Add tests for bitrate parsing in import_eds() (#495)

Author: erlend-aasland

canopen/objectdictionary/eds.py

@@ -85,8 +85,8 @@ def import_eds(source, node_id):
                 pass
 
     if eds.has_section("DeviceComissioning"):
-        if val := eds.get("DeviceComissioning", "Baudrate", fallback=None):
-            od.bitrate = int(val) * 1000
+        if val := eds.getint("DeviceComissioning", "Baudrate", fallback=None):
+            od.bitrate = val * 1000
 
         if node_id is None:
             if val := eds.get("DeviceComissioning", "NodeID", fallback=None):

test/test_eds.py

@@ -89,6 +89,21 @@ def test_load_explicit_nodeid(self):
         od = canopen.import_od(SAMPLE_EDS, node_id=3)
         self.assertEqual(od.node_id, 3)
 
+    def test_load_baudrate(self):
+        od = canopen.import_od(SAMPLE_EDS)
+        self.assertEqual(od.bitrate, 500_000)
+
+    def test_load_baudrate_fallback(self):
+        import io
+
+        # Remove the Baudrate option.
+        with open(SAMPLE_EDS) as f:
+            lines = [L for L in f.readlines() if not L.startswith("Baudrate=")]
+        with io.StringIO("".join(lines)) as buf:
+            buf.name = "mock.eds"
+            od = canopen.import_od(buf)
+            self.assertIsNone(od.bitrate)
+
     def test_variable(self):
         var = self.od['Producer heartbeat time']
         self.assertIsInstance(var, canopen.objectdictionary.ODVariable)