[checks] Add tests for dependency checking

Signed-off-by: Lubomír Sedlář <lsedlar@redhat.com>

tests/test_checks.py

@@ -0,0 +1,58 @@
+#!/usr/bin/env python2
+# -*- coding: utf-8 -*-
+
+import mock
+import unittest
+import os
+import sys
+import StringIO
+
+sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
+
+from pungi import checks
+
+
+class CheckDependenciesTestCase(unittest.TestCase):
+    def test_all_deps_missing(self):
+        def custom_exists(path):
+            return False
+
+        with mock.patch('sys.stdout', new_callable=StringIO.StringIO) as out:
+            with mock.patch('os.path.exists') as exists:
+                exists.side_effect = custom_exists
+                result = checks.check({})
+
+        self.assertEqual(12, len(out.getvalue().strip().split('\n')))
+        self.assertFalse(result)
+
+    def test_all_deps_ok(self):
+        def custom_exists(path):
+            return True
+
+        with mock.patch('sys.stdout', new_callable=StringIO.StringIO) as out:
+            with mock.patch('os.path.exists') as exists:
+                exists.side_effect = custom_exists
+                result = checks.check({})
+
+        self.assertEqual('', out.getvalue())
+        self.assertTrue(result)
+
+    def test_does_not_require_jigdo_if_not_configured(self):
+        conf = {
+            'create_jigdo': False
+        }
+
+        def custom_exists(path):
+            if path == '/usr/bin/jigdo-lite':
+                return False
+            return True
+
+        with mock.patch('os.path.exists') as exists:
+            exists.side_effect = custom_exists
+            result = checks.check(conf)
+
+        self.assertTrue(result)
+
+
+if __name__ == "__main__":
+    unittest.main()