1 files changed, 68 insertions, 0 deletions
diff --git a/tests/addressbook/test_external.py b/tests/addressbook/test_external.py
new file mode 100644
index 00000000..ca76cc50
--- /dev/null
+++ b/tests/addressbook/test_external.py
@@ -0,0 +1,68 @@
+# Copyright (C) 2017  Lucas Hoffmann
+# This file is released under the GNU GPL, version 3 or a later revision.
+# For further details see the COPYING file
+import unittest
+
+import mock
+
+from alot.addressbook import external
+
+
+class TestExternalAddressbookGetContacts(unittest.TestCase):
+
+    """Some test cases for
+    alot.addressbook.external.ExternalAddressbook.get_contacts"""
+
+    regex = '(?P<name>.*)\t(?P<email>.*)'
+
+    @staticmethod
+    def _patch_call_cmd(return_value):
+        return mock.patch('alot.addressbook.external.call_cmd',
+                          mock.Mock(return_value=return_value))
+
+    def test_raises_if_external_command_exits_with_non_zero_status(self):
+        abook = external.ExternalAddressbook('foobar', '')
+        with self._patch_call_cmd(('', '', 42)):
+            with self.assertRaises(external.AddressbookError) as contextmgr:
+                abook.get_contacts()
+        expected = u'abook command "foobar" returned with return code 42'
+        self.assertEqual(contextmgr.exception.args[0], expected)
+
+    def test_stderr_of_failing_command_is_part_of_exception_message(self):
+        stderr = 'some text printed on stderr of external command'
+        abook = external.ExternalAddressbook('foobar', '')
+        with self._patch_call_cmd(('', stderr, 42)):
+            with self.assertRaises(external.AddressbookError) as contextmgr:
+                abook.get_contacts()
+        self.assertIn(stderr, contextmgr.exception.args[0])
+
+    def test_returns_empty_list_when_command_returns_no_output(self):
+        abook = external.ExternalAddressbook('foobar', self.regex)
+        with self._patch_call_cmd(('', '', 0)) as call_cmd:
+            actual = abook.get_contacts()
+        self.assertListEqual(actual, [])
+        call_cmd.assert_called_once_with(['foobar'])
+
+    def test_splits_results_from_provider_by_regex(self):
+        abook = external.ExternalAddressbook('foobar', self.regex)
+        with self._patch_call_cmd(
+                ('me\t<me@example.com>\nyou\t<you@other.domain>', '', 0)):
+            actual = abook.get_contacts()
+        expected = [('me', '<me@example.com>'), ('you', '<you@other.domain>')]
+        self.assertListEqual(actual, expected)
+
+    def test_returns_empty_list_if_regex_has_no_name_submatches(self):
+        abook = external.ExternalAddressbook(
+            'foobar', self.regex.replace('name', 'xname'))
+        with self._patch_call_cmd(
+                ('me\t<me@example.com>\nyou\t<you@other.domain>', '', 0)):
+            actual = abook.get_contacts()
+        self.assertListEqual(actual, [])
+
+    def test_returns_empty_list_if_regex_has_no_email_submatches(self):
+        abook = external.ExternalAddressbook(
+            'foobar', self.regex.replace('email', 'xemail'))
+        with self._patch_call_cmd(
+                ('me\t<me@example.com>\nyou\t<you@other.domain>', '', 0)):
+            actual = abook.get_contacts()
+        self.assertListEqual(actual, [])