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
|
/*
* Copyright (C) 2016 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.
*/
#include <string>
#include <android-base/file.h>
#include <android-base/properties.h>
#include <android-base/test_utils.h>
#include <gtest/gtest.h>
#include "edify/expr.h"
#include "error_code.h"
#include "updater/install.h"
struct selabel_handle *sehandle = nullptr;
static void expect(const char* expected, const char* expr_str, CauseCode cause_code) {
Expr* e;
int error_count;
EXPECT_EQ(parse_string(expr_str, &e, &error_count), 0);
State state(expr_str, nullptr);
std::string result;
bool status = Evaluate(&state, e, &result);
if (expected == nullptr) {
EXPECT_FALSE(status);
} else {
EXPECT_STREQ(expected, result.c_str());
}
// Error code is set in updater/updater.cpp only, by parsing State.errmsg.
EXPECT_EQ(kNoError, state.error_code);
// Cause code should always be available.
EXPECT_EQ(cause_code, state.cause_code);
}
class UpdaterTest : public ::testing::Test {
protected:
virtual void SetUp() {
RegisterBuiltins();
RegisterInstallFunctions();
}
};
TEST_F(UpdaterTest, getprop) {
expect(android::base::GetProperty("ro.product.device", "").c_str(),
"getprop(\"ro.product.device\")",
kNoCause);
expect(android::base::GetProperty("ro.build.fingerprint", "").c_str(),
"getprop(\"ro.build.fingerprint\")",
kNoCause);
// getprop() accepts only one parameter.
expect(nullptr, "getprop()", kArgsParsingFailure);
expect(nullptr, "getprop(\"arg1\", \"arg2\")", kArgsParsingFailure);
}
TEST_F(UpdaterTest, sha1_check) {
// sha1_check(data) returns the SHA-1 of the data.
expect("81fe8bfe87576c3ecb22426f8e57847382917acf", "sha1_check(\"abcd\")", kNoCause);
expect("da39a3ee5e6b4b0d3255bfef95601890afd80709", "sha1_check(\"\")", kNoCause);
// sha1_check(data, sha1_hex, [sha1_hex, ...]) returns the matched SHA-1.
expect("81fe8bfe87576c3ecb22426f8e57847382917acf",
"sha1_check(\"abcd\", \"81fe8bfe87576c3ecb22426f8e57847382917acf\")",
kNoCause);
expect("81fe8bfe87576c3ecb22426f8e57847382917acf",
"sha1_check(\"abcd\", \"wrong_sha1\", \"81fe8bfe87576c3ecb22426f8e57847382917acf\")",
kNoCause);
// Or "" if there's no match.
expect("",
"sha1_check(\"abcd\", \"wrong_sha1\")",
kNoCause);
expect("",
"sha1_check(\"abcd\", \"wrong_sha1\", \"wrong_sha2\")",
kNoCause);
// sha1_check() expects at least one argument.
expect(nullptr, "sha1_check()", kArgsParsingFailure);
}
TEST_F(UpdaterTest, file_getprop) {
// file_getprop() expects two arguments.
expect(nullptr, "file_getprop()", kArgsParsingFailure);
expect(nullptr, "file_getprop(\"arg1\")", kArgsParsingFailure);
expect(nullptr, "file_getprop(\"arg1\", \"arg2\", \"arg3\")", kArgsParsingFailure);
// File doesn't exist.
expect(nullptr, "file_getprop(\"/doesntexist\", \"key1\")", kFileGetPropFailure);
// Reject too large files (current limit = 65536).
TemporaryFile temp_file1;
std::string buffer(65540, '\0');
ASSERT_TRUE(android::base::WriteStringToFile(buffer, temp_file1.path));
// Read some keys.
TemporaryFile temp_file2;
std::string content("ro.product.name=tardis\n"
"# comment\n\n\n"
"ro.product.model\n"
"ro.product.board = magic \n");
ASSERT_TRUE(android::base::WriteStringToFile(content, temp_file2.path));
std::string script1("file_getprop(\"" + std::string(temp_file2.path) +
"\", \"ro.product.name\")");
expect("tardis", script1.c_str(), kNoCause);
std::string script2("file_getprop(\"" + std::string(temp_file2.path) +
"\", \"ro.product.board\")");
expect("magic", script2.c_str(), kNoCause);
// No match.
std::string script3("file_getprop(\"" + std::string(temp_file2.path) +
"\", \"ro.product.wrong\")");
expect("", script3.c_str(), kNoCause);
std::string script4("file_getprop(\"" + std::string(temp_file2.path) +
"\", \"ro.product.name=\")");
expect("", script4.c_str(), kNoCause);
std::string script5("file_getprop(\"" + std::string(temp_file2.path) +
"\", \"ro.product.nam\")");
expect("", script5.c_str(), kNoCause);
std::string script6("file_getprop(\"" + std::string(temp_file2.path) +
"\", \"ro.product.model\")");
expect("", script6.c_str(), kNoCause);
}
|
