def test_tempnam_warning(self):
with stderr_trapper() as trapper:
temp = nt.tempnam()
self.assertTrue(
trapper.messages[0].endswith(
"RuntimeWarning: tempnam is a potential security risk to your program"
), trapper.messages)
def test_syntax_warnings(self):
# syntax error warnings are outputted using warnings.showwarning. our own warning trapper therefore
# doesn't see them. So we trap stderr here instead. We could use CPython's warning trapper if we
# checked for the presence of the stdlib.
with stderr_trapper() as trapper:
compile("def f():\n a = 1\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n def a(): pass\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n for a in []: pass\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n global a\n a = 1\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":4: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n print(a)\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is used prior to global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n a = 1\n global a\n global a\n a = 1", "", "exec")
self.assertEqual(trapper.messages,
[":3: SyntaxWarning: name 'a' is assigned to before global declaration",
":4: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("x = 10\nglobal x\n", "", "exec")
self.assertEqual(trapper.messages, [":2: SyntaxWarning: name 'x' is assigned to before global declaration"])
def test_sanity(self):
global EXPECTED
try:
with stderr_trapper() as output:
# generate test output
_warnings.warn("Warning Message!")
expect(UserWarning, "Warning Message!")
for warn_type in WARN_TYPES:
_warnings.warn(warn_type("Type-overriding message!"),
UnicodeWarning)
expect(warn_type, "Type-overriding message!")
_warnings.warn("Another Warning Message!", warn_type)
expect(warn_type, "Another Warning Message!")
_warnings.warn_explicit("Explicit Warning!", warn_type,
"nonexistent_file.py", 12)
expect(warn_type, "Explicit Warning!")
_warnings.warn_explicit("Explicit Warning!", warn_type,
"test_python26.py", 34)
expect(warn_type, "Explicit Warning!")
_warnings.warn_explicit("Explicit Warning!", warn_type,
"nonexistent_file.py", 56,
"module.py")
expect(warn_type, "Explicit Warning!")
_warnings.warn_explicit("Explicit Warning!", warn_type,
"test_python26.py", 78,
"module.py")
expect(warn_type, "Explicit Warning!")
temp_messages = output.messages
#No point in going further if the number of lines is not what we expect
nlines = len([x for x in temp_messages if not x.startswith(" ")])
self.assertEqual(nlines, len(EXPECTED))
# match lines
for line in temp_messages:
if line.startswith(" "):
continue
temp = EXPECTED.pop(0).rstrip()
self.assertTrue(line.endswith(temp),
str(line) + " does not end with " + temp)
finally:
# remove generated files
cleanup()
def test_sanity(self):
global EXPECTED
try:
with stderr_trapper() as output:
# generate test output
_warnings.warn("Warning Message!")
expect(UserWarning, "Warning Message!")
for warn_type in WARN_TYPES:
_warnings.warn(warn_type("Type-overriding message!"), UnicodeWarning)
expect(warn_type, "Type-overriding message!")
_warnings.warn("Another Warning Message!", warn_type)
expect(warn_type, "Another Warning Message!")
_warnings.warn_explicit("Explicit Warning!", warn_type, "nonexistent_file.py", 12)
expect(warn_type, "Explicit Warning!")
_warnings.warn_explicit("Explicit Warning!", warn_type, "test_python26.py", 34)
expect(warn_type, "Explicit Warning!")
_warnings.warn_explicit("Explicit Warning!", warn_type, "nonexistent_file.py", 56, "module.py")
expect(warn_type, "Explicit Warning!")
_warnings.warn_explicit("Explicit Warning!", warn_type, "test_python26.py", 78, "module.py")
expect(warn_type, "Explicit Warning!")
temp_messages = output.messages
#No point in going further if the number of lines is not what we expect
nlines = len([x for x in temp_messages if not x.startswith(" ")])
self.assertEqual(nlines, len(EXPECTED))
# match lines
for line in temp_messages:
if line.startswith(" "):
continue
temp = EXPECTED.pop(0).rstrip()
self.assertTrue(line.endswith(temp), str(line) + " does not end with " + temp)
finally:
# remove generated files
cleanup()
def test_syntax_warnings(self):
if is_cli or sys.version_info >= (3,6):
with self.assertRaisesRegex(SyntaxError, "name 'a' is assigned to before global declaration") as cm:
compile("def f():\n a = 1\n global a\n", "", "exec")
self.assertEqual(cm.exception.lineno, 3)
with self.assertRaisesRegex(SyntaxError, "name 'a' is assigned to before global declaration") as cm:
compile("def f():\n def a(): pass\n global a\n", "", "exec")
self.assertEqual(cm.exception.lineno, 3)
with self.assertRaisesRegex(SyntaxError, "name 'a' is assigned to before global declaration") as cm:
compile("def f():\n for a in []: pass\n global a\n", "", "exec")
self.assertEqual(cm.exception.lineno, 3)
with self.assertRaisesRegex(SyntaxError, "name 'a' is used prior to global declaration" if is_cli else "name 'a' is assigned to before global declaration") as cm:
compile("def f():\n global a\n a = 1\n global a\n", "", "exec")
self.assertEqual(cm.exception.lineno, 4)
with self.assertRaisesRegex(SyntaxError, "name 'a' is used prior to global declaration") as cm:
compile("def f():\n print(a)\n global a\n", "", "exec")
self.assertEqual(cm.exception.lineno, 3)
with self.assertRaisesRegex(SyntaxError, "name 'a' is assigned to before global declaration") as cm:
compile("def f():\n a = 1\n global a\n global a\n a = 1", "", "exec")
self.assertEqual(cm.exception.lineno, 3)
with self.assertRaisesRegex(SyntaxError, "name 'x' is assigned to before global declaration") as cm:
compile("x = 10\nglobal x\n", "", "exec")
self.assertEqual(cm.exception.lineno, 2)
else:
# syntax error warnings are outputted using warnings.showwarning. our own warning trapper therefore
# doesn't see them. So we trap stderr here instead. We could use CPython's warning trapper if we
# checked for the presence of the stdlib.
with stderr_trapper() as trapper:
compile("def f():\n a = 1\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n def a(): pass\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n for a in []: pass\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n global a\n a = 1\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":4: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n print(a)\n global a\n", "", "exec")
self.assertEqual(trapper.messages, [":3: SyntaxWarning: name 'a' is used prior to global declaration"])
with stderr_trapper() as trapper:
compile("def f():\n a = 1\n global a\n global a\n a = 1", "", "exec")
self.assertEqual(trapper.messages,
[":3: SyntaxWarning: name 'a' is assigned to before global declaration",
":4: SyntaxWarning: name 'a' is assigned to before global declaration"])
with stderr_trapper() as trapper:
compile("x = 10\nglobal x\n", "", "exec")
self.assertEqual(trapper.messages, [":2: SyntaxWarning: name 'x' is assigned to before global declaration"])
def test_tempnam_warning(self):
with stderr_trapper() as trapper:
temp = nt.tempnam()
self.assertTrue(trapper.messages[0].endswith("RuntimeWarning: tempnam is a potential security risk to your program"), trapper.messages)
