ApkAssets_test.cpp revision 392132748416719e3df427e6ac8dc11af194342c 
1/*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "androidfw/ApkAssets.h"
18
19#include "android-base/file.h"
20#include "android-base/test_utils.h"
21#include "android-base/unique_fd.h"
22#include "androidfw/Util.h"
23
24#include "TestHelpers.h"
25#include "data/basic/R.h"
26
27using ::android::base::unique_fd;
28using ::com::android::basic::R;
29using ::testing::Eq;
30using ::testing::Ge;
31using ::testing::NotNull;
32using ::testing::SizeIs;
33using ::testing::StrEq;
34
35namespace android {
36
37TEST(ApkAssetsTest, LoadApk) {
38  std::unique_ptr<const ApkAssets> loaded_apk =
39      ApkAssets::Load(GetTestDataPath() + "/basic/basic.apk");
40  ASSERT_THAT(loaded_apk, NotNull());
41
42  const LoadedArsc* loaded_arsc = loaded_apk->GetLoadedArsc();
43  ASSERT_THAT(loaded_arsc, NotNull());
44  ASSERT_THAT(loaded_arsc->GetPackageById(0x7fu), NotNull());
45  ASSERT_THAT(loaded_apk->Open("res/layout/main.xml"), NotNull());
46}
47
48TEST(ApkAssetsTest, LoadApkFromFd) {
49  const std::string path = GetTestDataPath() + "/basic/basic.apk";
50  unique_fd fd(::open(path.c_str(), O_RDONLY | O_BINARY));
51  ASSERT_THAT(fd.get(), Ge(0));
52
53  std::unique_ptr<const ApkAssets> loaded_apk =
54      ApkAssets::LoadFromFd(std::move(fd), path, false /*system*/, false /*force_shared_lib*/);
55  ASSERT_THAT(loaded_apk, NotNull());
56
57  const LoadedArsc* loaded_arsc = loaded_apk->GetLoadedArsc();
58  ASSERT_THAT(loaded_arsc, NotNull());
59  ASSERT_THAT(loaded_arsc->GetPackageById(0x7fu), NotNull());
60  ASSERT_THAT(loaded_apk->Open("res/layout/main.xml"), NotNull());
61}
62
63TEST(ApkAssetsTest, LoadApkAsSharedLibrary) {
64  std::unique_ptr<const ApkAssets> loaded_apk =
65      ApkAssets::Load(GetTestDataPath() + "/appaslib/appaslib.apk");
66  ASSERT_THAT(loaded_apk, NotNull());
67
68  const LoadedArsc* loaded_arsc = loaded_apk->GetLoadedArsc();
69  ASSERT_THAT(loaded_arsc, NotNull());
70  ASSERT_THAT(loaded_arsc->GetPackages(), SizeIs(1u));
71  EXPECT_FALSE(loaded_arsc->GetPackages()[0]->IsDynamic());
72
73  loaded_apk = ApkAssets::LoadAsSharedLibrary(GetTestDataPath() + "/appaslib/appaslib.apk");
74  ASSERT_THAT(loaded_apk, NotNull());
75
76  loaded_arsc = loaded_apk->GetLoadedArsc();
77  ASSERT_THAT(loaded_arsc, NotNull());
78  ASSERT_THAT(loaded_arsc->GetPackages(), SizeIs(1u));
79  EXPECT_TRUE(loaded_arsc->GetPackages()[0]->IsDynamic());
80}
81
82TEST(ApkAssetsTest, LoadApkWithIdmap) {
83  std::string contents;
84  ResTable target_table;
85  const std::string target_path = GetTestDataPath() + "/basic/basic.apk";
86  ASSERT_TRUE(ReadFileFromZipToString(target_path, "resources.arsc", &contents));
87  ASSERT_THAT(target_table.add(contents.data(), contents.size(), 0, true /*copyData*/),
88              Eq(NO_ERROR));
89
90  ResTable overlay_table;
91  const std::string overlay_path = GetTestDataPath() + "/overlay/overlay.apk";
92  ASSERT_TRUE(ReadFileFromZipToString(overlay_path, "resources.arsc", &contents));
93  ASSERT_THAT(overlay_table.add(contents.data(), contents.size(), 0, true /*copyData*/),
94              Eq(NO_ERROR));
95
96  util::unique_cptr<void> idmap_data;
97  void* temp_data;
98  size_t idmap_len;
99
100  ASSERT_THAT(target_table.createIdmap(overlay_table, 0u, 0u, target_path.c_str(),
101                                       overlay_path.c_str(), &temp_data, &idmap_len),
102              Eq(NO_ERROR));
103  idmap_data.reset(temp_data);
104
105  TemporaryFile tf;
106  ASSERT_TRUE(base::WriteFully(tf.fd, idmap_data.get(), idmap_len));
107  close(tf.fd);
108
109  // Open something so that the destructor of TemporaryFile closes a valid fd.
110  tf.fd = open("/dev/null", O_WRONLY);
111
112  ASSERT_THAT(ApkAssets::LoadOverlay(tf.path), NotNull());
113}
114
115TEST(ApkAssetsTest, CreateAndDestroyAssetKeepsApkAssetsOpen) {
116  std::unique_ptr<const ApkAssets> loaded_apk =
117      ApkAssets::Load(GetTestDataPath() + "/basic/basic.apk");
118  ASSERT_THAT(loaded_apk, NotNull());
119
120  { ASSERT_THAT(loaded_apk->Open("res/layout/main.xml", Asset::ACCESS_BUFFER), NotNull()); }
121
122  { ASSERT_THAT(loaded_apk->Open("res/layout/main.xml", Asset::ACCESS_BUFFER), NotNull()); }
123}
124
125TEST(ApkAssetsTest, OpenUncompressedAssetFd) {
126  std::unique_ptr<const ApkAssets> loaded_apk =
127      ApkAssets::Load(GetTestDataPath() + "/basic/basic.apk");
128  ASSERT_THAT(loaded_apk, NotNull());
129
130  auto asset = loaded_apk->Open("assets/uncompressed.txt", Asset::ACCESS_UNKNOWN);
131  ASSERT_THAT(asset, NotNull());
132
133  off64_t start, length;
134  unique_fd fd(asset->openFileDescriptor(&start, &length));
135  ASSERT_THAT(fd.get(), Ge(0));
136
137  lseek64(fd.get(), start, SEEK_SET);
138
139  std::string buffer;
140  buffer.resize(length);
141  ASSERT_TRUE(base::ReadFully(fd.get(), &*buffer.begin(), length));
142
143  EXPECT_THAT(buffer, StrEq("This should be uncompressed.\n\n"));
144}
145
146}  // namespace android
147