The previous test was better in that it used fakes to test all of the real code paths. The problem with that is that it makes it impossible to simplify the code with `isinstance` checks. So let's just simulate the issue directly with a monkeypatch.
1365 lines
44 KiB
Python
1365 lines
44 KiB
Python
import operator
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import os
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import queue
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import sys
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import textwrap
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import py
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import _pytest
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import pytest
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from _pytest._code.code import ExceptionChainRepr
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from _pytest._code.code import ExceptionInfo
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from _pytest._code.code import FormattedExcinfo
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try:
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import importlib
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except ImportError:
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invalidate_import_caches = None
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else:
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invalidate_import_caches = getattr(importlib, "invalidate_caches", None)
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pytest_version_info = tuple(map(int, pytest.__version__.split(".")[:3]))
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@pytest.fixture
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def limited_recursion_depth():
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before = sys.getrecursionlimit()
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sys.setrecursionlimit(150)
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yield
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sys.setrecursionlimit(before)
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def test_excinfo_simple() -> None:
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try:
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raise ValueError
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except ValueError:
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info = _pytest._code.ExceptionInfo.from_current()
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assert info.type == ValueError
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def test_excinfo_from_exc_info_simple():
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try:
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raise ValueError
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except ValueError as e:
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info = _pytest._code.ExceptionInfo.from_exc_info((type(e), e, e.__traceback__))
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assert info.type == ValueError
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def test_excinfo_getstatement():
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def g():
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raise ValueError
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def f():
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g()
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try:
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f()
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except ValueError:
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excinfo = _pytest._code.ExceptionInfo.from_current()
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linenumbers = [
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f.__code__.co_firstlineno - 1 + 4,
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f.__code__.co_firstlineno - 1 + 1,
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g.__code__.co_firstlineno - 1 + 1,
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]
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values = list(excinfo.traceback)
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foundlinenumbers = [x.lineno for x in values]
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assert foundlinenumbers == linenumbers
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# for x in info:
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# print "%s:%d %s" %(x.path.relto(root), x.lineno, x.statement)
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# xxx
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# testchain for getentries test below
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def f():
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#
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raise ValueError
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#
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def g():
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#
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__tracebackhide__ = True
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f()
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#
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def h():
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#
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g()
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#
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class TestTraceback_f_g_h:
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def setup_method(self, method):
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try:
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h()
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except ValueError:
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self.excinfo = _pytest._code.ExceptionInfo.from_current()
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def test_traceback_entries(self):
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tb = self.excinfo.traceback
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entries = list(tb)
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assert len(tb) == 4 # maybe fragile test
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assert len(entries) == 4 # maybe fragile test
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names = ["f", "g", "h"]
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for entry in entries:
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try:
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names.remove(entry.frame.code.name)
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except ValueError:
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pass
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assert not names
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def test_traceback_entry_getsource(self):
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tb = self.excinfo.traceback
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s = str(tb[-1].getsource())
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assert s.startswith("def f():")
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assert s.endswith("raise ValueError")
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def test_traceback_entry_getsource_in_construct(self):
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source = _pytest._code.Source(
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"""\
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def xyz():
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try:
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raise ValueError
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except somenoname:
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pass
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xyz()
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"""
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)
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try:
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exec(source.compile())
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except NameError:
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tb = _pytest._code.ExceptionInfo.from_current().traceback
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print(tb[-1].getsource())
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s = str(tb[-1].getsource())
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assert s.startswith("def xyz():\n try:")
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assert s.strip().endswith("except somenoname:")
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def test_traceback_cut(self):
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co = _pytest._code.Code(f)
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path, firstlineno = co.path, co.firstlineno
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traceback = self.excinfo.traceback
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newtraceback = traceback.cut(path=path, firstlineno=firstlineno)
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assert len(newtraceback) == 1
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newtraceback = traceback.cut(path=path, lineno=firstlineno + 2)
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assert len(newtraceback) == 1
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def test_traceback_cut_excludepath(self, testdir):
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p = testdir.makepyfile("def f(): raise ValueError")
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with pytest.raises(ValueError) as excinfo:
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p.pyimport().f()
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basedir = py.path.local(pytest.__file__).dirpath()
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newtraceback = excinfo.traceback.cut(excludepath=basedir)
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for x in newtraceback:
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if hasattr(x, "path"):
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assert not py.path.local(x.path).relto(basedir)
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assert newtraceback[-1].frame.code.path == p
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def test_traceback_filter(self):
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traceback = self.excinfo.traceback
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ntraceback = traceback.filter()
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assert len(ntraceback) == len(traceback) - 1
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@pytest.mark.parametrize(
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"tracebackhide, matching",
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[
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(lambda info: True, True),
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(lambda info: False, False),
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(operator.methodcaller("errisinstance", ValueError), True),
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(operator.methodcaller("errisinstance", IndexError), False),
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],
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)
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def test_traceback_filter_selective(self, tracebackhide, matching):
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def f():
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#
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raise ValueError
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#
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def g():
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#
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__tracebackhide__ = tracebackhide
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f()
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#
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def h():
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#
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g()
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#
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excinfo = pytest.raises(ValueError, h)
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traceback = excinfo.traceback
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ntraceback = traceback.filter()
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print("old: {!r}".format(traceback))
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print("new: {!r}".format(ntraceback))
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if matching:
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assert len(ntraceback) == len(traceback) - 2
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else:
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# -1 because of the __tracebackhide__ in pytest.raises
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assert len(ntraceback) == len(traceback) - 1
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def test_traceback_recursion_index(self):
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def f(n):
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if n < 10:
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n += 1
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f(n)
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excinfo = pytest.raises(RuntimeError, f, 8)
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traceback = excinfo.traceback
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recindex = traceback.recursionindex()
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assert recindex == 3
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def test_traceback_only_specific_recursion_errors(self, monkeypatch):
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def f(n):
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if n == 0:
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raise RuntimeError("hello")
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f(n - 1)
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excinfo = pytest.raises(RuntimeError, f, 25)
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monkeypatch.delattr(excinfo.traceback.__class__, "recursionindex")
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repr = excinfo.getrepr()
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assert "RuntimeError: hello" in str(repr.reprcrash)
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def test_traceback_no_recursion_index(self):
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def do_stuff():
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raise RuntimeError
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def reraise_me():
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import sys
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exc, val, tb = sys.exc_info()
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raise val.with_traceback(tb)
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def f(n):
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try:
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do_stuff()
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except: # noqa
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reraise_me()
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excinfo = pytest.raises(RuntimeError, f, 8)
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traceback = excinfo.traceback
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recindex = traceback.recursionindex()
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assert recindex is None
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def test_traceback_messy_recursion(self):
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# XXX: simplified locally testable version
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decorator = pytest.importorskip("decorator").decorator
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def log(f, *k, **kw):
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print("{} {}".format(k, kw))
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f(*k, **kw)
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log = decorator(log)
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def fail():
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raise ValueError("")
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fail = log(log(fail))
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excinfo = pytest.raises(ValueError, fail)
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assert excinfo.traceback.recursionindex() is None
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def test_traceback_getcrashentry(self):
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def i():
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__tracebackhide__ = True
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raise ValueError
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def h():
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i()
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|
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def g():
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__tracebackhide__ = True
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h()
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def f():
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g()
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excinfo = pytest.raises(ValueError, f)
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tb = excinfo.traceback
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entry = tb.getcrashentry()
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co = _pytest._code.Code(h)
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assert entry.frame.code.path == co.path
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assert entry.lineno == co.firstlineno + 1
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assert entry.frame.code.name == "h"
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def test_traceback_getcrashentry_empty(self):
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def g():
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__tracebackhide__ = True
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raise ValueError
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def f():
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__tracebackhide__ = True
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g()
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excinfo = pytest.raises(ValueError, f)
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tb = excinfo.traceback
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entry = tb.getcrashentry()
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co = _pytest._code.Code(g)
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assert entry.frame.code.path == co.path
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assert entry.lineno == co.firstlineno + 2
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assert entry.frame.code.name == "g"
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|
|
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def test_excinfo_exconly():
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excinfo = pytest.raises(ValueError, h)
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assert excinfo.exconly().startswith("ValueError")
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with pytest.raises(ValueError) as excinfo:
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raise ValueError("hello\nworld")
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msg = excinfo.exconly(tryshort=True)
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assert msg.startswith("ValueError")
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assert msg.endswith("world")
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|
|
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def test_excinfo_repr_str():
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excinfo = pytest.raises(ValueError, h)
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assert repr(excinfo) == "<ExceptionInfo ValueError() tblen=4>"
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assert str(excinfo) == "<ExceptionInfo ValueError() tblen=4>"
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|
|
class CustomException(Exception):
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def __repr__(self):
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return "custom_repr"
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|
|
|
def raises():
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raise CustomException()
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excinfo = pytest.raises(CustomException, raises)
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assert repr(excinfo) == "<ExceptionInfo custom_repr tblen=2>"
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assert str(excinfo) == "<ExceptionInfo custom_repr tblen=2>"
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|
|
|
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def test_excinfo_for_later():
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e = ExceptionInfo.for_later()
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assert "for raises" in repr(e)
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assert "for raises" in str(e)
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|
|
|
|
def test_excinfo_errisinstance():
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excinfo = pytest.raises(ValueError, h)
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assert excinfo.errisinstance(ValueError)
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|
|
|
|
|
def test_excinfo_no_sourcecode():
|
|
try:
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exec("raise ValueError()")
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|
except ValueError:
|
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excinfo = _pytest._code.ExceptionInfo.from_current()
|
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s = str(excinfo.traceback[-1])
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assert s == " File '<string>':1 in <module>\n ???\n"
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|
|
|
|
|
def test_excinfo_no_python_sourcecode(tmpdir):
|
|
# XXX: simplified locally testable version
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tmpdir.join("test.txt").write("{{ h()}}:")
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|
|
jinja2 = pytest.importorskip("jinja2")
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loader = jinja2.FileSystemLoader(str(tmpdir))
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env = jinja2.Environment(loader=loader)
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template = env.get_template("test.txt")
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excinfo = pytest.raises(ValueError, template.render, h=h)
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for item in excinfo.traceback:
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print(item) # XXX: for some reason jinja.Template.render is printed in full
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item.source # shouldn't fail
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if item.path.basename == "test.txt":
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assert str(item.source) == "{{ h()}}:"
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|
|
|
|
def test_entrysource_Queue_example():
|
|
try:
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queue.Queue().get(timeout=0.001)
|
|
except queue.Empty:
|
|
excinfo = _pytest._code.ExceptionInfo.from_current()
|
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entry = excinfo.traceback[-1]
|
|
source = entry.getsource()
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assert source is not None
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s = str(source).strip()
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assert s.startswith("def get")
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|
|
|
|
|
def test_codepath_Queue_example():
|
|
try:
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|
queue.Queue().get(timeout=0.001)
|
|
except queue.Empty:
|
|
excinfo = _pytest._code.ExceptionInfo.from_current()
|
|
entry = excinfo.traceback[-1]
|
|
path = entry.path
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assert isinstance(path, py.path.local)
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assert path.basename.lower() == "queue.py"
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assert path.check()
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|
|
|
|
def test_match_succeeds():
|
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with pytest.raises(ZeroDivisionError) as excinfo:
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0 // 0
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excinfo.match(r".*zero.*")
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|
|
|
|
|
def test_match_raises_error(testdir):
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testdir.makepyfile(
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|
"""
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|
import pytest
|
|
def test_division_zero():
|
|
with pytest.raises(ZeroDivisionError) as excinfo:
|
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0 / 0
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excinfo.match(r'[123]+')
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"""
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)
|
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result = testdir.runpytest()
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assert result.ret != 0
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result.stdout.fnmatch_lines(["*AssertionError*Pattern*[123]*not found*"])
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result.stdout.no_fnmatch_line("*__tracebackhide__ = True*")
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|
|
|
result = testdir.runpytest("--fulltrace")
|
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assert result.ret != 0
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result.stdout.fnmatch_lines(
|
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["*__tracebackhide__ = True*", "*AssertionError*Pattern*[123]*not found*"]
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)
|
|
|
|
|
|
class TestFormattedExcinfo:
|
|
@pytest.fixture
|
|
def importasmod(self, request, _sys_snapshot):
|
|
def importasmod(source):
|
|
source = textwrap.dedent(source)
|
|
tmpdir = request.getfixturevalue("tmpdir")
|
|
modpath = tmpdir.join("mod.py")
|
|
tmpdir.ensure("__init__.py")
|
|
modpath.write(source)
|
|
if invalidate_import_caches is not None:
|
|
invalidate_import_caches()
|
|
return modpath.pyimport()
|
|
|
|
return importasmod
|
|
|
|
def excinfo_from_exec(self, source):
|
|
source = _pytest._code.Source(source).strip()
|
|
try:
|
|
exec(source.compile())
|
|
except KeyboardInterrupt:
|
|
raise
|
|
except: # noqa
|
|
return _pytest._code.ExceptionInfo.from_current()
|
|
assert 0, "did not raise"
|
|
|
|
def test_repr_source(self):
|
|
pr = FormattedExcinfo()
|
|
source = _pytest._code.Source(
|
|
"""\
|
|
def f(x):
|
|
pass
|
|
"""
|
|
).strip()
|
|
pr.flow_marker = "|"
|
|
lines = pr.get_source(source, 0)
|
|
assert len(lines) == 2
|
|
assert lines[0] == "| def f(x):"
|
|
assert lines[1] == " pass"
|
|
|
|
def test_repr_source_excinfo(self):
|
|
""" check if indentation is right """
|
|
pr = FormattedExcinfo()
|
|
excinfo = self.excinfo_from_exec(
|
|
"""
|
|
def f():
|
|
assert 0
|
|
f()
|
|
"""
|
|
)
|
|
pr = FormattedExcinfo()
|
|
source = pr._getentrysource(excinfo.traceback[-1])
|
|
lines = pr.get_source(source, 1, excinfo)
|
|
assert lines == [" def f():", "> assert 0", "E AssertionError"]
|
|
|
|
def test_repr_source_not_existing(self):
|
|
pr = FormattedExcinfo()
|
|
co = compile("raise ValueError()", "", "exec")
|
|
try:
|
|
exec(co)
|
|
except ValueError:
|
|
excinfo = _pytest._code.ExceptionInfo.from_current()
|
|
repr = pr.repr_excinfo(excinfo)
|
|
assert repr.reprtraceback.reprentries[1].lines[0] == "> ???"
|
|
assert repr.chain[0][0].reprentries[1].lines[0] == "> ???"
|
|
|
|
def test_repr_many_line_source_not_existing(self):
|
|
pr = FormattedExcinfo()
|
|
co = compile(
|
|
"""
|
|
a = 1
|
|
raise ValueError()
|
|
""",
|
|
"",
|
|
"exec",
|
|
)
|
|
try:
|
|
exec(co)
|
|
except ValueError:
|
|
excinfo = _pytest._code.ExceptionInfo.from_current()
|
|
repr = pr.repr_excinfo(excinfo)
|
|
assert repr.reprtraceback.reprentries[1].lines[0] == "> ???"
|
|
assert repr.chain[0][0].reprentries[1].lines[0] == "> ???"
|
|
|
|
def test_repr_source_failing_fullsource(self, monkeypatch) -> None:
|
|
pr = FormattedExcinfo()
|
|
|
|
try:
|
|
1 / 0
|
|
except ZeroDivisionError:
|
|
excinfo = ExceptionInfo.from_current()
|
|
|
|
with monkeypatch.context() as m:
|
|
m.setattr(_pytest._code.Code, "fullsource", property(lambda self: None))
|
|
repr = pr.repr_excinfo(excinfo)
|
|
|
|
assert repr.reprtraceback.reprentries[0].lines[0] == "> ???"
|
|
assert repr.chain[0][0].reprentries[0].lines[0] == "> ???"
|
|
|
|
def test_repr_local(self):
|
|
p = FormattedExcinfo(showlocals=True)
|
|
loc = {"y": 5, "z": 7, "x": 3, "@x": 2, "__builtins__": {}}
|
|
reprlocals = p.repr_locals(loc)
|
|
assert reprlocals.lines
|
|
assert reprlocals.lines[0] == "__builtins__ = <builtins>"
|
|
assert reprlocals.lines[1] == "x = 3"
|
|
assert reprlocals.lines[2] == "y = 5"
|
|
assert reprlocals.lines[3] == "z = 7"
|
|
|
|
def test_repr_local_with_error(self):
|
|
class ObjWithErrorInRepr:
|
|
def __repr__(self):
|
|
raise NotImplementedError
|
|
|
|
p = FormattedExcinfo(showlocals=True, truncate_locals=False)
|
|
loc = {"x": ObjWithErrorInRepr(), "__builtins__": {}}
|
|
reprlocals = p.repr_locals(loc)
|
|
assert reprlocals.lines
|
|
assert reprlocals.lines[0] == "__builtins__ = <builtins>"
|
|
assert "[NotImplementedError() raised in repr()]" in reprlocals.lines[1]
|
|
|
|
def test_repr_local_with_exception_in_class_property(self):
|
|
class ExceptionWithBrokenClass(Exception):
|
|
# Type ignored because it's bypassed intentionally.
|
|
@property # type: ignore
|
|
def __class__(self):
|
|
raise TypeError("boom!")
|
|
|
|
class ObjWithErrorInRepr:
|
|
def __repr__(self):
|
|
raise ExceptionWithBrokenClass()
|
|
|
|
p = FormattedExcinfo(showlocals=True, truncate_locals=False)
|
|
loc = {"x": ObjWithErrorInRepr(), "__builtins__": {}}
|
|
reprlocals = p.repr_locals(loc)
|
|
assert reprlocals.lines
|
|
assert reprlocals.lines[0] == "__builtins__ = <builtins>"
|
|
assert "[ExceptionWithBrokenClass() raised in repr()]" in reprlocals.lines[1]
|
|
|
|
def test_repr_local_truncated(self):
|
|
loc = {"l": [i for i in range(10)]}
|
|
p = FormattedExcinfo(showlocals=True)
|
|
truncated_reprlocals = p.repr_locals(loc)
|
|
assert truncated_reprlocals.lines
|
|
assert truncated_reprlocals.lines[0] == "l = [0, 1, 2, 3, 4, 5, ...]"
|
|
|
|
q = FormattedExcinfo(showlocals=True, truncate_locals=False)
|
|
full_reprlocals = q.repr_locals(loc)
|
|
assert full_reprlocals.lines
|
|
assert full_reprlocals.lines[0] == "l = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]"
|
|
|
|
def test_repr_tracebackentry_lines(self, importasmod):
|
|
mod = importasmod(
|
|
"""
|
|
def func1():
|
|
raise ValueError("hello\\nworld")
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.func1)
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
p = FormattedExcinfo()
|
|
reprtb = p.repr_traceback_entry(excinfo.traceback[-1])
|
|
|
|
# test as intermittent entry
|
|
lines = reprtb.lines
|
|
assert lines[0] == " def func1():"
|
|
assert lines[1] == '> raise ValueError("hello\\nworld")'
|
|
|
|
# test as last entry
|
|
p = FormattedExcinfo(showlocals=True)
|
|
repr_entry = p.repr_traceback_entry(excinfo.traceback[-1], excinfo)
|
|
lines = repr_entry.lines
|
|
assert lines[0] == " def func1():"
|
|
assert lines[1] == '> raise ValueError("hello\\nworld")'
|
|
assert lines[2] == "E ValueError: hello"
|
|
assert lines[3] == "E world"
|
|
assert not lines[4:]
|
|
|
|
loc = repr_entry.reprlocals is not None
|
|
loc = repr_entry.reprfileloc
|
|
assert loc.path == mod.__file__
|
|
assert loc.lineno == 3
|
|
# assert loc.message == "ValueError: hello"
|
|
|
|
def test_repr_tracebackentry_lines2(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def func1(m, x, y, z):
|
|
raise ValueError("hello\\nworld")
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.func1, "m" * 90, 5, 13, "z" * 120)
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
entry = excinfo.traceback[-1]
|
|
p = FormattedExcinfo(funcargs=True)
|
|
reprfuncargs = p.repr_args(entry)
|
|
assert reprfuncargs.args[0] == ("m", repr("m" * 90))
|
|
assert reprfuncargs.args[1] == ("x", "5")
|
|
assert reprfuncargs.args[2] == ("y", "13")
|
|
assert reprfuncargs.args[3] == ("z", repr("z" * 120))
|
|
|
|
p = FormattedExcinfo(funcargs=True)
|
|
repr_entry = p.repr_traceback_entry(entry)
|
|
assert repr_entry.reprfuncargs.args == reprfuncargs.args
|
|
repr_entry.toterminal(tw_mock)
|
|
assert tw_mock.lines[0] == "m = " + repr("m" * 90)
|
|
assert tw_mock.lines[1] == "x = 5, y = 13"
|
|
assert tw_mock.lines[2] == "z = " + repr("z" * 120)
|
|
|
|
def test_repr_tracebackentry_lines_var_kw_args(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def func1(x, *y, **z):
|
|
raise ValueError("hello\\nworld")
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.func1, "a", "b", c="d")
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
entry = excinfo.traceback[-1]
|
|
p = FormattedExcinfo(funcargs=True)
|
|
reprfuncargs = p.repr_args(entry)
|
|
assert reprfuncargs.args[0] == ("x", repr("a"))
|
|
assert reprfuncargs.args[1] == ("y", repr(("b",)))
|
|
assert reprfuncargs.args[2] == ("z", repr({"c": "d"}))
|
|
|
|
p = FormattedExcinfo(funcargs=True)
|
|
repr_entry = p.repr_traceback_entry(entry)
|
|
assert repr_entry.reprfuncargs.args == reprfuncargs.args
|
|
repr_entry.toterminal(tw_mock)
|
|
assert tw_mock.lines[0] == "x = 'a', y = ('b',), z = {'c': 'd'}"
|
|
|
|
def test_repr_tracebackentry_short(self, importasmod):
|
|
mod = importasmod(
|
|
"""
|
|
def func1():
|
|
raise ValueError("hello")
|
|
def entry():
|
|
func1()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.entry)
|
|
p = FormattedExcinfo(style="short")
|
|
reprtb = p.repr_traceback_entry(excinfo.traceback[-2])
|
|
lines = reprtb.lines
|
|
basename = py.path.local(mod.__file__).basename
|
|
assert lines[0] == " func1()"
|
|
assert basename in str(reprtb.reprfileloc.path)
|
|
assert reprtb.reprfileloc.lineno == 5
|
|
|
|
# test last entry
|
|
p = FormattedExcinfo(style="short")
|
|
reprtb = p.repr_traceback_entry(excinfo.traceback[-1], excinfo)
|
|
lines = reprtb.lines
|
|
assert lines[0] == ' raise ValueError("hello")'
|
|
assert lines[1] == "E ValueError: hello"
|
|
assert basename in str(reprtb.reprfileloc.path)
|
|
assert reprtb.reprfileloc.lineno == 3
|
|
|
|
def test_repr_tracebackentry_no(self, importasmod):
|
|
mod = importasmod(
|
|
"""
|
|
def func1():
|
|
raise ValueError("hello")
|
|
def entry():
|
|
func1()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.entry)
|
|
p = FormattedExcinfo(style="no")
|
|
p.repr_traceback_entry(excinfo.traceback[-2])
|
|
|
|
p = FormattedExcinfo(style="no")
|
|
reprentry = p.repr_traceback_entry(excinfo.traceback[-1], excinfo)
|
|
lines = reprentry.lines
|
|
assert lines[0] == "E ValueError: hello"
|
|
assert not lines[1:]
|
|
|
|
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_traceback_short_no_source(self, importasmod, monkeypatch):
|
|
mod = importasmod(
|
|
"""
|
|
def func1():
|
|
raise ValueError("hello")
|
|
def entry():
|
|
func1()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.entry)
|
|
from _pytest._code.code import Code
|
|
|
|
monkeypatch.setattr(Code, "path", "bogus")
|
|
excinfo.traceback[0].frame.code.path = "bogus"
|
|
p = FormattedExcinfo(style="short")
|
|
reprtb = p.repr_traceback_entry(excinfo.traceback[-2])
|
|
lines = reprtb.lines
|
|
last_p = FormattedExcinfo(style="short")
|
|
last_reprtb = last_p.repr_traceback_entry(excinfo.traceback[-1], excinfo)
|
|
last_lines = last_reprtb.lines
|
|
monkeypatch.undo()
|
|
assert lines[0] == " func1()"
|
|
|
|
assert last_lines[0] == ' raise ValueError("hello")'
|
|
assert last_lines[1] == "E ValueError: hello"
|
|
|
|
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)
|
|
|
|
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_excinfo_addouterr(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def entry():
|
|
raise ValueError()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.entry)
|
|
repr = excinfo.getrepr()
|
|
repr.addsection("title", "content")
|
|
repr.toterminal(tw_mock)
|
|
assert tw_mock.lines[-1] == "content"
|
|
assert tw_mock.lines[-2] == ("-", "title")
|
|
|
|
def test_repr_excinfo_reprcrash(self, importasmod):
|
|
mod = importasmod(
|
|
"""
|
|
def entry():
|
|
raise ValueError()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.entry)
|
|
repr = excinfo.getrepr()
|
|
assert repr.reprcrash.path.endswith("mod.py")
|
|
assert repr.reprcrash.lineno == 3
|
|
assert repr.reprcrash.message == "ValueError"
|
|
assert str(repr.reprcrash).endswith("mod.py:3: ValueError")
|
|
|
|
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_reprexcinfo_getrepr(self, importasmod):
|
|
mod = importasmod(
|
|
"""
|
|
def f(x):
|
|
raise ValueError(x)
|
|
def entry():
|
|
f(0)
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.entry)
|
|
|
|
for style in ("short", "long", "no"):
|
|
for showlocals in (True, False):
|
|
repr = excinfo.getrepr(style=style, showlocals=showlocals)
|
|
assert repr.reprtraceback.style == style
|
|
|
|
assert isinstance(repr, ExceptionChainRepr)
|
|
for repr in repr.chain:
|
|
assert repr[0].style == style
|
|
|
|
def test_reprexcinfo_unicode(self):
|
|
from _pytest._code.code import TerminalRepr
|
|
|
|
class MyRepr(TerminalRepr):
|
|
def toterminal(self, tw) -> None:
|
|
tw.line("я")
|
|
|
|
x = str(MyRepr())
|
|
assert x == "я"
|
|
|
|
def test_toterminal_long(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def g(x):
|
|
raise ValueError(x)
|
|
def f():
|
|
g(3)
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.f)
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
repr = excinfo.getrepr()
|
|
repr.toterminal(tw_mock)
|
|
assert tw_mock.lines[0] == ""
|
|
tw_mock.lines.pop(0)
|
|
assert tw_mock.lines[0] == " def f():"
|
|
assert tw_mock.lines[1] == "> g(3)"
|
|
assert tw_mock.lines[2] == ""
|
|
line = tw_mock.get_write_msg(3)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[4] == (":5: ")
|
|
assert tw_mock.lines[5] == ("_ ", None)
|
|
assert tw_mock.lines[6] == ""
|
|
assert tw_mock.lines[7] == " def g(x):"
|
|
assert tw_mock.lines[8] == "> raise ValueError(x)"
|
|
assert tw_mock.lines[9] == "E ValueError: 3"
|
|
assert tw_mock.lines[10] == ""
|
|
line = tw_mock.get_write_msg(11)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[12] == ":3: ValueError"
|
|
|
|
def test_toterminal_long_missing_source(self, importasmod, tmpdir, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def g(x):
|
|
raise ValueError(x)
|
|
def f():
|
|
g(3)
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.f)
|
|
tmpdir.join("mod.py").remove()
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
repr = excinfo.getrepr()
|
|
repr.toterminal(tw_mock)
|
|
assert tw_mock.lines[0] == ""
|
|
tw_mock.lines.pop(0)
|
|
assert tw_mock.lines[0] == "> ???"
|
|
assert tw_mock.lines[1] == ""
|
|
line = tw_mock.get_write_msg(2)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[3] == ":5: "
|
|
assert tw_mock.lines[4] == ("_ ", None)
|
|
assert tw_mock.lines[5] == ""
|
|
assert tw_mock.lines[6] == "> ???"
|
|
assert tw_mock.lines[7] == "E ValueError: 3"
|
|
assert tw_mock.lines[8] == ""
|
|
line = tw_mock.get_write_msg(9)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[10] == ":3: ValueError"
|
|
|
|
def test_toterminal_long_incomplete_source(self, importasmod, tmpdir, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def g(x):
|
|
raise ValueError(x)
|
|
def f():
|
|
g(3)
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.f)
|
|
tmpdir.join("mod.py").write("asdf")
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
repr = excinfo.getrepr()
|
|
repr.toterminal(tw_mock)
|
|
assert tw_mock.lines[0] == ""
|
|
tw_mock.lines.pop(0)
|
|
assert tw_mock.lines[0] == "> ???"
|
|
assert tw_mock.lines[1] == ""
|
|
line = tw_mock.get_write_msg(2)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[3] == ":5: "
|
|
assert tw_mock.lines[4] == ("_ ", None)
|
|
assert tw_mock.lines[5] == ""
|
|
assert tw_mock.lines[6] == "> ???"
|
|
assert tw_mock.lines[7] == "E ValueError: 3"
|
|
assert tw_mock.lines[8] == ""
|
|
line = tw_mock.get_write_msg(9)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[10] == ":3: ValueError"
|
|
|
|
def test_toterminal_long_filenames(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def f():
|
|
raise ValueError()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.f)
|
|
path = py.path.local(mod.__file__)
|
|
old = path.dirpath().chdir()
|
|
try:
|
|
repr = excinfo.getrepr(abspath=False)
|
|
repr.toterminal(tw_mock)
|
|
x = py.path.local().bestrelpath(path)
|
|
if len(x) < len(str(path)):
|
|
msg = tw_mock.get_write_msg(-2)
|
|
assert msg == "mod.py"
|
|
assert tw_mock.lines[-1] == ":3: ValueError"
|
|
|
|
repr = excinfo.getrepr(abspath=True)
|
|
repr.toterminal(tw_mock)
|
|
msg = tw_mock.get_write_msg(-2)
|
|
assert msg == path
|
|
line = tw_mock.lines[-1]
|
|
assert line == ":3: ValueError"
|
|
finally:
|
|
old.chdir()
|
|
|
|
@pytest.mark.parametrize(
|
|
"reproptions",
|
|
[
|
|
{
|
|
"style": style,
|
|
"showlocals": showlocals,
|
|
"funcargs": funcargs,
|
|
"tbfilter": tbfilter,
|
|
}
|
|
for style in ("long", "short", "no")
|
|
for showlocals in (True, False)
|
|
for tbfilter in (True, False)
|
|
for funcargs in (True, False)
|
|
],
|
|
)
|
|
def test_format_excinfo(self, importasmod, reproptions):
|
|
mod = importasmod(
|
|
"""
|
|
def g(x):
|
|
raise ValueError(x)
|
|
def f():
|
|
g(3)
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.f)
|
|
tw = py.io.TerminalWriter(stringio=True)
|
|
repr = excinfo.getrepr(**reproptions)
|
|
repr.toterminal(tw)
|
|
assert tw.stringio.getvalue()
|
|
|
|
def test_traceback_repr_style(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
def f():
|
|
g()
|
|
def g():
|
|
h()
|
|
def h():
|
|
i()
|
|
def i():
|
|
raise ValueError()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ValueError, mod.f)
|
|
excinfo.traceback = excinfo.traceback.filter()
|
|
excinfo.traceback[1].set_repr_style("short")
|
|
excinfo.traceback[2].set_repr_style("short")
|
|
r = excinfo.getrepr(style="long")
|
|
r.toterminal(tw_mock)
|
|
for line in tw_mock.lines:
|
|
print(line)
|
|
assert tw_mock.lines[0] == ""
|
|
assert tw_mock.lines[1] == " def f():"
|
|
assert tw_mock.lines[2] == "> g()"
|
|
assert tw_mock.lines[3] == ""
|
|
msg = tw_mock.get_write_msg(4)
|
|
assert msg.endswith("mod.py")
|
|
assert tw_mock.lines[5] == ":3: "
|
|
assert tw_mock.lines[6] == ("_ ", None)
|
|
tw_mock.get_write_msg(7)
|
|
assert tw_mock.lines[8].endswith("in g")
|
|
assert tw_mock.lines[9] == " h()"
|
|
tw_mock.get_write_msg(10)
|
|
assert tw_mock.lines[11].endswith("in h")
|
|
assert tw_mock.lines[12] == " i()"
|
|
assert tw_mock.lines[13] == ("_ ", None)
|
|
assert tw_mock.lines[14] == ""
|
|
assert tw_mock.lines[15] == " def i():"
|
|
assert tw_mock.lines[16] == "> raise ValueError()"
|
|
assert tw_mock.lines[17] == "E ValueError"
|
|
assert tw_mock.lines[18] == ""
|
|
msg = tw_mock.get_write_msg(19)
|
|
msg.endswith("mod.py")
|
|
assert tw_mock.lines[20] == ":9: ValueError"
|
|
|
|
def test_exc_chain_repr(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
class Err(Exception):
|
|
pass
|
|
def f():
|
|
try:
|
|
g()
|
|
except Exception as e:
|
|
raise Err() from e
|
|
finally:
|
|
h()
|
|
def g():
|
|
raise ValueError()
|
|
|
|
def h():
|
|
raise AttributeError()
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(AttributeError, mod.f)
|
|
r = excinfo.getrepr(style="long")
|
|
r.toterminal(tw_mock)
|
|
for line in tw_mock.lines:
|
|
print(line)
|
|
assert tw_mock.lines[0] == ""
|
|
assert tw_mock.lines[1] == " def f():"
|
|
assert tw_mock.lines[2] == " try:"
|
|
assert tw_mock.lines[3] == "> g()"
|
|
assert tw_mock.lines[4] == ""
|
|
line = tw_mock.get_write_msg(5)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[6] == ":6: "
|
|
assert tw_mock.lines[7] == ("_ ", None)
|
|
assert tw_mock.lines[8] == ""
|
|
assert tw_mock.lines[9] == " def g():"
|
|
assert tw_mock.lines[10] == "> raise ValueError()"
|
|
assert tw_mock.lines[11] == "E ValueError"
|
|
assert tw_mock.lines[12] == ""
|
|
line = tw_mock.get_write_msg(13)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[14] == ":12: ValueError"
|
|
assert tw_mock.lines[15] == ""
|
|
assert (
|
|
tw_mock.lines[16]
|
|
== "The above exception was the direct cause of the following exception:"
|
|
)
|
|
assert tw_mock.lines[17] == ""
|
|
assert tw_mock.lines[18] == " def f():"
|
|
assert tw_mock.lines[19] == " try:"
|
|
assert tw_mock.lines[20] == " g()"
|
|
assert tw_mock.lines[21] == " except Exception as e:"
|
|
assert tw_mock.lines[22] == "> raise Err() from e"
|
|
assert tw_mock.lines[23] == "E test_exc_chain_repr0.mod.Err"
|
|
assert tw_mock.lines[24] == ""
|
|
line = tw_mock.get_write_msg(25)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[26] == ":8: Err"
|
|
assert tw_mock.lines[27] == ""
|
|
assert (
|
|
tw_mock.lines[28]
|
|
== "During handling of the above exception, another exception occurred:"
|
|
)
|
|
assert tw_mock.lines[29] == ""
|
|
assert tw_mock.lines[30] == " def f():"
|
|
assert tw_mock.lines[31] == " try:"
|
|
assert tw_mock.lines[32] == " g()"
|
|
assert tw_mock.lines[33] == " except Exception as e:"
|
|
assert tw_mock.lines[34] == " raise Err() from e"
|
|
assert tw_mock.lines[35] == " finally:"
|
|
assert tw_mock.lines[36] == "> h()"
|
|
assert tw_mock.lines[37] == ""
|
|
line = tw_mock.get_write_msg(38)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[39] == ":10: "
|
|
assert tw_mock.lines[40] == ("_ ", None)
|
|
assert tw_mock.lines[41] == ""
|
|
assert tw_mock.lines[42] == " def h():"
|
|
assert tw_mock.lines[43] == "> raise AttributeError()"
|
|
assert tw_mock.lines[44] == "E AttributeError"
|
|
assert tw_mock.lines[45] == ""
|
|
line = tw_mock.get_write_msg(46)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[47] == ":15: AttributeError"
|
|
|
|
@pytest.mark.parametrize("mode", ["from_none", "explicit_suppress"])
|
|
def test_exc_repr_chain_suppression(self, importasmod, mode, tw_mock):
|
|
"""Check that exc repr does not show chained exceptions in Python 3.
|
|
- When the exception is raised with "from None"
|
|
- Explicitly suppressed with "chain=False" to ExceptionInfo.getrepr().
|
|
"""
|
|
raise_suffix = " from None" if mode == "from_none" else ""
|
|
mod = importasmod(
|
|
"""
|
|
def f():
|
|
try:
|
|
g()
|
|
except Exception:
|
|
raise AttributeError(){raise_suffix}
|
|
def g():
|
|
raise ValueError()
|
|
""".format(
|
|
raise_suffix=raise_suffix
|
|
)
|
|
)
|
|
excinfo = pytest.raises(AttributeError, mod.f)
|
|
r = excinfo.getrepr(style="long", chain=mode != "explicit_suppress")
|
|
r.toterminal(tw_mock)
|
|
for line in tw_mock.lines:
|
|
print(line)
|
|
assert tw_mock.lines[0] == ""
|
|
assert tw_mock.lines[1] == " def f():"
|
|
assert tw_mock.lines[2] == " try:"
|
|
assert tw_mock.lines[3] == " g()"
|
|
assert tw_mock.lines[4] == " except Exception:"
|
|
assert tw_mock.lines[5] == "> raise AttributeError(){}".format(
|
|
raise_suffix
|
|
)
|
|
assert tw_mock.lines[6] == "E AttributeError"
|
|
assert tw_mock.lines[7] == ""
|
|
line = tw_mock.get_write_msg(8)
|
|
assert line.endswith("mod.py")
|
|
assert tw_mock.lines[9] == ":6: AttributeError"
|
|
assert len(tw_mock.lines) == 10
|
|
|
|
@pytest.mark.parametrize(
|
|
"reason, description",
|
|
[
|
|
pytest.param(
|
|
"cause",
|
|
"The above exception was the direct cause of the following exception:",
|
|
id="cause",
|
|
),
|
|
pytest.param(
|
|
"context",
|
|
"During handling of the above exception, another exception occurred:",
|
|
id="context",
|
|
),
|
|
],
|
|
)
|
|
def test_exc_chain_repr_without_traceback(self, importasmod, reason, description):
|
|
"""
|
|
Handle representation of exception chains where one of the exceptions doesn't have a
|
|
real traceback, such as those raised in a subprocess submitted by the multiprocessing
|
|
module (#1984).
|
|
"""
|
|
from _pytest.pytester import LineMatcher
|
|
|
|
exc_handling_code = " from e" if reason == "cause" else ""
|
|
mod = importasmod(
|
|
"""
|
|
def f():
|
|
try:
|
|
g()
|
|
except Exception as e:
|
|
raise RuntimeError('runtime problem'){exc_handling_code}
|
|
def g():
|
|
raise ValueError('invalid value')
|
|
""".format(
|
|
exc_handling_code=exc_handling_code
|
|
)
|
|
)
|
|
|
|
with pytest.raises(RuntimeError) as excinfo:
|
|
mod.f()
|
|
|
|
# emulate the issue described in #1984
|
|
attr = "__%s__" % reason
|
|
getattr(excinfo.value, attr).__traceback__ = None
|
|
|
|
r = excinfo.getrepr()
|
|
tw = py.io.TerminalWriter(stringio=True)
|
|
tw.hasmarkup = False
|
|
r.toterminal(tw)
|
|
|
|
matcher = LineMatcher(tw.stringio.getvalue().splitlines())
|
|
matcher.fnmatch_lines(
|
|
[
|
|
"ValueError: invalid value",
|
|
description,
|
|
"* except Exception as e:",
|
|
"> * raise RuntimeError('runtime problem')" + exc_handling_code,
|
|
"E *RuntimeError: runtime problem",
|
|
]
|
|
)
|
|
|
|
def test_exc_chain_repr_cycle(self, importasmod, tw_mock):
|
|
mod = importasmod(
|
|
"""
|
|
class Err(Exception):
|
|
pass
|
|
def fail():
|
|
return 0 / 0
|
|
def reraise():
|
|
try:
|
|
fail()
|
|
except ZeroDivisionError as e:
|
|
raise Err() from e
|
|
def unreraise():
|
|
try:
|
|
reraise()
|
|
except Err as e:
|
|
raise e.__cause__
|
|
"""
|
|
)
|
|
excinfo = pytest.raises(ZeroDivisionError, mod.unreraise)
|
|
r = excinfo.getrepr(style="short")
|
|
r.toterminal(tw_mock)
|
|
out = "\n".join(line for line in tw_mock.lines if isinstance(line, str))
|
|
expected_out = textwrap.dedent(
|
|
"""\
|
|
:13: in unreraise
|
|
reraise()
|
|
:10: in reraise
|
|
raise Err() from e
|
|
E test_exc_chain_repr_cycle0.mod.Err
|
|
|
|
During handling of the above exception, another exception occurred:
|
|
:15: in unreraise
|
|
raise e.__cause__
|
|
:8: in reraise
|
|
fail()
|
|
:5: in fail
|
|
return 0 / 0
|
|
E ZeroDivisionError: division by zero"""
|
|
)
|
|
assert out == expected_out
|
|
|
|
|
|
@pytest.mark.parametrize("style", ["short", "long"])
|
|
@pytest.mark.parametrize("encoding", [None, "utf8", "utf16"])
|
|
def test_repr_traceback_with_unicode(style, encoding):
|
|
msg = "☹"
|
|
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_cwd_deleted(testdir):
|
|
testdir.makepyfile(
|
|
"""
|
|
def test(tmpdir):
|
|
tmpdir.chdir()
|
|
tmpdir.remove()
|
|
assert False
|
|
"""
|
|
)
|
|
result = testdir.runpytest()
|
|
result.stdout.fnmatch_lines(["* 1 failed in *"])
|
|
result.stdout.no_fnmatch_line("*INTERNALERROR*")
|
|
result.stderr.no_fnmatch_line("*INTERNALERROR*")
|
|
|
|
|
|
@pytest.mark.usefixtures("limited_recursion_depth")
|
|
def test_exception_repr_extraction_error_on_recursion():
|
|
"""
|
|
Ensure we can properly detect a recursion error even
|
|
if some locals raise error on comparison (#2459).
|
|
"""
|
|
from _pytest.pytester import LineMatcher
|
|
|
|
class numpy_like:
|
|
def __eq__(self, other):
|
|
if type(other) is numpy_like:
|
|
raise ValueError(
|
|
"The truth value of an array "
|
|
"with more than one element is ambiguous."
|
|
)
|
|
|
|
def a(x):
|
|
return b(numpy_like())
|
|
|
|
def b(x):
|
|
return a(numpy_like())
|
|
|
|
with pytest.raises(RuntimeError) as excinfo:
|
|
a(numpy_like())
|
|
|
|
matcher = LineMatcher(str(excinfo.getrepr()).splitlines())
|
|
matcher.fnmatch_lines(
|
|
[
|
|
"!!! Recursion error detected, but an error occurred locating the origin of recursion.",
|
|
"*The following exception happened*",
|
|
"*ValueError: The truth value of an array*",
|
|
]
|
|
)
|
|
|
|
|
|
@pytest.mark.usefixtures("limited_recursion_depth")
|
|
def test_no_recursion_index_on_recursion_error():
|
|
"""
|
|
Ensure that we don't break in case we can't find the recursion index
|
|
during a recursion error (#2486).
|
|
"""
|
|
|
|
class RecursionDepthError:
|
|
def __getattr__(self, attr):
|
|
return getattr(self, "_" + attr)
|
|
|
|
with pytest.raises(RuntimeError) as excinfo:
|
|
RecursionDepthError().trigger
|
|
assert "maximum recursion" in str(excinfo.getrepr())
|