Function test_exception_details

tests_python/test_debugger_json.py:3619–3664

(case_setup_dap, max_frames)

@pytest.mark.parametrize("max_frames", ["default", "all", 10])  # -1 = default, 0 = all, 10 = 10 frames
def test_exception_details(case_setup_dap, max_frames):
    with case_setup_dap.test_file("_debugger_case_large_exception_stack.py") as writer:
        json_facade = JsonFacade(writer)

        if max_frames == "all":
            json_facade.write_launch(maxExceptionStackFrames=0)
            # trace back compresses repeated text
            min_expected_lines = 100
            max_expected_lines = 220
        elif max_frames == "default":
            json_facade.write_launch()
            # default is all frames
            # trace back compresses repeated text
            min_expected_lines = 100
            max_expected_lines = 220
        else:
            json_facade.write_launch(maxExceptionStackFrames=max_frames)
            min_expected_lines = 10
            max_expected_lines = 22

        json_facade.write_set_exception_breakpoints(["raised"])

        json_facade.write_make_initial_run()
        json_hit = json_facade.wait_for_thread_stopped("exception")

        exc_info_request = json_facade.write_request(
            pydevd_schema.ExceptionInfoRequest(pydevd_schema.ExceptionInfoArguments(json_hit.thread_id))
        )
        exc_info_response = json_facade.wait_for_response(exc_info_request)

        stack_frames = json_hit.stack_trace_response.body.stackFrames
        assert 100 <= len(stack_frames) <= 104
        assert stack_frames[-1]["name"] == "<module>"
        assert stack_frames[0]["name"] == "method1"

        body = exc_info_response.body
        assert body.exceptionId.endswith("IndexError")
        assert body.description == "foo"
        assert normcase(body.details.kwargs["source"]) == normcase(writer.TEST_FILE)
        stack_line_count = len(body.details.stackTrace.split("\n"))
        assert min_expected_lines <= stack_line_count <= max_expected_lines

        json_facade.write_set_exception_breakpoints([])  # Don't stop on reraises.
        json_facade.write_continue()

        writer.finished_ok = True


def test_stack_levels(case_setup_dap):