Method assert_debug_log

test/functional/test_framework/test_node.py:580–612

(self, expected_msgs, unexpected_msgs=None, *, timeout=0)

    @contextlib.contextmanager
    def assert_debug_log(self, expected_msgs, unexpected_msgs=None, *, timeout=0):
        if unexpected_msgs is None:
            unexpected_msgs = []
        assert_equal(type(expected_msgs), list)
        assert_equal(type(unexpected_msgs), list)
        remaining_expected = list(expected_msgs)

        time_end = time.time() + timeout * self.timeout_factor
        prev_size = self.debug_log_size(encoding="utf-8")  # Must use same encoding that is used to read() below

        def join_log(log):
            return " - " + "\n - ".join(log.splitlines())

        yield

        while True:
            with open(self.debug_log_path, encoding="utf-8", errors="replace") as dl:
                dl.seek(prev_size)
                log = dl.read()
            for unexpected_msg in unexpected_msgs:
                if unexpected_msg in log:
                    self._raise_assertion_error(f'Unexpected message "{unexpected_msg}" '
                                                f'found in log:\n\n{join_log(log)}\n\n')
            while remaining_expected and remaining_expected[-1] in log:
                remaining_expected.pop()
            if not remaining_expected:
                return
            if time.time() >= time_end:
                break
            time.sleep(0.05)
        remaining_expected = [e for e in remaining_expected if e not in log]
        self._raise_assertion_error(f'Expected message(s) {remaining_expected!s} '
                                    f'not found in log:\n\n{join_log(log)}\n\n')

    @contextlib.contextmanager
    def busy_wait_for_debug_log(self, expected_msgs, timeout=60):