Refactor CI workflows and add install check

.github/workflows/install_check.yml

@@ -0,0 +1,37 @@
+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_verification
+        cp tests/verify_install.py test_verification/
+        cd test_verification
+        python verify_install.py

.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/tests.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

tests/verify_install.py

@@ -0,0 +1,46 @@
+import delayed_assert
+import sys
+
+print(f'Successfully imported delayed_assert from {delayed_assert.__file__}')
+
+from delayed_assert import expect, assert_expectations, test_case, set_check_caller
+
+# Verify basic functionality
+# We must disable caller check because we are calling expect() from top-level scope
+set_check_caller(False)
+try:
+    expect(1 == 1)
+    assert_expectations()
+    print('Basic functionality verification passed')
+except Exception as e:
+    print(f'Failed: {e}')
+    sys.exit(1)
+
+# Re-enable for decorator check (though decorator handles it regardless of flag? 
+# No, decorator sets context, which expect() checks. Flag only matters if context/stack fails.)
+set_check_caller(True)
+
+# Verify @test_case matches
+@test_case
+def run_check():
+    expect(1 == 1)
+
+try:
+    run_check()
+    assert_expectations()
+    print('Decorator verification passed')
+except Exception as e:
+    print(f'Decorator Failed: {e}')
+    sys.exit(1)
+
+# Verify that test files are NOT installed as top-level modules
+modules_to_check = ['test_issue_15', 'test_color_toggle', 'test_issue_33']
+print('Verifying test modules are not leaking...')
+for module in modules_to_check:
+    try:
+        __import__(module)
+        print(f'ERROR: {module} was definitely imported! It should not be installed.')
+        sys.exit(1)
+    except ImportError:
+        pass # This is expected
+print('Clean installation verified (no test modules leaked)')