50 lines
1.3 KiB
Python
50 lines
1.3 KiB
Python
import os
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import time
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import infra.basetest
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class TestNgrep(infra.basetest.BRTest):
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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"""
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BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
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BR2_PACKAGE_NETCAT=y
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BR2_PACKAGE_NGREP=y
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BR2_TARGET_ROOTFS_CPIO=y
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# BR2_TARGET_ROOTFS_TAR is not set
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"""
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def test_run(self):
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cpio_file = os.path.join(self.builddir, "images", "rootfs.cpio")
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self.emulator.boot(arch="armv5",
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kernel="builtin",
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options=["-initrd", cpio_file])
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self.emulator.login()
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port = 12345
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msg = 'Hello Buildroot'
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# Check the program can execute.
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self.assertRunOk("ngrep -V")
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# Start a netcat server in background accepting connections
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cmd = f"nc -l -p {port} >/dev/null </dev/null &"
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self.assertRunOk(cmd)
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time.sleep(1)
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# Start a netcat client in background, sending one message
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# every seconds
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cmd = "( while true ; do "
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cmd += f"echo '{msg}'; "
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cmd += "sleep 1 ; "
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cmd += "done) | "
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cmd += f"nc 127.0.0.1 {port} &"
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self.assertRunOk(cmd)
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time.sleep(1)
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# Capture 3 packets with the message.
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cmd = f"ngrep -n 3 '{msg}'"
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self.assertRunOk(cmd)
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