← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_hashcache.py

Merged mailine

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/tests/test_hashcache.py
36
36
    start = int(time.time())
37
37
    while int(time.time()) == start:
38
38
        time.sleep(0.2)
 
39
 
 
40
 
 
41
class FixThisError(Exception):
 
42
    pass
39
43
    
40
44
 
41
45
class TestHashCache(TestCaseInTempDir):
61
65
        # check we hit without re-reading
62
66
        self.assertEquals(hc.get_sha1('foo'),
63
67
                          'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d')
64
 
        ##self.assertEquals(hc.miss_count, 1)
65
 
        ##self.assertEquals(hc.hit_count, 1)
 
68
        self.assertEquals(hc.miss_count, 1)
 
69
        self.assertEquals(hc.hit_count, 1)
66
70
 
67
71
        # check again without re-reading
68
72
        self.assertEquals(hc.get_sha1('foo'),
69
73
                          'aaf4c61ddcc5e8a2dabede0f3b482cd9aea9434d')
70
 
        ##self.assertEquals(hc.miss_count, 1)
71
 
        ##self.assertEquals(hc.hit_count, 2)
 
74
        self.assertEquals(hc.miss_count, 1)
 
75
        self.assertEquals(hc.hit_count, 2)
72
76
 
73
77
        # write new file and make sure it is seen
74
78
        file('foo', 'wb').write('goodbye')
75
79
        pause()
76
80
        self.assertEquals(hc.get_sha1('foo'),
77
81
                          '3c8ec4874488f6090a157b014ce3397ca8e06d4f')
78
 
        ##self.assertEquals(hc.miss_count, 2)
 
82
        self.assertEquals(hc.miss_count, 2)
79
83
 
80
84
        # quickly write new file of same size and make sure it is seen
81
85
        # this may rely on detection of timestamps that are too close
101
105
 
102
106
        # should now be safe to cache it if we reread them
103
107
        self.assertEquals(hc.get_sha1('foo'), sha1('g00dbye'))
104
 
        ##self.assertEquals(len(hc._cache), 1)
 
108
        self.assertEquals(len(hc._cache), 1)
105
109
        self.assertEquals(hc.get_sha1('foo2'), sha1('new content'))
106
 
        ##self.assertEquals(len(hc._cache), 2)
 
110
        self.assertEquals(len(hc._cache), 2)
107
111
 
108
112
        # write out, read back in and check that we don't need to
109
113
        # re-read any files
113
117
        hc = HashCache(u'.')
114
118
        hc.read()
115
119
 
116
 
        ##self.assertEquals(len(hc._cache), 2)
 
120
        self.assertEquals(len(hc._cache), 2)
117
121
        self.assertEquals(hc.get_sha1('foo'), sha1('g00dbye'))
118
 
        ##self.assertEquals(hc.hit_count, 1)
119
 
        ##self.assertEquals(hc.miss_count, 0)
 
122
        self.assertEquals(hc.hit_count, 1)
 
123
        self.assertEquals(hc.miss_count, 0)
120
124
        self.assertEquals(hc.get_sha1('foo2'), sha1('new content'))
 
125
 
 
126
    def test_hashcache_raise(self):
 
127
        """check that hashcache can raise BzrError"""
 
128
        from bzrlib.hashcache import HashCache
 
129
        import os
 
130
 
 
131
        os.mkdir('.bzr')
 
132
        hc = HashCache(u'.')
 
133
        ok = False
 
134
 
 
135
        # make a best effort to create a weird kind of file
 
136
        funcs = (os.mkfifo, os.mknod)
 
137
        for func in funcs:
 
138
            try:
 
139
                func('a')
 
140
                ok = True
 
141
                break
 
142
            except FixThisError:
 
143
                pass
 
144
 
 
145
        from bzrlib.errors import BzrError
 
146
        if ok:
 
147
            self.assertRaises(BzrError, hc.get_sha1, 'a')
 
148
        else:
 
149
            raise BzrError("no weird file type could be created: extend this test case for your os")