File: test_lib.py

package info (click to toggle)
python-ssdeep 3.4.1-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 696 kB
  • sloc: ansic: 1,614; cpp: 1,586; python: 590; makefile: 194; sh: 32
file content (177 lines) | stat: -rwxr-xr-x 5,505 bytes parent folder | download | duplicates (2)
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
#!/usr/bin/env python
import pytest
import ssdeep


class TestFunctionsFail(object):
    def test_compare(self):
        with pytest.raises(TypeError):
            ssdeep.compare(
                "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C",
                None
            )

        with pytest.raises(TypeError):
            ssdeep.compare(
                None,
                "3:AXGBicFlIHBGcL6wCrFQEv:AXGH6xLsr2C"
            )

        with pytest.raises(ssdeep.InternalError):
            ssdeep.compare(
                "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C",
                ""
            )

    def test_hash(self):
        with pytest.raises(TypeError):
            ssdeep.hash(None)

        with pytest.raises(TypeError):
            ssdeep.hash(1234)


class TestFunctions(object):
    def test_compare(self):
        res = ssdeep.compare(
            "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C",
            "3:AXGBicFlIHBGcL6wCrFQEv:AXGH6xLsr2C"
        )
        assert res == 22

        res = ssdeep.compare(
            b"3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C",
            b"3:AXGBicFlIHBGcL6wCrFQEv:AXGH6xLsr2C"
        )
        assert res == 22

    def test_hash_1(self):
        res = ssdeep.hash("Also called fuzzy hashes, Ctph can match inputs that have homologies.")
        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"

    def test_hash_2(self):
        res = ssdeep.hash("Also called fuzzy hashes, CTPH can match inputs that have homologies.")
        assert res == "3:AXGBicFlIHBGcL6wCrFQEv:AXGH6xLsr2C"

    def test_hash_3(self):
        res = ssdeep.hash(b"Also called fuzzy hashes, CTPH can match inputs that have homologies.")
        assert res == "3:AXGBicFlIHBGcL6wCrFQEv:AXGH6xLsr2C"

    def test_hash_from_file(self):
        with pytest.raises(IOError):
            ssdeep.hash_from_file("tests/files/")

        with pytest.raises(IOError):
            ssdeep.hash_from_file("tests/files/file-does-not-exist.txt")

        res = ssdeep.hash_from_file("tests/files/file.txt")
        assert res == "3:AXGBicFlgVNhBGcL6wCrFQE3:AXGHsNhxLsr2s"


class TestHashClass(object):
    def test_copy(self):
        obj = ssdeep.Hash()
        obj.update("Also called fuzzy hashes, ")
        new_obj = obj.copy()
        assert isinstance(new_obj, ssdeep.Hash)

        res = obj.digest()
        new_res = new_obj.digest()
        assert res == "3:AXGBicFlF:AXGHR"
        assert new_res == "3:AXGBicFlF:AXGHR"

        # Update only original object
        obj.update("Ctph can match inputs that have homologies.")

        res = obj.digest()
        new_res = new_obj.digest()
        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"
        assert new_res == "3:AXGBicFlF:AXGHR"

        # Update only new object
        new_obj.update("Ctph can match inputs that have homologies.")
        res = obj.digest()
        new_res = new_obj.digest()
        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"
        assert new_res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"

    def test_hashlib(self):
        obj = ssdeep.Hash()
        assert obj.name == "ssdeep"

        obj.update("Ctph can match inputs that have homologies.")
        assert obj.block_size == 3

    def test_update(self):
        obj = ssdeep.Hash()
        obj.update("Also called fuzzy hashes, Ctph can match inputs that have homologies.")
        res = obj.digest()

        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"


class TestPseudoHashClass(object):
    def test_copy(self):
        obj = ssdeep.PseudoHash()
        obj.update("Also called fuzzy hashes, ")
        new_obj = obj.copy()
        assert isinstance(new_obj, ssdeep.PseudoHash)

        res = obj.digest()
        new_res = new_obj.digest()
        assert res == "3:AXGBicFlF:AXGHR"
        assert new_res == "3:AXGBicFlF:AXGHR"

        # Update only original object
        obj.update("Ctph can match inputs that have homologies.")

        res = obj.digest()
        new_res = new_obj.digest()
        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"
        assert new_res == "3:AXGBicFlF:AXGHR"

        # Update only new object
        new_obj.update("Ctph can match inputs that have homologies.")
        res = obj.digest()
        new_res = new_obj.digest()
        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"
        assert new_res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"

    def test_hashlib(self):
        obj = ssdeep.PseudoHash()
        assert obj.name == "ssdeep"

        obj.update("Ctph can match inputs that have homologies.")
        assert obj.block_size == 3

    def test_update(self):
        obj = ssdeep.PseudoHash()
        obj.update("Also called fuzzy hashes, ")
        obj.update("Ctph can match inputs that have homologies.")
        res = obj.digest()

        assert res == "3:AXGBicFlgVNhBGcL6wCrFQEv:AXGHsNhxLsr2C"


class TestHashClassFail(object):
    def test_update_01(self):
        obj = ssdeep.Hash()
        with pytest.raises(TypeError):
            obj.update(None)

    def test_update_02(self):
        obj = ssdeep.Hash()
        with pytest.raises(TypeError):
            obj.update(1234)


class TestPseudoHashClassFail(object):
    def test_update_01(self):
        obj = ssdeep.PseudoHash()
        with pytest.raises(TypeError):
            obj.update(None)

    def test_update_02(self):
        obj = ssdeep.PseudoHash()
        with pytest.raises(TypeError):
            obj.update(1234)