Loads local resources from current locale subtree if available, if not it fal...

chrome/common/extensions/extension_resource_unittest.cc

+// Copyright (c) 2009 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 "app/l10n_util.h"
+#include "base/file_util.h"
+#include "base/path_service.h"
+#include "base/scoped_temp_dir.h"
+#include "chrome/common/extensions/extension.h"
+#include "chrome/common/extensions/extension_resource.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(ExtensionResourceTest, CreateEmptyResource) {
+  ExtensionResource resource;
+
+  EXPECT_TRUE(resource.extension_root().empty());
+  EXPECT_TRUE(resource.relative_path().empty());
+  EXPECT_TRUE(resource.GetFilePath().empty());
+}
+
+TEST(ExtensionResourceTest, CreateWithMissingResourceOnDisk) {
+  FilePath path;
+  ExtensionResource resource(path.AppendASCII("foo"), path.AppendASCII("bar"));
+
+  EXPECT_TRUE(path.AppendASCII("foo") == resource.extension_root());
+  EXPECT_TRUE(path.AppendASCII("bar") == resource.relative_path());
+  EXPECT_TRUE(path.AppendASCII("foo").AppendASCII("bar") ==
+      resource.GetFilePath());
+  EXPECT_FALSE(resource.GetFilePath().empty());
+}
+
+TEST(ExtensionResourceTest, CreateWithBothResourcesOnDisk) {
+  ScopedTempDir temp;
+  ASSERT_TRUE(temp.CreateUniqueTempDir());
+
+  const char* filename = "res.ico";
+  FilePath root_resource = temp.path().AppendASCII(filename);
+  std::string data = "some foo";
+  ASSERT_TRUE(file_util::WriteFile(root_resource.AppendASCII(filename),
+      data.c_str(), data.length()));
+
+  FilePath l10n_path = temp.path().AppendASCII(Extension::kLocaleFolder);
+  ASSERT_TRUE(file_util::CreateDirectory(l10n_path));
+
+  static std::string current_locale = l10n_util::GetApplicationLocale(L"");
+  std::replace(current_locale.begin(), current_locale.end(), '-', '_');
+  l10n_path = l10n_path.AppendASCII(current_locale);
+  ASSERT_TRUE(file_util::CreateDirectory(l10n_path));
+
+  ASSERT_TRUE(file_util::WriteFile(l10n_path.AppendASCII(filename),
+      data.c_str(), data.length()));
+
+  FilePath path;
+  ExtensionResource resource(temp.path(), FilePath().AppendASCII(filename));
+  FilePath resolved_path = resource.GetFilePath();
+
+  EXPECT_TRUE(l10n_path.AppendASCII(filename) == resolved_path);
+  EXPECT_TRUE(temp.path() == resource.extension_root());
+  EXPECT_TRUE(FilePath().AppendASCII(filename) == resource.relative_path());
+}