def test_warn_error():
# Check warning error context manager
n_warns = len(filters)
with ErrorWarnings():
assert_raises(UserWarning, warn, 'A test')
assert_equal(n_warns, len(filters))
def f():
with ErrorWarnings():
simplefilter('ignore')
try:
assert_raises(RuntimeError, f)
assert_equal(n_warns+2, len(filters))
finally:
filters.pop(0)
filters.pop(0)
# Check other errors are propagated
def f():
with ErrorWarnings():
raise ValueError('An error')
assert_raises(ValueError, f)
def test_warn_ignore():
# Check warning ignore context manager
n_warns = len(filters)
with IgnoreWarnings():
warn('Here is a warning, you will not see it')
warn('Nor this one', DeprecationWarning)
assert_equal(n_warns, len(filters))
def f():
with IgnoreWarnings():
simplefilter('error')
try:
assert_raises(RuntimeError, f)
assert_equal(n_warns+2, len(filters))
finally:
filters.pop(0)
filters.pop(0)
# Check other errors are propagated
def f():
with IgnoreWarnings():
raise ValueError('An error')
assert_raises(ValueError, f)
