Add tests for overriding epoch and type output

Author: glopesdev

tests/test_reader.py

@@ -1,4 +1,6 @@
+import numpy as np
 from pytest import mark
+from harp.io import REFERENCE_EPOCH, MessageType
 from harp.reader import create_reader
 from tests.params import DeviceSchemaParam
 
@@ -18,8 +20,13 @@
 
 @mark.parametrize("schemaFile", testdata)
 def test_create_reader(schemaFile: DeviceSchemaParam):
-    reader = create_reader(schemaFile.path)
+    reader = create_reader(schemaFile.path, epoch=REFERENCE_EPOCH)
     schemaFile.assert_schema(reader.device)
 
     whoAmI = reader.WhoAmI.read()
     assert reader.device.whoAmI == whoAmI.iloc[0, 0]
+    assert whoAmI.index.dtype.type == np.datetime64
+
+    whoAmI = reader.WhoAmI.read(epoch=None, keep_type=True)
+    assert whoAmI.index.dtype.type == np.float64
+    assert whoAmI.iloc[0, -1] == MessageType.READ.name