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test_excinfo.py
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test_excinfo.py
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# -*- coding: utf-8 -*-
from __future__ import absolute_import, division, print_function
import operator
import os
import sys
import _pytest
import py
import pytest
from _pytest._code.code import (
ExceptionInfo,
FormattedExcinfo,
ReprExceptionInfo,
ExceptionChainRepr,
)
from six.moves import queue
from test_source import astonly
try:
import importlib
except ImportError:
invalidate_import_caches = None
else:
invalidate_import_caches = getattr(importlib, "invalidate_caches", None)
failsonjython = pytest.mark.xfail("sys.platform.startswith('java')")
pytest_version_info = tuple(map(int, pytest.__version__.split(".")[:3]))
class TWMock(object):
WRITE = object()
def __init__(self):
self.lines = []
self.is_writing = False
def sep(self, sep, line=None):
self.lines.append((sep, line))
def write(self, msg, **kw):
self.lines.append((TWMock.WRITE, msg))
def line(self, line, **kw):
self.lines.append(line)
def markup(self, text, **kw):
return text
def get_write_msg(self, idx):
flag, msg = self.lines[idx]
assert flag == TWMock.WRITE
return msg
fullwidth = 80
def test_excinfo_simple():
try:
raise ValueError
except ValueError:
info = _pytest._code.ExceptionInfo()
assert info.type == ValueError
def test_excinfo_getstatement():
def g():
raise ValueError
def f():
g()
try:
f()
except ValueError:
excinfo = _pytest._code.ExceptionInfo()
linenumbers = [
_pytest._code.getrawcode(f).co_firstlineno - 1 + 4,
_pytest._code.getrawcode(f).co_firstlineno - 1 + 1,
_pytest._code.getrawcode(g).co_firstlineno - 1 + 1,
]
values = list(excinfo.traceback)
foundlinenumbers = [x.lineno for x in values]
assert foundlinenumbers == linenumbers
# for x in info:
# print "%s:%d %s" %(x.path.relto(root), x.lineno, x.statement)
# xxx
# testchain for getentries test below
def f():
#
raise ValueError
#
def g():
#
__tracebackhide__ = True
f()
#
def h():
#
g()
#
class TestTraceback_f_g_h(object):
def setup_method(self, method):
try:
h()
except ValueError:
self.excinfo = _pytest._code.ExceptionInfo()
def test_traceback_entries(self):
tb = self.excinfo.traceback
entries = list(tb)
assert len(tb) == 4 # maybe fragile test
assert len(entries) == 4 # maybe fragile test
names = ["f", "g", "h"]
for entry in entries:
try:
names.remove(entry.frame.code.name)
except ValueError:
pass
assert not names
def test_traceback_entry_getsource(self):
tb = self.excinfo.traceback
s = str(tb[-1].getsource())
assert s.startswith("def f():")
assert s.endswith("raise ValueError")
@astonly
@failsonjython
def test_traceback_entry_getsource_in_construct(self):
source = _pytest._code.Source(
"""\
def xyz():
try:
raise ValueError
except somenoname:
pass
xyz()
"""
)
try:
exec(source.compile())
except NameError:
tb = _pytest._code.ExceptionInfo().traceback
print(tb[-1].getsource())
s = str(tb[-1].getsource())
assert s.startswith("def xyz():\n try:")
assert s.strip().endswith("except somenoname:")
def test_traceback_cut(self):
co = _pytest._code.Code(f)
path, firstlineno = co.path, co.firstlineno
traceback = self.excinfo.traceback
newtraceback = traceback.cut(path=path, firstlineno=firstlineno)
assert len(newtraceback) == 1
newtraceback = traceback.cut(path=path, lineno=firstlineno + 2)
assert len(newtraceback) == 1
def test_traceback_cut_excludepath(self, testdir):
p = testdir.makepyfile("def f(): raise ValueError")
excinfo = pytest.raises(ValueError, "p.pyimport().f()")
basedir = py.path.local(pytest.__file__).dirpath()
newtraceback = excinfo.traceback.cut(excludepath=basedir)
for x in newtraceback:
if hasattr(x, "path"):
assert not py.path.local(x.path).relto(basedir)
assert newtraceback[-1].frame.code.path == p
def test_traceback_filter(self):
traceback = self.excinfo.traceback
ntraceback = traceback.filter()
assert len(ntraceback) == len(traceback) - 1
@pytest.mark.parametrize(
"tracebackhide, matching",
[
(lambda info: True, True),
(lambda info: False, False),
(operator.methodcaller("errisinstance", ValueError), True),
(operator.methodcaller("errisinstance", IndexError), False),
],
)
def test_traceback_filter_selective(self, tracebackhide, matching):
def f():
#
raise ValueError
#
def g():
#
__tracebackhide__ = tracebackhide
f()
#
def h():
#
g()
#
excinfo = pytest.raises(ValueError, h)
traceback = excinfo.traceback
ntraceback = traceback.filter()
print("old: {!r}".format(traceback))
print("new: {!r}".format(ntraceback))
if matching:
assert len(ntraceback) == len(traceback) - 2
else:
# -1 because of the __tracebackhide__ in pytest.raises
assert len(ntraceback) == len(traceback) - 1
def test_traceback_recursion_index(self):
def f(n):
if n < 10:
n += 1
f(n)
excinfo = pytest.raises(RuntimeError, f, 8)
traceback = excinfo.traceback
recindex = traceback.recursionindex()
assert recindex == 3
def test_traceback_only_specific_recursion_errors(self, monkeypatch):
def f(n):
if n == 0:
raise RuntimeError("hello")
f(n - 1)
excinfo = pytest.raises(RuntimeError, f, 100)
monkeypatch.delattr(excinfo.traceback.__class__, "recursionindex")
repr = excinfo.getrepr()
assert "RuntimeError: hello" in str(repr.reprcrash)
def test_traceback_no_recursion_index(self):
def do_stuff():
raise RuntimeError
def reraise_me():
import sys
exc, val, tb = sys.exc_info()
py.builtin._reraise(exc, val, tb)
def f(n):
try:
do_stuff()
except: # noqa
reraise_me()
excinfo = pytest.raises(RuntimeError, f, 8)
traceback = excinfo.traceback
recindex = traceback.recursionindex()
assert recindex is None
def test_traceback_messy_recursion(self):
# XXX: simplified locally testable version
decorator = pytest.importorskip("decorator").decorator
def log(f, *k, **kw):
print("%s %s" % (k, kw))
f(*k, **kw)
log = decorator(log)
def fail():
raise ValueError("")
fail = log(log(fail))
excinfo = pytest.raises(ValueError, fail)
assert excinfo.traceback.recursionindex() is None
def test_traceback_getcrashentry(self):
def i():
__tracebackhide__ = True
raise ValueError
def h():
i()
def g():
__tracebackhide__ = True
h()
def f():
g()
excinfo = pytest.raises(ValueError, f)
tb = excinfo.traceback
entry = tb.getcrashentry()
co = _pytest._code.Code(h)
assert entry.frame.code.path == co.path
assert entry.lineno == co.firstlineno + 1
assert entry.frame.code.name == "h"
def test_traceback_getcrashentry_empty(self):
def g():
__tracebackhide__ = True
raise ValueError
def f():
__tracebackhide__ = True
g()
excinfo = pytest.raises(ValueError, f)
tb = excinfo.traceback
entry = tb.getcrashentry()
co = _pytest._code.Code(g)
assert entry.frame.code.path == co.path
assert entry.lineno == co.firstlineno + 2
assert entry.frame.code.name == "g"
def test_excinfo_exconly():
excinfo = pytest.raises(ValueError, h)
assert excinfo.exconly().startswith("ValueError")
excinfo = pytest.raises(ValueError, "raise ValueError('hello\\nworld')")
msg = excinfo.exconly(tryshort=True)
assert msg.startswith("ValueError")
assert msg.endswith("world")
def test_excinfo_repr():
excinfo = pytest.raises(ValueError, h)
s = repr(excinfo)
assert s == "<ExceptionInfo ValueError tblen=4>"
def test_excinfo_str():
excinfo = pytest.raises(ValueError, h)
s = str(excinfo)
assert s.startswith(__file__[:-9]) # pyc file and $py.class
assert s.endswith("ValueError")
assert len(s.split(":")) >= 3 # on windows it's 4
def test_excinfo_errisinstance():
excinfo = pytest.raises(ValueError, h)
assert excinfo.errisinstance(ValueError)
def test_excinfo_no_sourcecode():
try:
exec("raise ValueError()")
except ValueError:
excinfo = _pytest._code.ExceptionInfo()
s = str(excinfo.traceback[-1])
assert s == " File '<string>':1 in <module>\n ???\n"
def test_excinfo_no_python_sourcecode(tmpdir):
# XXX: simplified locally testable version
tmpdir.join("test.txt").write("{{ h()}}:")
jinja2 = pytest.importorskip("jinja2")
loader = jinja2.FileSystemLoader(str(tmpdir))
env = jinja2.Environment(loader=loader)
template = env.get_template("test.txt")
excinfo = pytest.raises(ValueError, template.render, h=h)
for item in excinfo.traceback:
print(item) # XXX: for some reason jinja.Template.render is printed in full
item.source # shouldnt fail
if item.path.basename == "test.txt":
assert str(item.source) == "{{ h()}}:"
def test_entrysource_Queue_example():
try:
queue.Queue().get(timeout=0.001)
except queue.Empty:
excinfo = _pytest._code.ExceptionInfo()
entry = excinfo.traceback[-1]
source = entry.getsource()
assert source is not None
s = str(source).strip()
assert s.startswith("def get")
def test_codepath_Queue_example():
try:
queue.Queue().get(timeout=0.001)
except queue.Empty:
excinfo = _pytest._code.ExceptionInfo()
entry = excinfo.traceback[-1]
path = entry.path
assert isinstance(path, py.path.local)
assert path.basename.lower() == "queue.py"
assert path.check()
def test_match_succeeds():
with pytest.raises(ZeroDivisionError) as excinfo:
0 // 0
excinfo.match(r".*zero.*")
def test_match_raises_error(testdir):
testdir.makepyfile(
"""
import pytest
def test_division_zero():
with pytest.raises(ZeroDivisionError) as excinfo:
0 / 0
excinfo.match(r'[123]+')
"""
)
result = testdir.runpytest()
assert result.ret != 0
result.stdout.fnmatch_lines(["*AssertionError*Pattern*[123]*not found*"])
class TestFormattedExcinfo(object):
@pytest.fixture
def importasmod(self, request):
def importasmod(source):
source = _pytest._code.Source(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()
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()
repr = pr.repr_excinfo(excinfo)
assert repr.reprtraceback.reprentries[1].lines[0] == "> ???"
if sys.version_info[0] >= 3:
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()
repr = pr.repr_excinfo(excinfo)
assert repr.reprtraceback.reprentries[1].lines[0] == "> ???"
if sys.version_info[0] >= 3:
assert repr.chain[0][0].reprentries[1].lines[0] == "> ???"
def test_repr_source_failing_fullsource(self):
pr = FormattedExcinfo()
class FakeCode(object):
class raw(object):
co_filename = "?"
path = "?"
firstlineno = 5
def fullsource(self):
return None
fullsource = property(fullsource)
class FakeFrame(object):
code = FakeCode()
f_locals = {}
f_globals = {}
class FakeTracebackEntry(_pytest._code.Traceback.Entry):
def __init__(self, tb, excinfo=None):
self.lineno = 5 + 3
@property
def frame(self):
return FakeFrame()
class Traceback(_pytest._code.Traceback):
Entry = FakeTracebackEntry
class FakeExcinfo(_pytest._code.ExceptionInfo):
typename = "Foo"
value = Exception()
def __init__(self):
pass
def exconly(self, tryshort):
return "EXC"
def errisinstance(self, cls):
return False
excinfo = FakeExcinfo()
class FakeRawTB(object):
tb_next = None
tb = FakeRawTB()
excinfo.traceback = Traceback(tb)
fail = IOError()
repr = pr.repr_excinfo(excinfo)
assert repr.reprtraceback.reprentries[0].lines[0] == "> ???"
if sys.version_info[0] >= 3:
assert repr.chain[0][0].reprentries[0].lines[0] == "> ???"
fail = py.error.ENOENT # noqa
repr = pr.repr_excinfo(excinfo)
assert repr.reprtraceback.reprentries[0].lines[0] == "> ???"
if sys.version_info[0] >= 3:
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_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):
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
tw = TWMock()
repr_entry.toterminal(tw)
assert tw.lines[0] == "m = " + repr("m" * 90)
assert tw.lines[1] == "x = 5, y = 13"
assert tw.lines[2] == "z = " + repr("z" * 120)
def test_repr_tracebackentry_lines_var_kw_args(self, importasmod):
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
tw = TWMock()
repr_entry.toterminal(tw)
assert tw.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)
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_excinfo_addouterr(self, importasmod):
mod = importasmod(
"""
def entry():
raise ValueError()
"""
)
excinfo = pytest.raises(ValueError, mod.entry)
repr = excinfo.getrepr()
repr.addsection("title", "content")
twmock = TWMock()
repr.toterminal(twmock)
assert twmock.lines[-1] == "content"
assert twmock.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)
if sys.version_info[0] < 3:
assert isinstance(repr, ReprExceptionInfo)
assert repr.reprtraceback.style == style
if sys.version_info[0] >= 3:
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):
tw.line(py.builtin._totext("я", "utf-8"))
x = py.builtin._totext(MyRepr())
assert x == py.builtin._totext("я", "utf-8")
def test_toterminal_long(self, importasmod):
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()
tw = TWMock()
repr.toterminal(tw)
assert tw.lines[0] == ""
tw.lines.pop(0)
assert tw.lines[0] == " def f():"
assert tw.lines[1] == "> g(3)"
assert tw.lines[2] == ""
line = tw.get_write_msg(3)
assert line.endswith("mod.py")
assert tw.lines[4] == (":5: ")
assert tw.lines[5] == ("_ ", None)
assert tw.lines[6] == ""
assert tw.lines[7] == " def g(x):"
assert tw.lines[8] == "> raise ValueError(x)"
assert tw.lines[9] == "E ValueError: 3"
assert tw.lines[10] == ""
line = tw.get_write_msg(11)
assert line.endswith("mod.py")
assert tw.lines[12] == ":3: ValueError"
def test_toterminal_long_missing_source(self, importasmod, tmpdir):
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()
tw = TWMock()
repr.toterminal(tw)
assert tw.lines[0] == ""
tw.lines.pop(0)
assert tw.lines[0] == "> ???"
assert tw.lines[1] == ""
line = tw.get_write_msg(2)
assert line.endswith("mod.py")
assert tw.lines[3] == ":5: "
assert tw.lines[4] == ("_ ", None)
assert tw.lines[5] == ""
assert tw.lines[6] == "> ???"
assert tw.lines[7] == "E ValueError: 3"
assert tw.lines[8] == ""
line = tw.get_write_msg(9)
assert line.endswith("mod.py")
assert tw.lines[10] == ":3: ValueError"
def test_toterminal_long_incomplete_source(self, importasmod, tmpdir):
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()
tw = TWMock()
repr.toterminal(tw)
assert tw.lines[0] == ""
tw.lines.pop(0)
assert tw.lines[0] == "> ???"
assert tw.lines[1] == ""
line = tw.get_write_msg(2)
assert line.endswith("mod.py")
assert tw.lines[3] == ":5: "
assert tw.lines[4] == ("_ ", None)
assert tw.lines[5] == ""
assert tw.lines[6] == "> ???"
assert tw.lines[7] == "E ValueError: 3"
assert tw.lines[8] == ""
line = tw.get_write_msg(9)
assert line.endswith("mod.py")
assert tw.lines[10] == ":3: ValueError"
def test_toterminal_long_filenames(self, importasmod):
mod = importasmod(
"""
def f():
raise ValueError()
"""
)
excinfo = pytest.raises(ValueError, mod.f)
tw = TWMock()
path = py.path.local(mod.__file__)
old = path.dirpath().chdir()
try:
repr = excinfo.getrepr(abspath=False)
repr.toterminal(tw)
x = py.path.local().bestrelpath(path)