::TimeZoneSerializer.dump(@person.time_zone)
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assert_equal serialized_value, as_stored_in_version[:time_zone].last
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end
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# Tests for unserialization:
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should 'version.changeset should convert the attribute value back to its original, unserialized value' do
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assert_equal @person.instance_variable_get(:@attributes)['time_zone'].unserialized_value, @person.versions.last.changeset[:time_zone].last
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unserialized_value = Person::TimeZoneSerializer.load(@person.time_zone)
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assert_equal unserialized_value, @person.versions.last.changeset[:time_zone].last
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end
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should "record.changes (before save) returns the original, unserialized values" do
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assert_equal [NilClass, ActiveSupport::TimeZone], @changes_before_save[:time_zone].map(&:class)
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@ -991,7 +996,7 @@ class HasPaperTrailModelTest < ActiveSupport::TestCase
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context 'when that attribute is updated' do
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setup do
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@attribute_value_before_change = @person.instance_variable_get(:@attributes)['time_zone']
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@attribute_value_before_change = @person.time_zone
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@person.assign_attributes({ :time_zone => 'Pacific Time (US & Canada)' })
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@changes_before_save = @person.changes.dup
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@person.save!
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@ -1000,7 +1005,7 @@ class HasPaperTrailModelTest < ActiveSupport::TestCase
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# Tests for serialization:
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# Before the serialized attributes fix, the object/object_changes value that was stored was ridiculously long (58723).
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should 'version.object should not have stored the default, ridiculously long (to_yaml) serialization of the TimeZone object' do
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assert @person.versions.last.object. length < 105, "object length was #{@person.versions.last.object .length}"
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assert @person.versions.last.object.length < 105, "object length was #{@person.versions.last.object.length}"
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end
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# Need an additional clause to detect what version of ActiveRecord is being used for this test because AR4 injects the `updated_at` column into the changeset for updates to models
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should 'version.object_changes should not have stored the default, ridiculously long (to_yaml) serialization of the TimeZone object' do
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@ -1010,20 +1015,24 @@ class HasPaperTrailModelTest < ActiveSupport::TestCase
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should 'version.object attribute should have stored the value returned by the attribute serializer' do
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as_stored_in_version = HashWithIndifferentAccess[YAML::load(@person.versions.last.object)]
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assert_equal 'Samoa', as_stored_in_version[:time_zone]
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assert_equal @attribute_value_before_change.serialized_value, as_stored_in_version[:time_zone]
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serialized_value = Person::TimeZoneSerializer.dump(@attribute_value_before_change)
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assert_equal serialized_value, as_stored_in_version[:time_zone]
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end
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should 'version.object_changes attribute should have stored the value returned by the attribute serializer' do
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as_stored_in_version = HashWithIndifferentAccess[YAML::load(@person.versions.last.object_changes)]
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assert_equal ['Samoa', 'Pacific Time (US & Canada)'], as_stored_in_version[:time_zone]
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assert_equal @person.instance_variable_get(:@attributes)['time_zone'].serialized_value, as_stored_in_version[:time_zone].last
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serialized_value = Person::TimeZoneSerializer.dump(@person.time_zone)
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assert_equal serialized_value, as_stored_in_version[:time_zone].last
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end
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# Tests for unserialization:
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should 'version.reify should convert the attribute value back to its original, unserialized value' do
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assert_equal @attribute_value_before_change.unserialized_value, @person.versions.last.reify.time_zone
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unserialized_value = Person::TimeZoneSerializer.load(@attribute_value_before_change)
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assert_equal unserialized_value, @person.versions.last.reify.time_zone
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end
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should 'version.changeset should convert the attribute value back to its original, unserialized value' do
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assert_equal @person.instance_variable_get(:@attributes)['time_zone'].unserialized_value, @person.versions.last.changeset[:time_zone].last
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unserialized_value = Person::TimeZoneSerializer.load(@person.time_zone)
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assert_equal unserialized_value, @person.versions.last.changeset[:time_zone].last
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end
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should "record.changes (before save) returns the original, unserialized values" do
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assert_equal [ActiveSupport::TimeZone, ActiveSupport::TimeZone], @changes_before_save[:time_zone].map(&:class)
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