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356 lines
12 KiB
Python
356 lines
12 KiB
Python
import unittest
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from unittest.mock import Mock
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import context
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from oec.session import SessionDisconnectedError
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from oec.display import Dimensions, Display
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from oec.keyboard import Key, KeyboardModifiers
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from oec.tn3270 import TN3270Session
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from tn3270 import AttributeCell, CharacterCell, AID, Color, ProtectedCellOperatorError, FieldOverflowOperatorError
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from tn3270.attributes import Attribute
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from tn3270.emulator import CellFormatting
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class SessionHandleHostTestCase(unittest.TestCase):
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def setUp(self):
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self.interface = Mock()
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self.terminal = Mock()
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self.terminal.display = Display(self.interface, Dimensions(24, 80), None)
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self.terminal.display.status_line = Mock()
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self.terminal.display.move_cursor = Mock()
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self.terminal.display.flush = Mock()
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self.terminal.display._load_address_counter = Mock()
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self.terminal.display._write = Mock()
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self.session = TN3270Session(self.terminal, 'mainframe', 23)
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self.telnet = Mock()
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self.session.telnet = self.telnet
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self.session.emulator = Mock()
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def test_no_changes(self):
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# Arrange
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self.session.emulator.update = Mock(return_value=False)
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# Act and assert
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self.assertFalse(self.session.handle_host())
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def test_changes_with_no_eab(self):
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# Arrange
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self.terminal.display.eab_address = None
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self.session.emulator.update = Mock(return_value=True)
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cells = _create_screen_cells(24, 80)
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_set_attribute(cells, 0, protected=True)
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_set_characters(cells, 1, 'PROTECTED'.encode('cp500'))
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_set_attribute(cells, 10, protected=True, intensified=True)
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_set_characters(cells, 11, 'PROTECTED INTENSIFIED'.encode('cp500'))
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_set_attribute(cells, 32, protected=True, hidden=True)
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_set_characters(cells, 33, 'PROTECTED HIDDEN'.encode('cp500'))
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_set_attribute(cells, 49, protected=False)
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_set_characters(cells, 50, 'UNPROTECTED'.encode('cp500'))
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_set_attribute(cells, 61, protected=False, intensified=True)
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_set_characters(cells, 62, 'UNPROTECTED INTENSIFIED'.encode('cp500'))
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_set_attribute(cells, 85, protected=False, hidden=True)
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_set_characters(cells, 86, 'UNPROTECTED HIDDEN'.encode('cp500'))
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_set_attribute(cells, 104, protected=True)
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_set_formatting(cells, 104, color=Color.YELLOW)
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_set_characters(cells, 105, 'EAB'.encode('cp500'))
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_set_formatting(cells, 105, blink=True)
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_set_formatting(cells, 106, reverse=True)
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_set_formatting(cells, 107, underscore=True)
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_set_attribute(cells, 108, protected=True)
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self.session.emulator.cells = cells
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self.session.emulator.dirty = set(range(109))
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self.session.emulator.cursor_address = 8
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# Act and assert
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self.assertTrue(self.session.handle_host())
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self.terminal.display.flush.assert_called()
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self.assertEqual(self.terminal.display.regen_buffer[:109], bytes.fromhex('e0afb1aeb3a4a2b3a4a3e8afb1aeb3a4a2b3a4a300a8adb3a4adb2a8a5a8a4a3ecafb1aeb3a4a2b3a4a300a7a8a3a3a4adc0b4adafb1aeb3a4a2b3a4a3c8b4adafb1aeb3a4a2b3a4a300a8adb3a4adb2a8a5a8a4a3ccb4adafb1aeb3a4a2b3a4a300a7a8a3a3a4ade0a4a0a1e0'))
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self.assertTrue(all([byte == 0x00 for byte in self.terminal.display.regen_buffer[109:]]))
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self.assertTrue(all([byte == 0x00 for byte in self.terminal.display.eab_buffer]))
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self.terminal.display.move_cursor.assert_called_with(index=8)
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self.assertFalse(self.session.emulator.dirty)
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def test_changes_with_eab(self):
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# Arrange
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self.terminal.display.eab_address = 7
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self.session.emulator.update = Mock(return_value=True)
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cells = _create_screen_cells(24, 80)
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_set_attribute(cells, 0, protected=True)
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_set_characters(cells, 1, 'PROTECTED'.encode('cp500'))
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_set_attribute(cells, 10, protected=True, intensified=True)
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_set_characters(cells, 11, 'PROTECTED INTENSIFIED'.encode('cp500'))
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_set_attribute(cells, 32, protected=True, hidden=True)
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_set_characters(cells, 33, 'PROTECTED HIDDEN'.encode('cp500'))
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_set_attribute(cells, 49, protected=False)
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_set_characters(cells, 50, 'UNPROTECTED'.encode('cp500'))
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_set_attribute(cells, 61, protected=False, intensified=True)
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_set_characters(cells, 62, 'UNPROTECTED INTENSIFIED'.encode('cp500'))
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_set_attribute(cells, 85, protected=False, hidden=True)
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_set_characters(cells, 86, 'UNPROTECTED HIDDEN'.encode('cp500'))
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_set_attribute(cells, 104, protected=True)
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_set_formatting(cells, 104, color=Color.YELLOW)
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_set_characters(cells, 105, 'EAB'.encode('cp500'))
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_set_formatting(cells, 105, blink=True)
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_set_formatting(cells, 106, reverse=True)
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_set_formatting(cells, 107, underscore=True)
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_set_attribute(cells, 108, protected=True)
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self.session.emulator.cells = cells
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self.session.emulator.dirty = set(range(109))
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self.session.emulator.cursor_address = 8
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# Act and assert
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self.assertTrue(self.session.handle_host())
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self.terminal.display.flush.assert_called()
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self.assertEqual(self.terminal.display.regen_buffer[:109], bytes.fromhex('e0afb1aeb3a4a2b3a4a3e8afb1aeb3a4a2b3a4a300a8adb3a4adb2a8a5a8a4a3ecafb1aeb3a4a2b3a4a300a7a8a3a3a4adc0b4adafb1aeb3a4a2b3a4a3c8b4adafb1aeb3a4a2b3a4a300a8adb3a4adb2a8a5a8a4a3ccb4adafb1aeb3a4a2b3a4a300a7a8a3a3a4ade0a4a0a1e0'))
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self.assertTrue(all([byte == 0x00 for byte in self.terminal.display.regen_buffer[109:]]))
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self.assertTrue(all([byte == 0x00 for byte in self.terminal.display.eab_buffer[:104]]))
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self.assertEqual(self.terminal.display.eab_buffer[104:109], bytes.fromhex('304080c000'))
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self.assertTrue(all([byte == 0x00 for byte in self.terminal.display.eab_buffer[109:]]))
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self.terminal.display.move_cursor.assert_called_with(index=8)
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self.assertFalse(self.session.emulator.dirty)
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def test_eof(self):
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# Arrange
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self.session.emulator.update = Mock(side_effect=EOFError)
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# Act and assert
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with self.assertRaises(SessionDisconnectedError):
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self.session.handle_host()
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self.telnet.close.assert_called()
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def test_connection_reset(self):
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# Arrange
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self.session.emulator.update = Mock(side_effect=ConnectionResetError)
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# Act and assert
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with self.assertRaises(SessionDisconnectedError):
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self.session.handle_host()
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self.telnet.close.assert_called()
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def test_keyboard_locked(self):
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# Arrange
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self.session.emulator.update = Mock(return_value=True)
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self.session.emulator.cells = _create_screen_cells(24, 80)
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self.session.emulator.dirty = set()
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# Act
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self.session.handle_host()
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# Assert
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self.terminal.display.status_line.write.assert_called_with(8, bytes.fromhex('f600b2b8b2b3a4ac00'))
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class SessionHandleKeyTestCase(unittest.TestCase):
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def setUp(self):
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self.terminal = Mock()
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self.session = TN3270Session(self.terminal, 'mainframe', 23)
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self.session.emulator = Mock()
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self.session.emulator.cells = []
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self.session.emulator.dirty = set()
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def test_enter(self):
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# Act
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self.session.handle_key(Key.ENTER, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.aid.assert_called_with(AID.ENTER)
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def test_backspace(self):
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# Act
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self.session.handle_key(Key.BACKSPACE, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.backspace.assert_called()
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def test_tab(self):
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# Act
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self.session.handle_key(Key.TAB, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.tab.assert_called()
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def test_backtab(self):
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# Act
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self.session.handle_key(Key.BACKTAB, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.tab.assert_called_with(direction=-1)
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def test_newline(self):
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# Act
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self.session.handle_key(Key.NEWLINE, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.newline.assert_called()
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def test_home(self):
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# Act
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self.session.handle_key(Key.HOME, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.home.assert_called()
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def test_up(self):
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# Act
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self.session.handle_key(Key.UP, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.cursor_up.assert_called()
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def test_down(self):
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# Act
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self.session.handle_key(Key.DOWN, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.cursor_down.assert_called()
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def test_left(self):
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# Act
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self.session.handle_key(Key.LEFT, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.cursor_left.assert_called()
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def test_left_2(self):
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# Act
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self.session.handle_key(Key.LEFT_2, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.cursor_left.assert_called_with(rate=2)
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def test_right(self):
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# Act
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self.session.handle_key(Key.RIGHT, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.cursor_right.assert_called()
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def test_right_2(self):
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# Act
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self.session.handle_key(Key.RIGHT_2, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.cursor_right.assert_called_with(rate=2)
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def test_delete(self):
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# Act
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self.session.handle_key(Key.DELETE, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.delete.assert_called()
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def test_dup(self):
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# Act
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self.session.handle_key(Key.DUP, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.dup.assert_called()
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def test_field_mark(self):
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# Act
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self.session.handle_key(Key.FIELD_MARK, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.field_mark.assert_called()
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def test_input(self):
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# Act
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self.session.handle_key(Key.LOWER_A, KeyboardModifiers.NONE, None)
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# Assert
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self.session.emulator.input.assert_called_with(0x81, False)
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def test_insert(self):
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# Act
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self.session.handle_key(Key.INSERT, KeyboardModifiers.NONE, None)
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self.session.handle_key(Key.LOWER_A, KeyboardModifiers.NONE, None)
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self.session.handle_key(Key.INSERT, KeyboardModifiers.NONE, None)
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# Assert
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self.assertFalse(self.session.keyboard_insert)
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self.session.emulator.input.assert_called_with(0x81, True)
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def test_protected_cell_operator_error(self):
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# Arrange
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self.session.emulator.input = Mock(side_effect=ProtectedCellOperatorError)
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# Act
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self.session.handle_key(Key.LOWER_A, KeyboardModifiers.NONE, None)
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# Assert
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self.terminal.display.status_line.write.assert_called_with(8, bytes.fromhex('f600f8dbd800000000'))
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def test_field_overflow_operator_error(self):
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# Arrange
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self.session.emulator.input = Mock(side_effect=FieldOverflowOperatorError)
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# Act
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self.session.handle_key(Key.LOWER_A, KeyboardModifiers.NONE, None)
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# Assert
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self.terminal.display.status_line.write.assert_called_with(8, bytes.fromhex('f600db080000000000'))
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def _create_screen_cells(rows, columns):
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return [CharacterCell(0x00) for address in range(rows * columns)]
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def _set_attribute(cells, index, protected=False, intensified=False, hidden=False):
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display = 2 if intensified else 3 if hidden else 0
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attribute = Attribute((0x20 if protected else 0) | (display << 2))
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cells[index] = AttributeCell(attribute)
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def _set_characters(cells, index, bytes_):
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for byte in bytes_:
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cells[index] = CharacterCell(byte)
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index += 1
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def _set_formatting(cells, index, color=0x00, blink=False, reverse=False, underscore=False):
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if color == 0x00 and not blink and not reverse and not underscore:
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cells[index].formatting = None
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return
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formatting = CellFormatting()
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formatting.color = color
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formatting.blink = blink
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formatting.reverse = reverse
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formatting.underscore = underscore
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cells[index].formatting = formatting
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