add from_open_file to match libmagic binding featureset

1 files changed, 6 insertions, 0 deletions

diff --git a/test/test.py b/test/test.py
index 3097e6e..2865a66 100755
--- a/test/test.py
+++ b/test/test.py
@@ -74,6 +74,12 @@ class MagicTest(unittest.TestCase):
             in ("text/x-python", "text/x-script.python"))
 
 
+
+    def test_open_file(self):
+        m = magic.Magic(mime=True)
+        with open(os.path.join(self.TESTDATA_DIR, "test.pdf")) as f:
+            self.assertEqual("application/pdf", m.from_open_file(f))
+
     def test_mime_types(self):
         dest = os.path.join(MagicTest.TESTDATA_DIR,
                             b'\xce\xbb'.decode('utf-8'))