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Merge pull request #856 from fperez/backgroundjobs...
Merge pull request #856 from fperez/backgroundjobs Update `IPython.lib.backgroundjobs`: API cleanup, small fixes and improvements, example notebook illustrating their use and test suite. Test coverage isn't as good as it should be, but at least we now do have some tests for this code.

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test_ansi_code_processor.py
107 lines | 4.2 KiB | text/x-python | PythonLexer
/ IPython / frontend / qt / console / tests / test_ansi_code_processor.py
# Standard library imports
import unittest
# Local imports
from IPython.frontend.qt.console.ansi_code_processor import AnsiCodeProcessor
class TestAnsiCodeProcessor(unittest.TestCase):
def setUp(self):
self.processor = AnsiCodeProcessor()
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.assertEquals(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEquals(action.action, 'erase')
self.assertEquals(action.area, 'screen')
self.assertEquals(action.erase_to, 'all')
elif i == 1:
self.assertEquals(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEquals(action.action, 'erase')
self.assertEquals(action.area, 'line')
self.assertEquals(action.erase_to, 'end')
else:
self.fail('Too many substrings.')
self.assertEquals(i, 1, 'Too few substrings.')
def test_colors(self):
""" Do basic controls sequences for colors work?
"""
string = 'first\x1b[34mblue\x1b[0mlast'
i = -1
for i, substring in enumerate(self.processor.split_string(string)):
if i == 0:
self.assertEquals(substring, 'first')
self.assertEquals(self.processor.foreground_color, None)
elif i == 1:
self.assertEquals(substring, 'blue')
self.assertEquals(self.processor.foreground_color, 4)
elif i == 2:
self.assertEquals(substring, 'last')
self.assertEquals(self.processor.foreground_color, None)
else:
self.fail('Too many substrings.')
self.assertEquals(i, 2, '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.assertEquals(self.processor.color_map, desired)
string = '\x1b[38;5;20m\x1b[48;5;25m'
substrings = list(self.processor.split_string(string))
self.assertEquals(self.processor.foreground_color, 20)
self.assertEquals(self.processor.background_color, 25)
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.assertEquals(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEquals(action.action, 'scroll')
self.assertEquals(action.dir, 'up')
self.assertEquals(action.unit, 'line')
self.assertEquals(action.count, 5)
elif i == 1:
self.assertEquals(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEquals(action.action, 'scroll')
self.assertEquals(action.dir, 'down')
self.assertEquals(action.unit, 'line')
self.assertEquals(action.count, 1)
else:
self.fail('Too many substrings.')
self.assertEquals(i, 1, 'Too few substrings.')
def test_specials(self):
""" Are special characters processed correctly?
"""
string = '\f' # form feed
self.assertEquals(list(self.processor.split_string(string)), [''])
self.assertEquals(len(self.processor.actions), 1)
action = self.processor.actions[0]
self.assertEquals(action.action, 'scroll')
self.assertEquals(action.dir, 'down')
self.assertEquals(action.unit, 'page')
self.assertEquals(action.count, 1)
if __name__ == '__main__':
unittest.main()