cmds/idmap2/tests/TestHelpers.h

/*
 * Copyright (C) 2018 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.
 */

#ifndef IDMAP2_TESTS_TESTHELPERS_H_
#define IDMAP2_TESTS_TESTHELPERS_H_

#include <string>

#include "gmock/gmock.h"
#include "gtest/gtest.h"

namespace android::idmap2 {

const unsigned char idmap_raw_data[] = {
    // IDMAP HEADER
    // 0x0: magic
    0x49, 0x44, 0x4d, 0x50,

    // 0x4: version
    0x04, 0x00, 0x00, 0x00,

    // 0x8: target crc
    0x34, 0x12, 0x00, 0x00,

    // 0xc: overlay crc
    0x78, 0x56, 0x00, 0x00,

    // 0x10: fulfilled policies
    0x11, 0x00, 0x00, 0x00,

    // 0x14: enforce overlayable
    0x01,

    // 0x15: target path "targetX.apk"
    0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x58, 0x2e, 0x61, 0x70, 0x6b, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    // 0x115: overlay path "overlayX.apk"
    0x6f, 0x76, 0x65, 0x72, 0x6c, 0x61, 0x79, 0x58, 0x2e, 0x61, 0x70, 0x6b, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,

    // 0x215: debug string
    // string length, including terminating null
    0x08, 0x00, 0x00, 0x00,

    // string contents "debug\0\0\0" (padded to word alignment)
    0x64, 0x65, 0x62, 0x75, 0x67, 0x00, 0x00, 0x00,

    // DATA HEADER
    // 0x221: target_package_id
    0x7f,

    // 0x222: overlay_package_id
    0x7f,

    // 0x223: target_entry_count
    0x03, 0x00, 0x00, 0x00,

    // 0x227: overlay_entry_count
    0x03, 0x00, 0x00, 0x00,

    // 0x22b: string_pool_offset
    0x00, 0x00, 0x00, 0x00,

    // 0x22f: string_pool_byte_length
    0x00, 0x00, 0x00, 0x00,

    // TARGET ENTRIES
    // 0x233: 0x7f020000
    0x00, 0x00, 0x02, 0x7f,

    // 0x237: TYPE_REFERENCE
    0x01,

    // 0x238: 0x7f020000
    0x00, 0x00, 0x02, 0x7f,

    // 0x23c: 0x7f030000
    0x00, 0x00, 0x03, 0x7f,

    // 0x240: TYPE_REFERENCE
    0x01,

    // 0x241: 0x7f030000
    0x00, 0x00, 0x03, 0x7f,

    // 0x245: 0x7f030002
    0x02, 0x00, 0x03, 0x7f,

    // 0x249: TYPE_REFERENCE
    0x01,

    // 0x24a: 0x7f030001
    0x01, 0x00, 0x03, 0x7f,

    // OVERLAY ENTRIES
    // 0x24e: 0x7f020000 -> 0x7f020000
    0x00, 0x00, 0x02, 0x7f, 0x00, 0x00, 0x02, 0x7f,

    // 0x256: 0x7f030000 -> 0x7f030000
    0x00, 0x00, 0x03, 0x7f, 0x00, 0x00, 0x03, 0x7f,

    // 0x25e: 0x7f030001 -> 0x7f030002
    0x01, 0x00, 0x03, 0x7f, 0x02, 0x00, 0x03, 0x7f};

const unsigned int idmap_raw_data_len = 0x266;

std::string GetTestDataPath();

class Idmap2Tests : public testing::Test {
 protected:
  void SetUp() override {
#ifdef __ANDROID__
    tmp_dir_path_ = "/data/local/tmp/idmap2-tests-XXXXXX";
#else
    tmp_dir_path_ = "/tmp/idmap2-tests-XXXXXX";
#endif
    EXPECT_NE(mkdtemp(const_cast<char*>(tmp_dir_path_.c_str())), nullptr)
        << "Failed to create temporary directory: " << strerror(errno);
    target_apk_path_ = GetTestDataPath() + "/target/target.apk";
    overlay_apk_path_ = GetTestDataPath() + "/overlay/overlay.apk";
    idmap_path_ = tmp_dir_path_ + "/a.idmap";
  }

  void TearDown() override {
    EXPECT_EQ(rmdir(tmp_dir_path_.c_str()), 0)
        << "Failed to remove temporary directory " << tmp_dir_path_ << ": " << strerror(errno);
  }

  const std::string& GetTempDirPath() {
    return tmp_dir_path_;
  }

  const std::string& GetTargetApkPath() {
    return target_apk_path_;
  }

  const std::string& GetOverlayApkPath() {
    return overlay_apk_path_;
  }

  const std::string& GetIdmapPath() {
    return idmap_path_;
  }

 private:
  std::string tmp_dir_path_;
  std::string target_apk_path_;
  std::string overlay_apk_path_;
  std::string idmap_path_;
};

}  // namespace android::idmap2

#endif  // IDMAP2_TESTS_TESTHELPERS_H_