Home | History | Annotate | Download | only in tests
      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 
     27 using ::android::base::unique_fd;
     28 using ::com::android::basic::R;
     29 using ::testing::Eq;
     30 using ::testing::Ge;
     31 using ::testing::NotNull;
     32 using ::testing::SizeIs;
     33 using ::testing::StrEq;
     34 
     35 namespace android {
     36 
     37 TEST(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 
     48 TEST(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 
     63 TEST(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 
     82 TEST(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 
    115 TEST(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 
    125 TEST(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