Switch from abandoned nose to pytest to support Python 3.10

Author: hugovk

Diff for: .github/workflows/pythonpackage.yml

@@ -22,7 +22,7 @@ jobs:
       with:
         fetch-depth: 1000
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -35,9 +35,9 @@ jobs:
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
         # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Test with nose
+    - name: Test
       run: |
-        pip install nose
+        pip install pytest
         ulimit -n 48
         ulimit -n
-        nosetests -v
+        pytest -v

Diff for: Makefile

@@ -24,11 +24,11 @@ clean-files:
 clean: clean-files clean-docs
 
 test:
-	nosetests
+	pytest
 
 coverage:
-	nosetests --with-coverage --cover-package=smmap
-	
+	pytest --cov smmap --cov-report xml
+
 build:
 	./setup.py build
 

Diff for: setup.py

@@ -47,6 +47,4 @@
     ],
     long_description=long_description,
     long_description_content_type='text/markdown',
-    tests_require=('nose', 'nosexcover'),
-    test_suite='nose.collector'
 )

Diff for: tox.ini

@@ -7,10 +7,10 @@
 envlist = flake8, py36, py37, py38, py39, py310
 
 [testenv]
-commands = nosetests {posargs:--with-coverage --cover-package=smmap}
+commands = {envpython} -m pytest --cov smmap --cov-report xml {posargs}
 deps =
-    nose
-    nosexcover
+    pytest
+    pytest-cov
 
 [testenv:flake8]
 commands = flake8 {posargs}