Add tests for some device & address variables

[tinc] / test / integration / device_raw_socket.py

diff --git a/test/integration/device_raw_socket.py b/test/integration/device_raw_socket.py
new file mode 100755 (executable)
index 0000000..d536390
--- /dev/null
+++ b/test/integration/device_raw_socket.py
@@ -0,0 +1,69 @@
+#!/usr/bin/env python3
+
+"""Test raw socket device support."""
+
+import sys
+import subprocess as subp
+
+from testlib import check, util
+from testlib.log import log
+from testlib.const import EXIT_SKIP
+from testlib.proc import Script
+from testlib.test import Test
+from testlib.external import veth_add, move_dev, ping
+
+util.require_root()
+util.require_command("ip", "link")
+
+FAKE_DEV = "cqhqdr7knaLzYeMSdy"
+
+IP_NETNS = "10.198.96.1"
+IP_HOST = "10.198.96.2"
+
+
+def test_device_raw_socket(ctx: Test) -> None:
+    """Test raw socket device."""
+
+    foo = ctx.node(init="set DeviceType raw_socket")
+    foo_log = foo.sub("log")
+
+    log.info("test with a bad Interface")
+    _, err = foo.cmd("start", "-o", f"Interface={FAKE_DEV}", code=1)
+    if "Raw socket device not supported" in err:
+        sys.exit(EXIT_SKIP)
+    check.is_in(f"Can't find interface {FAKE_DEV}", err)
+
+    log.info("create a veth pair")
+    dev0, dev1 = util.random_string(10), util.random_string(10)
+    veth_add(dev0, dev1)
+
+    log.info("configure the veth pair")
+    move_dev(dev1, dev1, f"{IP_NETNS}/30")
+    subp.run(["ip", "addr", "add", f"{IP_HOST}/30", "dev", dev0], check=True)
+    subp.run(["ip", "link", "set", dev0, "up"], check=True)
+
+    log.info("set Interface and Device")
+    foo.cmd("set", "Interface", dev0)
+    foo.cmd("set", "Device", f"dev_{dev0}")
+    foo.add_script(Script.TINC_UP)
+
+    log.info("start tincd")
+    _, err = foo.cmd("start", "--logfile", foo_log, "-d10")
+    check.is_in(f"dev_{dev0} is a raw_socket", err)
+
+    log.info("send some data to tincd interface")
+    foo[Script.TINC_UP].wait()
+    assert ping(IP_NETNS)
+
+    log.info("stop tincd")
+    foo.add_script(Script.TINC_DOWN)
+    foo.cmd("stop")
+    foo[Script.TINC_DOWN].wait()
+
+    log.info("check that tincd received some data")
+    check.in_file(foo_log, "Writing packet of")
+    check.in_file(foo_log, "Read packet of")
+
+
+with Test("test raw socket device") as context:
+    test_device_raw_socket(context)