/test/unit/integrations/data_mapper_test.rb
Ruby | 2194 lines | 1724 code | 461 blank | 9 comment | 35 complexity | 16ff50082d59631a11ac47d419b1f1a8 MD5 | raw file
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- require File.expand_path(File.dirname(__FILE__) + '/../../test_helper')
- require 'dm-core'
- require 'dm-core/version' unless defined?(DataMapper::VERSION)
- require 'dm-observer'
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.3')
- require 'dm-migrations'
- end
- # Establish database connection
- DataMapper.setup(:default, 'sqlite3::memory:')
- DataObjects::Sqlite3.logger = DataObjects::Logger.new("#{File.dirname(__FILE__)}/../../data_mapper.log", :debug)
- module DataMapperTest
- class BaseTestCase < Test::Unit::TestCase
- def default_test
- end
-
- def teardown
- super
- @resources.uniq.each {|resource| DataMapperTest.send(:remove_const, resource)} if instance_variable_defined?('@resources')
- end
-
- protected
- # Creates a new DataMapper resource (and the associated table)
- def new_resource(create_table = :foo, &block)
- base_table_name = create_table || :foo
- name = base_table_name.to_s.capitalize
- table_name = "#{base_table_name}_#{rand(1000000)}"
-
- resource = Class.new
- DataMapperTest.send(:remove_const, name) if DataMapperTest.const_defined?(name)
- DataMapperTest.const_set(name, resource)
- (@resources ||= []) << name
-
- resource.class_eval do
- include DataMapper::Resource
-
- storage_names[:default] = table_name.to_s
-
- property :id, resource.class_eval('Serial')
- property :state, String
- end
- resource.class_eval(&block) if block_given?
- resource.auto_migrate! if create_table
- resource
- end
-
- # Creates a new DataMapper observer
- def new_observer(resource, &block)
- observer = Class.new do
- include DataMapper::Observer
- end
- observer.observe(resource)
- observer.class_eval(&block) if block_given?
- observer
- end
- end
-
- class IntegrationTest < BaseTestCase
- def test_should_have_an_integration_name
- assert_equal :data_mapper, StateMachine::Integrations::DataMapper.integration_name
- end
-
- def test_should_be_available
- assert StateMachine::Integrations::DataMapper.available?
- end
-
- def test_should_match_if_class_includes_data_mapper
- assert StateMachine::Integrations::DataMapper.matches?(new_resource)
- end
-
- def test_should_not_match_if_class_does_not_include_data_mapper
- assert !StateMachine::Integrations::DataMapper.matches?(Class.new)
- end
-
- def test_should_have_defaults
- assert_equal({:action => :save, :use_transactions => false}, StateMachine::Integrations::DataMapper.defaults)
- end
-
- def test_should_not_have_a_locale_path
- assert_nil StateMachine::Integrations::DataMapper.locale_path
- end
- end
-
- class MachineWithoutDatabaseTest < BaseTestCase
- def setup
- @resource = new_resource(false) do
- # Simulate the database not being available entirely
- def self.repository
- raise DataObjects::SyntaxError
- end
- end
- end
-
- def test_should_allow_machine_creation
- assert_nothing_raised { StateMachine::Machine.new(@resource) }
- end
- end
-
- class MachineUnmigratedTest < BaseTestCase
- def setup
- @resource = new_resource(false)
- end
-
- def test_should_allow_machine_creation
- assert_nothing_raised { StateMachine::Machine.new(@resource) }
- end
- end
-
- class MachineWithoutPropertyTest < BaseTestCase
- def setup
- @resource = new_resource
- StateMachine::Machine.new(@resource, :status)
- end
-
- def test_should_define_field_with_string_type
- property = @resource.properties.detect {|p| p.name == :status}
- assert_not_nil property
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('1.0.0')
- assert_instance_of DataMapper::Property::String, property
- else
- assert_equal String, property.type
- end
- end
- end
-
- class MachineWithPropertyTest < BaseTestCase
- def setup
- @resource = new_resource do
- property :status, Integer
- end
- StateMachine::Machine.new(@resource, :status)
- end
-
- def test_should_not_redefine_field
- property = @resource.properties.detect {|p| p.name == :status}
- assert_not_nil property
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('1.0.0')
- assert_instance_of DataMapper::Property::Integer, property
- else
- assert_equal Integer, property.type
- end
- end
- end
-
- class MachineByDefaultTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- end
-
- def test_should_use_save_as_action
- assert_equal :save, @machine.action
- end
-
- def test_should_not_use_transactions
- assert_equal false, @machine.use_transactions
- end
-
- def test_should_not_have_any_before_callbacks
- assert_equal 0, @machine.callbacks[:before].size
- end
-
- def test_should_not_have_any_after_callbacks
- assert_equal 0, @machine.callbacks[:after].size
- end
- end
-
- class MachineWithStatesTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :first_gear
- end
-
- def test_should_humanize_name
- assert_equal 'first gear', @machine.state(:first_gear).human_name
- end
- end
-
- class MachineWithStaticInitialStateTest < BaseTestCase
- def setup
- @resource = new_resource(:vehicle) do
- attr_accessor :value
- end
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- end
-
- def test_should_set_initial_state_on_created_object
- record = @resource.new
- assert_equal 'parked', record.state
- end
-
- def test_should_set_initial_state_with_nil_attributes
- @resource.class_eval do
- def attributes=(attributes)
- super(attributes || {})
- end
- end
-
- record = @resource.new(nil)
- assert_equal 'parked', record.state
- end
-
- def test_should_still_set_attributes
- record = @resource.new(:value => 1)
- assert_equal 1, record.value
- end
-
- def test_should_not_allow_initialize_blocks
- block_args = nil
- @resource.new do |*args|
- block_args = args
- end
-
- assert_nil block_args
- end
-
- def test_should_set_initial_state_before_setting_attributes
- @resource.class_eval do
- attr_accessor :state_during_setter
-
- remove_method :value=
- define_method(:value=) do |value|
- self.state_during_setter = state
- end
- end
-
- record = @resource.new(:value => 1)
- assert_equal 'parked', record.state_during_setter
- end
-
- def test_should_not_set_initial_state_after_already_initialized
- record = @resource.new(:value => 1)
- assert_equal 'parked', record.state
-
- record.state = 'idling'
- record.attributes = {}
- assert_equal 'idling', record.state
- end
-
- def test_should_persist_initial_state
- record = @resource.new
- record.save
- record.reload
- assert_equal 'parked', record.state
- end
-
- def test_should_persist_initial_state_on_dup
- record = @resource.create.dup
- record.save
- record.reload
- assert_equal 'parked', record.state
- end
-
- def test_should_use_stored_values_when_loading_from_database
- @machine.state :idling
-
- record = @resource.get(@resource.create(:state => 'idling').id)
- assert_equal 'idling', record.state
- end
-
- def test_should_use_stored_values_when_loading_from_database_with_nil_state
- @machine.state nil
-
- record = @resource.get(@resource.create(:state => nil).id)
- assert_nil record.state
- end
-
- def test_should_use_stored_values_when_loading_for_many_association
- @machine.state :idling
-
- @resource.property :owner_id, Integer
- @resource.auto_migrate!
-
- owner_resource = new_resource(:owner) do
- has n, :vehicles
- end
-
- owner = owner_resource.create
- record = @resource.new(:state => 'idling')
- record.owner_id = owner.id
- record.save
- assert_equal 'idling', owner.vehicles[0].state
- end
-
- def test_should_use_stored_values_when_loading_for_one_association
- @machine.state :idling
-
- @resource.property :owner_id, Integer
- @resource.auto_migrate!
-
- owner_resource = new_resource(:owner) do
- has 1, :vehicle
- end
-
- owner = owner_resource.create
- record = @resource.new(:state => 'idling')
- record.owner_id = owner.id
- record.save
- assert_equal 'idling', owner.vehicle.state
- end
-
- def test_should_use_stored_values_when_loading_for_belongs_to_association
- @machine.state :idling
-
- driver_resource = new_resource(:driver) do
- belongs_to :vehicle
- end
-
- record = @resource.create(:state => 'idling')
- driver = driver_resource.create(:vehicle_id => record.id)
- assert_equal 'idling', driver.vehicle.state
- end
- end
-
- class MachineWithDynamicInitialStateTest < BaseTestCase
- def setup
- @resource = new_resource do
- attr_accessor :value
- end
- @machine = StateMachine::Machine.new(@resource, :initial => lambda {|object| :parked})
- @machine.state :parked
- end
-
- def test_should_set_initial_state_on_created_object
- record = @resource.new
- assert_equal 'parked', record.state
- end
-
- def test_should_still_set_attributes
- record = @resource.new(:value => 1)
- assert_equal 1, record.value
- end
-
- def test_should_not_allow_initialize_blocks
- block_args = nil
- @resource.new do |*args|
- block_args = args
- end
-
- assert_nil block_args
- end
-
- def test_should_set_initial_state_after_setting_attributes
- @resource.class_eval do
- attr_accessor :state_during_setter
-
- remove_method :value=
- define_method(:value=) do |value|
- self.state_during_setter = state || 'nil'
- end
- end
-
- record = @resource.new(:value => 1)
- assert_equal 'nil', record.state_during_setter
- end
-
- def test_should_not_set_initial_state_after_already_initialized
- record = @resource.new(:value => 1)
- assert_equal 'parked', record.state
-
- record.state = 'idling'
- record.attributes = {}
- assert_equal 'idling', record.state
- end
-
- def test_should_persist_initial_state
- record = @resource.new
- record.save
- record.reload
- assert_equal 'parked', record.state
- end
-
- def test_should_persist_initial_state_on_dup
- record = @resource.create.dup
- record.save
- record.reload
- assert_equal 'parked', record.state
- end
-
- def test_should_use_stored_values_when_loading_from_database
- @machine.state :idling
-
- record = @resource.get(@resource.create(:state => 'idling').id)
- assert_equal 'idling', record.state
- end
-
- def test_should_use_stored_values_when_loading_from_database_with_nil_state
- @machine.state nil
-
- record = @resource.get(@resource.create(:state => nil).id)
- assert_nil record.state
- end
- end
-
- class MachineWithEventsTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.event :shift_up
- end
-
- def test_should_humanize_name
- assert_equal 'shift up', @machine.event(:shift_up).human_name
- end
- end
-
- class MachineWithSameColumnDefaultTest < BaseTestCase
- def setup
- @original_stderr, $stderr = $stderr, StringIO.new
-
- @resource = new_resource do
- property :status, String, :default => 'parked'
- end
- @machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
- @record = @resource.new
- end
-
- def test_should_use_machine_default
- assert_equal 'parked', @record.status
- end
-
- def test_should_not_generate_a_warning
- assert_no_match(/have defined a different default/, $stderr.string)
- end
-
- def teardown
- $stderr = @original_stderr
- super
- end
- end
-
- class MachineWithDifferentColumnDefaultTest < BaseTestCase
- def setup
- @original_stderr, $stderr = $stderr, StringIO.new
-
- @resource = new_resource do
- property :status, String, :default => 'idling'
- end
- @machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
- @record = @resource.new
- end
-
- def test_should_use_machine_default
- assert_equal 'parked', @record.status
- end
-
- def test_should_generate_a_warning
- assert_match(/Both DataMapperTest::Foo and its :status machine have defined a different default for "status". Use only one or the other for defining defaults to avoid unexpected behaviors\./, $stderr.string)
- end
-
- def teardown
- $stderr = @original_stderr
- super
- end
- end
-
- class MachineWithDifferentIntegerColumnDefaultTest < BaseTestCase
- def setup
- @original_stderr, $stderr = $stderr, StringIO.new
-
- @resource = new_resource do
- property :status, Integer, :default => 0
- end
- @machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
- @machine.state :parked, :value => 1
- @record = @resource.new
- end
-
- def test_should_use_machine_default
- assert_equal 1, @record.status
- end
-
- def test_should_generate_a_warning
- assert_match(/Both DataMapperTest::Foo and its :status machine have defined a different default for "status". Use only one or the other for defining defaults to avoid unexpected behaviors\./, $stderr.string)
- end
-
- def teardown
- $stderr = @original_stderr
- super
- end
- end
-
- class MachineWithConflictingPredicateTest < BaseTestCase
- def setup
- @resource = new_resource do
- def state?(*args)
- true
- end
- end
-
- @machine = StateMachine::Machine.new(@resource)
- @record = @resource.new
- end
-
- def test_should_not_define_attribute_predicate
- assert @record.state?
- end
- end
-
- class MachineWithConflictingStateNameTest < BaseTestCase
- def setup
- require 'stringio'
- @original_stderr, $stderr = $stderr, StringIO.new
-
- @resource = new_resource
- end
-
- def test_should_output_warning_with_same_machine_name
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :state
-
- assert_match(/^Instance method "state\?" is already defined in DataMapperTest::Foo :state instance helpers, use generic helper instead.*\n$/, $stderr.string)
- end
-
- def test_should_not_output_warning_with_same_machine_attribute
- @machine = StateMachine::Machine.new(@resource, :public_state, :attribute => :state)
- @machine.state :state
-
- assert_no_match(/^Instance method "state\?" is already defined.*\n$/, $stderr.string)
- end
-
- def teardown
- $stderr = @original_stderr
- super
- end
- end
-
- class MachineWithColumnStateAttributeTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @machine.other_states(:idling)
-
- @record = @resource.new
- end
-
- def test_should_not_override_the_column_reader
- @record.attribute_set(:state, 'parked')
- assert_equal 'parked', @record.state
- end
-
- def test_should_not_override_the_column_writer
- @record.state = 'parked'
- assert_equal 'parked', @record.attribute_get(:state)
- end
-
- def test_should_have_an_attribute_predicate
- assert @record.respond_to?(:state?)
- end
-
- def test_should_raise_exception_for_predicate_without_parameters
- assert_raise(ArgumentError) { @record.state? }
- end
-
- def test_should_return_false_for_predicate_if_does_not_match_current_value
- assert !@record.state?(:idling)
- end
-
- def test_should_return_true_for_predicate_if_matches_current_value
- assert @record.state?(:parked)
- end
-
- def test_should_raise_exception_for_predicate_if_invalid_state_specified
- assert_raise(IndexError) { @record.state?(:invalid) }
- end
- end
-
- class MachineWithNonColumnStateAttributeUndefinedTest < BaseTestCase
- def setup
- @resource = new_resource do
- def initialize
- # Skip attribute initialization
- @initialized_state_machines = true
- super
- end
- end
-
- @machine = StateMachine::Machine.new(@resource, :status, :initial => 'parked')
- @record = @resource.new
- end
-
- def test_should_define_a_new_property_for_the_attribute
- assert_not_nil @resource.properties[:status]
- end
-
- def test_should_define_a_reader_attribute_for_the_attribute
- assert @record.respond_to?(:status)
- end
-
- def test_should_define_a_writer_attribute_for_the_attribute
- assert @record.respond_to?(:status=)
- end
-
- def test_should_define_an_attribute_predicate
- assert @record.respond_to?(:status?)
- end
- end
-
- class MachineWithNonColumnStateAttributeDefinedTest < BaseTestCase
- def setup
- @resource = new_resource do
- attr_accessor :status
- end
-
- @machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
- @machine.other_states(:idling)
- @record = @resource.new
- end
-
- def test_should_return_false_for_predicate_if_does_not_match_current_value
- assert !@record.status?(:idling)
- end
-
- def test_should_return_true_for_predicate_if_matches_current_value
- assert @record.status?(:parked)
- end
-
- def test_should_raise_exception_for_predicate_if_invalid_state_specified
- assert_raise(IndexError) { @record.status?(:invalid) }
- end
-
- def test_should_set_initial_state_on_created_object
- assert_equal 'parked', @record.status
- end
- end
-
- class MachineWithInitializedStateTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @machine.state :idling
- end
-
- def test_should_allow_nil_initial_state_when_static
- @machine.state nil
-
- record = @resource.new(:state => nil)
- assert_nil record.state
- end
-
- def test_should_allow_nil_initial_state_when_dynamic
- @machine.state nil
-
- @machine.initial_state = lambda {:parked}
- record = @resource.new(:state => nil)
- assert_nil record.state
- end
-
- def test_should_allow_different_initial_state_when_static
- record = @resource.new(:state => 'idling')
- assert_equal 'idling', record.state
- end
-
- def test_should_allow_different_initial_state_when_dynamic
- @machine.initial_state = lambda {:parked}
- record = @resource.new(:state => 'idling')
- assert_equal 'idling', record.state
- end
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.9.8')
- def test_should_raise_exception_if_protected
- resource = new_resource do
- protected :state=
- end
-
- machine = StateMachine::Machine.new(resource, :initial => :parked)
- machine.state :idling
-
- assert_raise(ArgumentError) { resource.new(:state => 'idling') }
- end
- end
- end
-
- class MachineMultipleTest < BaseTestCase
- def setup
- @resource = new_resource do
- property :status, String
- end
- @state_machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @status_machine = StateMachine::Machine.new(@resource, :status, :initial => :idling)
- end
-
- def test_should_should_initialize_each_state
- record = @resource.new
- assert_equal 'parked', record.state
- assert_equal 'idling', record.status
- end
- end
-
- class MachineWithLoopbackTest < BaseTestCase
- def setup
- @resource = new_resource do
- property :updated_at, DateTime
-
- # Simulate dm-timestamps
- before :update do
- return unless dirty?
- self.updated_at = DateTime.now
- end
- end
-
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @machine.event :park
-
- @record = @resource.create(:updated_at => Time.now - 1)
- @transition = StateMachine::Transition.new(@record, @machine, :park, :parked, :parked)
-
- @timestamp = @record.updated_at
- @transition.perform
- end
-
- def test_should_not_update_record
- assert_equal @timestamp, @record.updated_at
- end
- end
-
- class MachineWithDirtyAttributesTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @machine.event :ignite
- @machine.state :idling
-
- @record = @resource.create
-
- @transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
- @transition.perform(false)
- end
-
- def test_should_include_state_in_changed_attributes
- assert_equal({@resource.properties[:state] => 'idling'}, @record.dirty_attributes)
- end
-
- def test_should_track_attribute_change
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.0')
- assert_equal({@resource.properties[:state] => 'parked'}, @record.original_attributes)
- else
- assert_equal({:state => 'parked'}, @record.original_values)
- end
- end
-
- def test_should_not_reset_changes_on_multiple_transitions
- transition = StateMachine::Transition.new(@record, @machine, :ignite, :idling, :idling)
- transition.perform(false)
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.0')
- assert_equal({@resource.properties[:state] => 'parked'}, @record.original_attributes)
- else
- assert_equal({:state => 'parked'}, @record.original_values)
- end
- end
-
- def test_should_not_have_changes_when_loaded_from_database
- record = @resource.get(@record.id)
- assert record.dirty_attributes.empty?
- end
- end
-
- class MachineWithDirtyAttributesDuringLoopbackTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @machine.event :park
-
- @record = @resource.create
-
- @transition = StateMachine::Transition.new(@record, @machine, :park, :parked, :parked)
- @transition.perform(false)
- end
-
- def test_should_not_include_state_in_changed_attributes
- assert_equal({}, @record.dirty_attributes)
- end
- end
-
- class MachineWithDirtyAttributesAndCustomAttributeTest < BaseTestCase
- def setup
- @resource = new_resource do
- property :status, String
- end
- @machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
- @machine.event :ignite
- @machine.state :idling
-
- @record = @resource.create
-
- @transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
- @transition.perform(false)
- end
-
- def test_should_include_state_in_changed_attributes
- assert_equal({@resource.properties[:status] => 'idling'}, @record.dirty_attributes)
- end
-
- def test_should_track_attribute_change
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.0')
- assert_equal({@resource.properties[:status] => 'parked'}, @record.original_attributes)
- else
- assert_equal({:status => 'parked'}, @record.original_values)
- end
- end
-
- def test_should_not_reset_changes_on_multiple_transitions
- transition = StateMachine::Transition.new(@record, @machine, :ignite, :idling, :idling)
- transition.perform(false)
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.0')
- assert_equal({@resource.properties[:status] => 'parked'}, @record.original_attributes)
- else
- assert_equal({:status => 'parked'}, @record.original_values)
- end
- end
- end
-
- class MachineWithDirtyAttributeAndCustomAttributesDuringLoopbackTest < BaseTestCase
- def setup
- @resource = new_resource do
- property :status, String
- end
- @machine = StateMachine::Machine.new(@resource, :status, :initial => :parked)
- @machine.event :park
-
- @record = @resource.create
-
- @transition = StateMachine::Transition.new(@record, @machine, :park, :parked, :parked)
- @transition.perform(false)
- end
-
- def test_should_not_include_state_in_changed_attributes
- assert_equal({}, @record.dirty_attributes)
- end
- end
-
- class MachineWithDirtyAttributeAndStateEventsTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :initial => :parked)
- @machine.event :ignite
-
- @record = @resource.create
- @record.state_event = 'ignite'
- end
-
- def test_should_not_include_state_in_changed_attributes
- assert_equal({}, @record.dirty_attributes)
- end
-
- def test_should_not_track_attribute_change
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.0')
- assert_equal({}, @record.original_attributes)
- else
- assert_equal({}, @record.original_values)
- end
- end
- end
-
- class MachineWithoutTransactionsTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :use_transactions => false)
- end
-
- def test_should_not_rollback_transaction_if_false
- @machine.within_transaction(@resource.new) do
- @resource.create
- false
- end
-
- assert_equal 1, @resource.all.size
- end
-
- def test_should_not_rollback_transaction_if_true
- @machine.within_transaction(@resource.new) do
- @resource.create
- true
- end
-
- assert_equal 1, @resource.all.size
- end
- end
-
- begin
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.3')
- require 'dm-transactions'
- end
-
- class MachineWithTransactionsTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :use_transactions => true)
- end
-
- def test_should_rollback_transaction_if_false
- @machine.within_transaction(@resource.new) do
- @resource.create
- false
- end
-
- assert_equal 0, @resource.all.size
- end
-
- def test_should_not_rollback_transaction_if_true
- @machine.within_transaction(@resource.new) do
- @resource.create
- true
- end
-
- assert_equal 1, @resource.all.size
- end
- end
- rescue LoadError
- $stderr.puts "Skipping DataMapper Transaction tests."
- end
-
- class MachineWithCallbacksTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :parked, :idling
- @machine.event :ignite
-
- @record = @resource.new(:state => 'parked')
- @transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
- end
-
- def test_should_run_before_callbacks
- called = false
- @machine.before_transition {called = true}
-
- @transition.perform
- assert called
- end
-
- def test_should_pass_transition_to_before_callbacks_with_one_argument
- transition = nil
- @machine.before_transition {|arg| transition = arg}
-
- @transition.perform
- assert_equal @transition, transition
- end
-
- def test_should_pass_transition_to_before_callbacks_with_multiple_arguments
- callback_args = nil
- @machine.before_transition {|*args| callback_args = args}
-
- @transition.perform
- assert_equal [@transition], callback_args
- end
-
- def test_should_run_before_callbacks_within_the_context_of_the_record
- context = nil
- @machine.before_transition {context = self}
-
- @transition.perform
- assert_equal @record, context
- end
-
- def test_should_run_after_callbacks
- called = false
- @machine.after_transition {called = true}
-
- @transition.perform
- assert called
- end
-
- def test_should_pass_transition_to_after_callbacks_with_multiple_arguments
- callback_args = nil
- @machine.after_transition {|*args| callback_args = args}
-
- @transition.perform
- assert_equal [@transition], callback_args
- end
-
- def test_should_run_after_callbacks_with_the_context_of_the_record
- context = nil
- @machine.after_transition {context = self}
-
- @transition.perform
- assert_equal @record, context
- end
-
- def test_should_run_around_callbacks
- before_called = false
- after_called = false
- ensure_called = 0
- @machine.around_transition do |block|
- before_called = true
- begin
- block.call
- ensure
- ensure_called += 1
- end
- after_called = true
- end
-
- @transition.perform
- assert before_called
- assert after_called
- assert_equal ensure_called, 1
- end
-
- def test_should_run_around_callbacks_with_the_context_of_the_record
- context = nil
- @machine.around_transition {|block| context = self; block.call}
-
- @transition.perform
- assert_equal @record, context
- end
-
- def test_should_allow_symbolic_callbacks
- callback_args = nil
-
- klass = class << @record; self; end
- klass.send(:define_method, :after_ignite) do |*args|
- callback_args = args
- end
-
- @machine.before_transition(:after_ignite)
-
- @transition.perform
- assert_equal [@transition], callback_args
- end
-
- def test_should_allow_string_callbacks
- class << @record
- attr_reader :callback_result
- end
-
- @machine.before_transition('@callback_result = [1, 2, 3]')
- @transition.perform
-
- assert_equal [1, 2, 3], @record.callback_result
- end
-
- def test_should_run_in_expected_order
- # Avoid Ruby 2.0.0 stack too deep issues
- @resource.class_eval do
- def valid?(*)
- super
- end
- end
-
- expected = [
- :before_transition, :before_validation, :after_validation,
- :before_save, :before_create, :after_create, :after_save,
- :after_transition
- ]
-
- callbacks = []
- @resource.before(:valid?) { callbacks << :before_validation }
- @resource.after(:valid?) { callbacks << :after_validation }
- @resource.before(:save) { callbacks << :before_save }
- @resource.before(:create) { callbacks << :before_create }
- @resource.after(:create) { callbacks << :after_create }
- @resource.after(:save) { callbacks << :after_save }
-
- @machine.before_transition { callbacks << :before_transition }
- @machine.after_transition { callbacks << :after_transition }
-
- @transition.perform
-
- assert_equal expected, callbacks
- end
- end
-
- class MachineWithFailedBeforeCallbacksTest < BaseTestCase
- def setup
- callbacks = []
-
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :parked, :idling
- @machine.event :ignite
- @machine.before_transition {callbacks << :before_1; throw :halt}
- @machine.before_transition {callbacks << :before_2}
- @machine.after_transition {callbacks << :after}
- @machine.around_transition {|block| callbacks << :around_before; block.call; callbacks << :around_after}
-
- @record = @resource.new(:state => 'parked')
- @transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
- @result = @transition.perform
-
- @callbacks = callbacks
- end
-
- def test_should_not_be_successful
- assert !@result
- end
-
- def test_should_not_change_current_state
- assert_equal 'parked', @record.state
- end
-
- def test_should_not_run_action
- assert @record.respond_to?(:new?) ? @record.new? : @record.new_record?
- end
-
- def test_should_not_run_further_callbacks
- assert_equal [:before_1], @callbacks
- end
- end
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('1.0.0')
- class MachineNestedActionTest < BaseTestCase
- def setup
- @callbacks = []
-
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.event :ignite do
- transition :parked => :idling
- end
-
- @record = @resource.new(:state => 'parked')
- end
-
- def test_should_allow_transition_prior_to_creation_if_skipping_action
- record = @record
- @resource.before(:create) { record.ignite }
- result = @record.save
-
- assert_equal true, result
- assert_equal "idling", @record.state
- @record.reload
- assert_equal "idling", @record.state
- end
-
- def test_should_not_allow_transition_after_creation
- record = @record
- @resource.after(:create) { record.ignite(false) }
-
- result = @record.save
-
- assert_equal false, result
- end
- end
- end
-
- class MachineWithFailedActionTest < BaseTestCase
- def setup
- @resource = new_resource do
- before(:create) { throw :halt }
- end
-
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :parked, :idling
- @machine.event :ignite
-
- callbacks = []
- @machine.before_transition {callbacks << :before}
- @machine.after_transition {callbacks << :after}
- @machine.after_failure {callbacks << :after_failure}
- @machine.around_transition {|block| callbacks << :around_before; block.call; callbacks << :around_after}
-
- @record = @resource.new(:state => 'parked')
- @transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
- @result = @transition.perform
-
- @callbacks = callbacks
- end
-
- def test_should_not_be_successful
- assert !@result
- end
-
- def test_should_not_change_current_state
- assert_equal 'parked', @record.state
- end
-
- def test_should_not_save_record
- assert @record.respond_to?(:new?) ? @record.new? : @record.new_record?
- end
-
- def test_should_run_before_callbacks_and_after_callbacks_with_failures
- assert_equal [:before, :around_before, :after_failure], @callbacks
- end
- end
-
- class MachineWithFailedAfterCallbacksTest < BaseTestCase
- def setup
- callbacks = []
-
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :parked, :idling
- @machine.event :ignite
- @machine.after_transition {callbacks << :after_1; throw :halt}
- @machine.after_transition {callbacks << :after_2}
- @machine.around_transition {|block| callbacks << :around_before; block.call; callbacks << :around_after}
-
- @record = @resource.new(:state => 'parked')
- @transition = StateMachine::Transition.new(@record, @machine, :ignite, :parked, :idling)
- @result = @transition.perform
-
- @callbacks = callbacks
- end
-
- def test_should_be_successful
- assert @result
- end
-
- def test_should_change_current_state
- assert_equal 'idling', @record.state
- end
-
- def test_should_save_record
- assert !(@record.respond_to?(:new?) ? @record.new? : @record.new_record?)
- end
-
- def test_should_not_run_further_after_callbacks
- assert_equal [:around_before, :around_after, :after_1], @callbacks
- end
- end
-
- begin
- require 'dm-validations'
-
- class MachineWithValidationsTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :parked
-
- @record = @resource.new
- end
-
- def test_should_invalidate_using_errors
- @record.state = 'parked'
-
- @machine.invalidate(@record, :state, :invalid_transition, [[:event, 'park']])
- assert_equal ['cannot transition via "park"'], @record.errors.on(:state)
- end
-
- def test_should_auto_prefix_custom_attributes_on_invalidation
- @machine.invalidate(@record, :event, :invalid)
-
- assert_equal ['is invalid'], @record.errors.on(:state_event)
- end
-
- def test_should_clear_errors_on_reset
- @record.state = 'parked'
- @record.errors.add(:state, 'is invalid')
-
- @machine.reset(@record)
- assert_nil @record.errors.on(:id)
- end
-
- def test_should_be_valid_if_state_is_known
- @record.state = 'parked'
-
- assert @record.valid?
- end
-
- def test_should_not_be_valid_if_state_is_unknown
- @record.state = 'invalid'
-
- assert !@record.valid?
- assert_equal ['is invalid'], @record.errors.on(:state)
- end
- end
-
- class MachineWithValidationsAndCustomAttributeTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource, :status, :attribute => :state)
- @machine.state :parked
-
- @record = @resource.new
- end
-
- def test_should_add_validation_errors_to_custom_attribute
- @record.state = 'invalid'
-
- assert !@record.valid?
- assert_equal ['is invalid'], @record.errors.on(:state)
-
- @record.state = 'parked'
- assert @record.valid?
- end
- end
-
- class MachineErrorsTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @record = @resource.new
- end
-
- def test_should_be_able_to_describe_current_errors
- @record.errors.add(:id, 'cannot be blank')
- @record.errors.add(:state, 'is invalid')
- assert_equal ['id cannot be blank', 'state is invalid'], @machine.errors_for(@record).split(', ').sort
- end
-
- def test_should_describe_as_halted_with_no_errors
- assert_equal 'Transition halted', @machine.errors_for(@record)
- end
- end
-
- class MachineWithStateDrivenValidationsTest < BaseTestCase
- def setup
- @resource = resource = new_resource do
- attr_accessor :seatbelt
- end
-
- @machine = StateMachine::Machine.new(@resource)
- @machine.state :first_gear, :second_gear do
- if resource.respond_to?(:validates_presence_of)
- validates_presence_of :seatbelt
- else
- validates_present :seatbelt
- end
- end
- @machine.other_states :parked
- end
-
- def test_should_be_valid_if_validation_fails_outside_state_scope
- record = @resource.new(:state => 'parked', :seatbelt => nil)
- assert record.valid?
- end
-
- def test_should_be_invalid_if_validation_fails_within_state_scope
- record = @resource.new(:state => 'first_gear', :seatbelt => nil)
- assert !record.valid?
- end
-
- def test_should_be_valid_if_validation_succeeds_within_state_scope
- record = @resource.new(:state => 'second_gear', :seatbelt => true)
- assert record.valid?
- end
- end
-
- # See README caveats
- if Gem::Version.new(DataMapper::VERSION) > Gem::Version.new('0.9.6')
- class MachineWithEventAttributesOnValidationTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.event :ignite do
- transition :parked => :idling
- end
-
- @record = @resource.new
- @record.state = 'parked'
- @record.state_event = 'ignite'
- end
-
- def test_should_fail_if_event_is_invalid
- @record.state_event = 'invalid'
- assert !@record.valid?
- assert_equal ['is invalid'], @record.errors.full_messages
- end
-
- def test_should_fail_if_event_has_no_transition
- @record.state = 'idling'
- assert !@record.valid?
- assert_equal ['cannot transition when idling'], @record.errors.full_messages
- end
-
- def test_should_be_successful_if_event_has_transition
- assert @record.valid?
- end
-
- def test_should_run_before_callbacks
- ran_callback = false
- @machine.before_transition { ran_callback = true }
-
- @record.valid?
- assert ran_callback
- end
-
- def test_should_run_around_callbacks_before_yield
- ran_callback = false
- @machine.around_transition {|block| ran_callback = true; block.call }
-
- begin
- @record.valid?
- rescue ArgumentError
- raise if StateMachine::Transition.pause_supported?
- end
- assert ran_callback
- end
-
- def test_should_persist_new_state
- @record.valid?
- assert_equal 'idling', @record.state
- end
-
- def test_should_not_run_after_callbacks
- ran_callback = false
- @machine.after_transition { ran_callback = true }
-
- @record.valid?
- assert !ran_callback
- end
-
- def test_should_not_run_after_callbacks_with_failures_disabled_if_validation_fails
- @resource.class_eval do
- attr_accessor :seatbelt
- if respond_to?(:validates_presence_of)
- validates_presence_of :seatbelt
- else
- validates_present :seatbelt
- end
- end
-
- ran_callback = false
- @machine.after_transition { ran_callback = true }
-
- @record.valid?
- assert !ran_callback
- end
-
- def test_should_run_failure_callbacks_if_validation_fails
- @resource.class_eval do
- attr_accessor :seatbelt
- if respond_to?(:validates_presence_of)
- validates_presence_of :seatbelt
- else
- validates_present :seatbelt
- end
- end
-
- ran_callback = false
- @machine.after_failure { ran_callback = true }
-
- @record.valid?
- assert ran_callback
- end
-
- def test_should_not_run_around_callbacks_after_yield
- ran_callback = [false]
- @machine.around_transition {|block| block.call; ran_callback[0] = true }
-
- begin
- @record.valid?
- rescue ArgumentError
- raise if StateMachine::Transition.pause_supported?
- end
- assert !ran_callback[0]
- end
-
- def test_should_not_run_around_callbacks_after_yield_with_failures_disabled_if_validation_fails
- @resource.class_eval do
- attr_accessor :seatbelt
- if respond_to?(:validates_presence_of)
- validates_presence_of :seatbelt
- else
- validates_present :seatbelt
- end
- end
-
- ran_callback = [false]
- @machine.around_transition {|block| block.call; ran_callback[0] = true }
-
- begin
- @record.valid?
- rescue ArgumentError
- raise if StateMachine::Transition.pause_supported?
- end
- assert !ran_callback[0]
- end
-
- def test_should_not_run_before_transitions_within_transaction
- @machine.before_transition { self.class.create; throw :halt }
-
- assert !@record.valid?
- assert_equal 1, @resource.all.size
- end
- end
-
- class MachineWithEventAttributesOnSaveTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.event :ignite do
- transition :parked => :idling
- end
-
- @record = @resource.new
- @record.state = 'parked'
- @record.state_event = 'ignite'
- end
-
- def test_should_fail_if_event_is_invalid
- @record.state_event = 'invalid'
- assert !@record.save
- end
-
- def test_should_fail_if_event_has_no_transition
- @record.state = 'idling'
- assert !@record.save
- end
-
- def test_should_be_successful_if_event_has_transition
- assert_equal true, @record.save
- end
-
- def test_should_run_before_callbacks
- ran_callback = false
- @machine.before_transition { ran_callback = true }
-
- @record.save
- assert ran_callback
- end
-
- def test_should_run_before_callbacks_once
- before_count = 0
- @machine.before_transition { before_count += 1 }
-
- @record.save
- assert_equal 1, before_count
- end
-
- def test_should_run_around_callbacks_before_yield
- ran_callback = false
- @machine.around_transition {|block| ran_callback = true; block.call }
-
- @record.save
- assert ran_callback
- end
-
- def test_should_run_around_callbacks_before_yield_once
- around_before_count = 0
- @machine.around_transition {|block| around_before_count += 1; block.call }
-
- @record.save
- assert_equal 1, around_before_count
- end
-
- def test_should_persist_new_state
- @record.save
- assert_equal 'idling', @record.state
- end
-
- def test_should_run_after_callbacks
- ran_callback = false
- @machine.after_transition { ran_callback = true }
-
- @record.save
- assert ran_callback
- end
-
- def test_should_not_run_after_callbacks_with_failures_disabled_if_fails
- @resource.before(:create) { throw :halt }
-
- ran_callback = false
- @machine.after_transition { ran_callback = true }
-
- @record.save
- assert !ran_callback
- end
-
- def test_should_run_failure_callbacks_if_fails
- @resource.before(:create) { throw :halt }
-
- ran_callback = false
- @machine.after_failure { ran_callback = true }
-
- @record.save
- assert ran_callback
- end
-
- def test_should_not_run_around_callbacks_with_failures_disabled_if_fails
- @resource.before(:create) { throw :halt }
-
- ran_callback = [false]
- @machine.around_transition {|block| block.call; ran_callback[0] = true }
-
- @record.save
- assert !ran_callback[0]
- end
-
- def test_should_run_around_callbacks_after_yield
- ran_callback = [false]
- @machine.around_transition {|block| block.call; ran_callback[0] = true }
-
- @record.save
- assert ran_callback[0]
- end
-
- def test_should_not_run_before_transitions_within_transaction
- @machine.before_transition { self.class.create; throw :halt }
-
- assert_equal false, @record.save
- assert_equal 1, @resource.all.size
- end
-
- def test_should_not_run_after_transitions_within_transaction
- @machine.before_transition { self.class.create; throw :halt }
-
- assert_equal false, @record.save
- assert_equal 1, @resource.all.size
- end
-
- def test_should_not_run_around_transition_within_transaction
- @machine.around_transition { self.class.create; throw :halt }
-
- assert_equal false, @record.save
- assert_equal 1, @resource.all.size
- end
-
- def test_should_allow_additional_transitions_to_new_state_in_after_transitions
- @machine.event :park do
- transition :idling => :parked
- end
-
- @machine.after_transition(:on => :ignite) { park }
-
- @record.save
- assert_equal 'parked', @record.state
-
- @record.reload
- assert_equal 'parked', @record.state
- end
-
- def test_should_allow_additional_transitions_to_previous_state_in_after_transitions
- @machine.event :shift_up do
- transition :idling => :first_gear
- end
-
- @machine.after_transition(:on => :ignite) { shift_up }
-
- @record.save
- assert_equal 'first_gear', @record.state
-
- @record.reload
- assert_equal 'first_gear', @record.state
- end
- end
- end
-
- if Gem::Version.new(DataMapper::VERSION) >= Gem::Version.new('0.10.0')
- class MachineWithEventAttributesOnSaveBangTest < BaseTestCase
- def setup
- @resource = new_resource
- @machine = StateMachine::Machine.new(@resource)
- @machine.event :ignite do
- transition :parked => :idling
- end
-
- @record = @resource.new
- @record.state = 'parked'
- @record.state_event = 'ignite'
- end
-
- def test_should_fail_if_event_is_invalid
- @r…
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