Fixed SpiderManager tests that failed with dropin.cache write permissions errors in some cases

--HG--
rename : scrapy/tests/test_contrib_spidermanager/spider1.py => scrapy/tests/test_contrib_spidermanager/test_spiders/spider1.py
rename : scrapy/tests/test_contrib_spidermanager/spider2.py => scrapy/tests/test_contrib_spidermanager/test_spiders/spider2.py

scrapy/tests/test_contrib_spidermanager/__init__.py

@@ -1,20 +1,36 @@
+import sys
+import os
 import weakref
-import unittest
+import shutil
 
-# just a hack to avoid cyclic imports of scrapy.spider when running this test
+from twisted.trial import unittest
+
+# ugly hack to avoid cyclic imports of scrapy.spider when running this test
 # alone
 import scrapy.spider 
 from scrapy.contrib.spidermanager import TwistedPluginSpiderManager
 from scrapy.http import Request
 
+module_dir = os.path.dirname(os.path.abspath(__file__))
+
 class TwistedPluginSpiderManagerTest(unittest.TestCase):
 
     def setUp(self):
+        orig_spiders_dir = os.path.join(module_dir, 'test_spiders')
+        self.tmpdir = self.mktemp()
+        os.mkdir(self.tmpdir)
+        self.spiders_dir = os.path.join(self.tmpdir, 'test_spiders_xxx')
+        shutil.copytree(orig_spiders_dir, self.spiders_dir)
+        sys.path.append(self.tmpdir)
         self.spiderman = TwistedPluginSpiderManager()
         assert not self.spiderman.loaded
-        self.spiderman.load(['scrapy.tests.test_contrib_spidermanager'])
+        self.spiderman.load(['test_spiders_xxx'])
         assert self.spiderman.loaded
 
+    def tearDown(self):
+        del self.spiderman
+        sys.path.remove(self.tmpdir)
+
     def test_list(self):
         self.assertEqual(set(self.spiderman.list()), 
             set(['spider1', 'spider2']))
@@ -57,6 +73,3 @@ class TwistedPluginSpiderManagerTest(unittest.TestCase):
         self.spiderman.close_spider(spider1)
         spider2 = self.spiderman.create("spider1")
         assert spider1 is not spider2
-
-if __name__ == '__main__':
-    unittest.main()

scrapy/tests/test_contrib_spidermanager/dropin.cache

@@ -1,71 +0,0 @@
-(dp1
-S'spider2'
-p2
-ccopy_reg
-_reconstructor
-p3
-(ctwisted.plugin
-CachedDropin
-p4
-c__builtin__
-object
-p5
-NtRp6
-(dp7
-S'moduleName'
-p8
-S'scrapy.tests.test_contrib_spidermanager.spider2'
-p9
-sS'description'
-p10
-NsS'plugins'
-p11
-(lp12
-g3
-(ctwisted.plugin
-CachedPlugin
-p13
-g5
-NtRp14
-(dp15
-S'provided'
-p16
-(lp17
-cscrapy.spider.models
-ISpider
-p18
-asS'dropin'
-p19
-g6
-sS'name'
-p20
-S'SPIDER'
-p21
-sg10
-NsbasbsS'spider1'
-p22
-g3
-(g4
-g5
-NtRp23
-(dp24
-g8
-S'scrapy.tests.test_contrib_spidermanager.spider1'
-p25
-sg10
-Nsg11
-(lp26
-g3
-(g13
-g5
-NtRp27
-(dp28
-g16
-(lp29
-g18
-asg19
-g23
-sg20
-g21
-sg10
-Nsbasbs.