tests/db/message: Add some tests for the message module

These are just enough to look at the bug that will be fixed in the
patches that follow.

1 files changed, 116 insertions, 0 deletions

diff --git a/tests/db/message_test.py b/tests/db/message_test.py
new file mode 100644
index 00000000..2f198759
--- /dev/null
+++ b/tests/db/message_test.py
@@ -0,0 +1,116 @@
+# encoding=utf-8
+# Copyright © 2017 Dylan Baker
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from __future__ import absolute_import
+import unittest
+
+import mock
+
+from notmuch import NullPointerError
+
+from alot import account
+from alot.db import message
+
+
+class MockNotmuchMessage(object):
+    """An object that looks very much like a notmuch message.
+
+    All public instance variables that are not part of the notmuch Message
+    class are prefaced with mock.
+    """
+
+    def __init__(self, headers=None, tags=None):
+        self.mock_headers = headers or {}
+        self.mock_message_id = 'message id'
+        self.mock_thread_id = 'thread id'
+        self.mock_date = 0
+        self.mock_filename = 'filename'
+        self.mock_tags = tags or []
+
+    def get_header(self, field):
+        return self.mock_headers.get(field, '')
+
+    def get_message_id(self):
+        return self.mock_message_id
+
+    def get_thread_id(self):
+        return self.mock_thread_id
+
+    def get_date(self):
+        return self.mock_date
+
+    def get_filename(self):
+        return self.mock_filename
+
+    def get_tags(self):
+        return self.mock_tags
+
+
+class TestMessage(unittest.TestCase):
+
+    def test_get_author_email_only(self):
+        """Message._from is populated using the 'From' header when only an
+        email address is provided.
+        """
+        msg = message.Message(mock.Mock(),
+                              MockNotmuchMessage({'From': 'user@example.com'}))
+        self.assertEqual(msg.get_author(), ('', 'user@example.com'))
+
+    def test_get_author_name_and_email(self):
+        """Message._from is populated using the 'From' header when an email and
+        name are provided.
+        """
+        msg = message.Message(
+            mock.Mock(),
+            MockNotmuchMessage({'From': '"User Name" <user@example.com>'}))
+        self.assertEqual(msg.get_author(), ('User Name', 'user@example.com'))
+
+    @unittest.expectedFailure
+    def test_get_author_sender(self):
+        """Message._from is populated using the 'Sender' header when no 'From'
+        header is present.
+        """
+        msg = message.Message(
+            mock.Mock(),
+            MockNotmuchMessage({'Sender': '"User Name" <user@example.com>'}))
+        self.assertEqual(msg.get_author(), ('User Name', 'user@example.com'))
+
+    @unittest.expectedFailure
+    def test_get_author_no_name_draft(self):
+        """Message._from is populated from the default account if the draft tag
+        is present.
+        """
+        acc = mock.Mock()
+        acc.address = account.Address(u'user', u'example.com')
+        acc.realname = u'User Name'
+        with mock.patch('alot.db.message.settings.get_accounts',
+                        mock.Mock(return_value=[acc])):
+            msg = message.Message(
+                mock.Mock(), MockNotmuchMessage(tags=['draft']))
+        self.assertEqual(msg.get_author(), ('User Name', 'user@example.com'))
+
+    @unittest.expectedFailure
+    def test_get_author_no_name(self):
+        """Message._from is set to 'Unkown' if there is no relavent header and
+        the message is not a draft.
+        """
+        acc = mock.Mock()
+        acc.address = account.Address(u'user', u'example.com')
+        acc.realname = u'User Name'
+        with mock.patch('alot.db.message.settings.get_accounts',
+                        mock.Mock(return_value=[acc])):
+            msg = message.Message(mock.Mock(), MockNotmuchMessage())
+        self.assertEqual(msg.get_author(), ('Unknown', ''))