97 lines
2.9 KiB
C++
97 lines
2.9 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <unistd.h>
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#include <string>
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#include <vector>
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#include <android-base/file.h>
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#include <android-base/strings.h>
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#include <gtest/gtest.h>
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#include "fuse_sideload.h"
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TEST(SideloadTest, fuse_device) {
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ASSERT_EQ(0, access("/dev/fuse", R_OK | W_OK));
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}
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TEST(SideloadTest, run_fuse_sideload_wrong_parameters) {
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provider_vtab vtab;
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vtab.close = [](void) {};
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ASSERT_EQ(-1, run_fuse_sideload(vtab, 4096, 4095));
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ASSERT_EQ(-1, run_fuse_sideload(vtab, 4096, (1 << 22) + 1));
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// Too many blocks.
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ASSERT_EQ(-1, run_fuse_sideload(vtab, ((1 << 18) + 1) * 4096, 4096));
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}
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TEST(SideloadTest, run_fuse_sideload) {
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const std::vector<std::string> blocks = {
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std::string(2048, 'a') + std::string(2048, 'b'),
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std::string(2048, 'c') + std::string(2048, 'd'),
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std::string(2048, 'e') + std::string(2048, 'f'),
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std::string(2048, 'g') + std::string(2048, 'h'),
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};
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const std::string content = android::base::Join(blocks, "");
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ASSERT_EQ(16384U, content.size());
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provider_vtab vtab;
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vtab.close = [](void) {};
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vtab.read_block = [&blocks](uint32_t block, uint8_t* buffer, uint32_t fetch_size) {
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if (block >= 4) return -1;
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blocks[block].copy(reinterpret_cast<char*>(buffer), fetch_size);
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return 0;
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};
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TemporaryDir mount_point;
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pid_t pid = fork();
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if (pid == 0) {
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ASSERT_EQ(0, run_fuse_sideload(vtab, 16384, 4096, mount_point.path));
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_exit(EXIT_SUCCESS);
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}
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std::string package = std::string(mount_point.path) + "/" + FUSE_SIDELOAD_HOST_FILENAME;
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int status;
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static constexpr int kSideloadInstallTimeout = 10;
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for (int i = 0; i < kSideloadInstallTimeout; ++i) {
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ASSERT_NE(-1, waitpid(pid, &status, WNOHANG));
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struct stat sb;
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if (stat(package.c_str(), &sb) == 0) {
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break;
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}
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if (errno == ENOENT && i < kSideloadInstallTimeout - 1) {
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sleep(1);
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continue;
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}
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FAIL() << "Timed out waiting for the fuse-provided package.";
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}
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std::string content_via_fuse;
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ASSERT_TRUE(android::base::ReadFileToString(package, &content_via_fuse));
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ASSERT_EQ(content, content_via_fuse);
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std::string exit_flag = std::string(mount_point.path) + "/" + FUSE_SIDELOAD_HOST_EXIT_FLAG;
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struct stat sb;
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ASSERT_EQ(0, stat(exit_flag.c_str(), &sb));
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waitpid(pid, &status, 0);
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ASSERT_EQ(0, WEXITSTATUS(status));
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ASSERT_EQ(EXIT_SUCCESS, WEXITSTATUS(status));
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}
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