Add a simple test

this is extensible so if we find problems we can copy a minimimzed version
of the affected file in and ensure the problem's fixed

Author: jepler

.github/workflows/build.yml

@@ -48,6 +48,8 @@ jobs:
         git clone --recurse-submodules https://github.com/adafruit/CircuitPython_Community_Bundle.git
         cd CircuitPython_Community_Bundle
         circuitpython-build-bundles --filename_prefix test-bundle --library_location libraries --library_depth 2
+    - name: Munge tests
+      run: pytest
     - name: Build Python package
       run: |
         pip install --upgrade setuptools wheel twine readme_renderer testresources

.gitignore

@@ -10,3 +10,4 @@ version.py
 .env/*
 .DS_Store
 .idea/*
+testcases/*.out

requirements.txt

@@ -1,5 +1,6 @@
 Click
+pytest
 requests
 semver
-wheel
 tomli; python_version < "3.11"
+wheel

testcases/test1.exp

@@ -0,0 +1,33 @@
+
+
+
+
+if 1:
+    pass
+
+
+
+if 1:
+    pass
+
+
+
+
+if 1:
+    pass
+
+
+
+if 1:
+    pass
+
+__version__ = "1.2.3"
+
+if 1:
+    print("is circuitpython")
+
+if 0:
+    print("not circuitpython (1)")
+
+if 0:
+    print("not circuitpython (2)")

testcases/test1.py

@@ -0,0 +1,33 @@
+from __future__ import annotation
+
+try:
+    from typing import TYPE_CHECKING
+except ImportError:
+    pass
+
+try:
+    from typing import TYPE_CHECKING as T
+except ImportError:
+    pass
+
+
+try:
+    import typing
+except:
+    pass
+
+try:
+    import typing as T
+except:
+    pass
+
+__version__ = "0.0.0-auto"
+
+if sys.implementation.name == "circuitpython":
+    print("is circuitpython")
+
+if sys.implementation.name != "circuitpython":
+    print("not circuitpython (1)")
+
+if not sys.implementation.name == "circuitpython":
+    print("not circuitpython (2)")

tests/test_munge.py

@@ -0,0 +1,22 @@
+import sys, pathlib
+import pytest
+
+top = pathlib.Path(__file__).parent.parent
+sys.path.insert(0, str(top))
+
+from circuitpython_build_tools.munge import munge
+
+@pytest.mark.parametrize("test_path", top.glob("testcases/*.py"))
+def test_munge(test_path):
+    result_path = test_path.with_suffix(".out")
+    result_path.unlink(missing_ok = True)
+
+    result_content = munge(test_path, "1.2.3")
+    result_path.write_text(result_content, encoding="utf-8")
+
+    expected = test_path.with_suffix(".exp")
+    expected_content = expected.read_text(encoding="utf-8")
+
+    assert result == expected
+
+    result_path.unlink()