Added NotifyPlugin unit tests and more

This patch restructures the unit tests for plugins.
This also adds unit tests for the NotifyPlugin

tests/plugins/test_time.py

@@ -0,0 +1,50 @@
+from unittest import mock
+
+import pytz
+
+from aprsd.fuzzyclock import fuzzy
+from aprsd.plugins import time as time_plugin
+
+from .. import fake, test_plugin
+
+
+class TestTimePlugins(test_plugin.TestPlugin):
+
+    @mock.patch("aprsd.plugins.time.TimePlugin._get_local_tz")
+    @mock.patch("aprsd.plugins.time.TimePlugin._get_utcnow")
+    def test_time(self, mock_utcnow, mock_localtz):
+        utcnow = pytz.datetime.datetime.utcnow()
+        mock_utcnow.return_value = utcnow
+        tz = pytz.timezone("US/Pacific")
+        mock_localtz.return_value = tz
+
+        gmt_t = pytz.utc.localize(utcnow)
+        local_t = gmt_t.astimezone(tz)
+
+        fake_time = mock.MagicMock()
+        h = int(local_t.strftime("%H"))
+        m = int(local_t.strftime("%M"))
+        fake_time.tm_sec = 13
+        time = time_plugin.TimePlugin(self.config)
+
+        packet = fake.fake_packet(
+            message="location",
+            msg_number=1,
+        )
+
+        actual = time.filter(packet)
+        self.assertEqual(None, actual)
+
+        cur_time = fuzzy(h, m, 1)
+
+        packet = fake.fake_packet(
+            message="time",
+            msg_number=1,
+        )
+        local_short_str = local_t.strftime("%H:%M %Z")
+        expected = "{} ({})".format(
+            cur_time,
+            local_short_str,
+        )
+        actual = time.filter(packet)
+        self.assertEqual(expected, actual)