/brz/remove-bazaar

To get this branch, use:
bzr branch http://gegoxaren.bato24.eu/bzr/brz/remove-bazaar

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_strace.py

  • Committer: Canonical.com Patch Queue Manager
  • Date: 2007-04-04 14:05:24 UTC
  • mfrom: (1551.13.14 Aaron's mergeable stuff)
  • Revision ID: pqm@pqm.ubuntu.com-20070404140524-48cdc6512763399e
Fix encoding bug generating error on already-versioned files

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_strace.py
 
1
# Copyright (C) 2007 Canonical Ltd
 
2
#   Authors: Robert Collins <robert.collins@canonical.com>
 
3
#
 
4
# This program is free software; you can redistribute it and/or modify
 
5
# it under the terms of the GNU General Public License as published by
 
6
# the Free Software Foundation; either version 2 of the License, or
 
7
# (at your option) any later version.
 
8
#
 
9
# This program is distributed in the hope that it will be useful,
 
10
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
11
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
12
# GNU General Public License for more details.
 
13
#
 
14
# You should have received a copy of the GNU General Public License
 
15
# along with this program; if not, write to the Free Software
 
16
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
17
 
 
18
"""Tests for the strace-invoking support."""
 
19
 
 
20
import subprocess
 
21
 
 
22
from bzrlib.strace import StraceFeature, strace, StraceResult
 
23
from bzrlib.tests import TestCaseWithTransport
 
24
 
 
25
 
 
26
class TestStraceFeature(TestCaseWithTransport):
 
27
 
 
28
    def test_strace_detection(self):
 
29
        """Strace is available if its runnable."""
 
30
        try:
 
31
            proc = subprocess.Popen(['strace'],
 
32
                stderr=subprocess.PIPE,
 
33
                stdout=subprocess.PIPE)
 
34
            proc.communicate()
 
35
            found_strace = True
 
36
        except OSError, e:
 
37
            if e.errno == errno.ENOENT:
 
38
                # strace is not installed
 
39
                found_strace = False
 
40
            else:
 
41
                raise
 
42
        self.assertEqual(found_strace, StraceFeature.available())
 
43
 
 
44
 
 
45
class TestStrace(TestCaseWithTransport):
 
46
 
 
47
    _test_needs_features = [StraceFeature]
 
48
 
 
49
    def test_strace_callable_is_called(self):
 
50
        output = []
 
51
        def function(positional, *args, **kwargs):
 
52
            output.append((positional, args, kwargs))
 
53
        strace(function, "a", "b", c="c")
 
54
        self.assertEqual([("a", ("b",), {"c":"c"})], output)
 
55
 
 
56
    def test_strace_callable_result(self):
 
57
        def function():
 
58
            return "foo"
 
59
        result, strace_result = strace(function)
 
60
        self.assertEqual("foo", result)
 
61
        self.assertIsInstance(strace_result, StraceResult)
 
62
 
 
63
    def test_strace_result_has_raw_log(self):
 
64
        """Checks that a reasonable raw strace log was found by strace."""
 
65
        def function():
 
66
            self.build_tree(['myfile'])
 
67
        _, result = strace(function)
 
68
        self.assertContainsRe(result.raw_log, 'myfile')