Move ImageLoaderTest to extensions_unittests

chrome/browser/extensions/chrome_component_extension_resource_manager_unittest.cc

+// Copyright 2014 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 "base/files/file_path.h"
+#include "base/path_service.h"
+#include "chrome/common/chrome_paths.h"
+#include "extensions/browser/component_extension_resource_manager.h"
+#include "extensions/browser/extensions_browser_client.h"
+#include "extensions/common/constants.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/extension_icon_set.h"
+#include "extensions/common/extension_resource.h"
+#include "extensions/common/file_util.h"
+#include "extensions/common/manifest.h"
+#include "extensions/common/manifest_handlers/icons_handler.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+#if defined(OS_CHROMEOS)
+#include "ui/file_manager/grit/file_manager_resources.h"
+#endif
+
+namespace extensions {
+
+typedef testing::Test ChromeComponentExtensionResourceManagerTest;
+
+// Tests IsComponentExtensionResource function.
+TEST_F(ChromeComponentExtensionResourceManagerTest,
+       IsComponentExtensionResource) {
+  ComponentExtensionResourceManager* resource_manager =
+      ExtensionsBrowserClient::Get()->GetComponentExtensionResourceManager();
+  ASSERT_TRUE(resource_manager);
+
+  // Get the extension test data path.
+  base::FilePath test_path;
+  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_path));
+  test_path = test_path.AppendASCII("extensions").AppendASCII("file_manager");
+
+  // Load the manifest data.
+  std::string error;
+  scoped_ptr<base::DictionaryValue> manifest(file_util::LoadManifest(
+      test_path, FILE_PATH_LITERAL("app.json"), &error));

[Yoyo Zhou, 2014/08/04 21:15:01]

If this isn't called manifest.json, I will wonder "is something special going
on?" As it turns out, no. So I would just call it manifest.json.

[James Cook, 2014/08/04 21:24:47]

OK. This is existing test data in chrome/test/data/extensions. I will rename the
file.

+  ASSERT_TRUE(manifest.get()) << error;
+
+  // Build a path inside Chrome's resources directory where a component
+  // extension might be installed.
+  base::FilePath resources_path;
+  ASSERT_TRUE(PathService::Get(chrome::DIR_RESOURCES, &resources_path));
+  resources_path = resources_path.AppendASCII("file_manager");
+
+  // Create a simulated component extension.
+  scoped_refptr<Extension> extension = Extension::Create(resources_path,
+                                                         Manifest::COMPONENT,
+                                                         *manifest,
+                                                         Extension::NO_FLAGS,
+                                                         &error);
+  ASSERT_TRUE(extension.get());
+
+  // Load one of the icons.
+  ExtensionResource resource =
+      IconsInfo::GetIconResource(extension.get(),
+                                 extension_misc::EXTENSION_ICON_BITTY,
+                                 ExtensionIconSet::MATCH_EXACTLY);
+
+#if defined(OS_CHROMEOS)
+  // The resource is a component resource.
+  int resource_id = 0;
+  ASSERT_TRUE(resource_manager->IsComponentExtensionResource(
+      extension->path(), resource.relative_path(), &resource_id));
+  ASSERT_EQ(IDR_FILE_MANAGER_ICON_16, resource_id);
+#endif
+}
+
+}  // namespace extensions