Adding NLIST methods and unit tests.

src/ansys/mapdl/core/commands.py

@@ -53,7 +53,7 @@
 # Some of them are not documented (already deprecated?)
 # So they are not in the Mapdl class,
 # so they won't be wrapped.
-CMD_LISTING = [
+CMD_RESULT_LISTING = [
     "NLIN",  # not documented
     "PRCI",
     "PRDI",  # Not documented.
@@ -83,6 +83,19 @@
 
 CMD_BC_LISTING = ["FLIS", "DLIS"]
 
+CMD_ENTITY_LISTING = [
+    "NLIS",
+    # "ELIS", # To be implemented later
+    # "KLIS",
+    # "LLIS",
+    # "ALIS",
+    # "VLIS",
+]
+
+CMD_LISTING = []
+CMD_LISTING.extend(CMD_ENTITY_LISTING)
+CMD_LISTING.extend(CMD_RESULT_LISTING)
+
 # Adding empty lines to match current format.
 docstring_injection = """
 Returns

tests/test_commands.py

@@ -657,3 +657,16 @@ def test_string_with_literal():
     assert output.__repr__() == output
     assert output.__repr__() == base_
     assert len(output.split()) == 2
+
+
+def test_nlist_to_array(mapdl, beam_solve):
+    # This kinternal include the internal points, so it matches the
+    # number of nodes with midside nodes.
+    nlist = mapdl.nlist(kinternal="internal")
+    assert isinstance(nlist.to_list(), list)
+    assert isinstance(nlist.to_array(), np.ndarray)
+
+    # above asserts should be removed once fixed the midside issue.
+    assert len(nlist.to_list()) == len(mapdl.mesh.nodes)
+    assert len(nlist.to_array()) == len(mapdl.mesh.nodes)
+    assert np.allclose(nlist.to_array()[:, 1:4], mapdl.mesh.nodes)