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"""Get correct hash from an empty hashcache"""
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hc = self.make_hashcache()
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self.build_tree_contents([('foo', 'hello')])
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self.assertEquals(hc.get_sha1('foo'),
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self.assertEqual(hc.get_sha1('foo'),
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'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d')
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self.assertEquals(hc.miss_count, 1)
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self.assertEquals(hc.hit_count, 0)
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self.assertEqual(hc.miss_count, 1)
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self.assertEqual(hc.hit_count, 0)
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def test_hashcache_new_file(self):
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hc = self.make_hashcache()
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self.build_tree_contents([('foo', 'goodbye')])
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# now read without pausing; it may not be possible to cache it as its
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self.assertEquals(hc.get_sha1('foo'), sha1('goodbye'))
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self.assertEqual(hc.get_sha1('foo'), sha1('goodbye'))
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def test_hashcache_nonexistent_file(self):
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hc = self.make_hashcache()
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self.assertEquals(hc.get_sha1('no-name-yet'), None)
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self.assertEqual(hc.get_sha1('no-name-yet'), None)
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def test_hashcache_replaced_file(self):
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hc = self.make_hashcache()
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self.build_tree_contents([('foo', 'goodbye')])
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self.assertEquals(hc.get_sha1('foo'), sha1('goodbye'))
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self.assertEqual(hc.get_sha1('foo'), sha1('goodbye'))
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self.assertEquals(hc.get_sha1('foo'), None)
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self.assertEqual(hc.get_sha1('foo'), None)
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self.build_tree_contents([('foo', 'new content')])
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self.assertEquals(hc.get_sha1('foo'), sha1('new content'))
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self.assertEqual(hc.get_sha1('foo'), sha1('new content'))
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def test_hashcache_not_file(self):
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hc = self.make_hashcache()
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self.build_tree(['subdir/'])
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self.assertEquals(hc.get_sha1('subdir'), None)
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self.assertEqual(hc.get_sha1('subdir'), None)
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87
def test_hashcache_load(self):
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hc = self.make_hashcache()
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self.build_tree_contents([('foo', 'contents')])
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self.assertEquals(hc.get_sha1('foo'), sha1('contents'))
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self.assertEqual(hc.get_sha1('foo'), sha1('contents'))
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hc = self.reopen_hashcache()
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self.assertEquals(hc.get_sha1('foo'), sha1('contents'))
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self.assertEquals(hc.hit_count, 1)
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self.assertEqual(hc.get_sha1('foo'), sha1('contents'))
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self.assertEqual(hc.hit_count, 1)
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97
def test_hammer_hashcache(self):
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hc = self.make_hashcache()
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"""A new file gives the right sha1 but misses"""
172
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hc = self.make_hashcache()
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hc.put_file('foo', 'hello')
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self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
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self.assertEquals(hc.miss_count, 1)
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self.assertEquals(hc.hit_count, 0)
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self.assertEqual(hc.get_sha1('foo'), sha1('hello'))
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self.assertEqual(hc.miss_count, 1)
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self.assertEqual(hc.hit_count, 0)
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# if we try again it's still too new;
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self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
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self.assertEquals(hc.miss_count, 2)
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self.assertEquals(hc.hit_count, 0)
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self.assertEqual(hc.get_sha1('foo'), sha1('hello'))
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self.assertEqual(hc.miss_count, 2)
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self.assertEqual(hc.hit_count, 0)
182
184
def test_hashcache_old_file(self):
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"""An old file gives the right sha1 and hits"""
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hc.put_file('foo', 'hello')
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hc.pretend_to_sleep(20)
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# file is new; should get the correct hash but miss
188
self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
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self.assertEquals(hc.miss_count, 1)
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self.assertEquals(hc.hit_count, 0)
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self.assertEqual(hc.get_sha1('foo'), sha1('hello'))
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self.assertEqual(hc.miss_count, 1)
192
self.assertEqual(hc.hit_count, 0)
191
193
# and can now be hit
192
self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
193
self.assertEquals(hc.miss_count, 1)
194
self.assertEquals(hc.hit_count, 1)
194
self.assertEqual(hc.get_sha1('foo'), sha1('hello'))
195
self.assertEqual(hc.miss_count, 1)
196
self.assertEqual(hc.hit_count, 1)
195
197
hc.pretend_to_sleep(3)
197
self.assertEquals(hc.get_sha1('foo'), sha1('hello'))
198
self.assertEquals(hc.miss_count, 1)
199
self.assertEquals(hc.hit_count, 2)
199
self.assertEqual(hc.get_sha1('foo'), sha1('hello'))
200
self.assertEqual(hc.miss_count, 1)
201
self.assertEqual(hc.hit_count, 2)
201
203
def test_hashcache_invalidates(self):
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hc = self.make_hashcache()
204
206
hc.pretend_to_sleep(20)
205
207
hc.get_sha1('foo')
206
208
hc.put_file('foo', 'h1llo')
207
self.assertEquals(hc.get_sha1('foo'), sha1('h1llo'))
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self.assertEquals(hc.miss_count, 2)
209
self.assertEquals(hc.hit_count, 0)
209
self.assertEqual(hc.get_sha1('foo'), sha1('h1llo'))
210
self.assertEqual(hc.miss_count, 2)
211
self.assertEqual(hc.hit_count, 0)