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# Standard library imports
import unittest
# Local imports
from qtconsole.ansi_code_processor import AnsiCodeProcessor, QtAnsiCodeProcessor
class TestAnsiCodeProcessor(unittest.TestCase):
def setUp(self):
self.processor = AnsiCodeProcessor()
self.qt_processor = QtAnsiCodeProcessor()
def test_clear(self):
""" Do control sequences for clearing the console work?
"""
string = '\x1b[2J\x1b[K'
i = -1
for i, substring in enumerate(self.processor.split_string(string)):
if i == 0:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'erase')
self.assertEqual(action.area, 'screen')
self.assertEqual(action.erase_to, 'all')
elif i == 1:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'erase')
self.assertEqual(action.area, 'line')
self.assertEqual(action.erase_to, 'end')
else:
self.fail('Too many substrings.')
self.assertEqual(i, 1, 'Too few substrings.')
#test_erase_in_line() is in test_00_console_widget.py, because it needs the console
def test_colors(self):
""" Do basic controls sequences for colors work?
"""
string = 'first\x1b[34mblue\x1b[0mlast\033[33mYellow'
i = -1
for i, substring in enumerate(self.processor.split_string(string)):
if i == 0:
self.assertEqual(substring, 'first')
self.assertEqual(self.processor.foreground_color, None)
elif i == 1:
self.assertEqual(substring, 'blue')
self.assertEqual(self.processor.foreground_color, 4)
elif i == 2:
self.assertEqual(substring, 'last')
self.assertEqual(self.processor.foreground_color, None)
elif i == 3:
foreground_color = self.processor.foreground_color
self.assertEqual(substring, 'Yellow')
self.assertEqual(foreground_color, 3)
self.assertEqual(self.qt_processor.get_color(foreground_color).name(), '#ffd700')
else:
self.fail('Too many substrings.')
self.assertEqual(i, 3, 'Too few substrings.')
def test_colors_xterm(self):
""" Do xterm-specific control sequences for colors work?
"""
string = '\x1b]4;20;rgb:ff/ff/ff\x1b' \
'\x1b]4;25;rgbi:1.0/1.0/1.0\x1b'
substrings = list(self.processor.split_string(string))
desired = { 20 : (255, 255, 255),
25 : (255, 255, 255) }
self.assertEqual(self.processor.color_map, desired)
string = '\x1b[38;5;20m\x1b[48;5;25m'
substrings = list(self.processor.split_string(string))
self.assertEqual(self.processor.foreground_color, 20)
self.assertEqual(self.processor.background_color, 25)
def test_true_color(self):
"""Do 24bit True Color control sequences?
"""
string = '\x1b[38;2;255;100;0m\x1b[48;2;100;100;100m'
substrings = list(self.processor.split_string(string))
self.assertEqual(self.processor.foreground_color, [255, 100, 0])
self.assertEqual(self.processor.background_color, [100, 100, 100])
def test_scroll(self):
""" Do control sequences for scrolling the buffer work?
"""
string = '\x1b[5S\x1b[T'
i = -1
for i, substring in enumerate(self.processor.split_string(string)):
if i == 0:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'scroll')
self.assertEqual(action.dir, 'up')
self.assertEqual(action.unit, 'line')
self.assertEqual(action.count, 5)
elif i == 1:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'scroll')
self.assertEqual(action.dir, 'down')
self.assertEqual(action.unit, 'line')
self.assertEqual(action.count, 1)
else:
self.fail('Too many substrings.')
self.assertEqual(i, 1, 'Too few substrings.')
def test_formfeed(self):
""" Are formfeed characters processed correctly?
"""
string = '\f' # form feed
self.assertEqual(list(self.processor.split_string(string)), [''])
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'scroll')
self.assertEqual(action.dir, 'down')
self.assertEqual(action.unit, 'page')
self.assertEqual(action.count, 1)
def test_carriage_return(self):
""" Are carriage return characters processed correctly?
"""
string = 'foo\rbar' # carriage return
splits = []
actions = []
for split in self.processor.split_string(string):
splits.append(split)
actions.append([action.action for action in self.processor.actions])
self.assertEqual(splits, ['foo', None, 'bar'])
self.assertEqual(actions, [[], ['carriage-return'], []])
def test_carriage_return_newline(self):
"""transform CRLF to LF"""
string = 'foo\rbar\r\ncat\r\n\n' # carriage return and newline
# only one CR action should occur, and '\r\n' should transform to '\n'
splits = []
actions = []
for split in self.processor.split_string(string):
splits.append(split)
actions.append([action.action for action in self.processor.actions])
self.assertEqual(splits, ['foo', None, 'bar', None, 'cat', None, None])
self.assertEqual(actions, [[], ['carriage-return'], [], ['newline'], [], ['newline'], ['newline']])
def test_beep(self):
""" Are beep characters processed correctly?
"""
string = 'foo\abar' # bell
splits = []
actions = []
for split in self.processor.split_string(string):
splits.append(split)
actions.append([action.action for action in self.processor.actions])
self.assertEqual(splits, ['foo', None, 'bar'])
self.assertEqual(actions, [[], ['beep'], []])
def test_backspace(self):
""" Are backspace characters processed correctly?
"""
string = 'foo\bbar' # backspace
splits = []
actions = []
for split in self.processor.split_string(string):
splits.append(split)
actions.append([action.action for action in self.processor.actions])
self.assertEqual(splits, ['foo', None, 'bar'])
self.assertEqual(actions, [[], ['backspace'], []])
def test_combined(self):
""" Are CR and BS characters processed correctly in combination?
BS is treated as a change in print position, rather than a
backwards character deletion. Therefore a BS at EOL is
effectively ignored.
"""
string = 'abc\rdef\b' # CR and backspace
splits = []
actions = []
for split in self.processor.split_string(string):
splits.append(split)
actions.append([action.action for action in self.processor.actions])
self.assertEqual(splits, ['abc', None, 'def', None])
self.assertEqual(actions, [[], ['carriage-return'], [], ['backspace']])
def test_move_cursor_up(self):
"""Are the ANSI commands for the cursor movement actions
(movement up and to the beginning of the line) processed correctly?
"""
# This line moves the cursor up once, then moves it up five more lines.
# Next, it moves the cursor to the beginning of the previous line, and
# finally moves it to the beginning of the fifth line above the current
# position
string = '\x1b[A\x1b[5A\x1b[F\x1b[5F'
i = -1
for i, substring in enumerate(self.processor.split_string(string)):
if i == 0:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'move')
self.assertEqual(action.dir, 'up')
self.assertEqual(action.unit, 'line')
self.assertEqual(action.count, 1)
elif i == 1:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'move')
self.assertEqual(action.dir, 'up')
self.assertEqual(action.unit, 'line')
self.assertEqual(action.count, 5)
elif i == 2:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'move')
self.assertEqual(action.dir, 'leftup')
self.assertEqual(action.unit, 'line')
self.assertEqual(action.count, 1)
elif i == 3:
self.assertEqual(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEqual(action.action, 'move')
self.assertEqual(action.dir, 'leftup')
self.assertEqual(action.unit, 'line')
self.assertEqual(action.count, 5)
else:
self.fail('Too many substrings.')
self.assertEqual(i, 3, 'Too few substrings.')
if __name__ == '__main__':
unittest.main()
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