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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
|
#!/usr/bin/env python
#
# Copyright (C) 2022 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the 'License');
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an 'AS IS' BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unit tests for verify_overlaps_test.py."""
import io
import unittest
from signature_trie import InteriorNode
from signature_trie import signature_trie
class TestSignatureToElements(unittest.TestCase):
@staticmethod
def signature_to_elements(signature):
return InteriorNode.signature_to_elements(signature)
@staticmethod
def elements_to_signature(elements):
return InteriorNode.elements_to_selector(elements)
def test_nested_inner_classes(self):
elements = [
("package", "java"),
("package", "lang"),
("class", "ProcessBuilder"),
("class", "Redirect"),
("class", "1"),
("member", "<init>()V"),
]
signature = "Ljava/lang/ProcessBuilder$Redirect$1;-><init>()V"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, "L" + self.elements_to_signature(elements))
def test_basic_member(self):
elements = [
("package", "java"),
("package", "lang"),
("class", "Object"),
("member", "hashCode()I"),
]
signature = "Ljava/lang/Object;->hashCode()I"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, "L" + self.elements_to_signature(elements))
def test_double_dollar_class(self):
elements = [
("package", "java"),
("package", "lang"),
("class", "CharSequence"),
("class", ""),
("class", "ExternalSyntheticLambda0"),
("member", "<init>(Ljava/lang/CharSequence;)V"),
]
signature = "Ljava/lang/CharSequence$$ExternalSyntheticLambda0;" \
"-><init>(Ljava/lang/CharSequence;)V"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, "L" + self.elements_to_signature(elements))
def test_no_member(self):
elements = [
("package", "java"),
("package", "lang"),
("class", "CharSequence"),
("class", ""),
("class", "ExternalSyntheticLambda0"),
]
signature = "Ljava/lang/CharSequence$$ExternalSyntheticLambda0"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, "L" + self.elements_to_signature(elements))
def test_wildcard(self):
elements = [
("package", "java"),
("package", "lang"),
("wildcard", "*"),
]
signature = "java/lang/*"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, self.elements_to_signature(elements))
def test_recursive_wildcard(self):
elements = [
("package", "java"),
("package", "lang"),
("wildcard", "**"),
]
signature = "java/lang/**"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, self.elements_to_signature(elements))
def test_no_packages_wildcard(self):
elements = [
("wildcard", "*"),
]
signature = "*"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, self.elements_to_signature(elements))
def test_no_packages_recursive_wildcard(self):
elements = [
("wildcard", "**"),
]
signature = "**"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, self.elements_to_signature(elements))
def test_non_standard_class_name(self):
elements = [
("package", "javax"),
("package", "crypto"),
("class", "extObjectInputStream"),
]
signature = "Ljavax/crypto/extObjectInputStream"
self.assertEqual(elements, self.signature_to_elements(signature))
self.assertEqual(signature, "L" + self.elements_to_signature(elements))
def test_invalid_pattern_wildcard(self):
pattern = "Ljava/lang/Class*"
with self.assertRaises(Exception) as context:
self.signature_to_elements(pattern)
self.assertIn("invalid wildcard 'Class*'", str(context.exception))
def test_invalid_pattern_wildcard_and_member(self):
pattern = "Ljava/lang/*;->hashCode()I"
with self.assertRaises(Exception) as context:
self.signature_to_elements(pattern)
self.assertIn(
"contains wildcard '*' and member signature 'hashCode()I'",
str(context.exception))
class TestValues(unittest.TestCase):
def test_add_then_get(self):
trie = signature_trie()
trie.add("La/b/C;->l()", 1)
trie.add("La/b/C$D;->m()", "A")
trie.add("La/b/C$D;->n()", {})
package_a_node = next(iter(trie.child_nodes()))
self.assertEqual("package", package_a_node.type)
self.assertEqual("a", package_a_node.selector)
package_b_node = next(iter(package_a_node.child_nodes()))
self.assertEqual("package", package_b_node.type)
self.assertEqual("a/b", package_b_node.selector)
class_c_node = next(iter(package_b_node.child_nodes()))
self.assertEqual("class", class_c_node.type)
self.assertEqual("a/b/C", class_c_node.selector)
self.assertEqual([1, "A", {}], class_c_node.values(lambda _: True))
class TestGetMatchingRows(unittest.TestCase):
extractInput = """
Ljava/lang/Character$UnicodeScript;->of(I)Ljava/lang/Character$UnicodeScript;
Ljava/lang/Character;->serialVersionUID:J
Ljava/lang/Object;->hashCode()I
Ljava/lang/Object;->toString()Ljava/lang/String;
Ljava/lang/ProcessBuilder$Redirect$1;-><init>()V
Ljava/util/zip/ZipFile;-><clinit>()V
"""
def read_trie(self):
trie = signature_trie()
with io.StringIO(self.extractInput.strip()) as f:
for line in iter(f.readline, ""):
line = line.rstrip()
trie.add(line, line)
return trie
def check_patterns(self, pattern, expected):
trie = self.read_trie()
self.check_node_patterns(trie, pattern, expected)
def check_node_patterns(self, node, pattern, expected):
actual = list(node.get_matching_rows(pattern))
actual.sort()
self.assertEqual(expected, actual)
def test_member_pattern(self):
self.check_patterns("java/util/zip/ZipFile;-><clinit>()V",
["Ljava/util/zip/ZipFile;-><clinit>()V"])
def test_class_pattern(self):
self.check_patterns("java/lang/Object", [
"Ljava/lang/Object;->hashCode()I",
"Ljava/lang/Object;->toString()Ljava/lang/String;",
])
# pylint: disable=line-too-long
def test_nested_class_pattern(self):
self.check_patterns("java/lang/Character", [
"Ljava/lang/Character$UnicodeScript;->of(I)Ljava/lang/Character$UnicodeScript;",
"Ljava/lang/Character;->serialVersionUID:J",
])
def test_wildcard(self):
self.check_patterns("java/lang/*", [
"Ljava/lang/Character$UnicodeScript;->of(I)Ljava/lang/Character$UnicodeScript;",
"Ljava/lang/Character;->serialVersionUID:J",
"Ljava/lang/Object;->hashCode()I",
"Ljava/lang/Object;->toString()Ljava/lang/String;",
"Ljava/lang/ProcessBuilder$Redirect$1;-><init>()V",
])
def test_recursive_wildcard(self):
self.check_patterns("java/**", [
"Ljava/lang/Character$UnicodeScript;->of(I)Ljava/lang/Character$UnicodeScript;",
"Ljava/lang/Character;->serialVersionUID:J",
"Ljava/lang/Object;->hashCode()I",
"Ljava/lang/Object;->toString()Ljava/lang/String;",
"Ljava/lang/ProcessBuilder$Redirect$1;-><init>()V",
"Ljava/util/zip/ZipFile;-><clinit>()V",
])
def test_node_wildcard(self):
trie = self.read_trie()
node = list(trie.child_nodes())[0]
self.check_node_patterns(node, "**", [
"Ljava/lang/Character$UnicodeScript;->of(I)Ljava/lang/Character$UnicodeScript;",
"Ljava/lang/Character;->serialVersionUID:J",
"Ljava/lang/Object;->hashCode()I",
"Ljava/lang/Object;->toString()Ljava/lang/String;",
"Ljava/lang/ProcessBuilder$Redirect$1;-><init>()V",
"Ljava/util/zip/ZipFile;-><clinit>()V",
])
# pylint: enable=line-too-long
if __name__ == "__main__":
unittest.main(verbosity=2)
|