Method start

tests/fixtures.py:129–145

(self, port)

        self.port = None

    def start(self, port):
        assert self.proc is None, "capture already started"
        self.port = int(port)

        self.proc = subprocess.Popen(
            [
                "dumpcap",
                "-i", "lo",
                "-w", str(self.pcap),
                "-f", f"tcp port {self.port}",
            ],
            stdout=subprocess.DEVNULL,
            stderr=subprocess.DEVNULL,
        )

        # allow filter attach
        time.sleep(0.2)

    def stop(self):
        if self.proc: