##// END OF EJS Templates
Fix clashes between debugger tests and coverage.py...
Fix clashes between debugger tests and coverage.py coverage.py works by setting the trace function. But so does the debugger, so we need to re-set it afterwards to get accurate coverage results.

File last commit:

r12167:56603c61
r12286:fab155c9
Show More
test_ultratb.py
115 lines | 3.6 KiB | text/x-python | PythonLexer
# encoding: utf-8
"""Tests for IPython.core.ultratb
"""
import io
import os.path
import unittest
from IPython.testing import tools as tt
from IPython.testing.decorators import onlyif_unicode_paths
from IPython.utils.syspathcontext import prepended_to_syspath
from IPython.utils.tempdir import TemporaryDirectory
ip = get_ipython()
file_1 = """1
2
3
def f():
1/0
"""
file_2 = """def f():
1/0
"""
class ChangedPyFileTest(unittest.TestCase):
def test_changing_py_file(self):
"""Traceback produced if the line where the error occurred is missing?
https://github.com/ipython/ipython/issues/1456
"""
with TemporaryDirectory() as td:
fname = os.path.join(td, "foo.py")
with open(fname, "w") as f:
f.write(file_1)
with prepended_to_syspath(td):
ip.run_cell("import foo")
with tt.AssertPrints("ZeroDivisionError"):
ip.run_cell("foo.f()")
# Make the file shorter, so the line of the error is missing.
with open(fname, "w") as f:
f.write(file_2)
# For some reason, this was failing on the *second* call after
# changing the file, so we call f() twice.
with tt.AssertNotPrints("Internal Python error", channel='stderr'):
with tt.AssertPrints("ZeroDivisionError"):
ip.run_cell("foo.f()")
with tt.AssertPrints("ZeroDivisionError"):
ip.run_cell("foo.f()")
iso_8859_5_file = u'''# coding: iso-8859-5
def fail():
"""дбИЖ"""
1/0 # дбИЖ
'''
class NonAsciiTest(unittest.TestCase):
@onlyif_unicode_paths
def test_nonascii_path(self):
# Non-ascii directory name as well.
with TemporaryDirectory(suffix=u'é') as td:
fname = os.path.join(td, u"fooé.py")
with open(fname, "w") as f:
f.write(file_1)
with prepended_to_syspath(td):
ip.run_cell("import foo")
with tt.AssertPrints("ZeroDivisionError"):
ip.run_cell("foo.f()")
def test_iso8859_5(self):
with TemporaryDirectory() as td:
fname = os.path.join(td, 'dfghjkl.py')
with io.open(fname, 'w', encoding='iso-8859-5') as f:
f.write(iso_8859_5_file)
with prepended_to_syspath(td):
ip.run_cell("from dfghjkl import fail")
with tt.AssertPrints("ZeroDivisionError"):
with tt.AssertPrints(u'дбИЖ', suppress=False):
ip.run_cell('fail()')
indentationerror_file = """if True:
zoon()
"""
class IndentationErrorTest(unittest.TestCase):
def test_indentationerror_shows_line(self):
# See issue gh-2398
with tt.AssertPrints("IndentationError"):
with tt.AssertPrints("zoon()", suppress=False):
ip.run_cell(indentationerror_file)
with TemporaryDirectory() as td:
fname = os.path.join(td, "foo.py")
with open(fname, "w") as f:
f.write(indentationerror_file)
with tt.AssertPrints("IndentationError"):
with tt.AssertPrints("zoon()", suppress=False):
ip.magic('run %s' % fname)
class SyntaxErrorTest(unittest.TestCase):
def test_syntaxerror_without_lineno(self):
with tt.AssertNotPrints("TypeError"):
with tt.AssertPrints("line unknown"):
ip.run_cell("raise SyntaxError()")