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try:
from builtins import object
except ImportError:
pass
from functools import partial
from transitions.extensions.markup import MarkupMachine, HierarchicalMarkupMachine, rep
from .test_core import TYPE_CHECKING
from .utils import Stuff
from unittest import TestCase, skipIf
try:
from unittest.mock import MagicMock
except ImportError:
from mock import MagicMock # type: ignore
try:
import enum
from enum import Enum
except ImportError:
enum = None # type: ignore
# placeholder for Python < 3.4 without enum
class Enum: # type: ignore
pass
if TYPE_CHECKING:
from typing import List, Dict, Type, Union
class SimpleModel(object):
def after_func(self):
pass
class TestRep(TestCase):
def test_rep_string(self):
self.assertEqual(rep("string"), "string")
def test_rep_function(self):
def check():
return True
self.assertTrue(check())
self.assertEqual(rep(check, MarkupMachine.format_references), "check")
def test_rep_partial_no_args_no_kwargs(self):
def check():
return True
pcheck = partial(check)
self.assertTrue(pcheck())
self.assertEqual(rep(pcheck, MarkupMachine.format_references), "check()")
def test_rep_partial_with_args(self):
def check(result):
return result
pcheck = partial(check, True)
self.assertTrue(pcheck())
self.assertEqual(rep(pcheck, MarkupMachine.format_references), "check(True)")
def test_rep_partial_with_kwargs(self):
def check(result=True):
return result
pcheck = partial(check, result=True)
self.assertTrue(pcheck())
self.assertEqual(rep(pcheck, MarkupMachine.format_references), "check(result=True)")
def test_rep_partial_with_args_and_kwargs(self):
def check(result, doublecheck=True):
return result == doublecheck
pcheck = partial(check, True, doublecheck=True)
self.assertTrue(pcheck())
self.assertEqual(rep(pcheck, MarkupMachine.format_references), "check(True, doublecheck=True)")
def test_rep_callable_class(self):
class Check(object):
def __init__(self, result):
self.result = result
def __call__(self):
return self.result
def __repr__(self):
return "%s(%r)" % (type(self).__name__, self.result)
ccheck = Check(True)
self.assertTrue(ccheck())
self.assertEqual(rep(ccheck, MarkupMachine.format_references), "Check(True)")
class TestMarkupMachine(TestCase):
def setUp(self):
self.machine_cls = MarkupMachine
self.states = ['A', 'B', 'C', 'D'] # type: Union[List[Union[str, Dict]], Type[Enum]]
self.transitions = [
{'trigger': 'walk', 'source': 'A', 'dest': 'B'},
{'trigger': 'run', 'source': 'B', 'dest': 'C'},
{'trigger': 'sprint', 'source': 'C', 'dest': 'D'}
] # type: List[Union[str, Dict[str, Union[str, Enum]]]]
self.num_trans = len(self.transitions)
self.num_auto = len(self.states) ** 2
def test_markup_self(self):
m1 = self.machine_cls(states=self.states, transitions=self.transitions, initial='A')
m1.walk()
m2 = self.machine_cls(markup=m1.markup)
self.assertTrue(m1.state == m2.state or m1.state.name == m2.state)
self.assertEqual(len(m1.models), len(m2.models))
self.assertEqual(sorted(m1.states.keys()), sorted(m2.states.keys()))
self.assertEqual(sorted(m1.events.keys()), sorted(m2.events.keys()))
m2.run()
m2.sprint()
self.assertNotEqual(m1.state, m2.state)
def test_markup_model(self):
model1 = SimpleModel()
m1 = self.machine_cls(model1, states=self.states, transitions=self.transitions, initial='A')
model1.walk()
m2 = self.machine_cls(markup=m1.markup)
model2 = m2.models[0]
self.assertIsInstance(model2, SimpleModel)
self.assertEqual(len(m1.models), len(m2.models))
self.assertTrue(model1.state == model2.state or model1.state.name == model2.state)
self.assertEqual(sorted(m1.states.keys()), sorted(m2.states.keys()))
self.assertEqual(sorted(m1.events.keys()), sorted(m2.events.keys()))
def test_conditions_unless(self):
s = Stuff(machine_cls=self.machine_cls)
s.machine.add_transition('go', 'A', 'B', conditions='this_passes',
unless=['this_fails', 'this_fails_by_default'])
t = s.machine.markup['transitions']
self.assertEqual(len(t), 1)
self.assertEqual(t[0]['trigger'], 'go')
self.assertEqual(len(t[0]['conditions']), 1)
self.assertEqual(len(t[0]['unless']), 2)
def test_auto_transitions(self):
m1 = self.machine_cls(states=self.states, transitions=self.transitions, initial='A')
m2 = self.machine_cls(states=self.states, transitions=self.transitions, initial='A',
auto_transitions_markup=True)
self.assertEqual(len(m1.markup['transitions']), self.num_trans)
self.assertEqual(len(m2.markup['transitions']), self.num_trans + self.num_auto)
m1.add_transition('go', 'A', 'B')
m2.add_transition('go', 'A', 'B')
self.num_trans += 1
self.assertEqual(len(m1.markup['transitions']), self.num_trans)
self.assertEqual(len(m2.markup['transitions']), self.num_trans + self.num_auto)
m1.auto_transitions_markup = True
m2.auto_transitions_markup = False
self.assertEqual(len(m1.markup['transitions']), self.num_trans + self.num_auto)
self.assertEqual(len(m2.markup['transitions']), self.num_trans)
class TestMarkupHierarchicalMachine(TestMarkupMachine):
def setUp(self):
self.states = ['A', 'B', {'name': 'C',
'children': ['1', '2', {'name': '3', 'children': ['a', 'b', 'c']}]}]
self.transitions = [
{'trigger': 'walk', 'source': 'A', 'dest': 'C_1'},
{'trigger': 'run', 'source': 'C_1', 'dest': 'C_3_a'},
{'trigger': 'sprint', 'source': 'C', 'dest': 'B'}
]
# MarkupMachine cannot be imported via get_predefined as of now
# We want to be able to run these tests without (py)graphviz
self.machine_cls = HierarchicalMarkupMachine
self.num_trans = len(self.transitions)
self.num_auto = len(self.states) * 9
def test_nested_definitions(self):
states = [{'name': 'A'},
{'name': 'B'},
{'name': 'C',
'children': [
{'name': '1'},
{'name': '2'}],
'transitions': [
{'trigger': 'go',
'source': '1',
'dest': '2'}],
'initial': '2'}] # type: List[Dict]
machine = self.machine_cls(states=states, initial='A', auto_transitions=False, name='TestMachine')
markup = {k: v for k, v in machine.markup.items() if v and k != 'models'}
self.assertEqual(dict(initial='A', states=states, name='TestMachine', model_attribute='state'), markup)
@skipIf(enum is None, "enum is not available")
class TestMarkupMachineEnum(TestMarkupMachine):
class States(Enum):
A = 1
B = 2
C = 3
D = 4
def setUp(self):
self.machine_cls = MarkupMachine
self.states = TestMarkupMachineEnum.States
self.transitions = [
{'trigger': 'walk', 'source': self.states.A, 'dest': self.states.B},
{'trigger': 'run', 'source': self.states.B, 'dest': self.states.C},
{'trigger': 'sprint', 'source': self.states.C, 'dest': self.states.D}
]
self.num_trans = len(self.transitions)
self.num_auto = len(self.states)**2
|
