def test_custom(msg): # Can we catch a MyException? with pytest.raises(m.MyException) as excinfo: m.throws1() assert msg(excinfo.value) == "this error should go to a custom type" # Can we translate to standard Python exceptions? with pytest.raises(RuntimeError) as excinfo: m.throws2() assert (msg( excinfo.value) == "this error should go to a standard Python exception" ) # Can we handle unknown exceptions? with pytest.raises(RuntimeError) as excinfo: m.throws3() assert msg(excinfo.value) == "Caught an unknown exception!" # Can we delegate to another handler by rethrowing? with pytest.raises(m.MyException) as excinfo: m.throws4() assert msg(excinfo.value) == "this error is rethrown" # Can we fall-through to the default handler? with pytest.raises(RuntimeError) as excinfo: m.throws_logic_error() assert (msg(excinfo.value) == "this error should fall through to the standard handler") # OverFlow error translation. with pytest.raises(OverflowError) as excinfo: m.throws_overflow_error() # Can we handle a helper-declared exception? with pytest.raises(m.MyException5) as excinfo: m.throws5() assert (msg( excinfo.value) == "this is a helper-defined translated exception") # Exception subclassing: with pytest.raises(m.MyException5) as excinfo: m.throws5_1() assert msg(excinfo.value) == "MyException5 subclass" assert isinstance(excinfo.value, m.MyException5_1) with pytest.raises(m.MyException5_1) as excinfo: m.throws5_1() assert msg(excinfo.value) == "MyException5 subclass" with pytest.raises(m.MyException5) as excinfo: try: m.throws5() except m.MyException5_1: raise RuntimeError("Exception error: caught child from parent") assert (msg( excinfo.value) == "this is a helper-defined translated exception")
def test_custom(msg): # Can we catch a MyException? with pytest.raises(m.MyException) as excinfo: m.throws1() assert msg(excinfo.value) == "this error should go to a custom type" # Can we translate to standard Python exceptions? with pytest.raises(RuntimeError) as excinfo: m.throws2() assert msg(excinfo.value) == "this error should go to a standard Python exception" # Can we handle unknown exceptions? with pytest.raises(RuntimeError) as excinfo: m.throws3() assert msg(excinfo.value) == "Caught an unknown exception!" # Can we delegate to another handler by rethrowing? with pytest.raises(m.MyException) as excinfo: m.throws4() assert msg(excinfo.value) == "this error is rethrown" # Can we fall-through to the default handler? with pytest.raises(RuntimeError) as excinfo: m.throws_logic_error() assert msg(excinfo.value) == "this error should fall through to the standard handler" # Can we handle a helper-declared exception? with pytest.raises(m.MyException5) as excinfo: m.throws5() assert msg(excinfo.value) == "this is a helper-defined translated exception" # Exception subclassing: with pytest.raises(m.MyException5) as excinfo: m.throws5_1() assert msg(excinfo.value) == "MyException5 subclass" assert isinstance(excinfo.value, m.MyException5_1) with pytest.raises(m.MyException5_1) as excinfo: m.throws5_1() assert msg(excinfo.value) == "MyException5 subclass" with pytest.raises(m.MyException5) as excinfo: try: m.throws5() except m.MyException5_1: raise RuntimeError("Exception error: caught child from parent") assert msg(excinfo.value) == "this is a helper-defined translated exception"