def test_safe_representation():
class TestObject(object):
"""A test object that has neither __str__ nor __repr__."""
def __str__(self):
return NotImplementedError()
def __repr__(self):
return NotImplementedError()
assert_eq("2", qcore.safe_str(2))
assert_eq("2....", qcore.safe_str("2.192842", max_length=5))
assert_is_substring("<n/a: str(...) raised", qcore.safe_str(TestObject()))
assert_eq("'a'", qcore.safe_repr("a"))
assert_eq("'...", qcore.safe_repr("2.192842", max_length=4))
assert_eq("<n/a: repr...", qcore.safe_repr(TestObject(), max_length=13))
def test_string_assertions():
assert_is_substring("a", "bca")
with AssertRaises(AssertionError):
assert_is_substring("a", "bc")
assert_is_not_substring("a", "bc")
with AssertRaises(AssertionError):
assert_is_not_substring("a", "bca")
assert_startswith("a", "abc bcd")
with AssertRaises(AssertionError):
assert_startswith("b", "abc bcd")
assert_endswith("d", "abc bcd")
with AssertRaises(AssertionError):
assert_endswith("c", "abc bcd")
def test_complex_assertions():
with AssertRaises(AssertionError):
with AssertRaises(AssertionError):
pass
with AssertRaises(RuntimeError):
raise RuntimeError()
assert_unordered_list_eq([1, 2, 2], [2, 1, 2])
with AssertRaises(AssertionError):
try:
assert_unordered_list_eq([1, 2, 2], [2, 1])
except AssertionError as e:
print(repr(e))
raise
assert_is_substring("a", "bca")
with AssertRaises(AssertionError):
assert_is_substring("a", "bc")
assert_is_not_substring("a", "bc")
with AssertRaises(AssertionError):
assert_is_not_substring("a", "bca")
def test_format_stack():
def foo():
return qcore.debug.format_stack()
st = foo()
assert_is_substring("in foo\n", st)