Merge pull request #131 from EwoutH/ci-pytest-py310

CI: Use Pytest instead of Nose, update default build to Python 3.10

.github/workflows/ci.yml

@@ -12,13 +12,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        python-version: ["3.9"]
+        python-version: ["3.10"]
         include:
+          - os: ubuntu-latest
+            python-version: "3.9"
           - os: ubuntu-latest
             python-version: "3.8"
-          # Python 3.10 run is disabled, because nose doesn't support Python 3.10
-          #- os: ubuntu-latest
-          #  python-version: "3.10"
 
     steps:
     - uses: actions/checkout@v3
@@ -30,19 +29,19 @@ jobs:
     - name: Install dependencies
       run: |
         pip install --upgrade pip
-        pip install flake8 nose nose-exclude coverage coveralls
+        pip install flake8 pytest pytest-cov coverage coveralls
         pip install -r requirements.txt
     - name: Lint with flake8
       run: |
         # stop the build if there are Python syntax errors or undefined names
         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 with Pytest
       run:
-        nosetests --exclude-dir=./test/test_connectors --with-coverage --verbose --cover-package=ema_workbench.em_framework --cover-package=ema_workbench.util --cover-package=ema_workbench.analysis
+        pytest --ignore=./test/test_connectors -v --cov=ema_workbench/em_framework --cov=ema_workbench/util --cov=ema_workbench/analysis
     - name: Coveralls
-      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.9'
+      if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10'
       env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: coveralls --service=github