tests: add getSeries test

tests/test_nbia_series_functions.py

@@ -43,6 +43,13 @@ def nbia_collections_by_colMoldality(nbia_client: NBIAClient, nbia_patients_df):
     return nbia_collections_by_colMoldality
 
 
+@pytest.fixture(scope="session")
+def nbia_series(nbia_client):
+    series = "1.3.6.1.4.1.14519.5.2.1.9203.4004.652695091345533290618011349477"
+    series_df = nbia_client.getSeries(SeriesInstanceUID=series, return_type="dataframe")
+    return series_df
+
+
 def test_tcga_studies(tcga_studies):
 
     assert isinstance(tcga_studies, list)
@@ -79,3 +86,19 @@ def test_getNewPatients(nbia_patients_df):
 def test_nbia_collections_by_colMoldality(nbia_collections_by_colMoldality):
     assert isinstance(nbia_collections_by_colMoldality, list)
     assert len(nbia_collections_by_colMoldality) > 1
+
+
+def test_getSeries(nbia_series):
+    assert isinstance(nbia_series, pd.DataFrame)
+    assert len(nbia_series) == 1
+    expected_cols: list[str] = [
+        "SeriesInstanceUID",
+        "StudyInstanceUID",
+        "Modality",
+        "SeriesDescription",
+        "BodyPartExamined",
+        "Collection",
+        "PatientID",
+        "SeriesNumber",
+    ]
+    assert all(col in nbia_series.columns for col in expected_cols)