diff --git a/tests/test_buildozer.py b/tests/test_buildozer.py
index 327e33e..b47711d 100644
--- a/tests/test_buildozer.py
+++ b/tests/test_buildozer.py
@@ -1,4 +1,6 @@
+import os
 import unittest
+import buildozer as buildozer_module
 from buildozer import Buildozer
 
 
@@ -10,3 +12,15 @@ class TestBuildozer(unittest.TestCase):
         """
         buildozer = Buildozer()
         self.assertEqual(buildozer.specfilename, 'buildozer.spec')
+        # spec file doesn't have to exist
+        self.assertFalse(os.path.exists(buildozer.specfilename))
+
+    def test_buildozer_read_spec(self):
+        """
+        Initializes Buildozer object from existing spec file.
+        """
+        specfilepath = os.path.join(
+            os.path.dirname(buildozer_module.__file__),
+            'default.spec')
+        buildozer = Buildozer(filename=specfilepath)
+        self.assertTrue(os.path.exists(buildozer.specfilename))