Files
pytest2/testing/python/raises.py
Floris Bruynooghe 28b1896e9a Remove BuiltinAssertionError
We used to have this when we where patching the real Python
AssertionError for use with reinterpret, but reinterpret is now
gone so we no longer need this as it is not used by rewrite.
2016-09-05 15:29:09 +02:00

91 lines
2.8 KiB
Python

import pytest
class TestRaises:
def test_raises(self):
source = "int('qwe')"
excinfo = pytest.raises(ValueError, source)
code = excinfo.traceback[-1].frame.code
s = str(code.fullsource)
assert s == source
def test_raises_exec(self):
pytest.raises(ValueError, "a,x = []")
def test_raises_syntax_error(self):
pytest.raises(SyntaxError, "qwe qwe qwe")
def test_raises_function(self):
pytest.raises(ValueError, int, 'hello')
def test_raises_callable_no_exception(self):
class A:
def __call__(self):
pass
try:
pytest.raises(ValueError, A())
except pytest.raises.Exception:
pass
def test_raises_as_contextmanager(self, testdir):
testdir.makepyfile("""
from __future__ import with_statement
import py, pytest
import _pytest._code
def test_simple():
with pytest.raises(ZeroDivisionError) as excinfo:
assert isinstance(excinfo, _pytest._code.ExceptionInfo)
1/0
print (excinfo)
assert excinfo.type == ZeroDivisionError
assert isinstance(excinfo.value, ZeroDivisionError)
def test_noraise():
with pytest.raises(pytest.raises.Exception):
with pytest.raises(ValueError):
int()
def test_raise_wrong_exception_passes_by():
with pytest.raises(ZeroDivisionError):
with pytest.raises(ValueError):
1/0
""")
result = testdir.runpytest()
result.stdout.fnmatch_lines([
'*3 passed*',
])
def test_noclass(self):
with pytest.raises(TypeError):
pytest.raises('wrong', lambda: None)
def test_tuple(self):
with pytest.raises((KeyError, ValueError)):
raise KeyError('oops')
def test_no_raise_message(self):
try:
pytest.raises(ValueError, int, '0')
except pytest.raises.Exception as e:
assert e.msg == "DID NOT RAISE {0}".format(repr(ValueError))
else:
assert False, "Expected pytest.raises.Exception"
try:
with pytest.raises(ValueError):
pass
except pytest.raises.Exception as e:
assert e.msg == "DID NOT RAISE {0}".format(repr(ValueError))
else:
assert False, "Expected pytest.raises.Exception"
def test_custom_raise_message(self):
message = "TEST_MESSAGE"
try:
with pytest.raises(ValueError, message=message):
pass
except pytest.raises.Exception as e:
assert e.msg == message
else:
assert False, "Expected pytest.raises.Exception"