From 1ac160e8c23c658539efa1b6860706eab3e0186a Mon Sep 17 00:00:00 2001
From: Markus Opolka <markus@martialblog.de>
Date: Sun, 15 Mar 2020 11:04:50 +0100
Subject: [PATCH] Add boilerplate for CLI tests

---
 test/test_main.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/test/test_main.py b/test/test_main.py
index ca74043..873c62d 100644
--- a/test/test_main.py
+++ b/test/test_main.py
@@ -4,6 +4,7 @@
 import unittest
 import unittest.mock as mock
 import sys
+import os
 
 sys.path.append('..')
 
@@ -15,6 +16,16 @@ class MainTest(unittest.TestCase):
     Tests for main
     """
 
+    def setUp(self):
+        """
+        Defining the exitcodes
+        """
+
+        self.exit_0 = 0 << 8
+        self.exit_1 = 1 << 8
+        self.exit_2 = 2 << 8
+        self.exit_3 = 3 << 8
+
     def test_debugprint(self):
         with mock.patch('builtins.print') as mock_print:
             debugPrint(True, 'debug')
@@ -24,3 +35,10 @@ class MainTest(unittest.TestCase):
         with mock.patch('check_http_json.pprint') as mock_pprint:
             debugPrint(True, 'debug', True)
             mock_pprint.assert_called_once_with('debug')
+
+    def test_cli_without_params(self):
+
+        command = '/usr/bin/env python3 check_http_json.py > /dev/null 2>&1'
+        status = os.system(command)
+
+        self.assertEqual(status, self.exit_2)