1 files changed, 48 insertions, 0 deletions
diff --git a/tests/test_gd_diff.py b/tests/test_gd_diff.py
new file mode 100644
index 0000000..650094f
--- /dev/null
+++ b/tests/test_gd_diff.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+#  This file is part of gns-deb-diff.
+#
+#  gns-deb-diff is under the Public Domain. See
+#  <https://creativecommons.org/publicdomain/zero/1.0>
+
+import os
+import sys
+
+from nose.tools import *
+
+from gd_diff import *
+
+class TestGdDiff(object):
+
+    def setup(self):
+        """Setup method for this class."""
+        self.pkgs_file = "tests/files/pkgs.list"
+        self.pkgs_file_ne = 'tests/nonexistent-file.list'
+
+    def test_read_file_success(self):
+        f_content = read_file(self.pkgs_file)
+
+        assert isinstance(f_content, str)
+        assert_equal(len(f_content.split('\n')), 82)
+
+    @raises(SystemExit)
+    def test_read_file_error(self):
+        with open(os.devnull, 'w') as sys.stderr:
+            f_content = read_file(self.pkgs_file_ne)
+
+
+    def test_get_packages(self):
+        pkgs_iter = get_packages(self.pkgs_file)
+        assert len(list(pkgs_iter)) == 82
+
+    def test_get_packages_sanity(self):
+        pkgs_iter = get_packages(self.pkgs_file)
+
+        for pkg in pkgs_iter:
+            assert not ' ' in pkg
+
+    def teardown(self):
+        """Teardown method for this class."""
+        pass
+