planet: add tests for updating planet

planet/tests/test_command.py

+import time
+from unittest import mock
+
+from django.test import TestCase
+
+from planet.models import Feed, FeedItem
+from planet.management.commands.update_planet import Command
+
+
+class Result(dict):
+    status = 200
+    entries = []
+
+    def get(self, value):
+        return getattr(self, value)
+
+class Entry(dict):
+    title = 'title'
+    description = 'lorem ipsum'
+    author = 'John Doe'
+    published_parsed = time.localtime(time.time())
+    link = 'https://archlinux.org'
+    updated_parsed = None
+
+    def get(self, value):
+        return getattr(self, value)
+
+
+class UpdatePlanetTest(TestCase):
+
+    def setUp(self):
+        self.command = Command()
+        self.feed = Feed(title='test', website='http://archlinux.org',
+                         website_rss='http://archlinux.org/feed.rss')
+
+    # Test when feedparser receives an exception and returns no status
+    @mock.patch('feedparser.parse')
+    def test_parse_feed_wrong(self, parse):
+        parse.return_value = {}
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 0
+
+    @mock.patch('feedparser.parse')
+    def test_parse_feed_304(self, parse):
+        parse.return_value = {'status': 304}
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 0
+
+    @mock.patch('feedparser.parse')
+    def test_parse_feed_unknown(self, parse):
+        parse.return_value = {'status': 201}
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 0
+
+    @mock.patch('feedparser.parse')
+    def test_parse_entries_empty(self, parse):
+        parse.return_value = Result()
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 0
+
+    @mock.patch('feedparser.parse')
+    def test_parse_entries_not_published(self, parse):
+        value = Result()
+        entry = Entry()
+        entry.published_parsed = None
+        value.entries = [entry]
+        parse.return_value = value
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 0
+
+    @mock.patch('feedparser.parse')
+    def test_parse_entries(self, parse):
+        value = Result()
+        value.entries = [Entry()]
+        parse.return_value = value
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 1
+
+    @mock.patch('feedparser.parse')
+    def test_parse_entries_atom(self, parse):
+        value = Result()
+        entry = Entry()
+        entry.published_parsed = None
+        entry.updated_parsed = time.localtime(time.time())
+
+        value.entries = [entry]
+        parse.return_value = value
+        self.command.parse_feed(self.feed)
+        assert FeedItem.objects.count() == 1