TST: Add tests for a single file at a time.

Author: DWesl

README.rst

@@ -1,28 +1,6 @@
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pyproject.toml

@@ -10,3 +10,8 @@ version_scheme = "no-guess-dev"
 
 [project.scripts]
 check_python_h_first = "check_python_h_first.__main__:main"
+
+[project]
+dynamic = ["version", "readme", "optional-dependencies"]
+name = "check-python-h-first"
+description = "Script to check whether Python.h is included first in any relevant files."

tests/myheader.h

@@ -0,0 +1 @@
+#include <Python.h>

tests/numpy_system.c

@@ -0,0 +1,2 @@
+#include "numpy/npy_common.h"
+#include <sys/time.h>

tests/python_h_only.c

@@ -0,0 +1 @@
+#include <Python.h>

tests/python_h_system.c

@@ -0,0 +1,2 @@
+#include <Python.h>
+#include <sys/time.h>

tests/system_python_h.c

@@ -0,0 +1,2 @@
+#include <sys/time.h>
+#include <Python.h>

tests/test_single_file.py

@@ -0,0 +1,23 @@
+"""Test check_python_h_included_first on a single file at a time."""
+
+import glob
+import os.path
+
+import pytest
+
+from check_python_h_first.single_file import check_python_h_included_first
+
+THIS_DIR = os.path.dirname(__file__)
+
+HEADER_LIST = glob.glob(os.path.join(THIS_DIR, "*.h"))
+SOURCE_LIST = glob.glob(os.path.join(THIS_DIR, "*.c"))
+
+
+@pytest.mark.parametrize("file", HEADER_LIST + SOURCE_LIST)
+def test_files(file: str):
+    """Test whether function on a single file."""
+    actual = check_python_h_included_first(file)
+    if os.path.basename(file).startswith("system"):
+        assert actual > 0
+    else:
+        assert actual == 0