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# Copyright (C) 2005 by Canonical Development Ltd
# 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 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
"""Test Store implementations."""
from cStringIO import StringIO
import os
from bzrlib.errors import BzrError, UnlistableStore
from bzrlib.store import copy_all
from bzrlib.transport.local import LocalTransport
from bzrlib.transport import NoSuchFile
from bzrlib.store.compressed_text import CompressedTextStore
from bzrlib.store.text import TextStore
from bzrlib.selftest import TestCase, TestCaseInTempDir
import bzrlib.store as store
import bzrlib.transport as transport
def fill_store(store):
store.add(StringIO('hello'), 'a')
store.add(StringIO('other'), 'b')
store.add(StringIO('something'), 'c')
store.add(StringIO('goodbye'), '123123')
def check_equals(tester, store, files, values, permit_failure=False):
files = store.get(files, permit_failure=permit_failure)
count = 0
for f, v in zip(files, values):
count += 1
if v is None:
tester.assert_(f is None)
else:
tester.assertEquals(f.read(), v)
tester.assertEquals(count, len(values))
# We need to check to make sure there are no more
# files to be returned, I'm using a cheezy way
# Convert to a list, and there shouldn't be any left
tester.assertEquals(len(list(files)), 0)
def test_multiple_add(tester, store):
fill_store(store)
tester.assertRaises(BzrError, store.add, StringIO('goodbye'), '123123')
def test_get(tester, store):
fill_store(store)
check_equals(tester, store, ['a'], ['hello'])
check_equals(tester, store, ['b', 'c'], ['other', 'something'])
# Make sure that requesting a non-existing file fails
tester.assertRaises(NoSuchFile, check_equals, tester, store,
['d'], [None])
tester.assertRaises(NoSuchFile, check_equals, tester, store,
['a', 'd'], ['hello', None])
tester.assertRaises(NoSuchFile, check_equals, tester, store,
['d', 'a'], [None, 'hello'])
tester.assertRaises(NoSuchFile, check_equals, tester, store,
['d', 'd', 'd'], [None, None, None])
tester.assertRaises(NoSuchFile, check_equals, tester, store,
['a', 'd', 'b'], ['hello', None, 'other'])
def test_ignore_get(tester, store):
fill_store(store)
files = store.get(['d'], permit_failure=True)
files = list(files)
tester.assertEquals(len(files), 1)
tester.assert_(files[0] is None)
check_equals(tester, store, ['a', 'd'], ['hello', None],
permit_failure=True)
check_equals(tester, store, ['d', 'a'], [None, 'hello'],
permit_failure=True)
check_equals(tester, store, ['d', 'd'], [None, None],
permit_failure=True)
check_equals(tester, store, ['a', 'd', 'b'], ['hello', None, 'other'],
permit_failure=True)
check_equals(tester, store, ['a', 'd', 'b'], ['hello', None, 'other'],
permit_failure=True)
check_equals(tester, store, ['b', 'd', 'c'], ['other', None, 'something'],
permit_failure=True)
def get_compressed_store(path='.'):
t = LocalTransport(path)
return CompressedTextStore(t)
def get_text_store(path='.'):
t = LocalTransport(path)
return TextStore(t)
class TestCompressedTextStore(TestCaseInTempDir):
def test_multiple_add(self):
"""Multiple add with same ID should raise a BzrError"""
store = get_compressed_store()
test_multiple_add(self, store)
def test_get(self):
store = get_compressed_store()
test_get(self, store)
def test_ignore_get(self):
store = get_compressed_store()
test_ignore_get(self, store)
def test_total_size(self):
store = get_compressed_store('.')
store.add(StringIO('goodbye'), '123123')
store.add(StringIO('goodbye2'), '123123.dsc')
# these get gzipped - content should be stable
self.assertEqual(store.total_size(), (2, 55))
def test_copy_all(self):
"""Test copying"""
os.mkdir('a')
store_a = get_text_store('a')
store_a.add('foo', '1')
os.mkdir('b')
store_b = get_text_store('b')
copy_all(store_a, store_b)
self.assertEqual(store_a['1'].read(), 'foo')
self.assertEqual(store_b['1'].read(), 'foo')
class TestMemoryStore(TestCase):
def get_store(self):
return store.ImmutableMemoryStore()
def test_imports(self):
from bzrlib.store import ImmutableMemoryStore
def test_add_and_retrieve(self):
store = self.get_store()
store.add(StringIO('hello'), 'aa')
self.assertNotEqual(store['aa'], None)
self.assertEqual(store['aa'].read(), 'hello')
store.add(StringIO('hello world'), 'bb')
self.assertNotEqual(store['bb'], None)
self.assertEqual(store['bb'].read(), 'hello world')
def test_missing_is_absent(self):
store = self.get_store()
self.failIf('aa' in store)
def test_adding_fails_when_present(self):
my_store = self.get_store()
my_store.add(StringIO('hello'), 'aa')
self.assertRaises(store.StoreError,
my_store.add, StringIO('hello'), 'aa')
def test_total_size(self):
store = self.get_store()
store.add(StringIO('goodbye'), '123123')
store.add(StringIO('goodbye2'), '123123.dsc')
self.assertEqual(store.total_size(), (2, 15))
# TODO: Switch the exception form UnlistableStore to
# or make Stores throw UnlistableStore if their
# Transport doesn't support listing
# store_c = RemoteStore('http://example.com/')
# self.assertRaises(UnlistableStore, copy_all, store_c, store_b)
class TestTextStore(TestCaseInTempDir):
def test_multiple_add(self):
"""Multiple add with same ID should raise a BzrError"""
store = get_text_store()
test_multiple_add(self, store)
def test_get(self):
store = get_text_store()
test_get(self, store)
def test_ignore_get(self):
store = get_text_store()
test_ignore_get(self, store)
def test_copy_all(self):
"""Test copying"""
os.mkdir('a')
store_a = get_text_store('a')
store_a.add('foo', '1')
os.mkdir('b')
store_b = get_text_store('b')
copy_all(store_a, store_b)
self.assertEqual(store_a['1'].read(), 'foo')
self.assertEqual(store_b['1'].read(), 'foo')
# TODO: Switch the exception form UnlistableStore to
# or make Stores throw UnlistableStore if their
# Transport doesn't support listing
# store_c = RemoteStore('http://example.com/')
# self.assertRaises(UnlistableStore, copy_all, store_c, store_b)
class MockTransport(transport.Transport):
"""A fake transport for testing with."""
def __init__(self, url=None):
if url is None:
url = "http://example.com"
super(MockTransport, self).__init__(url)
class TestMockTransport(TestCase):
def test_isinstance(self):
self.failUnless(isinstance(MockTransport(), transport.Transport))
class TestTransportStore(TestCase):
def test__relpath_invalid(self):
my_store = store.TransportStore(MockTransport())
self.assertRaises(ValueError, my_store._relpath, '/foo')
self.assertRaises(ValueError, my_store._relpath, 'foo/')
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