added some missing spidermw tests

scrapy/tests/test_spidermiddleware_httperror.py

@@ -0,0 +1,38 @@
+from unittest import TestCase
+
+from scrapy.http import Response, Request
+from scrapy.spider import BaseSpider
+from scrapy.contrib.spidermiddleware.httperror import HttpErrorMiddleware
+
+
+class TestHttpErrorMiddleware(TestCase):
+
+    def setUp(self):
+        self.spider = BaseSpider()
+        self.mw = HttpErrorMiddleware()
+        self.req = Request('http://scrapytest.org')
+
+        self.res200 = Response('http://scrapytest.org', status=200)
+        self.res200.request = self.req
+        self.res404 = Response('http://scrapytest.org', status=404)
+        self.res404.request = self.req
+
+    def test_process_spider_input(self):
+        self.assertEquals(self.mw.process_spider_input(self.res200, self.spider),
+                          None)
+
+        self.assertEquals(self.mw.process_spider_input(self.res404, self.spider),
+                          [])
+
+    def test_handle_httpstatus_list(self):
+        res = self.res404.copy()
+        res.request = Request('http://scrapytest.org',
+                              meta={'handle_httpstatus_list': [404]})
+
+        self.assertEquals(self.mw.process_spider_input(res, self.spider),
+                          None)
+
+        self.spider.handle_httpstatus_list = [404]
+        self.assertEquals(self.mw.process_spider_input(self.res404, self.spider),
+                          None)
+