From 8fe3932189d483efc72e0d34a9417ffbb34f5809 Mon Sep 17 00:00:00 2001
From: Paolo Teti <paolo.teti@gmail.com>
Date: Sat, 30 May 2020 18:23:04 +0200
Subject: [PATCH] Add unit test for SYNC producer

Test one-shot SYNC transmission with and without counter value.
---
 test/test_sync.py | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 test/test_sync.py

diff --git a/test/test_sync.py b/test/test_sync.py
new file mode 100644
index 00000000..0321ceb6
--- /dev/null
+++ b/test/test_sync.py
@@ -0,0 +1,29 @@
+import unittest
+import canopen
+
+
+class TestSync(unittest.TestCase):
+
+    def test_sync_producer(self):
+        network = canopen.Network()
+        network.connect(bustype="virtual", receive_own_messages=True)
+        producer = canopen.sync.SyncProducer(network)
+        producer.transmit()
+        msg = network.bus.recv(1)
+        network.disconnect()
+        self.assertEqual(msg.arbitration_id, 0x80)
+        self.assertEqual(msg.dlc, 0)
+
+    def test_sync_producer_counter(self):
+        network = canopen.Network()
+        network.connect(bustype="virtual", receive_own_messages=True)
+        producer = canopen.sync.SyncProducer(network)
+        producer.transmit(2)
+        msg = network.bus.recv(1)
+        network.disconnect()
+        self.assertEqual(msg.arbitration_id, 0x80)
+        self.assertEqual(msg.dlc, 1)
+        self.assertEqual(msg.data, b"\x02")
+
+if __name__ == "__main__":
+    unittest.main()