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
|
# Copyright (C) 2009 Canonical 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""Tests for _chk_map_*."""
from bzrlib import (
chk_map,
tests,
)
from bzrlib.static_tuple import StaticTuple
stuple = StaticTuple
def load_tests(standard_tests, module, loader):
suite, _ = tests.permute_tests_for_extension(standard_tests, loader,
'bzrlib._chk_map_py', 'bzrlib._chk_map_pyx')
return suite
class TestSearchKeys(tests.TestCase):
module = None # Filled in by test parameterization
def assertSearchKey16(self, expected, key):
self.assertEqual(expected, self.module._search_key_16(key))
def assertSearchKey255(self, expected, key):
actual = self.module._search_key_255(key)
self.assertEqual(expected, actual, 'actual: %r' % (actual,))
def test_simple_16(self):
self.assertSearchKey16('8C736521', stuple('foo',))
self.assertSearchKey16('8C736521\x008C736521', stuple('foo', 'foo'))
self.assertSearchKey16('8C736521\x0076FF8CAA', stuple('foo', 'bar'))
self.assertSearchKey16('ED82CD11', stuple('abcd',))
def test_simple_255(self):
self.assertSearchKey255('\x8cse!', stuple('foo',))
self.assertSearchKey255('\x8cse!\x00\x8cse!', stuple('foo', 'foo'))
self.assertSearchKey255('\x8cse!\x00v\xff\x8c\xaa', stuple('foo', 'bar'))
# The standard mapping for these would include '\n', so it should be
# mapped to '_'
self.assertSearchKey255('\xfdm\x93_\x00P_\x1bL', stuple('<', 'V'))
def test_255_does_not_include_newline(self):
# When mapping via _search_key_255, we should never have the '\n'
# character, but all other 255 values should be present
chars_used = set()
for char_in in range(256):
search_key = self.module._search_key_255(stuple(chr(char_in),))
chars_used.update(search_key)
all_chars = set([chr(x) for x in range(256)])
unused_chars = all_chars.symmetric_difference(chars_used)
self.assertEqual(set('\n'), unused_chars)
class TestDeserialiseLeafNode(tests.TestCase):
module = None
def assertDeserialiseErrors(self, text):
self.assertRaises((ValueError, IndexError),
self.module._deserialise_leaf_node, text, 'not-a-real-sha')
def test_raises_on_non_leaf(self):
self.assertDeserialiseErrors('')
self.assertDeserialiseErrors('short\n')
self.assertDeserialiseErrors('chknotleaf:\n')
self.assertDeserialiseErrors('chkleaf:x\n')
self.assertDeserialiseErrors('chkleaf:\n')
self.assertDeserialiseErrors('chkleaf:\nnotint\n')
self.assertDeserialiseErrors('chkleaf:\n10\n')
self.assertDeserialiseErrors('chkleaf:\n10\n256\n')
self.assertDeserialiseErrors('chkleaf:\n10\n256\n10\n')
def test_deserialise_empty(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n10\n1\n0\n\n", stuple("sha1:1234",))
self.assertEqual(0, len(node))
self.assertEqual(10, node.maximum_size)
self.assertEqual(("sha1:1234",), node.key())
self.assertIsInstance(node.key(), StaticTuple)
self.assertIs(None, node._search_prefix)
self.assertIs(None, node._common_serialised_prefix)
def test_deserialise_items(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n1\n2\n\nfoo bar\x001\nbaz\nquux\x001\nblarh\n",
("sha1:1234",))
self.assertEqual(2, len(node))
self.assertEqual([(("foo bar",), "baz"), (("quux",), "blarh")],
sorted(node.iteritems(None)))
def test_deserialise_item_with_null_width_1(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n1\n2\n\nfoo\x001\nbar\x00baz\nquux\x001\nblarh\n",
("sha1:1234",))
self.assertEqual(2, len(node))
self.assertEqual([(("foo",), "bar\x00baz"), (("quux",), "blarh")],
sorted(node.iteritems(None)))
def test_deserialise_item_with_null_width_2(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n2\n2\n\nfoo\x001\x001\nbar\x00baz\n"
"quux\x00\x001\nblarh\n",
("sha1:1234",))
self.assertEqual(2, len(node))
self.assertEqual([(("foo", "1"), "bar\x00baz"), (("quux", ""), "blarh")],
sorted(node.iteritems(None)))
def test_iteritems_selected_one_of_two_items(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n1\n2\n\nfoo bar\x001\nbaz\nquux\x001\nblarh\n",
("sha1:1234",))
self.assertEqual(2, len(node))
self.assertEqual([(("quux",), "blarh")],
sorted(node.iteritems(None, [("quux",), ("qaz",)])))
def test_deserialise_item_with_common_prefix(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n2\n2\nfoo\x00\n1\x001\nbar\x00baz\n2\x001\nblarh\n",
("sha1:1234",))
self.assertEqual(2, len(node))
self.assertEqual([(("foo", "1"), "bar\x00baz"), (("foo", "2"), "blarh")],
sorted(node.iteritems(None)))
self.assertIs(chk_map._unknown, node._search_prefix)
self.assertEqual('foo\x00', node._common_serialised_prefix)
def test_deserialise_multi_line(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n2\n2\nfoo\x00\n1\x002\nbar\nbaz\n2\x002\nblarh\n\n",
("sha1:1234",))
self.assertEqual(2, len(node))
self.assertEqual([(("foo", "1"), "bar\nbaz"),
(("foo", "2"), "blarh\n"),
], sorted(node.iteritems(None)))
self.assertIs(chk_map._unknown, node._search_prefix)
self.assertEqual('foo\x00', node._common_serialised_prefix)
def test_key_after_map(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n10\n1\n0\n\n", ("sha1:1234",))
node.map(None, ("foo bar",), "baz quux")
self.assertEqual(None, node.key())
def test_key_after_unmap(self):
node = self.module._deserialise_leaf_node(
"chkleaf:\n0\n1\n2\n\nfoo bar\x001\nbaz\nquux\x001\nblarh\n",
("sha1:1234",))
node.unmap(None, ("foo bar",))
self.assertEqual(None, node.key())
class TestDeserialiseInternalNode(tests.TestCase):
module = None
def assertDeserialiseErrors(self, text):
self.assertRaises((ValueError, IndexError),
self.module._deserialise_internal_node, text,
stuple('not-a-real-sha',))
def test_raises_on_non_internal(self):
self.assertDeserialiseErrors('')
self.assertDeserialiseErrors('short\n')
self.assertDeserialiseErrors('chknotnode:\n')
self.assertDeserialiseErrors('chknode:x\n')
self.assertDeserialiseErrors('chknode:\n')
self.assertDeserialiseErrors('chknode:\nnotint\n')
self.assertDeserialiseErrors('chknode:\n10\n')
self.assertDeserialiseErrors('chknode:\n10\n256\n')
self.assertDeserialiseErrors('chknode:\n10\n256\n10\n')
# no trailing newline
self.assertDeserialiseErrors('chknode:\n10\n256\n0\n1\nfo')
def test_deserialise_one(self):
node = self.module._deserialise_internal_node(
"chknode:\n10\n1\n1\n\na\x00sha1:abcd\n", stuple('sha1:1234',))
self.assertIsInstance(node, chk_map.InternalNode)
self.assertEqual(1, len(node))
self.assertEqual(10, node.maximum_size)
self.assertEqual(("sha1:1234",), node.key())
self.assertEqual('', node._search_prefix)
self.assertEqual({'a': ('sha1:abcd',)}, node._items)
def test_deserialise_with_prefix(self):
node = self.module._deserialise_internal_node(
"chknode:\n10\n1\n1\npref\na\x00sha1:abcd\n", stuple('sha1:1234',))
self.assertIsInstance(node, chk_map.InternalNode)
self.assertEqual(1, len(node))
self.assertEqual(10, node.maximum_size)
self.assertEqual(("sha1:1234",), node.key())
self.assertEqual('pref', node._search_prefix)
self.assertEqual({'prefa': ('sha1:abcd',)}, node._items)
node = self.module._deserialise_internal_node(
"chknode:\n10\n1\n1\npref\n\x00sha1:abcd\n", stuple('sha1:1234',))
self.assertIsInstance(node, chk_map.InternalNode)
self.assertEqual(1, len(node))
self.assertEqual(10, node.maximum_size)
self.assertEqual(("sha1:1234",), node.key())
self.assertEqual('pref', node._search_prefix)
self.assertEqual({'pref': ('sha1:abcd',)}, node._items)
def test_deserialise_pref_with_null(self):
node = self.module._deserialise_internal_node(
"chknode:\n10\n1\n1\npref\x00fo\n\x00sha1:abcd\n",
stuple('sha1:1234',))
self.assertIsInstance(node, chk_map.InternalNode)
self.assertEqual(1, len(node))
self.assertEqual(10, node.maximum_size)
self.assertEqual(("sha1:1234",), node.key())
self.assertEqual('pref\x00fo', node._search_prefix)
self.assertEqual({'pref\x00fo': ('sha1:abcd',)}, node._items)
def test_deserialise_with_null_pref(self):
node = self.module._deserialise_internal_node(
"chknode:\n10\n1\n1\npref\x00fo\n\x00\x00sha1:abcd\n",
stuple('sha1:1234',))
self.assertIsInstance(node, chk_map.InternalNode)
self.assertEqual(1, len(node))
self.assertEqual(10, node.maximum_size)
self.assertEqual(("sha1:1234",), node.key())
self.assertEqual('pref\x00fo', node._search_prefix)
self.assertEqual({'pref\x00fo\x00': ('sha1:abcd',)}, node._items)
|