Trying to make a correctly failing test

testings/test_open.py

@@ -33,6 +33,8 @@
 files = os.listdir(d)
 corrupt_filenames = [d + f for f in files if f[-4:] in [".sif", ".SIF"]]
 
+corrupt_filenames2 = [THIS_DIR + '/corrupt_data2/tmp.sif']
+
 d = THIS_DIR + "/spool_data/"
 spool_file_dirs = []
 for e in [d + "/data_corrupted/"]:
@@ -191,6 +193,13 @@ def test_corrupt_file(filename):
     with pytest.raises(ValueError) as e_info:
         data, info = sif_parser.np_open(filename)
 
+    # try open with a write mode to make sure the file is closed
+    try:
+        data, info = sif_parser.np_open(filename)
+    except ValueError:
+        with open(filename, 'a') as f:
+            assert f.writable()
+
     with pytest.warns(UserWarning, match="corrupt."):
         data, info = sif_parser.np_open(filename, ignore_corrupt=True)
 
@@ -201,6 +210,16 @@ def test_corrupt_file(filename):
         data = sif_parser.xr_open(filename, ignore_corrupt=True)
 
 
+@pytest.mark.parametrize("filename", corrupt_filenames2)
+def test_corrupt_file2(filename):
+    # try open with a write mode to make sure the file is closed
+    try:
+        data, info = sif_parser.np_open(filename)
+    except (ValueError, SyntaxError):
+        with open(filename, 'a') as f:
+            assert f.writable()
+
+
 @pytest.mark.parametrize(
     ("filename", "raman_wavelength"),
     [