add tests and types for pipeline interface

tests/test_pipelines.py

@@ -0,0 +1,31 @@
+import importlib
+import json
+from unittest.mock import patch
+
+import pytest
+
+import delta_barth.pipelines
+from delta_barth import pipelines as pl
+from delta_barth.errors import STATUS_HANDLER
+
+
+@pytest.mark.new
+def test_sales_prognosis_pipeline(exmpl_api_sales_prognosis_resp):
+    def mock_request(*args, **kwargs):
+        return exmpl_api_sales_prognosis_resp, STATUS_HANDLER.SUCCESS
+
+    with patch(
+        "delta_barth.api.requests.get_sales_prognosis_data",
+        new=mock_request,
+    ):
+        importlib.reload(delta_barth.pipelines)
+        json_resp, json_stat = pl.pipeline_sales_forecast(None, None)
+
+    assert isinstance(json_resp, str)
+    assert isinstance(json_stat, str)
+    parsed_resp = json.loads(json_resp)
+    assert "daten" in parsed_resp
+    assert len(parsed_resp["daten"]) > 0
+    parsed_stat = json.loads(json_stat)
+    assert "code" in parsed_stat
+    assert parsed_stat["code"] == 0