def _compare_eq_iterable(left: Iterable[Any],
right: Iterable[Any],
verbose: int = 0) -> List[str]:
if verbose <= 0 and not running_on_ci():
return ["Use -v to get more diff"]
# dynamic import to speedup pytest
import difflib
left_formatting = pprint.pformat(left).splitlines()
right_formatting = pprint.pformat(right).splitlines()
# Re-format for different output lengths.
lines_left = len(left_formatting)
lines_right = len(right_formatting)
if lines_left != lines_right:
left_formatting = _pformat_dispatch(left).splitlines()
right_formatting = _pformat_dispatch(right).splitlines()
if lines_left > 1 or lines_right > 1:
_surrounding_parens_on_own_lines(left_formatting)
_surrounding_parens_on_own_lines(right_formatting)
explanation = ["Full diff:"]
# "right" is the expected base against which we compare "left",
# see https://github.com/pytest-dev/pytest/issues/3333
explanation.extend(
line.rstrip()
for line in difflib.ndiff(right_formatting, left_formatting))
return explanation
def _compare_eq_iterable(left: Iterable[Any],
right: Iterable[Any],
verbose: int = 0) -> List[str]:
if not verbose:
return ["Use -v to get the full diff"]
# dynamic import to speedup pytest
import difflib
left_formatting = pprint.pformat(left).splitlines()
right_formatting = pprint.pformat(right).splitlines()
# Re-format for different output lengths.
lines_left = len(left_formatting)
lines_right = len(right_formatting)
if lines_left != lines_right:
left_formatting = _pformat_dispatch(left).splitlines()
right_formatting = _pformat_dispatch(right).splitlines()
if lines_left > 1 or lines_right > 1:
_surrounding_parens_on_own_lines(left_formatting)
_surrounding_parens_on_own_lines(right_formatting)
explanation = ["Full diff:"]
explanation.extend(
line.rstrip()
for line in difflib.ndiff(left_formatting, right_formatting))
return explanation
def test_pformat_dispatch():
assert _pformat_dispatch("a") == "'a'"
assert _pformat_dispatch("a" * 10, width=5) == "'aaaaaaaaaa'"
assert _pformat_dispatch("foo bar", width=5) == "('foo '\n 'bar')"
