87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
import os
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import re
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import time
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import infra.basetest
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class TestNtp(infra.basetest.BRTest):
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rootfs_overlay = \
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infra.filepath("tests/package/test_ntp/rootfs-overlay")
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config = infra.basetest.BASIC_TOOLCHAIN_CONFIG + \
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f"""
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BR2_PACKAGE_NTP=y
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BR2_PACKAGE_NTP_NTPD=y
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BR2_PACKAGE_NTP_NTPQ=y
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BR2_ROOTFS_OVERLAY="{rootfs_overlay}"
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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 dict_from_ntpq_output(self, output):
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d = {}
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for line in output:
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if ':' not in line:
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continue
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fields = re.split(r":", line, maxsplit=2)
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name = fields[0].strip()
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value = fields[1].strip()
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d[name] = value
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return d
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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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# Check our binaries can execute.
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self.assertRunOk("ntpd --version")
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self.assertRunOk("ntpq --version")
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# The ntp daemon is expected to be started from init startup
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# scripts, for the Buildroot package recipe. We wait a bit
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# here to let the daemon settle. The next test step checks for
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# the local peer to be the system peer (by checking the
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# '*'). If querying the peers too soon after startup the peer
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# will not be marked as such.
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time.sleep(3 * self.timeout_multiplier)
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# We query the ntp daemon peers. From our test configuration
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# file, we should have exactly one.
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out, ret = self.emulator.run("ntpq --peers")
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self.assertEqual(ret, 0)
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# ntpq --peers produces two lines of headers. So we check we
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# have at least 3 lines of output.
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self.assertGreaterEqual(len(out), 3)
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# We check we see our undisciplined local clock and it's the
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# system peer.
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self.assertTrue(out[2].startswith("*LOCAL(0)"))
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# We query the refid variable. We expect to see our
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# undisciplined local clock.
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out, ret = self.emulator.run("ntpq -c 'readvar 0 refid'")
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self.assertEqual(ret, 0)
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self.assertEqual(out[0], "refid=LOCAL(0)")
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# We query the ntp system info. We check the reference ID is
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# the same as in the test configuration file.
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out, ret = self.emulator.run("ntpq -c sysinfo")
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self.assertEqual(ret, 0)
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sysinfo = self.dict_from_ntpq_output(out)
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refid = "reference ID"
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self.assertIn(refid, sysinfo)
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self.assertEqual(sysinfo[refid], "127.127.1.0")
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# Finally, we query the ntp system statistics. We check we can
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# see some uptime. We waited a bit at the beginning of this
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# test, plus the few queries we previously did should have
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# accumulated some uptime.
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out, ret = self.emulator.run("ntpq -c sysstats")
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self.assertEqual(ret, 0)
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sysstats = self.dict_from_ntpq_output(out)
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up = "uptime"
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self.assertIn(up, sysstats)
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self.assertGreater(int(sysstats[up]), 0)
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