hackernews: handle unicode & html escapes

add an end-to-end test that also checks that the remote API works

plugins/hackernews.py

@@ -1,3 +1,5 @@
+import unittest
+
 from util import http, hook
 
 
@@ -7,8 +9,27 @@ def hackernews(match):
     entry = http.get_json(base_api + match.group(1) + ".json")
 
     if entry['type'] == "story":
-        return "{title} by {by} with {score} points and {descendants} comments ({url})".format(**entry)
+    	entry['title'] = http.unescape(entry['title'])
+        return u"{title} by {by} with {score} points and {descendants} comments ({url})".format(**entry)
 
     if entry['type'] == "comment":
-        return '"{text}" -- {by}'.format(**entry)
+	entry['text'] = http.unescape(entry['text'])
+        return u'"{text}" -- {by}'.format(**entry)
 
+class Test(unittest.TestCase):
+    def news(self, inp):
+        re = hackernews._hook[0][1][1]['re']
+	return hackernews(re.search(inp))
+
+    def test_story(self):
+    	assert 'Desalination' in self.news('https://news.ycombinator.com/item?id=9943431')
+
+    def test_comment(self):
+    	res = self.news('https://news.ycombinator.com/item?id=9943987')
+	assert 'kilowatt hours' in res
+	assert 'oaktowner' in res
+
+    def test_comment_encoding(self):
+    	res = self.news('https://news.ycombinator.com/item?id=9943897')
+	assert 'abominations' in res
+	assert '> ' in res  # encoding