CI Refactor: Split workflows and add install check

- Split monolithic python-package.yml into:
  - lint.yml (flake8, pycodestyle, pydocstyle)
  - tests.yml (unit tests with parallel execution)
- Added install_check.yml to verify 'pip install .' works on branches and releases

Author: pr4bh4sh

.github/workflows/install_check.yml

@@ -0,0 +1,43 @@
+name: Install from Source Check
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+  release:
+    types: [published]
+
+jobs:
+  install-test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9', '3.10', '3.11']
+    
+    steps:
+    - uses: actions/checkout@v2
+    
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+        
+    - name: Install from source
+      run: |
+        python -m pip install --upgrade pip
+        pip install .
+        
+    - name: Verify installation
+      run: |
+        # Change directory to ensure we test the installed package, not the local source
+        mkdir test_install
+        cd test_install
+        python -c "
+        import delayed_assert
+        print(f'Successfully imported delayed_assert from {delayed_assert.__file__}')
+        from delayed_assert import expect, assert_expectations
+        expect(1 == 1)
+        assert_expectations()
+        print('Basic functionality verification passed')
+        "

.github/workflows/lint.yml

@@ -0,0 +1,31 @@
+name: Linting
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.9
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install linters
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install flake8 pycodestyle pydocstyle
+    - 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: Lint with pycodestyle
+      run: pycodestyle delayed_assert/
+    - name: Lint with pydocstyle
+      run: pydocstyle delayed_assert/

.github/workflows/python-package.yml

@@ -0,0 +1,30 @@
+name: Tests
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [3.8, 3.9, '3.10', '3.11']
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        python -m pip install pytest pytest-xdist
+        if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
+    - name: Run tests (Parallel)
+      run: |
+        pytest -n auto