[rac] Temporarily copy libaddressinput to Chrome.

third_party/libaddressinput/chromium/cpp/test/fake_downloader.cc

+// Copyright (C) 2013 Google Inc.
+//
+// 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.
+
+#include "fake_downloader.h"
+
+#include <cassert>
+#include <fstream>
+#include <map>
+#include <string>
+#include <utility>
+
+#include "lookup_key_util.h"
+
+namespace i18n {
+namespace addressinput {
+
+// static
+const char FakeDownloader::kFakeDataUrl[] = "test:///";
+
+namespace {
+
+// The name of the test data file.
+const char kDataFileName[] = TEST_DATA_DIR "/countryinfo.txt";
+
+// The number of characters in the fake data URL prefix.
+const size_t kFakeDataUrlLength = sizeof FakeDownloader::kFakeDataUrl - 1;
+
+const LookupKeyUtil& GetLookupKeyUtil() {
+  static const LookupKeyUtil kLookupKeyUtil(FakeDownloader::kFakeDataUrl);
+  return kLookupKeyUtil;
+}
+
+std::map<std::string, std::string> InitData() {
+  std::map<std::string, std::string> data;
+  std::ifstream file(kDataFileName);
+  assert(file.is_open());
+
+  std::string line;
+  while (file.good()) {
+    std::getline(file, line);
+    std::string::size_type divider = line.find('=');
+    if (divider != std::string::npos) {
+      data.insert(std::make_pair(
+          GetLookupKeyUtil().GetUrlForKey(line.substr(0, divider)),
+          line.substr(divider + 1)));
+    }
+  }
+  file.close();
+  return data;
+}
+
+const std::map<std::string, std::string>& GetData() {
+  static const std::map<std::string, std::string> kData(InitData());
+  return kData;
+}
+
+}  // namespace
+
+FakeDownloader::FakeDownloader() {}
+
+FakeDownloader::~FakeDownloader() {}
+
+void FakeDownloader::Download(const std::string& url,
+                              const Callback& downloaded) const {
+  std::map<std::string, std::string>::const_iterator data_it =
+      GetData().find(url);
+  bool success = data_it != GetData().end();
+  std::string data = success ? data_it->second : std::string();
+  if (!success && GetLookupKeyUtil().IsValidationDataUrl(url)) {
+    // URLs that start with "https://i18napis.appspot.com/ssl-address/" prefix,
+    // but do not have associated data will always return "{}" with status code
+    // 200. FakeDownloader imitates this behavior for URLs that start with
+    // "test:///" prefix.
+    success = true;
+    data = "{}";
+  }
+  downloaded(success, url, data);
+}
+
+}  // namespace addressinput
+}  // namespace i18n