summaryrefslogtreecommitdiff
path: root/lib/python2.7/bsddb/test/test_compat.py
blob: 7679f197c61634446e5a25a029c1da0d0ae77746 (plain)
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
"""
Test cases adapted from the test_bsddb.py module in Python's
regression test suite.
"""

import os, string
import unittest

from test_all import db, hashopen, btopen, rnopen, verbose, \
        get_new_database_path


class CompatibilityTestCase(unittest.TestCase):
    def setUp(self):
        self.filename = get_new_database_path()

    def tearDown(self):
        try:
            os.remove(self.filename)
        except os.error:
            pass


    def test01_btopen(self):
        self.do_bthash_test(btopen, 'btopen')

    def test02_hashopen(self):
        self.do_bthash_test(hashopen, 'hashopen')

    def test03_rnopen(self):
        data = "The quick brown fox jumped over the lazy dog.".split()
        if verbose:
            print "\nTesting: rnopen"

        f = rnopen(self.filename, 'c')
        for x in range(len(data)):
            f[x+1] = data[x]

        getTest = (f[1], f[2], f[3])
        if verbose:
            print '%s %s %s' % getTest

        self.assertEqual(getTest[1], 'quick', 'data mismatch!')

        rv = f.set_location(3)
        if rv != (3, 'brown'):
            self.fail('recno database set_location failed: '+repr(rv))

        f[25] = 'twenty-five'
        f.close()
        del f

        f = rnopen(self.filename, 'w')
        f[20] = 'twenty'

        def noRec(f):
            rec = f[15]
        self.assertRaises(KeyError, noRec, f)

        def badKey(f):
            rec = f['a string']
        self.assertRaises(TypeError, badKey, f)

        del f[3]

        rec = f.first()
        while rec:
            if verbose:
                print rec
            try:
                rec = f.next()
            except KeyError:
                break

        f.close()


    def test04_n_flag(self):
        f = hashopen(self.filename, 'n')
        f.close()


    def do_bthash_test(self, factory, what):
        if verbose:
            print '\nTesting: ', what

        f = factory(self.filename, 'c')
        if verbose:
            print 'creation...'

        # truth test
        if f:
            if verbose: print "truth test: true"
        else:
            if verbose: print "truth test: false"

        f['0'] = ''
        f['a'] = 'Guido'
        f['b'] = 'van'
        f['c'] = 'Rossum'
        f['d'] = 'invented'
        # 'e' intentionally left out
        f['f'] = 'Python'
        if verbose:
            print '%s %s %s' % (f['a'], f['b'], f['c'])

        if verbose:
            print 'key ordering...'
        start = f.set_location(f.first()[0])
        if start != ('0', ''):
            self.fail("incorrect first() result: "+repr(start))
        while 1:
            try:
                rec = f.next()
            except KeyError:
                self.assertEqual(rec, f.last(), 'Error, last <> last!')
                f.previous()
                break
            if verbose:
                print rec

        self.assertTrue(f.has_key('f'), 'Error, missing key!')

        # test that set_location() returns the next nearest key, value
        # on btree databases and raises KeyError on others.
        if factory == btopen:
            e = f.set_location('e')
            if e != ('f', 'Python'):
                self.fail('wrong key,value returned: '+repr(e))
        else:
            try:
                e = f.set_location('e')
            except KeyError:
                pass
            else:
                self.fail("set_location on non-existent key did not raise KeyError")

        f.sync()
        f.close()
        # truth test
        try:
            if f:
                if verbose: print "truth test: true"
            else:
                if verbose: print "truth test: false"
        except db.DBError:
            pass
        else:
            self.fail("Exception expected")

        del f

        if verbose:
            print 'modification...'
        f = factory(self.filename, 'w')
        f['d'] = 'discovered'

        if verbose:
            print 'access...'
        for key in f.keys():
            word = f[key]
            if verbose:
                print word

        def noRec(f):
            rec = f['no such key']
        self.assertRaises(KeyError, noRec, f)

        def badKey(f):
            rec = f[15]
        self.assertRaises(TypeError, badKey, f)

        f.close()


#----------------------------------------------------------------------


def test_suite():
    return unittest.makeSuite(CompatibilityTestCase)


if __name__ == '__main__':
    unittest.main(defaultTest='test_suite')