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test_statemachine.py
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test_statemachine.py
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import os
import sys
import unittest
from collections import OrderedDict
sys.path.append(os.path.join(os.path.dirname(__file__), ".."))
import setup_malcolm_paths
from malcolm.core.statemachine import StateMachine, DefaultStateMachine, \
ManagerStateMachine, RunnableStateMachine
class TestStateMachine(unittest.TestCase):
def test_init_raises_not_implemented(self):
with self.assertRaises(AssertionError):
StateMachine()
if __name__ == "__main__":
unittest.main()
class TestDefaultStateMachine(unittest.TestCase):
def setUp(self):
self.SM = DefaultStateMachine()
def test_init(self):
default_allowed_transitions = OrderedDict()
default_allowed_transitions['Resetting'] = {'Ready', 'Fault', 'Disabling'}
default_allowed_transitions['Ready'] = {"Fault", "Disabling"}
default_allowed_transitions['Fault'] = {"Resetting", "Disabling"}
default_allowed_transitions['Disabling'] = {"Disabled", "Fault"}
default_allowed_transitions['Disabled'] = {"Resetting"}
self.assertEqual(default_allowed_transitions,
self.SM.allowed_transitions)
self.assertEqual(["Resetting"], self.SM.busy_states)
def test_is_allowed(self):
self.SM.allowed_transitions["Ready"] = {"Resetting", "Seeking"}
response = self.SM.is_allowed("Ready", "Resetting")
self.assertTrue(response)
response = self.SM.is_allowed("Ready", "Paused")
self.assertFalse(response)
def test_set_allowed(self):
self.SM.set_allowed("Ready", "Prerun")
self.assertEqual({"Prerun", "Disabling", "Fault"},
self.SM.allowed_transitions['Ready'])
self.SM.set_allowed("Ready", "Resetting")
self.assertEqual({"Prerun", "Disabling", "Fault", "Resetting"},
self.SM.allowed_transitions['Ready'])
def test_set_busy(self):
self.assertEqual(["Resetting"], self.SM.busy_states)
self.SM.set_busy("Resetting", busy=False)
self.assertEqual([], self.SM.busy_states)
self.SM.set_busy("Ready", busy=False)
self.assertEqual([], self.SM.busy_states)
self.SM.set_busy("Ready", busy=True)
self.assertEqual(["Ready"], self.SM.busy_states)
self.SM.set_busy("Ready", busy=False)
self.assertEqual([], self.SM.busy_states)
def test_is_busy(self):
self.assertEqual(['Resetting'], self.SM.busy_states)
response = self.SM.is_busy("Resetting")
self.assertTrue(response)
response = self.SM.is_busy("Ready")
self.assertFalse(response)
class TestManagerStateMachine(unittest.TestCase):
def setUp(self):
self.SM = ManagerStateMachine()
self.assertEqual(self.SM.AFTER_RESETTING, "Ready")
def test_init(self):
default_allowed_transitions = OrderedDict()
default_allowed_transitions['Resetting'] = {'Ready', 'Fault',
'Disabling'}
default_allowed_transitions['Ready'] = {
'Editing', "Fault", "Disabling"}
default_allowed_transitions['Editing'] = {
'Fault', 'Editable', 'Disabling'}
default_allowed_transitions['Editable'] = {
'Fault', 'Saving', 'Disabling', 'Reverting'}
default_allowed_transitions['Saving'] = {
'Fault', 'Ready', 'Disabling'}
default_allowed_transitions['Reverting'] = {
'Fault', 'Ready', 'Disabling'}
default_allowed_transitions['Fault'] = {"Resetting", "Disabling"}
default_allowed_transitions['Disabling'] = {"Disabled", "Fault"}
default_allowed_transitions['Disabled'] = {"Resetting"}
self.assertEqual(default_allowed_transitions,
self.SM.allowed_transitions)
class TestRunnableDeviceStateMachine(unittest.TestCase):
def setUp(self):
self.SM = RunnableStateMachine()
self.assertEqual(self.SM.AFTER_RESETTING, "Idle")
def test_init(self):
default_allowed_transitions = OrderedDict()
default_allowed_transitions['Resetting'] = {
"Idle", "Fault", "Disabling"}
default_allowed_transitions['Idle'] = {
"Configuring", "Aborting", 'Editing', "Fault", "Disabling"}
default_allowed_transitions['Editing'] = {
'Fault', 'Editable', 'Disabling'}
default_allowed_transitions['Editable'] = {
'Fault', 'Saving', 'Disabling', 'Reverting'}
default_allowed_transitions['Saving'] = {
'Fault', 'Idle', 'Disabling'}
default_allowed_transitions['Reverting'] = {
'Fault', 'Idle', 'Disabling'}
default_allowed_transitions['Ready'] = {
"Seeking", "Resetting", "Aborting", "Running", "Fault", "Disabling"}
default_allowed_transitions['Configuring'] = {
"Ready", "Aborting", "Fault", "Disabling"}
default_allowed_transitions['Running'] = {
"PostRun", "Seeking", "Aborting", "Fault", "Disabling"}
default_allowed_transitions['PostRun'] = {
"Idle", "Ready", "Aborting", "Fault", "Disabling"}
default_allowed_transitions['Paused'] = {
"Seeking", "Running", "Aborting", "Fault", "Disabling"}
default_allowed_transitions['Seeking'] = {
"Ready", "Paused", "Aborting", "Fault", "Disabling"}
default_allowed_transitions['Aborting'] = {
"Aborted", "Fault", "Disabling"}
default_allowed_transitions['Aborted'] = {
"Resetting", "Fault", "Disabling"}
default_allowed_transitions['Fault'] = {"Resetting", "Disabling"}
default_allowed_transitions['Disabling'] = {"Disabled", "Fault"}
default_allowed_transitions['Disabled'] = {"Resetting"}
self.assertEqual(default_allowed_transitions,
self.SM.allowed_transitions)