/vendor/plugins/state_machine/test/unit/node_collection_test.rb
Ruby | 207 lines | 165 code | 42 blank | 0 comment | 0 complexity | f56d4eec5b9536457084067e3cde7ba7 MD5 | raw file
Possible License(s): JSON, MIT
- require File.expand_path(File.dirname(__FILE__) + '/../test_helper')
- class NodeCollectionByDefaultTest < Test::Unit::TestCase
- def setup
- @machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(@machine)
- end
-
- def test_should_not_have_any_nodes
- assert_equal 0, @collection.length
- end
-
- def test_should_have_a_machine
- assert_equal @machine, @collection.machine
- end
-
- def test_should_index_by_name
- @collection << object = Struct.new(:name).new(:parked)
- assert_equal object, @collection[:parked]
- end
- end
- class NodeCollectionTest < Test::Unit::TestCase
- def setup
- @machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(@machine)
- end
-
- def test_should_raise_exception_if_invalid_option_specified
- exception = assert_raise(ArgumentError) { StateMachine::NodeCollection.new(@machine, :invalid => true) }
- assert_equal 'Invalid key(s): invalid', exception.message
- end
-
- def test_should_raise_exception_on_lookup_if_invalid_index_specified
- exception = assert_raise(ArgumentError) { @collection[:something, :invalid] }
- assert_equal 'Invalid index: :invalid', exception.message
- end
-
- def test_should_raise_exception_on_fetch_if_invalid_index_specified
- exception = assert_raise(ArgumentError) { @collection.fetch(:something, :invalid) }
- assert_equal 'Invalid index: :invalid', exception.message
- end
- end
- class NodeCollectionAfterBeingCopiedTest < Test::Unit::TestCase
- def setup
- machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(machine)
- @collection << @parked = Struct.new(:name).new(:parked)
-
- @copied_collection = @collection.dup
- @copied_collection << @idling = Struct.new(:name).new(:idling)
- end
-
- def test_should_not_modify_the_original_list
- assert_equal 1, @collection.length
- assert_equal 2, @copied_collection.length
- end
-
- def test_should_not_modify_the_indices
- assert_nil @collection[:idling]
- assert_equal @idling, @copied_collection[:idling]
- end
-
- def test_should_copy_each_node
- assert_not_same @parked, @copied_collection[:parked]
- end
- end
- class NodeCollectionWithoutIndicesTest < Test::Unit::TestCase
- def setup
- machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(machine, :index => {})
- end
-
- def test_should_allow_adding_node
- @collection << Object.new
- assert_equal 1, @collection.length
- end
-
- def test_should_not_allow_keys_retrieval
- exception = assert_raise(ArgumentError) { @collection.keys }
- assert_equal 'No indices configured', exception.message
- end
-
- def test_should_not_allow_lookup
- @collection << object = Object.new
- exception = assert_raise(ArgumentError) { @collection[0] }
- assert_equal 'No indices configured', exception.message
- end
-
- def test_should_not_allow_fetching
- @collection << object = Object.new
- exception = assert_raise(ArgumentError) { @collection.fetch(0) }
- assert_equal 'No indices configured', exception.message
- end
- end
- class NodeCollectionWithIndicesTest < Test::Unit::TestCase
- def setup
- machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(machine, :index => [:name, :value])
-
- @object = Struct.new(:name, :value).new(:parked, 1)
- @collection << @object
- end
-
- def test_should_use_first_index_by_default_on_key_retrieval
- assert_equal [:parked], @collection.keys
- end
-
- def test_should_allow_customizing_index_for_key_retrieval
- assert_equal [1], @collection.keys(:value)
- end
-
- def test_should_use_first_index_by_default_on_lookup
- assert_equal @object, @collection[:parked]
- assert_nil @collection[1]
- end
-
- def test_should_allow_customizing_index_on_lookup
- assert_equal @object, @collection[1, :value]
- assert_nil @collection[:parked, :value]
- end
-
- def test_should_use_first_index_by_default_on_fetch
- assert_equal @object, @collection.fetch(:parked)
- exception = assert_raise(IndexError) { @collection.fetch(1) }
- assert_equal '1 is an invalid name', exception.message
- end
-
- def test_should_allow_customizing_index_on_fetch
- assert_equal @object, @collection.fetch(1, :value)
- exception = assert_raise(IndexError) { @collection.fetch(:parked, :value) }
- assert_equal ':parked is an invalid value', exception.message
- end
- end
- class NodeCollectionWithNodesTest < Test::Unit::TestCase
- def setup
- machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(machine)
-
- @klass = Struct.new(:name, :machine)
- @parked = @klass.new(:parked, machine)
- @idling = @klass.new(:idling, machine)
-
- @collection << @parked
- @collection << @idling
- end
-
- def test_should_be_able_to_enumerate
- order = []
- @collection.each {|object| order << object}
-
- assert_equal [@parked, @idling], order
- end
-
- def test_should_be_able_to_access_by_index
- assert_equal @parked, @collection.at(0)
- assert_equal @idling, @collection.at(1)
- end
-
- def test_should_deep_copy_machine_changes
- new_machine = StateMachine::Machine.new(Class.new)
- @collection.machine = new_machine
-
- assert_equal new_machine, @collection.machine
- assert_equal new_machine, @parked.machine
- assert_equal new_machine, @idling.machine
- end
- end
- class NodeCollectionAfterUpdateTest < Test::Unit::TestCase
- def setup
- machine = StateMachine::Machine.new(Class.new)
- @collection = StateMachine::NodeCollection.new(machine, :index => [:name, :value])
-
- @klass = Struct.new(:name, :value)
- @parked = @klass.new(:parked, 1)
- @idling = @klass.new(:idling, 2)
-
- @collection << @parked << @idling
-
- @parked.name = :parking
- @parked.value = 0
- @collection.update(@parked)
- end
-
- def test_should_not_change_the_index
- assert_equal @parked, @collection.at(0)
- end
-
- def test_should_not_duplicate_in_the_collection
- assert_equal 2, @collection.length
- end
-
- def test_should_add_each_indexed_key
- assert_equal @parked, @collection[:parking]
- assert_equal @parked, @collection[0, :value]
- end
-
- def test_should_remove_each_old_indexed_key
- assert_nil @collection[:parked]
- assert_nil @collection[1, :value]
- end
- end