def test_terminal_width_COLUMNS(monkeypatch):
""" Dummy test for get_terminal_width
"""
fcntl = py.test.importorskip("fcntl")
monkeypatch.setattr(fcntl, 'ioctl', lambda *args: int('x'))
monkeypatch.setenv('COLUMNS', '42')
assert terminalwriter.get_terminal_width() == 42
monkeypatch.delenv('COLUMNS', raising=False)
def _h1_message(message):
col = get_terminal_width()
no_formats = strip_ansi(message)
# Remove the ANSI escape codes to check the message length
num_equals = (col - len(no_formats) - 3) // 2
equals_sign = num_equals * "="
return "{1} {0} {1}\n".format(message, equals_sign)
def test_terminal_width_COLUMNS(monkeypatch):
""" Dummy test for get_terminal_width
"""
fcntl = py.test.importorskip("fcntl")
monkeypatch.setattr(fcntl, 'ioctl', lambda *args: int('x'))
monkeypatch.setenv('COLUMNS', '42')
assert terminalwriter.get_terminal_width() == 42
monkeypatch.delenv('COLUMNS', raising=False)
from _pytest.config import Config
from icdiff import ConsoleDiff
from py._io.terminalwriter import get_terminal_width
# This is done during initialization, before any tests are run, instead of
# within our assertrepr hook — because the assertrepr hook is called while
# terminal capturing is enabled and all calls to get_terminal_width() return 80
# ref: https://github.com/pytest-dev/pytest/issues/4030#issuecomment-425672782
INITIAL_TERMWIDTH = get_terminal_width()
def pytest_assertrepr_compare(config: Config, op: str, left, right):
# Local import to avoid preclusion of pytest's assertion rewriting
from dendrol import PatternTree
# Resets the red color from the "E" at the start of each pytest
# exception/assertion traceback line -- markup() appends a reset
# character after its output, so we give it an empty string,
# because we only care about that reset.
terminal_writer = config.get_terminal_writer()
reset_colors = lambda s: terminal_writer.markup('', white=True) + s
if op == '==' and isinstance(left, PatternTree) and isinstance(right, PatternTree):
left_desc = 'PatternTree(<left>)'
right_desc = 'PatternTree(<right>)'
rewritten_assert = f'{left_desc} {op} {right_desc}'
summary = 'The pattern trees are not equivalent. Full diff:'
left_repr = left.serialize()