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Viewing changes to bzrlib/tests/test_lazy_regex.py

  • Committer: v.ladeuil+lp at free
  • Date: 2006-10-12 14:29:32 UTC
  • mto: (2145.1.1 keepalive)
  • mto: This revision was merged to the branch mainline in revision 2146.
  • Revision ID: v.ladeuil+lp@free.fr-20061012142932-7221fe16d2b48fa3
Shuffle http related test code. Hopefully it ends up at the right place :)

* bzrlib/tests/HttpServer.py: 
New file. bzrlib.tests.ChrootedTestCase use HttpServer. So the
class can't be defined in bzrlib.tests.HTTPUtils because it
creates a circular dependency (bzrlib.tests.HTTPUtils needs to
import bzrlib.tests).

* bzrlib/transport/http/_urllib.py: 
Transfer test server definition to bzrlib.tests.HttpServer. Clean
up imports.

* bzrlib/transport/http/_pycurl.py: 
Transfer test server definition to bzrlib.tests.HttpServer. Clean
up imports.

* bzrlib/transport/http/__init__.py: 
Transfer all test related code to either bzrlib.tests.HttpServer
and bzrlib.tests.HTTPUtils.
Fix all use of TransportNotPossible and InvalidURL by prefixing it
by 'errors.' (this seems to be the preferred way in the rest of
bzr).
Get rid of unused imports.

* bzrlib/tests/test_transport.py:
(ReadonlyDecoratorTransportTest.test_local_parameters,
FakeNFSDecoratorTests.test_http_parameters): Use HttpServer from
bzrlib.tests.HttpServer instead of bzrlib.transport.http.

* bzrlib/tests/test_sftp_transport.py:
(set_test_transport_to_sftp): Use HttpServer from
bzrlib.tests.HttpServer instead of bzrlib.transport.http.

* bzrlib/tests/test_selftest.py:
(TestTestCaseWithTransport.test_get_readonly_url_http): Use
HttpServer from bzrlib.tests.HttpServer instead of
bzrlib.transport.http.

* bzrlib/tests/test_repository.py: 
Does *not* use HttpServer.

* bzrlib/tests/test_http.py: 
Build on top of bzrlib.tests.HttpServer and bzrlib.tests.HTTPUtils
instead of bzrlib.transport.http.

* bzrlib/tests/test_bzrdir.py:
(ChrootedTests.setUp): Use HttpServer from bzrlib.tests.HttpServer
instead of bzrlib.transport.http.

* bzrlib/tests/branch_implementations/test_http.py:
(HTTPBranchTests.setUp): Use HttpServer from bzrlib.tests.HttpServer
instead of bzrlib.transport.http.

* bzrlib/tests/branch_implementations/test_branch.py:
(ChrootedTests.setUp): Use HttpServer from bzrlib.tests.HttpServer
instead of bzrlib.transport.http.

* bzrlib/tests/__init__.py:
(ChrootedTestCase.setUp): Use HttpServer from
bzrlib.tests.HttpServer instead of bzrlib.transport.http.

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Lines of Context:
 
1
# Copyright (C) 2006 by Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
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"""Test that lazy regexes are not compiled right away"""
 
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import re
 
20
 
 
21
from bzrlib import (
 
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    lazy_regex,
 
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    tests,
 
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    )
 
25
 
 
26
 
 
27
class InstrumentedLazyRegex(lazy_regex.LazyRegex):
 
28
    """Keep track of actions on the lazy regex"""
 
29
 
 
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    _actions = []
 
31
 
 
32
    @classmethod
 
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    def use_actions(cls, actions):
 
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        cls._actions = actions
 
35
 
 
36
    def __getattr__(self, attr):
 
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        self._actions.append(('__getattr__', attr))
 
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        return super(InstrumentedLazyRegex, self).__getattr__(attr)
 
39
 
 
40
    def _real_re_compile(self, *args, **kwargs):
 
41
        self._actions.append(('_real_re_compile',
 
42
                                               args, kwargs))
 
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        return super(InstrumentedLazyRegex, self)._real_re_compile(*args, **kwargs)
 
44
 
 
45
 
 
46
class TestLazyRegex(tests.TestCase):
 
47
 
 
48
    def test_lazy_compile(self):
 
49
        """Make sure that LazyRegex objects compile at the right time"""
 
50
        actions = []
 
51
        InstrumentedLazyRegex.use_actions(actions)
 
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53
        pattern = InstrumentedLazyRegex(args=('foo',))
 
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        actions.append(('created regex', 'foo'))
 
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        # This match call should compile the regex and go through __getattr__
 
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        pattern.match('foo')
 
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        # But a further call should not go through __getattr__ because it has
 
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        # been bound locally.
 
59
        pattern.match('foo')
 
60
 
 
61
        self.assertEqual([('created regex', 'foo'),
 
62
                          ('__getattr__', 'match'),
 
63
                          ('_real_re_compile', ('foo',), {}),
 
64
                         ], actions)
 
65
 
 
66
 
 
67
class TestLazyCompile(tests.TestCase):
 
68
 
 
69
    def test_simple_acts_like_regex(self):
 
70
        """Test that the returned object has basic regex like functionality"""
 
71
        pattern = lazy_regex.lazy_compile('foo')
 
72
        self.assertIsInstance(pattern, lazy_regex.LazyRegex)
 
73
        self.assertTrue(pattern.match('foo'))
 
74
        self.assertIs(None, pattern.match('bar'))
 
75
 
 
76
    def test_extra_args(self):
 
77
        """Test that extra arguments are also properly passed"""
 
78
        pattern = lazy_regex.lazy_compile('foo', re.I)
 
79
        self.assertIsInstance(pattern, lazy_regex.LazyRegex)
 
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        self.assertTrue(pattern.match('foo'))
 
81
        self.assertTrue(pattern.match('Foo'))
 
82
 
 
83
    def test_findall(self):
 
84
        pattern = lazy_regex.lazy_compile('fo*')
 
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        self.assertEqual(['f', 'fo', 'foo', 'fooo'],
 
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                         pattern.findall('f fo foo fooo'))
 
87
 
 
88
    def test_finditer(self):
 
89
        pattern = lazy_regex.lazy_compile('fo*')
 
90
        matches = [(m.start(), m.end(), m.group())
 
91
                   for m in pattern.finditer('foo bar fop')]
 
92
        self.assertEqual([(0, 3, 'foo'), (8, 10, 'fo')], matches)
 
93
 
 
94
    def test_match(self):
 
95
        pattern = lazy_regex.lazy_compile('fo*')
 
96
        self.assertIs(None, pattern.match('baz foo'))
 
97
        self.assertEqual('fooo', pattern.match('fooo').group())
 
98
 
 
99
    def test_search(self):
 
100
        pattern = lazy_regex.lazy_compile('fo*')
 
101
        self.assertEqual('foo', pattern.search('baz foo').group())
 
102
        self.assertEqual('fooo', pattern.search('fooo').group())
 
103
 
 
104
    def test_split(self):
 
105
        pattern = lazy_regex.lazy_compile('[,;]*')
 
106
        self.assertEqual(['x', 'y', 'z'], pattern.split('x,y;z'))
 
107
 
 
108
 
 
109
class TestInstallLazyCompile(tests.TestCase):
 
110
 
 
111
    def setUp(self):
 
112
        super(TestInstallLazyCompile, self).setUp()
 
113
        self.addCleanup(lazy_regex.reset_compile)
 
114
 
 
115
    def test_install(self):
 
116
        lazy_regex.install_lazy_compile()
 
117
        pattern = re.compile('foo')
 
118
        self.assertIsInstance(pattern, lazy_regex.LazyRegex)
 
119
 
 
120
    def test_reset(self):
 
121
        lazy_regex.install_lazy_compile()
 
122
        lazy_regex.reset_compile()
 
123
        pattern = re.compile('foo')
 
124
        self.failIf(isinstance(pattern, lazy_regex.LazyRegex),
 
125
                    'lazy_regex.reset_compile() did not restore the original'
 
126
                    ' compile() function %s' % (type(pattern),))
 
127
        # but the returned object should still support regex operations
 
128
        m = pattern.match('foo')
 
129
        self.assertEqual('foo', m.group())