Refactor workflows to replace tox

Author: waylan

.github/workflows/python-package.yml

@@ -1,25 +1,57 @@
 name: Tests
 
 on:
-  push:
+  pull_request:
+    branches:
+    - '**'
 
 jobs:
-  check:
-    runs-on: ubuntu-latest
+  test:
     strategy:
+      fail-fast: false
       matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
         python-version: [3.7, 3.8, 3.9, 3.10, pypy-3.6, pypy-3.7]
+    runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v2
-    - name: Set up Python ${{ matrix.python-version }}
+    - name: Setup Python ${{ matrix.python-version }}
       uses: actions/setup-python@v2
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Install system dependencies
-      run: |
-        sudo gem install chef-utils -v 16.6.14
-        sudo gem install mdl
     - name: Install dependencies
-      run: python -m pip --disable-pip-version-check install tox
-    - name: Test with tox
-      run: tox
+      run: |
+        python -m pip install --upgrade pip coverage pyyaml
+    - name: Run tests
+      run: |
+        coverage run {toxinidir}/test_gh_links.py
+    - name: Generate coverage report
+      if: success()
+      run: |
+        coverage xml
+        coverage report --show-missing --include=mdx_gh_links.py
+    - name: Upload Results
+      if: success()
+      uses: codecov/codecov-action@v1
+      with:
+        file: ./coverage.xml
+        flags: unittests
+        name: ${{ matrix.os }}/Python ${{ matrix.python-version }}
+        fail_ci_if_error: false
+
+  flake8:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: TrueBrain/actions-flake8@master
+        with:
+          max_line_length: 118
+
+  mdlint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: DavidAnson/markdownlint-cli2-action@v11
+        with:
+          config: '.markdownlint.jsonc'
+          globs: '**/*.md'

.markdownlint.jsonc

@@ -0,0 +1,8 @@
+{
+  // Markdownlint rules
+  "config": {
+    "default": true,
+    # Disable line length check for tables and code blocks
+    "MD013": { "line_length": 80, "code_blocks": false, "tables": false},
+  }
+}