Fix wrong condition check

rhpvorderman · rhpvorderman · commit 1ad041dd08a2 · 2024-03-27T16:54:22.000+01:00
diff --git a/src/xopen/__init__.py b/src/xopen/__init__.py
@@ -732,7 +732,7 @@ def _filepath_from_path_or_filelike(fileorpath: FileOrPath) -> str:
 def _file_is_a_socket_or_pipe(filepath):
     try:
         mode = os.stat(filepath).st_mode
-        return not (stat.S_ISFIFO(mode) or stat.S_ISSOCK(mode) or stat.S_ISPORT(mode))
+        return stat.S_ISFIFO(mode) or stat.S_ISSOCK(mode) or stat.S_ISPORT(mode)
     except (OSError, TypeError):  # Type error for unexpected types in stat.
         return False
 
diff --git a/tests/test_xopen.py b/tests/test_xopen.py
@@ -642,7 +642,7 @@ def test_pass_bytesio_for_reading_and_writing(ext, threads):
 def test_xopen_stdin(monkeypatch, ext, threads):
     if ext == ".zst" and zstandard is None:
         return
-    with open(TEST_DIR / f"file.txt{ext}") as in_file:
+    with open(TEST_DIR / f"file.txt{ext}", "rt") as in_file:
         monkeypatch.setattr("sys.stdin", in_file)
         with xopen("-", "rt", threads=threads) as f:
             data = f.read()
