blob: 2ce3cc4fd6db760b2aa0aa35f5c874ccd1516d55 [file] [log] [blame]
// Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <fcntl.h>
#include <set>
#include <string>
#include <vector>
#include <base/eintr_wrapper.h>
#include <base/string_util.h>
#include <glib.h>
#include <gtest/gtest.h>
#include "update_engine/filesystem_copier_action.h"
#include "update_engine/filesystem_iterator.h"
#include "update_engine/omaha_hash_calculator.h"
#include "update_engine/test_utils.h"
#include "update_engine/utils.h"
using std::set;
using std::string;
using std::vector;
namespace chromeos_update_engine {
class FilesystemCopierActionTest : public ::testing::Test {
protected:
// |verify_hash|: 0 - no hash verification, 1 -- successful hash verification,
// 2 -- hash verification failure.
void DoTest(bool run_out_of_space,
bool terminate_early,
bool use_kernel_partition,
int verify_hash);
void SetUp() {
}
void TearDown() {
}
};
class FilesystemCopierActionTestDelegate : public ActionProcessorDelegate {
public:
FilesystemCopierActionTestDelegate() : ran_(false), code_(kActionCodeError) {}
void ExitMainLoop() {
while (g_main_context_pending(NULL)) {
g_main_context_iteration(NULL, false);
}
g_main_loop_quit(loop_);
}
void ProcessingDone(const ActionProcessor* processor, ActionExitCode code) {
ExitMainLoop();
}
void ProcessingStopped(const ActionProcessor* processor) {
ExitMainLoop();
}
void ActionCompleted(ActionProcessor* processor,
AbstractAction* action,
ActionExitCode code) {
if (action->Type() == FilesystemCopierAction::StaticType()) {
ran_ = true;
code_ = code;
}
}
void set_loop(GMainLoop* loop) {
loop_ = loop;
}
bool ran() { return ran_; }
ActionExitCode code() { return code_; }
private:
GMainLoop* loop_;
bool ran_;
ActionExitCode code_;
};
struct StartProcessorCallbackArgs {
ActionProcessor* processor;
FilesystemCopierAction* filesystem_copier_action;
bool terminate_early;
};
gboolean StartProcessorInRunLoop(gpointer data) {
StartProcessorCallbackArgs* args =
reinterpret_cast<StartProcessorCallbackArgs*>(data);
ActionProcessor* processor = args->processor;
processor->StartProcessing();
if (args->terminate_early) {
EXPECT_TRUE(args->filesystem_copier_action);
args->processor->StopProcessing();
}
return FALSE;
}
TEST_F(FilesystemCopierActionTest, RunAsRootSimpleTest) {
ASSERT_EQ(0, getuid());
DoTest(false, false, false, 0);
DoTest(false, false, true, 0);
}
void FilesystemCopierActionTest::DoTest(bool run_out_of_space,
bool terminate_early,
bool use_kernel_partition,
int verify_hash) {
GMainLoop *loop = g_main_loop_new(g_main_context_default(), FALSE);
string a_loop_file;
string b_loop_file;
EXPECT_TRUE(utils::MakeTempFile("/tmp/a_loop_file.XXXXXX",
&a_loop_file,
NULL));
ScopedPathUnlinker a_loop_file_unlinker(a_loop_file);
EXPECT_TRUE(utils::MakeTempFile("/tmp/b_loop_file.XXXXXX",
&b_loop_file,
NULL));
ScopedPathUnlinker b_loop_file_unlinker(b_loop_file);
// Make random data for a, zero filled data for b.
const size_t kLoopFileSize = 10 * 1024 * 1024 + 512;
vector<char> a_loop_data(kLoopFileSize);
FillWithData(&a_loop_data);
vector<char> b_loop_data(run_out_of_space ?
(kLoopFileSize - 1) :
kLoopFileSize,
'\0'); // Fill with 0s
// Write data to disk
EXPECT_TRUE(WriteFileVector(a_loop_file, a_loop_data));
EXPECT_TRUE(WriteFileVector(b_loop_file, b_loop_data));
// Make loop devices for the files
string a_dev = GetUnusedLoopDevice();
EXPECT_FALSE(a_dev.empty());
EXPECT_EQ(0, System(StringPrintf("losetup %s %s",
a_dev.c_str(),
a_loop_file.c_str())));
ScopedLoopbackDeviceReleaser a_dev_releaser(a_dev);
string b_dev = GetUnusedLoopDevice();
EXPECT_FALSE(b_dev.empty());
EXPECT_EQ(0, System(StringPrintf("losetup %s %s",
b_dev.c_str(),
b_loop_file.c_str())));
ScopedLoopbackDeviceReleaser b_dev_releaser(b_dev);
// Set up the action objects
InstallPlan install_plan;
install_plan.is_full_update = false;
if (verify_hash) {
if (use_kernel_partition) {
install_plan.kernel_install_path = a_dev;
install_plan.kernel_size =
kLoopFileSize - ((verify_hash == 2) ? 1 : 0);
EXPECT_TRUE(OmahaHashCalculator::RawHashOfData(
a_loop_data,
&install_plan.kernel_hash));
} else {
install_plan.install_path = a_dev;
install_plan.rootfs_size =
kLoopFileSize - ((verify_hash == 2) ? 1 : 0);
EXPECT_TRUE(OmahaHashCalculator::RawHashOfData(
a_loop_data,
&install_plan.rootfs_hash));
}
} else {
if (use_kernel_partition) {
install_plan.kernel_install_path = b_dev;
} else {
install_plan.install_path = b_dev;
}
}
ActionProcessor processor;
FilesystemCopierActionTestDelegate delegate;
delegate.set_loop(loop);
processor.set_delegate(&delegate);
ObjectFeederAction<InstallPlan> feeder_action;
FilesystemCopierAction copier_action(use_kernel_partition,
verify_hash != 0);
ObjectCollectorAction<InstallPlan> collector_action;
BondActions(&feeder_action, &copier_action);
BondActions(&copier_action, &collector_action);
processor.EnqueueAction(&feeder_action);
processor.EnqueueAction(&copier_action);
processor.EnqueueAction(&collector_action);
if (!verify_hash) {
copier_action.set_copy_source(a_dev);
}
feeder_action.set_obj(install_plan);
StartProcessorCallbackArgs start_callback_args;
start_callback_args.processor = &processor;
start_callback_args.filesystem_copier_action = &copier_action;
start_callback_args.terminate_early = terminate_early;
g_timeout_add(0, &StartProcessorInRunLoop, &start_callback_args);
g_main_loop_run(loop);
g_main_loop_unref(loop);
if (!terminate_early)
EXPECT_TRUE(delegate.ran());
if (run_out_of_space || terminate_early) {
EXPECT_EQ(kActionCodeError, delegate.code());
return;
}
if (verify_hash == 2) {
EXPECT_EQ(use_kernel_partition ?
kActionCodeNewKernelVerificationError :
kActionCodeNewRootfsVerificationError,
delegate.code());
return;
}
EXPECT_EQ(kActionCodeSuccess, delegate.code());
// Make sure everything in the out_image is there
vector<char> a_out;
EXPECT_TRUE(utils::ReadFile(a_dev, &a_out));
if (!verify_hash) {
vector<char> b_out;
EXPECT_TRUE(utils::ReadFile(b_dev, &b_out));
EXPECT_TRUE(ExpectVectorsEq(a_out, b_out));
}
EXPECT_TRUE(ExpectVectorsEq(a_loop_data, a_out));
EXPECT_TRUE(collector_action.object() == install_plan);
}
class FilesystemCopierActionTest2Delegate : public ActionProcessorDelegate {
public:
void ActionCompleted(ActionProcessor* processor,
AbstractAction* action,
ActionExitCode code) {
if (action->Type() == FilesystemCopierAction::StaticType()) {
ran_ = true;
code_ = code;
}
}
GMainLoop *loop_;
bool ran_;
ActionExitCode code_;
};
TEST_F(FilesystemCopierActionTest, MissingInputObjectTest) {
ActionProcessor processor;
FilesystemCopierActionTest2Delegate delegate;
processor.set_delegate(&delegate);
FilesystemCopierAction copier_action(false, false);
ObjectCollectorAction<InstallPlan> collector_action;
BondActions(&copier_action, &collector_action);
processor.EnqueueAction(&copier_action);
processor.EnqueueAction(&collector_action);
processor.StartProcessing();
EXPECT_FALSE(processor.IsRunning());
EXPECT_TRUE(delegate.ran_);
EXPECT_EQ(kActionCodeError, delegate.code_);
}
TEST_F(FilesystemCopierActionTest, FullUpdateTest) {
ActionProcessor processor;
FilesystemCopierActionTest2Delegate delegate;
processor.set_delegate(&delegate);
ObjectFeederAction<InstallPlan> feeder_action;
const char* kUrl = "http://some/url";
InstallPlan install_plan(true, false, kUrl, 0, "", "", "");
feeder_action.set_obj(install_plan);
FilesystemCopierAction copier_action(false, false);
ObjectCollectorAction<InstallPlan> collector_action;
BondActions(&feeder_action, &copier_action);
BondActions(&copier_action, &collector_action);
processor.EnqueueAction(&feeder_action);
processor.EnqueueAction(&copier_action);
processor.EnqueueAction(&collector_action);
processor.StartProcessing();
EXPECT_FALSE(processor.IsRunning());
EXPECT_TRUE(delegate.ran_);
EXPECT_EQ(kActionCodeSuccess, delegate.code_);
EXPECT_EQ(kUrl, collector_action.object().download_url);
}
TEST_F(FilesystemCopierActionTest, ResumeTest) {
ActionProcessor processor;
FilesystemCopierActionTest2Delegate delegate;
processor.set_delegate(&delegate);
ObjectFeederAction<InstallPlan> feeder_action;
const char* kUrl = "http://some/url";
InstallPlan install_plan(false, true, kUrl, 0, "", "", "");
feeder_action.set_obj(install_plan);
FilesystemCopierAction copier_action(false, false);
ObjectCollectorAction<InstallPlan> collector_action;
BondActions(&feeder_action, &copier_action);
BondActions(&copier_action, &collector_action);
processor.EnqueueAction(&feeder_action);
processor.EnqueueAction(&copier_action);
processor.EnqueueAction(&collector_action);
processor.StartProcessing();
EXPECT_FALSE(processor.IsRunning());
EXPECT_TRUE(delegate.ran_);
EXPECT_EQ(kActionCodeSuccess, delegate.code_);
EXPECT_EQ(kUrl, collector_action.object().download_url);
}
TEST_F(FilesystemCopierActionTest, NonExistentDriveTest) {
ActionProcessor processor;
FilesystemCopierActionTest2Delegate delegate;
processor.set_delegate(&delegate);
ObjectFeederAction<InstallPlan> feeder_action;
InstallPlan install_plan(false,
false,
"",
0,
"",
"/no/such/file",
"/no/such/file");
feeder_action.set_obj(install_plan);
FilesystemCopierAction copier_action(false, false);
ObjectCollectorAction<InstallPlan> collector_action;
BondActions(&copier_action, &collector_action);
processor.EnqueueAction(&feeder_action);
processor.EnqueueAction(&copier_action);
processor.EnqueueAction(&collector_action);
processor.StartProcessing();
EXPECT_FALSE(processor.IsRunning());
EXPECT_TRUE(delegate.ran_);
EXPECT_EQ(kActionCodeError, delegate.code_);
}
TEST_F(FilesystemCopierActionTest, RunAsRootVerifyHashTest) {
ASSERT_EQ(0, getuid());
DoTest(false, false, false, 1);
DoTest(false, false, true, 1);
}
TEST_F(FilesystemCopierActionTest, RunAsRootVerifyHashFailTest) {
ASSERT_EQ(0, getuid());
DoTest(false, false, false, 2);
DoTest(false, false, true, 2);
}
TEST_F(FilesystemCopierActionTest, RunAsRootNoSpaceTest) {
ASSERT_EQ(0, getuid());
DoTest(true, false, false, 0);
}
TEST_F(FilesystemCopierActionTest, RunAsRootTerminateEarlyTest) {
ASSERT_EQ(0, getuid());
DoTest(false, true, false, 0);
}
TEST_F(FilesystemCopierActionTest, RunAsRootDetermineFilesystemSizeTest) {
string img;
EXPECT_TRUE(utils::MakeTempFile("/tmp/img.XXXXXX", &img, NULL));
ScopedPathUnlinker img_unlinker(img);
CreateExtImageAtPath(img, NULL);
// Extend the "partition" holding the file system from 10MiB to 20MiB.
EXPECT_EQ(0, System(StringPrintf(
"dd if=/dev/zero of=%s seek=20971519 bs=1 count=1",
img.c_str())));
EXPECT_EQ(20 * 1024 * 1024, utils::FileSize(img));
for (int i = 0; i < 2; ++i) {
bool is_kernel = i == 1;
FilesystemCopierAction action(is_kernel, false);
EXPECT_EQ(kint64max, action.filesystem_size_);
{
int fd = HANDLE_EINTR(open(img.c_str(), O_RDONLY));
EXPECT_TRUE(fd > 0);
ScopedFdCloser fd_closer(&fd);
action.DetermineFilesystemSize(fd);
}
EXPECT_EQ(is_kernel ? kint64max : 10 * 1024 * 1024,
action.filesystem_size_);
}
}
} // namespace chromeos_update_engine