Python 3.12

.github/workflows/build.yml

@@ -26,7 +26,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-20.04, macos-11, windows-2019 ]
-        python-version: [ 3.7, 3.9, 3.8, "3.10", "3.11" ]
+        python-version: [ 3.7, 3.9, 3.8, "3.10", "3.11", "3.12" ]
 
     env:
       PYTHON_VERSION: ${{ matrix.python-version }}
@@ -43,13 +43,15 @@ jobs:
       - name: Install
         run: |
           if [[ "$PYTHON_VERSION" == "3.7" ]] || [[ "$PYTHON_VERSION" == "3.8" ]]; then
-            conda install scipy=1.3 numpy=1.16 nose
+            conda install scipy=1.3 numpy=1.16 pytest
           elif [[ "$PYTHON_VERSION" == "3.9" ]]; then
-            conda install scipy=1.5 numpy=1.19 nose
+            conda install scipy=1.5 numpy=1.19 pytest
           elif [[ "$PYTHON_VERSION" == "3.10" ]]; then
-            conda install scipy=1.7 numpy=1.21 nose
+            conda install scipy=1.7 numpy=1.21 pytest
           elif [[ "$PYTHON_VERSION" == "3.11" ]]; then
-            conda install scipy=1.9.3 numpy=1.23.4 nose
+            conda install scipy=1.9.3 numpy=1.23.4 pytest
+          elif [[ "$PYTHON_VERSION" == "3.12" ]]; then
+            conda install scipy=1.11.3 numpy=1.26.0 pytest
           fi
           if [[ "$RUNNER_OS" == "macOS" ]]; then
             sudo rm -rf /Library/Developer/CommandLineTools
@@ -58,7 +60,7 @@ jobs:
       - name: Test
         run: |
           make install
-          python -m nose
+          python -m pytest
           rm -rf build/
 
   build_wheels:
@@ -69,7 +71,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-20.04, macos-11, windows-2019 ]
-        python-version: [ 3.7, 3.9, "3.10", "3.11" ]
+        python-version: [ 3.7, 3.9, "3.10", "3.11", "3.12" ]
         include:
           - os: ubuntu-20.04
             python-version: 3.8
@@ -107,7 +109,7 @@ jobs:
         env:
           CIBW_BUILD: "cp3${{env.PYTHON_SUBVERSION}}-*"
           CIBW_SKIP: "*-win32 *-manylinux_i686 *-musllinux*"
-        uses: joerick/cibuildwheel@v2.11.2
+        uses: joerick/cibuildwheel@v2.16.5
 
       - name: Build source
         if: ${{env.DEPLOY == 'True' && env.SINGLE_ACTION_CONFIG == 'True'}}

Pipfile

@@ -4,7 +4,7 @@ verify_ssl = true
 name = "pypi"
 
 [dev-packages]
-nose = "*"
+pytest = "*"
 
 [packages]
 numpy = "*"

setup.py

@@ -81,6 +81,5 @@ def finalize_options(self):
         "numpy >= 1.6",
         "scipy >= 0.9"
     ],
-    test_suite='nose.collector',
-    tests_require=['nose']
+    tests_require=['pytest']
 )

src/test_interface.py

@@ -1,35 +1,8 @@
-# for python 3 testing compatibility
-from __future__ import print_function
 import platform
-
-def import_error(msg):
-  print()
-  print("## IMPORT ERROR:", msg)
-  print()
-
-try:
-  from nose.tools import assert_raises, assert_almost_equals
-except ImportError:
-  import_error("Please install nose to run tests.")
-  raise
-
-try:
-  import ecos
-except ImportError:
-  import_error("You must install the ecos module before running tests.")
-  raise
-
-try:
-  import numpy as np
-except ImportError:
-  import_error("Please install numpy.")
-  raise
-
-try:
-  import scipy.sparse as sp
-except ImportError:
-  import_error("Please install scipy.")
-  raise
+import pytest
+import ecos
+import numpy as np
+import scipy.sparse as sp
 
 # global data structures for problem
 c = np.array([-1.])
@@ -39,51 +12,45 @@ def import_error(msg):
 b = np.array([3.])
 dims = {'q': [], 'l': 2}
 
-def check_solution(solution, expected):
-  assert_almost_equals(solution, expected, places=5)
-
-def test_problems():
-  myopts = {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose':True};
-  sol = ecos.solve(c, G, h, dims, **myopts)
-  yield check_solution, sol['x'][0], 4
-
-  sol = ecos.solve(c, G, h, dims, A, b, **myopts)
-  yield check_solution, sol['x'][0], 3
 
-  new_dims = {'q':[2], 'l': 0}
-  sol = ecos.solve(c, G, h, new_dims, **myopts)
-  yield check_solution, sol['x'][0], 2
-
-if platform.python_version_tuple() < ('3','0','0'):
-  def test_problems_with_longs():
-    new_dims = {'q': [], 'l': long(2)}
-    myopts = {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8};
-    sol = ecos.solve(c, G, h, new_dims, **myopts)
-    yield check_solution, sol['x'][0], 4
-
-    sol = ecos.solve(c, G, h, new_dims, A, b, **myopts)
-    yield check_solution, sol['x'][0], 3
-
-    new_dims = {'q':[long(2)], 'l': 0}
-    sol = ecos.solve(c, G, h, new_dims, **myopts)
-    yield check_solution, sol['x'][0], 2
-
-def check_keyword(error_type, keyword, value):
-  assert_raises(error_type, ecos.solve, c,G,h,dims, **{keyword: value})
-
-def test_failures():
-  yield assert_raises, TypeError, ecos.solve
-  yield assert_raises, TypeError, ecos.solve, c, G, h, dims, A
-
-  yield assert_raises, ValueError, ecos.solve, c, G, h, {'q':[], 'l':0}
-  yield assert_raises, TypeError, ecos.solve, c, G, h, {'q':[4], 'l':-2}
-
-  yield check_keyword, TypeError, 'verbose', 0
-  yield check_keyword, ValueError, 'feastol', 0
-  yield check_keyword, ValueError, 'abstol', 0
-  yield check_keyword, ValueError, 'reltol', 0
-  yield check_keyword, ValueError, 'feastol_inacc', 0
-  yield check_keyword, ValueError, 'abstol_inacc', 0
-  yield check_keyword, ValueError, 'reltol_inacc', 0
-  yield check_keyword, ValueError, 'max_iters', -1
-  yield check_keyword, TypeError, 'max_iters', 1.1
+def check_solution(solution, expected):
+    np.testing.assert_almost_equal(solution, expected, decimal=5)
+
+@pytest.mark.parametrize("inputs,expected", [
+    ((c, G, h, dims, {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose': False}), 4),
+    ((c, G, h, dims, A, b, {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose': False}), 3),
+    ((c, G, h, {'q': [2], 'l': 0}, {'feastol': 2e-8, 'reltol': 2e-8, 'abstol': 2e-8, 'verbose': False}), 2)
+])
+def test_problems(inputs, expected):
+    sol = ecos.solve(*inputs[:-1], **inputs[-1])
+    check_solution(sol['x'][0], expected)
+
+
+def test_call_failures():
+    with pytest.raises(TypeError):
+        ecos.solve()
+
+    with pytest.raises(TypeError):
+        ecos.solve(c, G, h, dims, A)
+
+    with pytest.raises(ValueError):
+        ecos.solve(c, G, h, {'q':[], 'l':0})
+
+    with pytest.raises(TypeError):
+        ecos.solve(c, G, h, {'q':[4], 'l':-2})
+
+
+@pytest.mark.parametrize("error_type,keyword,value", [
+    (TypeError, 'verbose', 0),
+    (ValueError, 'feastol', 0),
+    (ValueError, 'abstol', 0),
+    (ValueError, 'reltol', 0),
+    (ValueError, 'feastol_inacc', 0),
+    (ValueError, 'abstol_inacc', 0),
+    (ValueError, 'reltol_inacc', 0),
+    (ValueError, 'max_iters', -1),
+    (TypeError, 'max_iters', 1.1),
+])
+def test_keyword_errors(error_type, keyword, value):
+    with pytest.raises(error_type):
+        ecos.solve(c, G, h, dims, **{keyword: value})

src/test_interface_bb.py

@@ -1,4 +1,3 @@
-from __future__ import print_function
 import ecos
 import numpy as np
 import scipy.sparse as sp
@@ -17,8 +16,6 @@
 
 sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=False, int_vars_idx=bool_idx)
 
-print(sol['x'])
-
 c = np.array([-1., -1.])
 h = np.array([ 4., 12., 0., 0.])
 bool_idx = []
@@ -33,8 +30,6 @@
 
 sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=False, int_vars_idx=bool_idx)
 
-print(sol['x'])
-
 c = np.array([-1., -1.1])
 h = np.array([ 4., 12., 0., 0.])
 bool_idx = [1,0]
@@ -49,8 +44,6 @@
 
 sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=False, int_vars_idx=bool_idx)
 
-print(sol['x'])
-
 
 c = np.array([-1., -1.5])
 h = np.array([ 4., 12., 0. , 0.])
@@ -64,6 +57,4 @@
 dims = dict()
 dims['l'] = 4
 
-sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=True, bool_vars_idx=bool_idx)
-print(sol)
-print(sol['x'])
+sol = ecos.solve(c, G, h, dims, verbose=False, mi_verbose=True, bool_vars_idx=bool_idx)