boot time test (#1909)

* test

* usb serial

* just test for now

* time

* close

* close after

Jenkinsfile

@@ -82,7 +82,7 @@ pipeline {
               ["build", "scons -j4"],
               ["flash", "cd tests/ && ./reflash_internal_panda.py"],
               ["flash jungle", "cd board/jungle && ./flash.py"],
-              ["test", "cd tests/hitl && HW_TYPES=6 pytest -n0 --durations=0 [2-7]*.py -k 'not test_send_recv'"],
+              ["test", "cd tests/hitl && HW_TYPES=6 pytest -n0 --durations=0 [2-9]*.py -k 'not test_send_recv'"],
             ])
           }
         }

python/__init__.py

@@ -433,6 +433,8 @@ class Panda:
           self._handle.controlWrite(Panda.REQUEST_IN, 0xd8, 0, 0, b'', timeout=timeout, expect_disconnect=True)
     except Exception:
       pass
+
+    self.close()
     if not enter_bootloader and reconnect:
       self.reconnect()
 

tests/hitl/8_misc.py

@@ -0,0 +1,10 @@
+import time
+
+from panda import Panda
+
+def test_boot_time(p):
+  # boot time should be instant
+  st = time.monotonic()
+  p.reset(reconnect=False)
+  assert Panda.wait_for_panda(p.get_usb_serial(), timeout=3.0)
+  assert time.monotonic() - st < 3.0