Make sure close method of raw files is tested

Author: rhpvorderman

src/isal/igzip_threaded.py

@@ -88,7 +88,7 @@ def __init__(self, fp, queue_size=4, block_size=8 * 1024 * 1024):
         self.running = True
         self.worker.start()
 
-    def _check_closed(self, msg = None):
+    def _check_closed(self, msg=None):
         if self._closed:
             raise ValueError("I/O operation on closed file")
 
@@ -212,7 +212,7 @@ def __init__(self,
         self._write_gzip_header()
         self.start()
 
-    def _check_closed(self, msg = None):
+    def _check_closed(self, msg=None):
         if self._closed:
             raise ValueError("I/O operation on closed file")
 

tests/test_igzip_threaded.py

@@ -84,16 +84,16 @@ def test_threaded_write_error(monkeypatch):
 
 
 def test_close_reader():
-    f = igzip_threaded.open(TEST_FILE, "rb")
+    tmp = io.BytesIO(Path(TEST_FILE).read_bytes())
+    f = igzip_threaded._ThreadedGzipReader(tmp, "rb")
     f.close()
     assert f.closed
     # Make sure double closing does not raise errors
     f.close()
 
 
 def test_close_writer():
-    raw = tempfile.TemporaryFile()
-    f = igzip_threaded.open(raw, "wb")
+    f = igzip_threaded._ThreadedGzipWriter(io.BytesIO(), "wb")
     f.close()
     assert f.closed
     # Make sure double closing does not raise errors