Added a unit test for keyboard interrupt

cli/lesspass/core.py

@@ -52,3 +52,6 @@ def main(args=sys.argv[1:]):
             print("-" * 80)
     else:
         print(generated_password)
+
+if __name__ == '__main__':
+    main()

cli/test-requirements.txt

@@ -1,4 +1,5 @@
 tox
 pytest
 flake8
-mock
+mock
+pexpect

cli/tests/test_interaction.py

@@ -0,0 +1,15 @@
+import unittest
+import pexpect
+import signal
+import time
+
+class TestInteraction(unittest.TestCase):
+    def test_keyboard_interrupt(self):
+
+        p = pexpect.spawn('/bin/bash -c "python lesspass/core.py --prompt"')
+        time.sleep(1)
+
+        p.kill(signal.SIGINT)
+        p.expect(pexpect.EOF)
+
+        self.assertEqual(p.before, b'Site: ')