test_ok1/testing/code/test_excinfo.py

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# -*- coding: utf-8 -*-
import _pytest
import py
import pytest
from _pytest._code.code import FormattedExcinfo, ReprExceptionInfo
queue = py.builtin._tryimport('queue', 'Queue')
failsonjython = pytest.mark.xfail("sys.platform.startswith('java')")
from test_source import astonly
try:
import importlib
except ImportError:
invalidate_import_caches = None
else:
invalidate_import_caches = getattr(importlib, "invalidate_caches", None)
import pytest
pytest_version_info = tuple(map(int, pytest.__version__.split(".")[:3]))
class TWMock:
def __init__(self):
self.lines = []
def sep(self, sep, line=None):
self.lines.append((sep, line))
def line(self, line, **kw):
self.lines.append(line)
def markup(self, text, **kw):
return text
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 + 3,
_pytest._code.getrawcode(f).co_firstlineno - 1 + 1,
_pytest._code.getrawcode(g).co_firstlineno - 1 + 1, ]
l = list(excinfo.traceback)
foundlinenumbers = [x.lineno for x in l]
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:
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
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:
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 hello(x):
x + 5
def test_tbentry_reinterpret():
try:
hello("hello")
except TypeError:
excinfo = _pytest._code.ExceptionInfo()
tbentry = excinfo.traceback[-1]
msg = tbentry.reinterpret()
assert msg.startswith("TypeError: ('hello' + 5)")
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])
if py.std.sys.version_info < (2,5):
assert s == " File '<string>':1 in ?\n ???\n"
else:
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()
class TestFormattedExcinfo:
def pytest_funcarg__importasmod(self, request):
def importasmod(source):
source = _pytest._code.Source(source)
tmpdir = request.getfuncargvalue("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:
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 assert 0'
]
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] == "> ???"
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] == "> ???"
def test_repr_source_failing_fullsource(self):
pr = FormattedExcinfo()
class FakeCode(object):
class raw:
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):
self.lineno = 5+3
@property
def frame(self):
return FakeFrame()
class Traceback(_pytest._code.Traceback):
Entry = FakeTracebackEntry
class FakeExcinfo(_pytest._code.ExceptionInfo):
typename = "Foo"
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() # noqa
repr = pr.repr_excinfo(excinfo)
assert repr.reprtraceback.reprentries[0].lines[0] == "> ???"
fail = py.error.ENOENT # noqa
repr = pr.repr_excinfo(excinfo)
assert repr.reprtraceback.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)
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(py.std.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_tb_entry_AssertionError(self, importasmod):
# probably this test is a bit redundant
# as py/magic/testing/test_assertion.py
# already tests correctness of
# assertion-reinterpretation logic
mod = importasmod("""
def somefunc():
x = 1
assert x == 2
""")
excinfo = pytest.raises(AssertionError, mod.somefunc)
p = FormattedExcinfo()
reprentry = p.repr_traceback_entry(excinfo.traceback[-1], excinfo)
lines = reprentry.lines
assert lines[-1] == "E assert 1 == 2"
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 isinstance(repr, ReprExceptionInfo)
assert repr.reprtraceback.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] == ""
assert tw.lines[3].endswith("mod.py:5: ")
assert tw.lines[4] == ("_ ", None)
assert tw.lines[5] == ""
assert tw.lines[6] == " def g(x):"
assert tw.lines[7] == "> raise ValueError(x)"
assert tw.lines[8] == "E ValueError: 3"
assert tw.lines[9] == ""
assert tw.lines[10].endswith("mod.py: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] == ""
assert tw.lines[2].endswith("mod.py:5: ")
assert tw.lines[3] == ("_ ", None)
assert tw.lines[4] == ""
assert tw.lines[5] == "> ???"
assert tw.lines[6] == "E ValueError: 3"
assert tw.lines[7] == ""
assert tw.lines[8].endswith("mod.py: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] == ""
assert tw.lines[2].endswith("mod.py:5: ")
assert tw.lines[3] == ("_ ", None)
assert tw.lines[4] == ""
assert tw.lines[5] == "> ???"
assert tw.lines[6] == "E ValueError: 3"
assert tw.lines[7] == ""
assert tw.lines[8].endswith("mod.py: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)
line = tw.lines[-1]
x = py.path.local().bestrelpath(path)
if len(x) < len(str(path)):
assert line == "mod.py:3: ValueError"
repr = excinfo.getrepr(abspath=True)
repr.toterminal(tw)
line = tw.lines[-1]
assert line == "%s:3: ValueError" %(path,)
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_native_style(self):
excinfo = self.excinfo_from_exec("""
assert 0
""")
repr = excinfo.getrepr(style='native')
assert "assert 0" in str(repr.reprcrash)
s = str(repr)
assert s.startswith('Traceback (most recent call last):\n File')
assert s.endswith('\nAssertionError: assert 0')
assert 'exec (source.compile())' in s
# python 2.4 fails to get the source line for the assert
if py.std.sys.version_info >= (2, 5):
assert s.count('assert 0') == 2
def test_traceback_repr_style(self, importasmod):
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")
tw = TWMock()
r.toterminal(tw)
for line in tw.lines: print (line)
assert tw.lines[0] == ""
assert tw.lines[1] == " def f():"
assert tw.lines[2] == "> g()"
assert tw.lines[3] == ""
assert tw.lines[4].endswith("mod.py:3: ")
assert tw.lines[5] == ("_ ", None)
assert tw.lines[6].endswith("in g")
assert tw.lines[7] == " h()"
assert tw.lines[8].endswith("in h")
assert tw.lines[9] == " i()"
assert tw.lines[10] == ("_ ", None)
assert tw.lines[11] == ""
assert tw.lines[12] == " def i():"
assert tw.lines[13] == "> raise ValueError()"
assert tw.lines[14] == "E ValueError"
assert tw.lines[15] == ""
assert tw.lines[16].endswith("mod.py:9: ValueError")