ceph-volume tests.util add binary verification tests

Signed-off-by: Alfredo Deza <adeza@redhat.com>
(cherry picked from commit 827aa57557561355dd4068e26801b5f1ed62f295)

diff --git a/src/ceph-volume/ceph_volume/tests/util/test_system.py b/src/ceph-volume/ceph_volume/tests/util/test_system.py
index c7ccb7d21469a46212920836a065e5957ba45a40..56b88b3f4aef731e40e3eeb7a25442b9f9096697 100644 (file)
--- a/src/ceph-volume/ceph_volume/tests/util/test_system.py
+++ b/src/ceph-volume/ceph_volume/tests/util/test_system.py
@@ -143,3 +143,14 @@ class TestGetMounts(object):
         monkeypatch.setattr(os.path, 'exists', lambda x: False if x == '/dev/sda1' else True)
         result = system.get_mounts()
         assert result.get('/dev/sda1') is None
+
+
+class TestIsBinary(object):
+
+    def test_is_binary(self, tmpfile):
+        binary_path = tmpfile(contents='asd\n\nlkjh\x00')
+        assert system.is_binary(binary_path)
+
+    def test_is_not_binary(self, tmpfile):
+        binary_path = tmpfile(contents='asd\n\nlkjh0')
+        assert system.is_binary(binary_path) is False