tests: autoscan

Signed-off-by: Jouni Malinen <j@w1.fi>

tests/hwsim/test_autoscan.py

@@ -0,0 +1,66 @@
+# autoscan tests
+# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
+#
+# This software may be distributed under the terms of the BSD license.
+# See README for more details.
+
+import time
+import logging
+logger = logging.getLogger()
+import os
+
+import hostapd
+
+def test_autoscan_periodic(dev, apdev):
+    """autoscan_periodic"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid": "autoscan" })
+
+    try:
+        if "OK" not in dev[0].request("AUTOSCAN periodic:1"):
+            raise Exception("Failed to set autoscan")
+        dev[0].connect("not-used", key_mgmt="NONE", scan_freq="2412",
+                       wait_connect=False)
+        times = {}
+        for i in range(0, 3):
+            logger.info("Waiting for scan to start")
+            start = os.times()[4]
+            ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
+            if ev is None:
+                raise Exception("did not start a scan")
+            stop = os.times()[4]
+            times[i] = stop - start
+            logger.info("Waiting for scan to complete")
+            ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
+            if ev is None:
+                raise Exception("did not complete a scan")
+        if times[0] > 1 or times[1] < 0.5 or times[1] > 1.5 or times[2] < 0.5 or times[2] > 1.5:
+            raise Exception("Unexpected scan timing: " + str(times))
+    finally:
+        dev[0].request("AUTOSCAN ")
+
+def test_autoscan_exponential(dev, apdev):
+    """autoscan_exponential"""
+    hostapd.add_ap(apdev[0]['ifname'], { "ssid": "autoscan" })
+
+    try:
+        if "OK" not in dev[0].request("AUTOSCAN exponential:2:10"):
+            raise Exception("Failed to set autoscan")
+        dev[0].connect("not-used", key_mgmt="NONE", scan_freq="2412",
+                       wait_connect=False)
+        times = {}
+        for i in range(0, 3):
+            logger.info("Waiting for scan to start")
+            start = os.times()[4]
+            ev = dev[0].wait_event(["CTRL-EVENT-SCAN-STARTED"], timeout=5)
+            if ev is None:
+                raise Exception("did not start a scan")
+            stop = os.times()[4]
+            times[i] = stop - start
+            logger.info("Waiting for scan to complete")
+            ev = dev[0].wait_event(["CTRL-EVENT-SCAN-RESULTS"], 10)
+            if ev is None:
+                raise Exception("did not complete a scan")
+        if times[0] > 1 or times[1] < 1 or times[1] > 3 or times[2] < 3 or times[2] > 5:
+            raise Exception("Unexpected scan timing: " + str(times))
+    finally:
+        dev[0].request("AUTOSCAN ")