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// 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.
#ifndef EXTENSIONS_BROWSER_API_UNITTEST_H_
#define EXTENSIONS_BROWSER_API_UNITTEST_H_
#include <string>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "components/pref_registry/testing_pref_service_syncable.h"
#include "extensions/browser/extensions_test.h"
namespace base {
class Value;
class DictionaryValue;
class ListValue;
}
namespace content {
class NotificationService;
class TestBrowserThreadBundle;
class WebContents;
}
class UIThreadExtensionFunction;
namespace extensions {
// Use this class to enable calling API functions in a unittest.
// By default, this class will create and load an empty unpacked |extension_|,
// which will be used in all API function calls. This extension can be
// overridden using set_extension().
// When calling RunFunction[AndReturn*], |args| should be in JSON format,
// wrapped in a list. See also RunFunction* in api_test_utils.h.
class ApiUnitTest : public ExtensionsTest {
public:
ApiUnitTest();
~ApiUnitTest() override;
content::WebContents* contents() { return contents_.get(); }
const Extension* extension() const { return extension_.get(); }
scoped_refptr<Extension> extension_ref() { return extension_; }
void set_extension(scoped_refptr<Extension> extension) {
extension_ = extension;
}
protected:
// SetUp creates and loads an empty, unpacked Extension.
void SetUp() override;
// Creates a background page for |extension_|, and sets it for the WebContents
// to be used in API calls.
// If |contents_| is already set, this does nothing.
void CreateBackgroundPage();
// Various ways of running an API function. These methods take ownership of
// |function|. |args| should be in JSON format, wrapped in a list.
// See also the RunFunction* methods in extension_function_test_utils.h.
// Return the function result as a base::Value.
scoped_ptr<base::Value> RunFunctionAndReturnValue(
UIThreadExtensionFunction* function,
const std::string& args);
// Return the function result as a base::DictionaryValue, or NULL.
// This will EXPECT-fail if the result is not a DictionaryValue.
scoped_ptr<base::DictionaryValue> RunFunctionAndReturnDictionary(
UIThreadExtensionFunction* function,
const std::string& args);
// Return the function result as a base::ListValue, or NULL.
// This will EXPECT-fail if the result is not a ListValue.
scoped_ptr<base::ListValue> RunFunctionAndReturnList(
UIThreadExtensionFunction* function,
const std::string& args);
// Return an error thrown from the function, if one exists.
// This will EXPECT-fail if any result is returned from the function.
std::string RunFunctionAndReturnError(UIThreadExtensionFunction* function,
const std::string& args);
// Run the function and ignore any result.
void RunFunction(UIThreadExtensionFunction* function,
const std::string& args);
private:
scoped_ptr<content::NotificationService> notification_service_;
scoped_ptr<content::TestBrowserThreadBundle> thread_bundle_;
user_prefs::TestingPrefServiceSyncable testing_pref_service_;
// The WebContents used to associate a RenderViewHost with API function calls,
// or null.
scoped_ptr<content::WebContents> contents_;
// The Extension used when running API function calls.
scoped_refptr<Extension> extension_;
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_API_UNITTEST_H_
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