mirror of
https://github.com/python/cpython.git
synced 2025-11-03 23:21:29 +00:00
57fdcbc60f
prepends the exception's module name to non-builtin exceptions, like the interpreter itself does. broke a number of doctests. should be discussed before checking in (see discussion on python-dev).
111 lines
3.7 KiB
Python
111 lines
3.7 KiB
Python
"""Test cases for traceback module"""
|
|
|
|
import unittest
|
|
from test.test_support import run_unittest, is_jython
|
|
|
|
import traceback
|
|
|
|
class TracebackCases(unittest.TestCase):
|
|
# For now, a very minimal set of tests. I want to be sure that
|
|
# formatting of SyntaxErrors works based on changes for 2.1.
|
|
|
|
def get_exception_format(self, func, exc):
|
|
try:
|
|
func()
|
|
except exc, value:
|
|
return traceback.format_exception_only(exc, value)
|
|
else:
|
|
raise ValueError, "call did not raise exception"
|
|
|
|
def syntax_error_with_caret(self):
|
|
compile("def fact(x):\n\treturn x!\n", "?", "exec")
|
|
|
|
def syntax_error_without_caret(self):
|
|
# XXX why doesn't compile raise the same traceback?
|
|
import test.badsyntax_nocaret
|
|
|
|
def syntax_error_bad_indentation(self):
|
|
compile("def spam():\n print 1\n print 2", "?", "exec")
|
|
|
|
def test_caret(self):
|
|
err = self.get_exception_format(self.syntax_error_with_caret,
|
|
SyntaxError)
|
|
self.assert_(len(err) == 4)
|
|
self.assert_("^" in err[2]) # third line has caret
|
|
self.assert_(err[1].strip() == "return x!")
|
|
|
|
def test_nocaret(self):
|
|
if is_jython:
|
|
# jython adds a caret in this case (why shouldn't it?)
|
|
return
|
|
err = self.get_exception_format(self.syntax_error_without_caret,
|
|
SyntaxError)
|
|
self.assert_(len(err) == 3)
|
|
self.assert_(err[1].strip() == "[x for x in x] = x")
|
|
|
|
def test_bad_indentation(self):
|
|
err = self.get_exception_format(self.syntax_error_bad_indentation,
|
|
IndentationError)
|
|
self.assert_(len(err) == 4)
|
|
self.assert_("^" in err[2])
|
|
self.assert_(err[1].strip() == "print 2")
|
|
|
|
def test_bug737473(self):
|
|
import sys, os, tempfile, time
|
|
|
|
savedpath = sys.path[:]
|
|
testdir = tempfile.mkdtemp()
|
|
try:
|
|
sys.path.insert(0, testdir)
|
|
testfile = os.path.join(testdir, 'test_bug737473.py')
|
|
print >> open(testfile, 'w'), """
|
|
def test():
|
|
raise ValueError"""
|
|
|
|
if 'test_bug737473' in sys.modules:
|
|
del sys.modules['test_bug737473']
|
|
import test_bug737473
|
|
|
|
try:
|
|
test_bug737473.test()
|
|
except ValueError:
|
|
# this loads source code to linecache
|
|
traceback.extract_tb(sys.exc_traceback)
|
|
|
|
# If this test runs too quickly, test_bug737473.py's mtime
|
|
# attribute will remain unchanged even if the file is rewritten.
|
|
# Consequently, the file would not reload. So, added a sleep()
|
|
# delay to assure that a new, distinct timestamp is written.
|
|
# Since WinME with FAT32 has multisecond resolution, more than
|
|
# three seconds are needed for this test to pass reliably :-(
|
|
time.sleep(4)
|
|
|
|
print >> open(testfile, 'w'), """
|
|
def test():
|
|
raise NotImplementedError"""
|
|
reload(test_bug737473)
|
|
try:
|
|
test_bug737473.test()
|
|
except NotImplementedError:
|
|
src = traceback.extract_tb(sys.exc_traceback)[-1][-1]
|
|
self.failUnlessEqual(src, 'raise NotImplementedError')
|
|
finally:
|
|
sys.path[:] = savedpath
|
|
for f in os.listdir(testdir):
|
|
os.unlink(os.path.join(testdir, f))
|
|
os.rmdir(testdir)
|
|
|
|
def test_members(self):
|
|
# Covers Python/structmember.c::listmembers()
|
|
try:
|
|
1/0
|
|
except:
|
|
import sys
|
|
sys.exc_traceback.__members__
|
|
|
|
def test_main():
|
|
run_unittest(TracebackCases)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|