Test conditional collection on PyPy and CPython

.github/workflows/examples.yml

@@ -11,18 +11,22 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        python-version: ["pypy-3.7", "3.9"]
         target: [
             "src-layout",
             "adhoc-layout",
         ]
-
+        include:
+          # Add new helper variables to existing jobs
+          - {python-version: "pypy-3.7", tox-python-version: "pypy3"}
+          - {python-version: "3.9", tox-python-version: "py39"}
     steps:
       - uses: actions/checkout@v2
 
-      - name: Set up Python
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: ${{ matrix.python-version }}
 
       - name: Cache
         uses: actions/cache@v2
@@ -42,4 +46,4 @@ jobs:
       - name: Examples
         run: |
           cd examples/${{ matrix.target }}
-          tox -v
+          tox -v -e ${{ matrix.tox-python-version }}

examples/adhoc-layout/example/__init__.py

@@ -1,2 +1,11 @@
-def add(a, b):
-    return a + b
+import platform
+
+# test merging multiple tox runs with a platform
+# based branch
+if platform.python_implementation() == "PyPy":
+    def add(a, b):
+        return a + b
+
+else:
+    def add(a, b):
+        return a + b

examples/adhoc-layout/tox.ini

@@ -1,13 +1,13 @@
 [tox]
-envlist = py38,report
+envlist = pypy3,py39,report
 
 [tool:pytest]
 addopts =
     --cov-report=term-missing
 
 [testenv]
 setenv =
-    py38: COVERAGE_FILE = .coverage.{envname}
+    py{py3,39}: COVERAGE_FILE = .coverage.{envname}
 commands = pytest --cov --cov-config={toxinidir}/.coveragerc {posargs:-vv}
 deps =
     pytest
@@ -19,7 +19,7 @@ deps =
     ../..
 
 depends =
-    report: py38
+    report: pypy3,py39
 
 # note that this is necessary to prevent the tests importing the code from your badly laid project
 changedir = tests

examples/src-layout/src/example/__init__.py

@@ -1,2 +1,11 @@
-def add(a, b):
-    return a + b
+import platform
+
+# test merging multiple tox runs with a platform
+# based branch
+if platform.python_implementation() == "PyPy":
+    def add(a, b):
+        return a + b
+
+else:
+    def add(a, b):
+        return a + b

examples/src-layout/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py38,report
+envlist = pypy3,py39,report
 
 [tool:pytest]
 testpaths = tests
@@ -8,7 +8,7 @@ addopts =
 
 [testenv]
 setenv =
-    py38: COVERAGE_FILE = .coverage.{envname}
+    py{py3,39}: COVERAGE_FILE = .coverage.{envname}
 commands = pytest --cov {posargs:-vv}
 deps =
     pytest
@@ -20,7 +20,7 @@ deps =
     ../..
 
 depends =
-    report: py38
+    report: pypy3,py39
 
 [testenv:report]
 skip_install = true