add test for not exists in __init__

2016-07-06 22:28:48 -04:00 · 2016-07-06 22:28:48 -04:00 · 494189435d
commit 494189435d
parent b4e8aac662
1 changed files with 6 additions and 0 deletions
--- a/test_xvfb.py
+++ b/test_xvfb.py
@ -19,6 +19,12 @@ class TestXvfb(unittest.TestCase):
    def setUp(self):
        self.reset_display()

+    def test_xvfb_binary_not_exists(self):
+        with patch('xvfbwrapper.Xvfb.xvfb_exists') as xvfb_exists:
+            xvfb_exists.return_value = False
+            with self.assertRaises(EnvironmentError):
+                Xvfb()
+
    def test_start(self):
        xvfb = Xvfb()
        self.addCleanup(xvfb.stop)