made test_open_2Dnetwork_with_1Dtopology

tests/test_xugrid_helpers.py

@@ -114,11 +114,24 @@ def test_uds_auto_set_crs_spherical():
     assert uds.grid.is_geographic is True
 
 
-@pytest.mark.requireslocaldata
 @pytest.mark.unittest
-def test_open_2Dnetwork_with_1Dtopology():
-    file_nc = r'p:\1204257-dcsmzuno\2006-2012\3D-DCSM-FM\A18b_ntsu1\DCSM-FM_0_5nm_grid_20191202_depth_20181213_net.nc'
-    uds = dfmt.open_partitioned_dataset(file_nc)
+def test_open_2Dnetwork_with_1Dtopology(tmp_path):
+    file_nc = dfmt.data.fm_grevelingen_map(return_filepath=True).replace('0*','0002')
+
+    # save as new network with only the 1D information in the mesh_topology
+    mesh1d_attrs = {'cf_role': 'mesh_topology',
+     'long_name': 'Topology data of 1D network',
+     'topology_dimension': 1,
+     'node_coordinates': 'mesh2d_node_x mesh2d_node_y',
+     'node_dimension': 'nmesh2d_node',
+     'edge_node_connectivity': 'mesh2d_edge_nodes',
+     'edge_dimension': 'nmesh2d_edge'}
+    ds = xr.open_dataset(file_nc, decode_cf=False, decode_times=False, decode_coords=False)
+    ds['mesh2d'] = ds['mesh2d'].assign_attrs(mesh1d_attrs)
+    file_nc_out = os.path.join(tmp_path, "network_1d_net.nc")
+    ds.to_netcdf(file_nc_out)
+
+    uds = dfmt.open_partitioned_dataset(file_nc_out)
     assert isinstance(uds.grid, xu.ugrid.ugrid1d.Ugrid1d)
     assert not hasattr(uds.grid, "face_node_connectivity")
 
@@ -129,7 +142,7 @@ def test_open_2Dnetwork_with_1Dtopology():
     # test projected attr, xugrid automatically sets standard_name 
     # based on projected property
     node_x = uds_withcellinfo.grid.to_dataset().mesh2d_node_x
-    assert node_x.attrs['standard_name'] == "longitude"
+    assert node_x.attrs['standard_name'] == "projection_x_coordinate"
 
 
 @pytest.mark.unittest