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153 lines
4.2 KiB
Python
153 lines
4.2 KiB
Python
# Unit Name: dupeguru.tests.cache_test
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# Created By: Virgil Dupras
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# Created On: 2006/09/14
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# $Id$
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# Copyright 2009 Hardcoded Software (http://www.hardcoded.net)
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from StringIO import StringIO
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import os.path as op
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import os
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import threading
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from hsutil.testcase import TestCase
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from ..picture.cache import *
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class TCcolors_to_string(TestCase):
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def test_no_color(self):
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self.assertEqual('',colors_to_string([]))
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def test_single_color(self):
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self.assertEqual('000000',colors_to_string([(0,0,0)]))
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self.assertEqual('010101',colors_to_string([(1,1,1)]))
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self.assertEqual('0a141e',colors_to_string([(10,20,30)]))
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def test_two_colors(self):
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self.assertEqual('000102030405',colors_to_string([(0,1,2),(3,4,5)]))
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class TCstring_to_colors(TestCase):
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def test_empty(self):
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self.assertEqual([],string_to_colors(''))
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def test_single_color(self):
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self.assertEqual([(0,0,0)],string_to_colors('000000'))
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self.assertEqual([(2,3,4)],string_to_colors('020304'))
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self.assertEqual([(10,20,30)],string_to_colors('0a141e'))
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def test_two_colors(self):
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self.assertEqual([(10,20,30),(40,50,60)],string_to_colors('0a141e28323c'))
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def test_incomplete_color(self):
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# don't return anything if it's not a complete color
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self.assertEqual([],string_to_colors('102'))
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class TCCache(TestCase):
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def test_empty(self):
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c = Cache()
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self.assertEqual(0,len(c))
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self.assertRaises(KeyError,c.__getitem__,'foo')
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def test_set_then_retrieve_blocks(self):
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c = Cache()
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b = [(0,0,0),(1,2,3)]
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c['foo'] = b
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self.assertEqual(b,c['foo'])
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def test_delitem(self):
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c = Cache()
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c['foo'] = ''
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del c['foo']
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self.assert_('foo' not in c)
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self.assertRaises(KeyError,c.__delitem__,'foo')
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def test_persistance(self):
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DBNAME = op.join(self.tmpdir(), 'hstest.db')
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c = Cache(DBNAME)
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c['foo'] = [(1,2,3)]
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del c
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c = Cache(DBNAME)
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self.assertEqual([(1,2,3)],c['foo'])
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del c
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os.remove(DBNAME)
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def test_filter(self):
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c = Cache()
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c['foo'] = ''
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c['bar'] = ''
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c['baz'] = ''
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c.filter(lambda p:p != 'bar') #only 'bar' is removed
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self.assertEqual(2,len(c))
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self.assert_('foo' in c)
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self.assert_('baz' in c)
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self.assert_('bar' not in c)
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def test_clear(self):
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c = Cache()
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c['foo'] = ''
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c['bar'] = ''
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c['baz'] = ''
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c.clear()
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self.assertEqual(0,len(c))
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self.assert_('foo' not in c)
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self.assert_('baz' not in c)
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self.assert_('bar' not in c)
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def test_corrupted_db(self):
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dbname = op.join(self.tmpdir(), 'foo.db')
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fp = open(dbname, 'w')
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fp.write('invalid sqlite content')
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fp.close()
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c = Cache(dbname) # should not raise a DatabaseError
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c['foo'] = [(1, 2, 3)]
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del c
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c = Cache(dbname)
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self.assertEqual(c['foo'], [(1, 2, 3)])
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def test_by_id(self):
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# it's possible to use the cache by referring to the files by their row_id
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c = Cache()
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b = [(0,0,0),(1,2,3)]
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c['foo'] = b
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foo_id = c.get_id('foo')
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self.assertEqual(c[foo_id], b)
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class TCCacheSQLEscape(TestCase):
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def test_contains(self):
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c = Cache()
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self.assert_("foo'bar" not in c)
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def test_getitem(self):
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c = Cache()
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self.assertRaises(KeyError, c.__getitem__, "foo'bar")
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def test_setitem(self):
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c = Cache()
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c["foo'bar"] = []
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def test_delitem(self):
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c = Cache()
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c["foo'bar"] = []
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try:
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del c["foo'bar"]
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except KeyError:
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self.fail()
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class TCCacheThreaded(TestCase):
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def test_access_cache(self):
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def thread_run():
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try:
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c['foo'] = [(1,2,3)]
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except sqlite.ProgrammingError:
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self.fail()
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c = Cache()
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t = threading.Thread(target=thread_run)
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t.start()
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t.join()
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self.assertEqual([(1,2,3)], c['foo'])
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