wip

cereal/visionipc/tests/test_visionipc.py

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+#!/usr/bin/env python3
+import os
+import time
+import random
+import unittest
+import numpy as np
+from cereal.visionipc import VisionIpcServer, VisionIpcClient, VisionStreamType
+
+def zmq_sleep(t=1):
+  if "ZMQ" in os.environ:
+    time.sleep(t)
+
+
+class TestVisionIpc(unittest.TestCase):
+
+  def setup_vipc(self, name, *stream_types, num_buffers=1, rgb=False, width=100, height=100, conflate=False):
+    self.server = VisionIpcServer(name)
+    for stream_type in stream_types:
+      self.server.create_buffers(stream_type, num_buffers, rgb, width, height)
+    self.server.start_listener()
+
+    if len(stream_types):
+      self.client = VisionIpcClient(name, stream_types[0], conflate)
+      self.assertTrue(self.client.connect(True))
+    else:
+      self.client = None
+
+    zmq_sleep()
+    return self.server, self.client
+
+  def test_connect(self):
+    self.setup_vipc("camerad", VisionStreamType.VISION_STREAM_ROAD)
+    self.assertTrue(self.client.is_connected)
+
+  def test_available_streams(self):
+    for k in range(4):
+      stream_types = set(random.choices([x.value for x in VisionStreamType], k=k))
+      self.setup_vipc("camerad", *stream_types)
+      available_streams = VisionIpcClient.available_streams("camerad", True)
+      self.assertEqual(available_streams, stream_types)
+
+  def test_buffers(self):
+    width, height, num_buffers = 100, 200, 5
+    self.setup_vipc("camerad", VisionStreamType.VISION_STREAM_ROAD, num_buffers=num_buffers, width=width, height=height)
+    self.assertEqual(self.client.width, width)
+    self.assertEqual(self.client.height, height)
+    self.assertGreater(self.client.buffer_len, 0)
+    self.assertEqual(self.client.num_buffers, num_buffers)
+
+  def test_yuv_rgb(self):
+    _, client_yuv = self.setup_vipc("camerad", VisionStreamType.VISION_STREAM_ROAD, rgb=False)
+    _, client_rgb = self.setup_vipc("navd", VisionStreamType.VISION_STREAM_MAP, rgb=True)
+    self.assertTrue(client_rgb.rgb)
+    self.assertFalse(client_yuv.rgb)
+
+  def test_send_single_buffer(self):
+    self.setup_vipc("camerad", VisionStreamType.VISION_STREAM_ROAD)
+
+    buf = np.zeros(self.client.buffer_len, dtype=np.uint8)
+    buf.view('<i4')[0] = 1234
+    self.server.send(VisionStreamType.VISION_STREAM_ROAD, buf, frame_id=1337)
+
+    recv_buf = self.client.recv()
+    self.assertIsNot(recv_buf, None)
+    self.assertEqual(recv_buf.data.view('<i4')[0], 1234)
+    self.assertEqual(self.client.frame_id, 1337)
+
+  def test_no_conflate(self):
+    self.setup_vipc("camerad", VisionStreamType.VISION_STREAM_ROAD)
+
+    buf = np.zeros(self.client.buffer_len, dtype=np.uint8)
+    self.server.send(VisionStreamType.VISION_STREAM_ROAD, buf, frame_id=1)
+    self.server.send(VisionStreamType.VISION_STREAM_ROAD, buf, frame_id=2)
+
+    recv_buf = self.client.recv()
+    self.assertIsNot(recv_buf, None)
+    self.assertEqual(self.client.frame_id, 1)
+
+    recv_buf = self.client.recv()
+    self.assertIsNot(recv_buf, None)
+    self.assertEqual(self.client.frame_id, 2)
+
+  def test_conflate(self):
+    self.setup_vipc("camerad", VisionStreamType.VISION_STREAM_ROAD, conflate=True)
+
+    buf = np.zeros(self.client.buffer_len, dtype=np.uint8)
+    self.server.send(VisionStreamType.VISION_STREAM_ROAD, buf, frame_id=1)
+    self.server.send(VisionStreamType.VISION_STREAM_ROAD, buf, frame_id=2)
+
+    recv_buf = self.client.recv()
+    self.assertIsNot(recv_buf, None)
+    self.assertEqual(self.client.frame_id, 2)
+
+    recv_buf = self.client.recv()
+    self.assertIs(recv_buf, None)
+
+
+if __name__ == "__main__":
+  unittest.main()