diff --git a/test/conftest.py b/test/conftest.py
index d1ff9fa62..2427882dc 100644
--- a/test/conftest.py
+++ b/test/conftest.py
@@ -65,6 +65,25 @@ def converters_dataframe():
     )
 
 
+@pytest.fixture(scope="function")
+def links_dataframe():
+    return pd.DataFrame(
+        {
+            "link_id": "link_5231_5232",
+            "bus0": 5231,
+            "bus1": 5232,
+            "voltage": 380.0,
+            "p_nom": 600.0,
+            "length": 1000.0,
+            "underground": "t",
+            "under_construction": "f",
+            "geometry": "'LINESTRING(6.8884 45.6783 ",
+            "": "6.8894 45.6793)'",
+        },
+        index=[0],
+    )
+
+
 @pytest.fixture(scope="function")
 def transformers_dataframe():
     return pd.DataFrame(
diff --git a/test/test_base_network.py b/test/test_base_network.py
index 76e0f6790..8a783185b 100644
--- a/test/test_base_network.py
+++ b/test/test_base_network.py
@@ -25,6 +25,8 @@
     _load_buses,
     _load_converters_from_eg,
     _load_converters_from_osm,
+    _load_links_from_eg,
+    _load_links_from_osm,
     _load_transformers,
 )
 
@@ -205,6 +207,78 @@ def test_load_converters_from_osm(
     assert df_converters_comparison.empty
 
 
+def test_load_links_from_eg(tmpdir, buses_dataframe, config, links_dataframe):
+    """
+    Verify what returned by _load_links_from_eg.
+    """
+    df_links_reference = pd.DataFrame(
+        {
+            "link_id": "link_5231_5232",
+            "bus0": "5231",
+            "bus1": "5232",
+            "voltage": 380.0,
+            "p_nom": 600.0,
+            "length": 1.0,
+            "underground": True,
+            "under_construction": False,
+            "geometry": "LINESTRING(6.8884 45.6783 ,6.8894 45.6793)",
+            "carrier": "DC",
+        },
+        index=[0],
+    )
+    buses_path = pathlib.Path(tmpdir, "buses.csv")
+    buses_dataframe.to_csv(buses_path, index=False)
+    countries = config["countries"]
+    italy_shape = pathlib.Path(path_cwd, "test", "test_data", "italy_shape.geojson")
+    df_buses = _load_buses(buses_path, italy_shape, countries, config)
+    links_path = pathlib.Path(tmpdir, "links_exercise.csv")
+    links_dataframe.to_csv(links_path, index=False)
+    df_links_output = (
+        _load_links_from_eg(df_buses, links_path)
+        .drop("Unnamed: 9", axis=1)
+        .reset_index()
+    )
+    df_links_comparison = df_links_output.compare(df_links_reference)
+    pathlib.Path.unlink(links_path)
+    assert df_links_comparison.empty
+
+
+def test_load_links_from_osm(tmpdir, buses_dataframe, config, links_dataframe):
+    """
+    Verify what returned by _load_links_from_osm.
+    """
+    df_links_reference = pd.DataFrame(
+        {
+            "link_id": "link_5231_5232",
+            "bus0": "5231",
+            "bus1": "5232",
+            "voltage": 380.0,
+            "p_nom": 600.0,
+            "length": 1.0,
+            "underground": True,
+            "under_construction": False,
+            "geometry": "LINESTRING(6.8884 45.6783 ,6.8894 45.6793)",
+            "carrier": "DC",
+        },
+        index=[0],
+    )
+    buses_path = pathlib.Path(tmpdir, "buses.csv")
+    buses_dataframe.to_csv(buses_path, index=False)
+    countries = config["countries"]
+    italy_shape = pathlib.Path(path_cwd, "test", "test_data", "italy_shape.geojson")
+    df_buses = _load_buses(buses_path, italy_shape, countries, config)
+    links_path = pathlib.Path(tmpdir, "links_exercise.csv")
+    links_dataframe.to_csv(links_path, index=False)
+    df_links_output = (
+        _load_links_from_osm(df_buses, links_path)
+        .drop("Unnamed: 9", axis=1)
+        .reset_index()
+    )
+    df_links_comparison = df_links_output.compare(df_links_reference)
+    pathlib.Path.unlink(links_path)
+    assert df_links_comparison.empty
+
+
 def test_load_transformers(tmpdir, buses_dataframe, config, transformers_dataframe):
     """
     Verify what returned by _load_transformers.