def test_repr_traceback_tbfilter(self, importasmod):
mod = importasmod("""
def f(x):
raise ValueError(x)
def entry():
f(0)
""")
excinfo = pytest.raises(ValueError, mod.entry)
p = FormattedExcinfo(tbfilter=True)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 2
p = FormattedExcinfo(tbfilter=False)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 3
def test_repr_traceback_tbfilter(self, importasmod):
mod = importasmod("""
def f(x):
raise ValueError(x)
def entry():
f(0)
""")
excinfo = pytest.raises(ValueError, mod.entry)
p = FormattedExcinfo(tbfilter=True)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 2
p = FormattedExcinfo(tbfilter=False)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 3
def test_repr_traceback_with_invalid_cwd(self, importasmod, monkeypatch):
mod = importasmod("""
def f(x):
raise ValueError(x)
def entry():
f(0)
""")
excinfo = pytest.raises(ValueError, mod.entry)
p = FormattedExcinfo()
def raiseos():
raise OSError(2)
monkeypatch.setattr(py.std.os, 'getcwd', raiseos)
assert p._makepath(__file__) == __file__
p.repr_traceback(excinfo)
def test_repr_traceback_and_excinfo(self, importasmod):
mod = importasmod("""
def f(x):
raise ValueError(x)
def entry():
f(0)
""")
excinfo = pytest.raises(ValueError, mod.entry)
for style in ("long", "short"):
p = FormattedExcinfo(style=style)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 2
assert reprtb.style == style
assert not reprtb.extraline
repr = p.repr_excinfo(excinfo)
assert repr.reprtraceback
assert len(repr.reprtraceback.reprentries) == len(
reprtb.reprentries)
if sys.version_info[0] >= 3:
assert repr.chain[0][0]
assert len(repr.chain[0][0].reprentries) == len(
reprtb.reprentries)
assert repr.reprcrash.path.endswith("mod.py")
assert repr.reprcrash.message == "ValueError: 0"
def test_repr_traceback_and_excinfo(self, importasmod) -> None:
mod = importasmod("""
def f(x):
raise ValueError(x)
def entry():
f(0)
""")
excinfo = pytest.raises(ValueError, mod.entry)
styles = ("long", "short") # type: Tuple[_TracebackStyle, ...]
for style in styles:
p = FormattedExcinfo(style=style)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 2
assert reprtb.style == style
assert not reprtb.extraline
repr = p.repr_excinfo(excinfo)
assert repr.reprtraceback
assert len(repr.reprtraceback.reprentries) == len(
reprtb.reprentries)
assert repr.chain[0][0]
assert len(repr.chain[0][0].reprentries) == len(reprtb.reprentries)
assert repr.reprcrash is not None
assert repr.reprcrash.path.endswith("mod.py")
assert repr.reprcrash.message == "ValueError: 0"
def test_repr_traceback_and_excinfo(self, importasmod):
mod = importasmod(
"""
def f(x):
raise ValueError(x)
def entry():
f(0)
"""
)
excinfo = pytest.raises(ValueError, mod.entry)
for style in ("long", "short"):
p = FormattedExcinfo(style=style)
reprtb = p.repr_traceback(excinfo)
assert len(reprtb.reprentries) == 2
assert reprtb.style == style
assert not reprtb.extraline
repr = p.repr_excinfo(excinfo)
assert repr.reprtraceback
assert len(repr.reprtraceback.reprentries) == len(reprtb.reprentries)
if sys.version_info[0] >= 3:
assert repr.chain[0][0]
assert len(repr.chain[0][0].reprentries) == len(reprtb.reprentries)
assert repr.reprcrash.path.endswith("mod.py")
assert repr.reprcrash.message == "ValueError: 0"
def test_repr_traceback_with_invalid_cwd(self, importasmod, monkeypatch):
mod = importasmod("""
def f(x):
raise ValueError(x)
def entry():
f(0)
""")
excinfo = pytest.raises(ValueError, mod.entry)
p = FormattedExcinfo()
def raiseos():
raise OSError(2)
monkeypatch.setattr(os, "getcwd", raiseos)
assert p._makepath(__file__) == __file__
p.repr_traceback(excinfo)
def test_repr_traceback_with_unicode(style, encoding):
msg = u"☹"
if encoding is not None:
msg = msg.encode(encoding)
try:
raise RuntimeError(msg)
except RuntimeError:
e_info = ExceptionInfo.from_current()
formatter = FormattedExcinfo(style=style)
repr_traceback = formatter.repr_traceback(e_info)
assert repr_traceback is not None
def test_repr_traceback_with_unicode(style, encoding):
msg = u"☹"
if encoding is not None:
msg = msg.encode(encoding)
try:
raise RuntimeError(msg)
except RuntimeError:
e_info = ExceptionInfo()
formatter = FormattedExcinfo(style=style)
repr_traceback = formatter.repr_traceback(e_info)
assert repr_traceback is not None
def test_repr_traceback_with_invalid_cwd(self, importasmod, monkeypatch) -> None:
mod = importasmod(
"""
def f(x):
raise ValueError(x)
def entry():
f(0)
"""
)
excinfo = pytest.raises(ValueError, mod.entry)
p = FormattedExcinfo(abspath=False)
raised = 0
orig_path_cwd = Path.cwd
def raiseos():
nonlocal raised
upframe = sys._getframe().f_back
assert upframe is not None
if upframe.f_code.co_name == "_makepath":
# Only raise with expected calls, but not via e.g. inspect for
# py38-windows.
raised += 1
raise OSError(2, "custom_oserror")
return orig_path_cwd()
monkeypatch.setattr(Path, "cwd", raiseos)
assert p._makepath(Path(__file__)) == __file__
assert raised == 1
repr_tb = p.repr_traceback(excinfo)
matcher = LineMatcher(str(repr_tb).splitlines())
matcher.fnmatch_lines(
[
"def entry():",
"> f(0)",
"",
f"{mod.__file__}:5: ",
"_ _ *",
"",
" def f(x):",
"> raise ValueError(x)",
"E ValueError: 0",
"",
f"{mod.__file__}:3: ValueError",
]
)
assert raised == 3
def test_repr_traceback_recursion(self, importasmod):
mod = importasmod("""
def rec2(x):
return rec1(x+1)
def rec1(x):
return rec2(x-1)
def entry():
rec1(42)
""")
excinfo = pytest.raises(RuntimeError, mod.entry)
for style in ("short", "long", "no"):
p = FormattedExcinfo(style="short")
reprtb = p.repr_traceback(excinfo)
assert reprtb.extraline == "!!! Recursion detected (same locals & position)"
assert str(reprtb)
def test_repr_traceback_recursion(self, importasmod):
mod = importasmod("""
def rec2(x):
return rec1(x+1)
def rec1(x):
return rec2(x-1)
def entry():
rec1(42)
""")
excinfo = pytest.raises(RuntimeError, mod.entry)
for style in ("short", "long", "no"):
p = FormattedExcinfo(style="short")
reprtb = p.repr_traceback(excinfo)
assert reprtb.extraline == "!!! Recursion detected (same locals & position)"
assert str(reprtb)