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/*
* Copyright (C) 2019 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 "patch_utils.h"
#include <android-base/file.h>
#include <gtest/gtest.h>
#include <stdio.h>
#include <stdlib.h>
#include <sstream>
#include <string>
#include <google/protobuf/util/message_differencer.h>
#include "adb_io.h"
#include "sysdeps.h"
using namespace com::android::fastdeploy;
using google::protobuf::util::MessageDifferencer;
static std::string GetTestFile(const std::string& name) {
return "fastdeploy/testdata/" + name;
}
bool FileMatchesContent(android::base::borrowed_fd input, const char* contents,
ssize_t contentsSize) {
adb_lseek(input, 0, SEEK_SET);
// Use a temp buffer larger than any test contents.
constexpr int BUFFER_SIZE = 2048;
char buffer[BUFFER_SIZE];
bool result = true;
// Validate size of files is equal.
ssize_t readAmount = adb_read(input, buffer, BUFFER_SIZE);
EXPECT_EQ(readAmount, contentsSize);
result = memcmp(buffer, contents, readAmount) == 0;
for (int i = 0; i < readAmount; i++) {
printf("%x", buffer[i]);
}
printf(" == ");
for (int i = 0; i < contentsSize; i++) {
printf("%x", contents[i]);
}
printf("\n");
return result;
}
TEST(PatchUtilsTest, SwapLongWrites) {
TemporaryFile output;
PatchUtils::WriteLong(0x0011223344556677, output.fd);
adb_lseek(output.fd, 0, SEEK_SET);
const char expected[] = {0x77, 0x66, 0x55, 0x44, 0x33, 0x22, 0x11, 0x00};
EXPECT_TRUE(FileMatchesContent(output.fd, expected, 8));
}
TEST(PatchUtilsTest, PipeWritesAmountToOutput) {
std::string expected("Some Data");
TemporaryFile input;
TemporaryFile output;
// Populate input file.
WriteFdExactly(input.fd, expected);
adb_lseek(input.fd, 0, SEEK_SET);
// Open input file for read, and output file for write.
PatchUtils::Pipe(input.fd, output.fd, expected.size());
// Validate pipe worked
EXPECT_TRUE(FileMatchesContent(output.fd, expected.c_str(), expected.size()));
}
TEST(PatchUtilsTest, SignatureConstMatches) {
std::string apkFile = GetTestFile("rotating_cube-release.apk");
TemporaryFile output;
PatchUtils::WriteSignature(output.fd);
std::string contents("FASTDEPLOY");
EXPECT_TRUE(FileMatchesContent(output.fd, contents.c_str(), contents.size()));
}
TEST(PatchUtilsTest, GatherMetadata) {
std::string apkFile = GetTestFile("rotating_cube-release.apk");
APKMetaData actual = PatchUtils::GetHostAPKMetaData(apkFile.c_str());
std::string expectedMetadata;
android::base::ReadFileToString(GetTestFile("rotating_cube-metadata-release.data"),
&expectedMetadata, true);
APKMetaData expected;
EXPECT_TRUE(expected.ParseFromString(expectedMetadata));
// Test paths might vary.
expected.set_absolute_path(actual.absolute_path());
std::string actualMetadata;
actual.SerializeToString(&actualMetadata);
expected.SerializeToString(&expectedMetadata);
EXPECT_EQ(expectedMetadata, actualMetadata);
}
static inline void sanitize(APKMetaData& metadata) {
metadata.clear_absolute_path();
for (auto&& entry : *metadata.mutable_entries()) {
entry.clear_datasize();
}
}
TEST(PatchUtilsTest, GatherDumpMetadata) {
APKMetaData hostMetadata;
APKMetaData deviceMetadata;
hostMetadata = PatchUtils::GetHostAPKMetaData(GetTestFile("sample.apk").c_str());
{
std::string cd;
android::base::ReadFileToString(GetTestFile("sample.cd"), &cd, true);
APKDump dump;
dump.set_cd(std::move(cd));
deviceMetadata = PatchUtils::GetDeviceAPKMetaData(dump);
}
sanitize(hostMetadata);
sanitize(deviceMetadata);
std::string expectedMetadata;
hostMetadata.SerializeToString(&expectedMetadata);
std::string actualMetadata;
deviceMetadata.SerializeToString(&actualMetadata);
EXPECT_EQ(expectedMetadata, actualMetadata);
}
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