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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/diagnostics/diagnostics_controller.h"
#include <memory>
#include "base/base_paths.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/files/scoped_temp_dir.h"
#include "base/path_service.h"
#include "build/build_config.h"
#include "chrome/browser/diagnostics/diagnostics_model.h"
#include "chrome/browser/diagnostics/diagnostics_writer.h"
#include "chrome/browser/diagnostics/sqlite_diagnostics.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/common/chrome_switches.h"
#include "testing/gtest/include/gtest/gtest.h"
#if BUILDFLAG(IS_CHROMEOS)
#include "ash/constants/ash_constants.h"
#endif // BUILDFLAG(IS_CHROMEOS)
namespace diagnostics {
// Basic harness to acquire and release the required temporary environment to
// run a test in.
class DiagnosticsControllerTest : public testing::Test {
public:
DiagnosticsControllerTest(const DiagnosticsControllerTest&) = delete;
DiagnosticsControllerTest& operator=(const DiagnosticsControllerTest&) =
delete;
protected:
DiagnosticsControllerTest() : cmdline_(base::CommandLine::NO_PROGRAM) {}
~DiagnosticsControllerTest() override = default;
void SetUp() override {
ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
base::FilePath test_data;
base::PathService::Get(chrome::DIR_TEST_DATA, &test_data);
test_data = test_data.Append(FILE_PATH_LITERAL("diagnostics"));
test_data = test_data.Append(FILE_PATH_LITERAL("user"));
base::CopyDirectory(test_data, temp_dir_.GetPath(), true);
profile_dir_ = temp_dir_.GetPath().Append(FILE_PATH_LITERAL("user"));
#if BUILDFLAG(IS_CHROMEOS)
// Redirect the home dir to the profile directory. We have to do this
// because NSS uses the HOME directory to find where to store it's database,
// so that's where the diagnostics and recovery code looks for it.
base::PathService::Get(base::DIR_HOME, &old_home_dir_);
base::PathService::Override(base::DIR_HOME, profile_dir_);
#endif
cmdline_ = base::CommandLine(base::CommandLine::NO_PROGRAM);
cmdline_.AppendSwitchPath(switches::kUserDataDir, profile_dir_);
cmdline_.AppendSwitch(switches::kDiagnostics);
cmdline_.AppendSwitch(switches::kDiagnosticsRecovery);
writer_.reset();
// Use this writer instead, if you want to see the diagnostics output.
// writer_.reset(new DiagnosticsWriter(DiagnosticsWriter::MACHINE));
}
void TearDown() override {
DiagnosticsController::GetInstance()->ClearResults();
#if BUILDFLAG(IS_CHROMEOS)
base::PathService::Override(base::DIR_HOME, old_home_dir_);
old_home_dir_.clear();
#endif
}
void CorruptDataFile(const base::FilePath& path) {
// Just write some random characters into the file tInvaludUsero "corrupt"
// it.
const char bogus_data[] = "wwZ2uNYNuyUVzFbDm3DL";
base::WriteFile(path, bogus_data);
}
std::unique_ptr<DiagnosticsModel> model_;
base::CommandLine cmdline_;
base::ScopedTempDir temp_dir_;
std::unique_ptr<DiagnosticsWriter> writer_;
base::FilePath profile_dir_;
#if BUILDFLAG(IS_CHROMEOS)
base::FilePath old_home_dir_;
#endif
};
TEST_F(DiagnosticsControllerTest, Diagnostics) {
DiagnosticsController::GetInstance()->Run(cmdline_, writer_.get());
EXPECT_TRUE(DiagnosticsController::GetInstance()->HasResults());
const DiagnosticsModel& results =
DiagnosticsController::GetInstance()->GetResults();
EXPECT_EQ(results.GetTestRunCount(), results.GetTestAvailableCount());
EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, results.GetTestRunCount());
for (int i = 0; i < results.GetTestRunCount(); ++i) {
const DiagnosticsModel::TestInfo& info(results.GetTest(i));
EXPECT_EQ(DiagnosticsModel::TEST_OK, info.GetResult()) << "Test: "
<< info.GetName();
}
}
TEST_F(DiagnosticsControllerTest, RecoverAllOK) {
DiagnosticsController::GetInstance()->Run(cmdline_, writer_.get());
DiagnosticsController::GetInstance()->RunRecovery(cmdline_, writer_.get());
EXPECT_TRUE(DiagnosticsController::GetInstance()->HasResults());
const DiagnosticsModel& results =
DiagnosticsController::GetInstance()->GetResults();
EXPECT_EQ(results.GetTestRunCount(), results.GetTestAvailableCount());
EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, results.GetTestRunCount());
for (int i = 0; i < results.GetTestRunCount(); ++i) {
const DiagnosticsModel::TestInfo& info(results.GetTest(i));
EXPECT_EQ(DiagnosticsModel::RECOVERY_OK, info.GetResult())
<< "Test: " << info.GetName();
}
}
#if BUILDFLAG(IS_CHROMEOS)
TEST_F(DiagnosticsControllerTest, RecoverFromNssCertDbFailure) {
base::FilePath db_path = profile_dir_.Append(ash::kNssCertDbPath);
EXPECT_TRUE(base::PathExists(db_path));
CorruptDataFile(db_path);
DiagnosticsController::GetInstance()->Run(cmdline_, writer_.get());
ASSERT_TRUE(DiagnosticsController::GetInstance()->HasResults());
const DiagnosticsModel& results =
DiagnosticsController::GetInstance()->GetResults();
EXPECT_EQ(results.GetTestRunCount(), results.GetTestAvailableCount());
EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, results.GetTestRunCount());
const DiagnosticsModel::TestInfo* info = nullptr;
EXPECT_TRUE(
results.GetTestInfo(DIAGNOSTICS_SQLITE_INTEGRITY_NSS_CERT_TEST, &info));
EXPECT_EQ(DiagnosticsModel::TEST_FAIL_CONTINUE, info->GetResult());
EXPECT_EQ(DIAG_SQLITE_CANNOT_OPEN_DB, info->GetOutcomeCode());
DiagnosticsController::GetInstance()->RunRecovery(cmdline_, writer_.get());
EXPECT_EQ(DiagnosticsModel::RECOVERY_OK, info->GetResult());
EXPECT_FALSE(base::PathExists(db_path));
}
TEST_F(DiagnosticsControllerTest, RecoverFromNssKeyDbFailure) {
base::FilePath db_path = profile_dir_.Append(ash::kNssKeyDbPath);
EXPECT_TRUE(base::PathExists(db_path));
CorruptDataFile(db_path);
DiagnosticsController::GetInstance()->Run(cmdline_, writer_.get());
ASSERT_TRUE(DiagnosticsController::GetInstance()->HasResults());
const DiagnosticsModel& results =
DiagnosticsController::GetInstance()->GetResults();
EXPECT_EQ(results.GetTestRunCount(), results.GetTestAvailableCount());
EXPECT_EQ(DiagnosticsModel::kDiagnosticsTestCount, results.GetTestRunCount());
const DiagnosticsModel::TestInfo* info = nullptr;
EXPECT_TRUE(
results.GetTestInfo(DIAGNOSTICS_SQLITE_INTEGRITY_NSS_KEY_TEST, &info));
EXPECT_EQ(DiagnosticsModel::TEST_FAIL_CONTINUE, info->GetResult());
EXPECT_EQ(DIAG_SQLITE_CANNOT_OPEN_DB, info->GetOutcomeCode());
DiagnosticsController::GetInstance()->RunRecovery(cmdline_, writer_.get());
EXPECT_EQ(DiagnosticsModel::RECOVERY_OK, info->GetResult());
EXPECT_FALSE(base::PathExists(db_path));
}
#endif
} // namespace diagnostics
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