diff options
Diffstat (limited to 'tests/test_callbacks.py')
| -rw-r--r-- | tests/test_callbacks.py | 84 |
1 files changed, 77 insertions, 7 deletions
diff --git a/tests/test_callbacks.py b/tests/test_callbacks.py index 039b877c..4a652f53 100644 --- a/tests/test_callbacks.py +++ b/tests/test_callbacks.py @@ -1,7 +1,11 @@ -# -*- coding: utf-8 -*- +import time +from threading import Thread + import pytest + +import env # noqa: F401 from pybind11_tests import callbacks as m -from threading import Thread +from pybind11_tests import detailed_error_messages_enabled def test_callbacks(): @@ -14,7 +18,7 @@ def test_callbacks(): return "func2", a, b, c, d def func3(a): - return "func3({})".format(a) + return f"func3({a})" assert m.test_callback1(func1) == "func1" assert m.test_callback2(func2) == ("func2", "Hello", "x", True, 5) @@ -67,21 +71,35 @@ def test_keyword_args_and_generalized_unpacking(): with pytest.raises(RuntimeError) as excinfo: m.test_arg_conversion_error1(f) - assert "Unable to convert call argument" in str(excinfo.value) + assert str(excinfo.value) == "Unable to convert call argument " + ( + "'1' of type 'UnregisteredType' to Python object" + if detailed_error_messages_enabled + else "'1' to Python object (#define PYBIND11_DETAILED_ERROR_MESSAGES or compile in debug mode for details)" + ) with pytest.raises(RuntimeError) as excinfo: m.test_arg_conversion_error2(f) - assert "Unable to convert call argument" in str(excinfo.value) + assert str(excinfo.value) == "Unable to convert call argument " + ( + "'expected_name' of type 'UnregisteredType' to Python object" + if detailed_error_messages_enabled + else "'expected_name' to Python object " + "(#define PYBIND11_DETAILED_ERROR_MESSAGES or compile in debug mode for details)" + ) def test_lambda_closure_cleanup(): - m.test_cleanup() + m.test_lambda_closure_cleanup() cstats = m.payload_cstats() assert cstats.alive() == 0 assert cstats.copy_constructions == 1 assert cstats.move_constructions >= 1 +def test_cpp_callable_cleanup(): + alive_counts = m.test_cpp_callable_cleanup() + assert alive_counts == [0, 1, 2, 1, 2, 1, 0] + + def test_cpp_function_roundtrip(): """Test if passing a function pointer from C++ -> Python -> C++ yields the original pointer""" @@ -92,6 +110,10 @@ def test_cpp_function_roundtrip(): m.test_dummy_function(m.roundtrip(m.dummy_function)) == "matches dummy_function: eval(1) = 2" ) + assert ( + m.test_dummy_function(m.dummy_function_overloaded) + == "matches dummy_function: eval(1) = 2" + ) assert m.roundtrip(None, expect_none=True) is None assert ( m.test_dummy_function(lambda x: x + 2) @@ -119,6 +141,16 @@ def test_movable_object(): assert m.callback_with_movable(lambda _: None) is True +@pytest.mark.skipif( + "env.PYPY", + reason="PyPy segfaults on here. See discussion on #1413.", +) +def test_python_builtins(): + """Test if python builtins like sum() can be used as callbacks""" + assert m.test_sum_builtin(sum, [1, 2, 3]) == 6 + assert m.test_sum_builtin(sum, []) == 0 + + def test_async_callbacks(): # serves as state for async callback class Item: @@ -139,10 +171,48 @@ def test_async_callbacks(): from time import sleep sleep(0.5) - assert sum(res) == sum([x + 3 for x in work]) + assert sum(res) == sum(x + 3 for x in work) def test_async_async_callbacks(): t = Thread(target=test_async_callbacks) t.start() t.join() + + +def test_callback_num_times(): + # Super-simple micro-benchmarking related to PR #2919. + # Example runtimes (Intel Xeon 2.2GHz, fully optimized): + # num_millions 1, repeats 2: 0.1 secs + # num_millions 20, repeats 10: 11.5 secs + one_million = 1000000 + num_millions = 1 # Try 20 for actual micro-benchmarking. + repeats = 2 # Try 10. + rates = [] + for rep in range(repeats): + t0 = time.time() + m.callback_num_times(lambda: None, num_millions * one_million) + td = time.time() - t0 + rate = num_millions / td if td else 0 + rates.append(rate) + if not rep: + print() + print( + f"callback_num_times: {num_millions:d} million / {td:.3f} seconds = {rate:.3f} million / second" + ) + if len(rates) > 1: + print("Min Mean Max") + print(f"{min(rates):6.3f} {sum(rates) / len(rates):6.3f} {max(rates):6.3f}") + + +def test_custom_func(): + assert m.custom_function(4) == 36 + assert m.roundtrip(m.custom_function)(4) == 36 + + +@pytest.mark.skipif( + m.custom_function2 is None, reason="Current PYBIND11_INTERNALS_VERSION too low" +) +def test_custom_func2(): + assert m.custom_function2(3) == 27 + assert m.roundtrip(m.custom_function2)(3) == 27 |