1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
|
#!/usr/bin/python -t
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2002-2004 Michael D. Stenner, Ryan D. Tomayko
"""mirror.py tests"""
import sys
import os
import string, tempfile, random, cStringIO, os
import urlgrabber.grabber
from urlgrabber.grabber import URLGrabber, URLGrabError
import urlgrabber.mirror
from urlgrabber.mirror import MirrorGroup, MGRandomStart, MGRandomOrder
from base_test_code import *
class BasicTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in good_mirrors]
self.mg = MirrorGroup(self.g, fullmirrors)
def test_urlgrab(self):
"""MirrorGroup.urlgrab"""
filename = tempfile.mktemp()
url = 'short_reference'
self.mg.urlgrab(url, filename)
fo = open(filename)
data = fo.read()
fo.close()
self.assertEqual(data, short_reference_data)
def test_urlread(self):
"""MirrorGroup.urlread"""
url = 'short_reference'
data = self.mg.urlread(url)
self.assertEqual(data, short_reference_data)
def test_urlopen(self):
"""MirrorGroup.urlopen"""
url = 'short_reference'
fo = self.mg.urlopen(url)
data = fo.read()
fo.close()
self.assertEqual(data, short_reference_data)
class SubclassTests(TestCase):
def setUp(self):
self.g = URLGrabber()
self.fullmirrors = [base_mirror_url + m + '/' for m in good_mirrors]
def fetchwith(self, mgclass):
self.mg = mgclass(self.g, self.fullmirrors)
filename = tempfile.mktemp()
url = 'short_reference'
self.mg.urlgrab(url, filename)
fo = open(filename)
data = fo.read()
fo.close()
self.assertEqual(data, short_reference_data)
def test_MGRandomStart(self):
"MGRandomStart.urlgrab"
self.fetchwith(MGRandomStart)
def test_MGRandomOrder(self):
"MGRandomOrder.urlgrab"
self.fetchwith(MGRandomOrder)
class CallbackTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in \
(bad_mirrors + good_mirrors)]
self.mg = MirrorGroup(self.g, fullmirrors)
def test_failure_callback(self):
"test that MG executes the failure callback correctly"
tricky_list = []
def failure_callback(e, tl): tl.append(str(e))
self.mg.failure_callback = failure_callback, (tricky_list, ), {}
data = self.mg.urlread('reference')
self.assert_(data == reference_data)
self.assertEquals(tricky_list,
['[Errno 4] IOError: HTTP Error 403: Forbidden'])
def test_callback_reraise(self):
"test that the callback can correctly re-raise the exception"
def failure_callback(e): raise
self.mg.failure_callback = failure_callback
self.assertRaises(URLGrabError, self.mg.urlread, 'reference')
class BadMirrorTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in bad_mirrors]
self.mg = MirrorGroup(self.g, fullmirrors)
def test_simple_grab(self):
"""test that a bad mirror raises URLGrabError"""
filename = tempfile.mktemp()
url = 'reference'
self.assertRaises(URLGrabError, self.mg.urlgrab, url, filename)
class FailoverTests(TestCase):
def setUp(self):
self.g = URLGrabber()
fullmirrors = [base_mirror_url + m + '/' for m in \
(bad_mirrors + good_mirrors)]
self.mg = MirrorGroup(self.g, fullmirrors)
def test_simple_grab(self):
"""test that a the MG fails over past a bad mirror"""
filename = tempfile.mktemp()
url = 'reference'
self.mg.urlgrab(url, filename)
fo = open(filename)
contents = fo.read()
fo.close()
self.assertEqual(contents, reference_data)
class FakeGrabber:
def __init__(self, resultlist=None):
self.resultlist = resultlist or []
self.index = 0
self.calls = []
def urlgrab(self, url, filename=None, **kwargs):
self.calls.append( (url, filename) )
res = self.resultlist[self.index]
self.index += 1
if isinstance(res, Exception): raise res
else: return res
class ActionTests(TestCase):
def setUp(self):
self.snarfed_logs = []
self.debug = urlgrabber.mirror.DEBUG
urlgrabber.mirror.DEBUG = 1
self.dbprint = urlgrabber.mirror.DBPRINT
urlgrabber.mirror.DBPRINT = self.logsnarf
self.mirrors = ['a', 'b', 'c', 'd', 'e', 'f']
self.g = FakeGrabber([URLGrabError(3), URLGrabError(3), 'filename'])
self.mg = MirrorGroup(self.g, self.mirrors)
def logsnarf(self, message):
self.snarfed_logs.append(message)
def tearDown(self):
urlgrabber.mirror.DEBUG = self.debug
urlgrabber.mirror.DBPRINT = self.dbprint
def test_defaults(self):
'test default action policy'
self.mg.urlgrab('somefile')
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:3] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [a b c d e f] 1',
'MIRROR: trying somefile -> b/somefile',
'MIRROR: failed',
'GR mirrors: [c d e f] 0',
'MAIN mirrors: [a b c d e f] 2',
'MIRROR: trying somefile -> c/somefile']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(self.snarfed_logs, expected_logs)
def test_instance_action(self):
'test the effects of passed-in default_action'
self.mg.default_action = {'remove_master': 1}
self.mg.urlgrab('somefile')
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:3] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [b c d e f] 0',
'MIRROR: trying somefile -> b/somefile',
'MIRROR: failed',
'GR mirrors: [c d e f] 0',
'MAIN mirrors: [c d e f] 0',
'MIRROR: trying somefile -> c/somefile']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(self.snarfed_logs, expected_logs)
def test_method_action(self):
'test the effects of method-level default_action'
self.mg.urlgrab('somefile', default_action={'remove_master': 1})
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:3] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [b c d e f] 0',
'MIRROR: trying somefile -> b/somefile',
'MIRROR: failed',
'GR mirrors: [c d e f] 0',
'MAIN mirrors: [c d e f] 0',
'MIRROR: trying somefile -> c/somefile']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(self.snarfed_logs, expected_logs)
def callback(self, e): return {'fail': 1}
def test_callback_action(self):
'test the effects of a callback-returned action'
self.assertRaises(URLGrabError, self.mg.urlgrab, 'somefile',
failure_callback=self.callback)
expected_calls = [ (m + '/' + 'somefile', None) \
for m in self.mirrors[:1] ]
expected_logs = \
['MIRROR: trying somefile -> a/somefile',
'MIRROR: failed',
'GR mirrors: [b c d e f] 0',
'MAIN mirrors: [a b c d e f] 1']
self.assertEquals(self.g.calls, expected_calls)
self.assertEquals(self.snarfed_logs, expected_logs)
def suite():
tl = TestLoader()
return tl.loadTestsFromModule(sys.modules[__name__])
if __name__ == '__main__':
urlgrabber.grabber.DEBUG = 0
urlgrabber.mirror.DEBUG = 0
runner = TextTestRunner(stream=sys.stdout,descriptions=1,verbosity=2)
runner.run(suite())
|
