lowobservable.oec/tests/test_terminal.py
2021-11-04 18:35:10 -05:00

213 lines
7.7 KiB
Python

import unittest
from unittest.mock import Mock, create_autospec, patch
from coax import Poll, PollAction, TerminalType, Feature, ReadTerminalId, ReadExtendedId, ReadFeatureId
from coax.protocol import TerminalId
import context
from oec.interface import InterfaceWrapper
from oec.terminal import create_terminal, Terminal, UnsupportedTerminalError, _jumbo_write_split_data
from oec.display import Display, Dimensions
from oec.keymap_3278_2 import KEYMAP as KEYMAP_3278_2
from mock_interface import MockInterface
class TerminalSetupTestCase(unittest.TestCase):
def setUp(self):
self.interface = MockInterface()
self.terminal = _create_terminal(self.interface)
self.terminal.display = create_autospec(Display, instance=True)
def test(self):
self.terminal.setup()
class TerminalPollTestCase(unittest.TestCase):
def setUp(self):
self.interface = MockInterface()
self.terminal = _create_terminal(self.interface)
self.terminal.display = create_autospec(Display, instance=True)
# The terminal will be initialized in a state where the terminal keyboard clicker
# state is unknown, and this cannot be read. Therefore the first POLL will always
# attempt to set the keyboard clicker state...
self.terminal.poll()
self.interface.reset_mock()
def test_with_no_queued_actions(self):
# Act
self.terminal.poll()
# Assert
self.assert_poll_with_poll_action(PollAction.NONE)
def test_with_sound_alarm_queued(self):
# Arrange
self.terminal.sound_alarm()
# Act
self.terminal.poll()
# Assert
self.assert_poll_with_poll_action(PollAction.ALARM)
def test_with_enable_keyboard_clicker_queued(self):
# Arrange
self.assertFalse(self.terminal.keyboard.clicker)
self.terminal.keyboard.toggle_clicker()
# Act
self.terminal.poll()
# Assert
self.assert_poll_with_poll_action(PollAction.ENABLE_KEYBOARD_CLICKER)
def assert_poll_with_poll_action(self, action):
self.interface.assert_command_executed(None, Poll, lambda command: command.action == action)
class CreateTerminalTestCase(unittest.TestCase):
def setUp(self):
self.interface = MockInterface()
self.get_keymap = lambda terminal_id, extended_id: KEYMAP_3278_2
def test_supported_terminal_with_no_features(self):
# Arrange
interface = InterfaceWrapper(self.interface)
self.interface.mock_responses = [
(None, ReadTerminalId, None, TerminalId(0b11110100)),
(None, ReadExtendedId, None, bytes.fromhex('00 00 00 00'))
]
# Act
terminal = create_terminal(interface, None, None, self.get_keymap)
# Assert
self.assertEqual(terminal.terminal_id.type, TerminalType.CUT)
self.assertEqual(terminal.terminal_id.model, 2)
self.assertEqual(terminal.terminal_id.keyboard, 15)
self.assertEqual(terminal.extended_id, '00000000')
self.assertEqual(terminal.display.dimensions, Dimensions(24, 80))
self.assertEqual(terminal.features, { })
self.assertEqual(terminal.keyboard.keymap.name, '3278-2')
def test_supported_terminal_with_eab_feature(self):
# Arrange
interface = InterfaceWrapper(self.interface)
self.interface.mock_responses = [
(None, ReadTerminalId, None, TerminalId(0b11110100)),
(None, ReadExtendedId, None, bytes.fromhex('c1 34 83 00')),
(None, ReadFeatureId, lambda command: command.feature_address == 7, Feature.EAB.value)
]
# Act
terminal = create_terminal(interface, None, None, self.get_keymap)
# Assert
self.assertEqual(terminal.terminal_id.type, TerminalType.CUT)
self.assertEqual(terminal.terminal_id.model, 2)
self.assertEqual(terminal.terminal_id.keyboard, 15)
self.assertEqual(terminal.extended_id, 'c1348300')
self.assertEqual(terminal.display.dimensions, Dimensions(24, 80))
self.assertEqual(terminal.features, { Feature.EAB: 7 })
self.assertEqual(terminal.keyboard.keymap.name, '3278-2')
def test_supported_terminal_features_override(self):
# Arrange
interface = InterfaceWrapper(self.interface)
self.interface.mock_responses = [
(None, ReadTerminalId, None, TerminalId(0b11110100)),
(None, ReadExtendedId, None, bytes.fromhex('00 00 00 00'))
]
# Act
with patch.dict('oec.terminal.os.environ', { 'COAX_FEATURES': 'EAB@7' }):
terminal = create_terminal(interface, None, None, self.get_keymap)
# Assert
self.assertEqual(terminal.terminal_id.type, TerminalType.CUT)
self.assertEqual(terminal.terminal_id.model, 2)
self.assertEqual(terminal.terminal_id.keyboard, 15)
self.assertEqual(terminal.extended_id, '00000000')
self.assertEqual(terminal.display.dimensions, Dimensions(24, 80))
self.assertEqual(terminal.features, { Feature.EAB: 7 })
self.assertEqual(terminal.keyboard.keymap.name, '3278-2')
def test_unsupported_terminal_type(self):
# Arrange
interface = InterfaceWrapper(self.interface)
self.interface.mock_responses = [(None, ReadTerminalId, None, TerminalId(0b00000001))]
# Act and assert
with self.assertRaises(UnsupportedTerminalError):
create_terminal(interface, None, None, self.get_keymap)
def test_unsupported_terminal_model(self):
# Arrange
interface = InterfaceWrapper(self.interface)
terminal_id = TerminalId(0b11110100)
terminal_id.model = 1
self.interface.mock_responses = [(None, ReadTerminalId, None, terminal_id)]
# Act and assert
with self.assertRaises(UnsupportedTerminalError):
create_terminal(interface, None, None, self.get_keymap)
class JumboWriteSplitDataTestCase(unittest.TestCase):
def test_no_split_strategy(self):
for data in [bytes(range(0, 64)), (bytes.fromhex('00'), 64)]:
with self.subTest(data=data):
result = _jumbo_write_split_data(data, None)
self.assertEqual(len(result), 1)
self.assertEqual(result[0], data)
def test_split_strategy_one_chunk(self):
for data in [bytes(range(0, 16)), (bytes.fromhex('00'), 16), bytes(range(0, 31)), (bytes.fromhex('00'), 31)]:
with self.subTest(data=data):
result = _jumbo_write_split_data(data, 32)
self.assertEqual(len(result), 1)
self.assertEqual(result[0], data)
def test_split_strategy_two_chunks(self):
for data in [bytes(range(0, 32)), (bytes.fromhex('00'), 32), bytes(range(0, 63)), (bytes.fromhex('00'), 63)]:
with self.subTest(data=data):
result = _jumbo_write_split_data(data, 32)
self.assertEqual(len(result), 2)
self.assertEqual(len(result[0]), 31)
def test_split_strategy_three_chunks(self):
for data in [bytes(range(0, 64)), (bytes.fromhex('00'), 64), bytes(range(0, 95)), (bytes.fromhex('00'), 95)]:
with self.subTest(data=data):
result = _jumbo_write_split_data(data, 32)
self.assertEqual(len(result), 3)
self.assertEqual(len(result[0]), 31)
self.assertEqual(len(result[1]), 32)
def _create_terminal(interface):
terminal_id = TerminalId(0b11110100)
extended_id = 'c1348300'
dimensions = Dimensions(24, 80)
features = { }
keymap = KEYMAP_3278_2
terminal = Terminal(InterfaceWrapper(interface), None, terminal_id, extended_id, dimensions, features, keymap)
return terminal