def setUp(self):
self.od = canopen.import_od(EDS_PATH, 2)
def test_load_nonexisting_file(self):
with self.assertRaises(IOError):
canopen.import_od('/path/to/wrong_file.eds')
def test_load_file_object(self):
od = canopen.import_od(open(EDS_PATH))
self.assertTrue(len(od) > 0)
def test_export_eds(self):
import tempfile
for doctype in {"eds", "dcf"}:
with tempfile.NamedTemporaryFile(suffix="." + doctype,
mode="w+") as tempeds:
print("exporting %s to " % doctype + tempeds.name)
canopen.export_od(self.od, tempeds, doc_type=doctype)
tempeds.flush()
exported_od = canopen.import_od(tempeds.name)
for index in exported_od:
self.assertIn(exported_od[index].name, self.od)
self.assertIn(index, self.od)
for index in self.od:
if index < 0x0008:
# ignore dummies
continue
self.assertIn(self.od[index].name, exported_od)
self.assertIn(index, exported_od)
actual_object = exported_od[index]
expected_object = self.od[index]
self.assertEqual(type(actual_object),
type(expected_object))
self.assertEqual(actual_object.name, expected_object.name)
if type(actual_object
) is canopen.objectdictionary.Variable:
expected_vars = [expected_object]
actual_vars = [actual_object]
else:
expected_vars = [
expected_object[idx] for idx in expected_object
]
actual_vars = [
actual_object[idx] for idx in actual_object
]
for prop in [
"allowed_baudrates",
"vendor_name",
"vendor_number",
"product_name",
"product_number",
"revision_number",
"order_code",
"simple_boot_up_master",
"simple_boot_up_slave",
"granularity",
"dynamic_channels_supported",
"group_messaging",
"nr_of_RXPDO",
"nr_of_TXPDO",
"LSS_supported",
]:
self.assertEqual(
getattr(self.od.device_information, prop),
getattr(exported_od.device_information, prop),
f"prop {prop!r} mismatch on DeviceInfo")
for evar, avar in zip(expected_vars, actual_vars):
self.assertEqual(
getattr(avar, "data_type", None),
getattr(evar, "data_type",
None), " mismatch on %04X:%X" %
(evar.index, evar.subindex))
self.assertEqual(
getattr(avar, "default_raw", None),
getattr(evar, "default_raw",
None), " mismatch on %04X:%X" %
(evar.index, evar.subindex))
self.assertEqual(
getattr(avar, "min", None),
getattr(evar, "min",
None), " mismatch on %04X:%X" %
(evar.index, evar.subindex))
self.assertEqual(
getattr(avar, "max", None),
getattr(evar, "max",
None), " mismatch on %04X:%X" %
(evar.index, evar.subindex))
if doctype == "dcf":
self.assertEqual(
getattr(avar, "value", None),
getattr(evar, "value",
None), " mismatch on %04X:%X" %
(evar.index, evar.subindex))
self.assertEqual(self.od.comments,
exported_od.comments)
