fix issue Rohde-Schwarz#22: add getter/setter for date

src/RsWaveform/meta/defaults.py

@@ -12,6 +12,7 @@
     "peak": None,
     "samples": None,
     "reflevel": None,
+    "date": None,
 }
 
 META_IQTAR_DEFAULTS = {

src/RsWaveform/meta/meta_wv.py

@@ -1,5 +1,5 @@
 """WV meta data for Storage container."""
-
+import datetime
 import typing
 
 import numpy as np
@@ -115,3 +115,12 @@ def reflevel(self) -> typing.Optional[float]:
     @reflevel.setter
     def reflevel(self, value: float) -> None:
         self._items["reflevel"] = value
+
+    @property
+    def date(self) -> typing.Optional[datetime.datetime]:
+        """The timestamp of the loaded file."""
+        return self._items.get("date")
+
+    @date.setter
+    def date(self, value: float) -> None:
+        self._items["date"] = value

tests/test_wv.py

@@ -137,6 +137,13 @@ def test_loader_meta_only(reference_waveform_file_name: str, meta):
     assert obtained_meta == ref_meta
 
 
+def test_meta_provides_date_field(reference_waveform_file_name: str, meta):
+    loader = Load()
+    parent_storage = loader.load_meta(reference_waveform_file_name)
+    obtained_meta = parent_storage.storages[0].meta
+    assert obtained_meta.date == meta["date"]
+
+
 def test_loader_mwv(
     reference_waveform_mwv_file_name: str, meta_mwv: dict, reference_mwv: np.ndarray
 ):