Extract time period from dapla dataset path - set up class, method an…

…d test for extracting date from

src/datadoc/backend/dapla_dataset_path_info.py

@@ -0,0 +1,12 @@
+"""Extract info from an path following SSB`s naming convention."""
+
+
+class DaplaDatasetPathInfo:
+    """Extract info from an path following SSB`s naming convention."""
+
+    def __init__(self, dataset_path: str) -> None:
+        """Read info from an path following SSB`s naming convention."""
+
+    def contains_data_from(self) -> None:
+        """Read dataset from date in ISO format year-month-day."""
+        return

tests/backend/test_dapla_dataset_path_info.py

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+import datetime
+
+from datadoc.backend.dapla_dataset_path_info import DaplaDatasetPathInfo
+
+
+def test_exctract_period_info_date_from():
+    file_name = "ufo_observasjoner_p2019_p2020_v1.parquet"
+    dapla_dataset = DaplaDatasetPathInfo(file_name)
+    assert dapla_dataset.contains_data_from() == datetime.date(2019, 1, 1)