auto-t: add AP test with DHCP server

The existing AP tests needed to be modified to start IWD from
python since the DHCP test uses a different main.conf.

Also removed some stale hw.conf options that are no longer used.

autotests/testAP/connection_test.py

@@ -38,7 +38,7 @@ class Test(unittest.TestCase):
         wd.wait_for_object_condition(ordered_network.network_object, condition)
 
     def test_connection_success(self):
-        wd = IWD()
+        wd = IWD(True)
 
         dev1, dev2 = wd.list_devices(2)
 

autotests/testAP/dhcp/main.conf

@@ -0,0 +1,6 @@
+[Scan]
+DisableMacAddressRandomization=true
+
+[General]
+EnableNetworkConfiguration=true
+APRanges=192.168.80.0/23

autotests/testAP/dhcp_test.py

@@ -0,0 +1,93 @@
+#! /usr/bin/python3
+
+import unittest
+import sys, os
+
+import iwd
+from iwd import IWD
+from iwd import PSKAgent
+from iwd import NetworkType
+from config import ctx
+import testutil
+
+class Test(unittest.TestCase):
+    def test_connection_success(self):
+        wd = IWD(True, '/tmp/dhcp')
+
+        # dev1, dev3, and dev4 are all AP's
+        # The configured IP range only supports 2 subnets, so dev4 should fail
+        # to start AP.
+        dev1, dev2, dev3, dev4 = wd.list_devices(4)
+
+        dev1.start_ap('TestAP2', "Password2")
+        dev3.start_ap('TestAP3', 'Password3')
+
+        with self.assertRaises(iwd.AlreadyExistsEx):
+            dev4.start_ap('TestAP4', 'Password4')
+
+        try:
+            condition = 'not obj.scanning'
+            wd.wait_for_object_condition(dev2, condition)
+            dev2.scan()
+            condition = 'obj.scanning'
+            wd.wait_for_object_condition(dev2, condition)
+            condition = 'not obj.scanning'
+            wd.wait_for_object_condition(dev2, condition)
+
+            ordered_networks = dev2.get_ordered_networks()
+
+            networks = { n.name: n for n in ordered_networks }
+            self.assertEqual(networks['TestAP2'].type, NetworkType.psk)
+
+            psk_agent = PSKAgent('Password2')
+            wd.register_psk_agent(psk_agent)
+
+            try:
+                dev2.disconnect()
+
+                condition = 'not obj.connected'
+                wd.wait_for_object_condition(dev2, condition)
+            except:
+                pass
+
+            networks['TestAP2'].network_object.connect()
+
+            condition = 'obj.state == DeviceState.connected'
+            wd.wait_for_object_condition(dev2, condition)
+
+            testutil.test_iface_operstate(dev2.name)
+            testutil.test_ifaces_connected(dev1.name, dev2.name, group=False)
+
+            testutil.test_ip_address_match(dev1.name, "192.168.80.1")
+            testutil.test_ip_address_match(dev2.name, "192.168.80.2")
+
+            wd.unregister_psk_agent(psk_agent)
+
+            dev2.disconnect()
+
+            condition = 'not obj.connected'
+            wd.wait_for_object_condition(networks['TestAP2'].network_object,
+                                         condition)
+
+            # This should release the IP */
+            dev1.stop_ap()
+
+            # This should now succeed and the IP should match the old IP dev1
+            # got initially.
+            dev4.start_ap('TestAP4', 'Password4')
+
+            testutil.test_ip_address_match(dev4.name, "192.168.80.1")
+
+        finally:
+            dev1.stop_ap()
+
+    @classmethod
+    def setUpClass(cls):
+        pass
+
+    @classmethod
+    def tearDownClass(cls):
+        IWD.clear_storage()
+
+if __name__ == '__main__':
+    unittest.main(exit=True)

autotests/testAP/failure_test.py

@@ -39,7 +39,7 @@ class Test(unittest.TestCase):
         wd.wait_for_object_condition(ordered_network.network_object, condition)
 
     def test_connection_failure(self):
-        wd = IWD()
+        wd = IWD(True)
 
         dev1, dev2 = wd.list_devices(2)
 

autotests/testAP/hw.conf

@@ -1,7 +1,6 @@
 [SETUP]
-num_radios=3
+num_radios=5
-max_test_exec_interval_sec=40
+start_iwd=0
-tmpfs_extra_stuff=main.conf
 
 [HOSTAPD]
 rad0=psk-ccmp.conf