ensure __str__ method works when subclassed

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/test_repr.py b/tests/test_repr.py
index ce618d4..75ed8a9 100644
--- a/tests/test_repr.py
+++ b/tests/test_repr.py
@@ -24,3 +24,14 @@ class TestCaseMisc(PexpectTestCase.PexpectTestCase):
         # verify
         assert isinstance(value, str)
 
+    def test_str_before_spawn(self):
+        """ Exercise derived spawn.__str__() """
+        # given,
+        child = pexpect.spawn(None, None)
+        child.closed = False
+        try:
+            child.expect('alpha', timeout=0.1)
+        except pexpect.TIMEOUT:
+            pass
+        else:
+            assert False, 'TIMEOUT exception expected. No exception aised.'