def test_no_curses(self):
# Make sure the patch works.
with self.assertRaises(ImportError):
misc_utils.import_curses()
# Test functions that would require curses.
self.assertEqual(0, misc_utils.get_screen_width())
self.assertEqual(0, misc_utils.get_screen_height())
def get_pager(self):
"""Create and return a context manager to write to, a pager subprocess if required.
Returns:
A context manager.
"""
if self.is_interactive:
return pager.ConditionalPager(
self.vars.get('pager', None),
minlines=misc_utils.get_screen_height())
return pager.flush_only(sys.stdout)
def get_pager(self):
"""Create and return a context manager to write to, a pager subprocess if required.
Returns:
A pair of a file object to write to, and a pipe object to wait on (or
None if not necessary to wait).
"""
if self.is_interactive:
return pager.ConditionalPager(
self.vars.get('pager', None),
minlines=misc_utils.get_screen_height())
file = (codecs.getwriter("utf-8")(sys.stdout.buffer) if hasattr(
sys.stdout, 'buffer') else sys.stdout)
return pager.flush_only(file)
def test_get_screen_height(self):
max_height = misc_utils.get_screen_height()
self.assertTrue(type(int), max_height)
# Note: Allow zero because the console function fails in nose when
# capture is disabled.
self.assertLess(-1, max_height)
