Append ".exe" suffix to masks on Windows

CHANGELOG.md

@@ -1,6 +1,10 @@
 # 1.2.1
 
-- Remove `from_parent()` warnings in pytest 5.4.2+.
+- Remove `from_parent()`-related warnings in pytest 5.4.2+.
+
+- Masks like `*_test` now work correctly on Windows by automatically appending the
+  expected `".exe"` suffix (#45).
+  Thanks @1fabrism for the report.
 
 # 1.2.0
 

pytest_cpp/plugin.py

@@ -1,5 +1,6 @@
 import os
 import stat
+import sys
 
 import pytest
 
@@ -16,6 +17,12 @@
 # pytest 5.4 introduced the 'from_parent' constructor
 needs_from_parent = hasattr(pytest.Item, "from_parent")
 
+def matches_any_mask(path, masks):
+    """Return True if the given path matches any of the masks given"""
+    if sys.platform.startswith("win"):
+        masks = [m + ".exe" for m in masks]
+    return any(path.fnmatch(m) for m in masks)
+
 
 def pytest_collect_file(parent, path):
     try:
@@ -34,12 +41,10 @@ def pytest_collect_file(parent, path):
     # don't attempt to check *.py files even if they were given as explicit arguments
     if cpp_ignore_py_files and path.fnmatch('*.py'):
         return
-    if not parent.session.isinitpath(path):
-        for pat in masks:
-            if path.fnmatch(pat):
-                break
-        else:
-            return
+
+    if not parent.session.isinitpath(path) and not matches_any_mask(path, masks):
+        return
+
     for facade_class in FACADES:
         if facade_class.is_test_suite(str(path)):
             if needs_from_parent:

tests/test_pytest_cpp.py

@@ -400,6 +400,23 @@ def test_race_condition_on_collect(tmpdir):
     assert pytest_cpp.plugin.pytest_collect_file(None, tmpdir / 'invalid-file') is None
 
 
+def test_exe_mask_on_windows(tmpdir, monkeypatch):
+    """
+    Test for #45: C++ tests not collected due to '*_test' mask on Windows
+    """
+    import pytest_cpp.plugin
+    monkeypatch.setattr(sys, "platform", "win32")
+
+    fn = tmpdir.join("generator_demo_test.exe").ensure(file=1)
+    assert pytest_cpp.plugin.matches_any_mask(fn, ["test_*", "*_test"])
+
+    fn = tmpdir.join("test_generator_demo.exe").ensure(file=1)
+    assert pytest_cpp.plugin.matches_any_mask(fn, ["test_*", "*_test"])
+
+    fn = tmpdir.join("my_generator_test_demo.exe").ensure(file=1)
+    assert not pytest_cpp.plugin.matches_any_mask(fn, ["test_*", "*_test"])
+
+
 class TestError:
 
     def test_get_whitespace(self):