ci: faster test_camerad (#33933)

* once

* timeout

Jenkinsfile

@@ -221,12 +221,12 @@ node {
       'camerad': {
         deviceStage("AR0231", "tici-ar0231", ["UNSAFE=1"], [
           step("build", "cd system/manager && ./build.py"),
-          step("test camerad", "pytest system/camerad/test/test_camerad.py"),
+          step("test camerad", "pytest system/camerad/test/test_camerad.py", [timeout: 60]),
           step("test exposure", "pytest system/camerad/test/test_exposure.py"),
         ])
         deviceStage("OX03C10", "tici-ox03c10", ["UNSAFE=1"], [
           step("build", "cd system/manager && ./build.py"),
-          step("test camerad", "pytest system/camerad/test/test_camerad.py"),
+          step("test camerad", "pytest system/camerad/test/test_camerad.py", [timeout: 60]),
           step("test exposure", "pytest system/camerad/test/test_exposure.py"),
         ])
       },

system/camerad/test/test_camerad.py

@@ -21,39 +21,40 @@ CAMERAS = ('roadCameraState', 'driverCameraState', 'wideRoadCameraState')
 @flaky(max_runs=3)
 @pytest.mark.tici
 class TestCamerad:
-  def setup_method(self):
+  @classmethod
+  def setup_class(cls):
     # run camerad and record logs
     managed_processes['camerad'].start()
     time.sleep(3)
     socks = {c: messaging.sub_sock(c, conflate=False, timeout=100) for c in CAMERAS}
 
-    self.logs = defaultdict(list)
+    cls.logs = defaultdict(list)
     start_time = time.monotonic()
     while time.monotonic()- start_time < TEST_TIMESPAN:
       for cam, s in socks.items():
-        self.logs[cam] += messaging.drain_sock(s)
+        cls.logs[cam] += messaging.drain_sock(s)
       time.sleep(0.2)
     managed_processes['camerad'].stop()
 
-    self.log_by_frame_id = defaultdict(list)
-    self.sensor_type = None
-    for cam, msgs in self.logs.items():
-      if self.sensor_type is None:
-        self.sensor_type = getattr(msgs[0], msgs[0].which()).sensor.raw
+    cls.log_by_frame_id = defaultdict(list)
+    cls.sensor_type = None
+    for cam, msgs in cls.logs.items():
+      if cls.sensor_type is None:
+        cls.sensor_type = getattr(msgs[0], msgs[0].which()).sensor.raw
       expected_frames = SERVICE_LIST[cam].frequency * TEST_TIMESPAN
       assert expected_frames*0.95 < len(msgs) < expected_frames*1.05, f"unexpected frame count {cam}: {expected_frames=}, got {len(msgs)}"
 
       dts = np.abs(np.diff([getattr(m, m.which()).timestampSof/1e6 for m in msgs]) - 1000/SERVICE_LIST[cam].frequency)
-      assert (dts < FRAME_DELTA_TOLERANCE[self.sensor_type]).all(), f"{cam} dts(ms) out of spec: max diff {dts.max()}, 99 percentile {np.percentile(dts, 99)}"
+      assert (dts < FRAME_DELTA_TOLERANCE[cls.sensor_type]).all(), f"{cam} dts(ms) out of spec: max diff {dts.max()}, 99 percentile {np.percentile(dts, 99)}"
 
       for m in msgs:
-        self.log_by_frame_id[getattr(m, m.which()).frameId].append(m)
+        cls.log_by_frame_id[getattr(m, m.which()).frameId].append(m)
 
     # strip beginning and end
     for _ in range(3):
-      mn, mx = min(self.log_by_frame_id.keys()), max(self.log_by_frame_id.keys())
-      del self.log_by_frame_id[mn]
-      del self.log_by_frame_id[mx]
+      mn, mx = min(cls.log_by_frame_id.keys()), max(cls.log_by_frame_id.keys())
+      del cls.log_by_frame_id[mn]
+      del cls.log_by_frame_id[mx]
 
   def test_frame_skips(self):
     skips = {}