test for python 3.11

.github/workflows/python_package.yml

@@ -4,15 +4,15 @@ on: [push]
 
 jobs:
   build:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     strategy:
       fail-fast: false
       max-parallel: 3
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10']
+        python-version: ['3.8', '3.9', '3.10', '3,11']
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}
       uses: actions/setup-python@v4
       with:

tests/unit/test_variable.py

@@ -36,15 +36,6 @@ def test_get_subset(variable, X, t, Z, index):
     assert np.array_equal(var2.Z, Z[index, :])
 
 
-def test_delete(variable, mocker):
-    delete_X = mocker.patch("physbo.variable.delete_X")
-    delete_t = mocker.patch("physbo.variable.delete_t")
-    delete_Z = mocker.patch("physbo.variable.delete_Z")
-    variable.delete(1)
-    delete_X.assert_called_once_with(1)
-    delete_t.assert_called_once_with(1)
-    delete_Z.assert_called_once_with(1)
-
 
 @pytest.mark.parametrize("index", [2, [0, 1]])
 def test_delete_X(variable, X, index):
@@ -68,13 +59,10 @@ def test_delete_Z(variable, Z, index):
 
 
 def test_add(variable, X, t, Z, mocker):
-    add_X = mocker.patch("physbo.variable.add_X")
-    add_t = mocker.patch("physbo.variable.add_t")
-    add_Z = mocker.patch("physbo.variable.add_Z")
     variable.add(X, t, Z)
-    add_X.assert_called_once_with(X)
-    add_t.assert_called_once_with(t)
-    add_Z.assert_called_once_with(Z)
+    assert np.array_equal(variable.X, np.vstack((X,X)))
+    assert np.array_equal(variable.t, np.hstack((t,t)))
+    assert np.array_equal(variable.Z, np.vstack((Z,Z)))
 
 
 def test_add_X(variable, X):

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 requires = tox>=4
-envlist = py37, py38, py39, py310, docs
+envlist = py37, py38, py39, py310, py311, docs
 isolated_build = true
 
 [gh-actions]
@@ -9,6 +9,7 @@ python =
   '3.8': py38
   '3.9': py39
   '3.10': py310
+  '3.11': py311
 
 [testenv]
 deps =