Differential updates for components.

chrome/browser/component_updater/test/test_installer.cc

+// Copyright (c) 2012 The Chromium 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 "chrome/browser/component_updater/test/test_installer.h"
+
+#include "base/file_util.h"
+#include "base/files/file_path.h"
+#include "base/values.h"
+
+TestInstaller::TestInstaller()
+    : error_(0), install_count_(0) {
+}
+
+void TestInstaller::OnUpdateError(int error) {
+  error_ = error;
+}
+
+bool TestInstaller::Install(const base::DictionaryValue& manifest,
+                            const base::FilePath& unpack_path) {
+  ++install_count_;
+  return file_util::Delete(unpack_path, true);
+}
+
+bool TestInstaller::GetInstalledFile(const std::string& file,
+                                     base::FilePath* installed_file) {
+  return false;
+}
+
+int TestInstaller::error() const { return error_; }
+
+int TestInstaller::install_count() const { return install_count_; }
+
+
+ReadOnlyTestInstaller::ReadOnlyTestInstaller(const base::FilePath& install_dir)
+    : install_directory_(install_dir) {
+}
+
+ReadOnlyTestInstaller::~ReadOnlyTestInstaller() {
+}
+
+bool ReadOnlyTestInstaller::GetInstalledFile(const std::string& file,
+                                             base::FilePath* installed_file) {
+  *installed_file = install_directory_.AppendASCII(file);
+  return true;
+}
+
+
+VersionedTestInstaller::VersionedTestInstaller() {
+  file_util::CreateNewTempDirectory(FILE_PATH_LITERAL("TEST_"),
+                                    &install_directory_);
+}
+
+VersionedTestInstaller::~VersionedTestInstaller() {
+  file_util::Delete(install_directory_, true);
+}
+
+
+bool VersionedTestInstaller::Install(const base::DictionaryValue& manifest,
+                                     const base::FilePath& unpack_path) {
+  std::string version_string;
+  manifest.GetStringASCII("version", &version_string);
+  Version version(version_string.c_str());
+
+  base::FilePath path;
+  path = install_directory_.AppendASCII(version.GetString());
+  file_util::CreateDirectory(path.DirName());
+  if (!file_util::Move(unpack_path, path))
+    return false;
+  current_version_ = version;
+  ++install_count_;
+  return true;
+}
+
+bool VersionedTestInstaller::GetInstalledFile(const std::string& file,
+                                              base::FilePath* installed_file) {
+  base::FilePath path;
+  path = install_directory_.AppendASCII(current_version_.GetString());
+  *installed_file = path.Append(base::FilePath::FromUTF8Unsafe(file));
+  return true;
+}