ci: expanding testsuite to make sure pypi deployments are valid

.github/workflows/build.yml

@@ -1,21 +1,40 @@
 ---
-name: build
-on: [push]
+name: build-and-test
+on: [push, release]
 jobs:
-  build:
+  test-source-install:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
         with:
           python-version: 3.8
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install -r requirements.txt
-          pip install -e .
+      - name: Install package from source
+        run: pip install -e .
+      - name: Test package from source
+        run: |
           python -c "import paperscraper"
-      - name: Run test suite
+          python -m pytest -sv paperscraper
+  verify-current-pypi-install:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Install package from PyPI
+        run: |
+          python -m pip install --upgrade pip
+          pip install paperscraper
+      - name: Test package from PyPI
         run: |
+          python -c "import paperscraper"
           python -m pytest -sv paperscraper
 
+

.github/workflows/pypi.yml

@@ -13,6 +13,7 @@ jobs:
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
+          # pip install -r requirements.txt # not recommended
           pip install setuptools wheel twine
       - name: Build and publish
         env:

.github/workflows/test_pypi.yml

@@ -0,0 +1,36 @@
+---
+name: PyPI
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  verify-master-for-potential-pypi-release:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install setuptools wheel twine
+
+    - name: Build package
+      run: |
+        python setup.py sdist bdist_wheel
+
+    - name: Install from built distribution
+      run: |
+        pip install dist/*
+
+    - name: Run tests
+      run: |
+        python -m pytest paperscraper