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# so won't modernize them now. - mbp 20080430
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class _TestLockableFiles_mixin(object):
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def test_read_write(self):
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self.assertRaises(NoSuchFile,
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deprecated_in((1, 5, 0)),
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self.lockable.get, 'foo')
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self.assertRaises(NoSuchFile,
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deprecated_in((1, 5, 0)),
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self.lockable.get_utf8, 'foo')
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self.lockable.lock_write()
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unicode_string = u'bar\u1234'
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self.assertEqual(4, len(unicode_string))
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byte_string = unicode_string.encode('utf-8')
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self.assertEqual(6, len(byte_string))
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self.assertRaises(UnicodeEncodeError,
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deprecated_in((1, 6, 0)),
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self.lockable.put, 'foo',
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StringIO(unicode_string))
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deprecated_in((1, 6, 0)),
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'foo', StringIO(byte_string))
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byte_stream = self.applyDeprecated(
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deprecated_in((1, 5, 0)),
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self.assertEqual(byte_string, byte_stream.read())
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unicode_stream = self.applyDeprecated(
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deprecated_in((1, 5, 0)),
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self.lockable.get_utf8,
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self.assertEqual(unicode_string,
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unicode_stream.read())
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self.assertRaises(BzrBadParameterNotString,
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deprecated_in((1, 6, 0)),
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self.lockable.put_utf8,
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StringIO(unicode_string))
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deprecated_in((1, 6, 0)),
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self.lockable.put_utf8,
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unicode_stream = self.applyDeprecated(
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deprecated_in((1, 5, 0)),
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self.lockable.get_utf8,
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self.assertEqual(unicode_string,
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unicode_stream.read())
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byte_stream = self.applyDeprecated(
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deprecated_in((1, 5, 0)),
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self.assertEqual(byte_string, byte_stream.read())
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self.applyDeprecated(
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deprecated_in((1, 6, 0)),
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self.lockable.put_bytes,
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'raw', 'raw\xffbytes')
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byte_stream = self.applyDeprecated(
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deprecated_in((1, 5, 0)),
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self.assertEqual('raw\xffbytes', byte_stream.read())
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self.lockable.unlock()
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def test_locks(self):
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self.lockable.lock_read()
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self.assertRaises(ReadOnlyError, self.lockable.put, 'foo',
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StringIO('bar\u1234'))
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self.lockable.unlock()
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def test_transactions(self):
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self.assertIs(self.lockable.get_transaction().__class__,
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128
PassThroughTransaction)
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def test_lock_write_returns_None_refuses_token(self):
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token = self.lockable.lock_write()
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self.addCleanup(self.lockable.unlock)
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# This test does not apply, because this lockable supports
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raise TestNotApplicable("%r uses tokens" % (self.lockable,))
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self.assertRaises(errors.TokenLockingNotSupported,
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self.lockable.lock_write, token='token')
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if token is not None:
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# This test does not apply, because this lockable supports
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raise TestNotApplicable("%r uses tokens" % (self.lockable,))
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self.assertRaises(errors.TokenLockingNotSupported,
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self.lockable.lock_write, token='token')
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self.lockable.unlock()
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def test_lock_write_returns_token_when_given_token(self):
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token = self.lockable.lock_write()
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self.addCleanup(self.lockable.unlock)
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# This test does not apply, because this lockable refuses
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new_lockable = self.get_lockable()
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token_from_new_lockable = new_lockable.lock_write(token=token)
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self.addCleanup(new_lockable.unlock)
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self.assertEqual(token, token_from_new_lockable)
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# This test does not apply, because this lockable refuses
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new_lockable = self.get_lockable()
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token_from_new_lockable = new_lockable.lock_write(token=token)
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self.assertEqual(token, token_from_new_lockable)
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new_lockable.unlock()
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self.lockable.unlock()
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205
def test_lock_write_raises_on_token_mismatch(self):
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206
token = self.lockable.lock_write()
117
self.addCleanup(self.lockable.unlock)
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# This test does not apply, because this lockable refuses
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different_token = token + 'xxx'
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# Re-using the same lockable instance with a different token will
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# raise TokenMismatch.
125
self.assertRaises(errors.TokenMismatch,
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self.lockable.lock_write, token=different_token)
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# A separate instance for the same lockable will also raise
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# This detects the case where a caller claims to have a lock (via
130
# the token) for an external resource, but doesn't (the token is
131
# different). Clients need a separate lock object to make sure the
132
# external resource is probed, whereas the existing lock object
134
new_lockable = self.get_lockable()
135
self.assertRaises(errors.TokenMismatch,
136
new_lockable.lock_write, token=different_token)
209
# This test does not apply, because this lockable refuses
212
different_token = token + 'xxx'
213
# Re-using the same lockable instance with a different token will
214
# raise TokenMismatch.
215
self.assertRaises(errors.TokenMismatch,
216
self.lockable.lock_write, token=different_token)
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# A seperate instance for the same lockable will also raise
219
# This detects the case where a caller claims to have a lock (via
220
# the token) for an external resource, but doesn't (the token is
221
# different). Clients need a seperate lock object to make sure the
222
# external resource is probed, whereas the existing lock object
224
new_lockable = self.get_lockable()
225
self.assertRaises(errors.TokenMismatch,
226
new_lockable.lock_write, token=different_token)
228
self.lockable.unlock()
138
230
def test_lock_write_with_matching_token(self):
139
231
# If the token matches, so no exception is raised by lock_write.
140
232
token = self.lockable.lock_write()
141
self.addCleanup(self.lockable.unlock)
143
# This test does not apply, because this lockable refuses
146
# The same instance will accept a second lock_write if the specified
148
self.lockable.lock_write(token=token)
149
self.lockable.unlock()
150
# Calling lock_write on a new instance for the same lockable will
152
new_lockable = self.get_lockable()
153
new_lockable.lock_write(token=token)
154
new_lockable.unlock()
235
# This test does not apply, because this lockable refuses
238
# The same instance will accept a second lock_write if the specified
240
self.lockable.lock_write(token=token)
241
self.lockable.unlock()
242
# Calling lock_write on a new instance for the same lockable will
244
new_lockable = self.get_lockable()
245
new_lockable.lock_write(token=token)
246
new_lockable.unlock()
248
self.lockable.unlock()
156
250
def test_unlock_after_lock_write_with_token(self):
157
251
# If lock_write did not physically acquire the lock (because it was
158
252
# passed a token), then unlock should not physically release it.
159
253
token = self.lockable.lock_write()
160
self.addCleanup(self.lockable.unlock)
162
# This test does not apply, because this lockable refuses
165
new_lockable = self.get_lockable()
166
new_lockable.lock_write(token=token)
167
new_lockable.unlock()
168
self.assertTrue(self.lockable.get_physical_lock_status())
256
# This test does not apply, because this lockable refuses
259
new_lockable = self.get_lockable()
260
new_lockable.lock_write(token=token)
261
new_lockable.unlock()
262
self.assertTrue(self.lockable.get_physical_lock_status())
264
self.lockable.unlock()
170
266
def test_lock_write_with_token_fails_when_unlocked(self):
171
267
# Lock and unlock to get a superficially valid token. This mimics a
265
356
third_lockable.unlock()
268
# This method of adapting tests to parameters is different to
269
# the TestProviderAdapters used elsewhere, but seems simpler for this
359
# This method of adapting tests to parameters is different to
360
# the TestProviderAdapters used elsewhere, but seems simpler for this
271
362
class TestLockableFiles_TransportLock(TestCaseInTempDir,
272
363
_TestLockableFiles_mixin):
275
366
TestCaseInTempDir.setUp(self)
276
t = transport.get_transport_from_path('.')
278
self.sub_transport = t.clone('.bzr')
367
transport = get_transport('.')
368
transport.mkdir('.bzr')
369
self.sub_transport = transport.clone('.bzr')
279
370
self.lockable = self.get_lockable()
280
371
self.lockable.create_lock()
282
def stop_server(self):
283
super(TestLockableFiles_TransportLock, self).stop_server()
374
super(TestLockableFiles_TransportLock, self).tearDown()
284
375
# free the subtransport so that we do not get a 5 second
285
376
# timeout due to the SFTP connection cache.