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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 CHROME_TEST_BASE_WEB_UI_BROWSER_TEST_H_
#define CHROME_TEST_BASE_WEB_UI_BROWSER_TEST_H_
#include <string>
#include <vector>
#include "base/files/file_path.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/javascript_browser_test.h"
namespace base {
class Value;
}
namespace content {
class RenderViewHost;
class WebUI;
class WebUIMessageHandler;
}
class TestChromeWebUIControllerFactory;
class WebUITestHandler;
// This macro simplifies the declaration of simple javascript unit tests.
// Use:
// WEB_UI_UNITTEST_F(MyWebUIPageTest, myJavascriptUnittest);
#define WEB_UI_UNITTEST_F(x, y) \
IN_PROC_BROWSER_TEST_F(x, y) { ASSERT_TRUE(RunJavascriptTest(#y)); }
// The runner of WebUI javascript based tests.
// See chrome/test/data/webui/test_api.js for the javascript side test API's.
//
// These tests should follow the form given in:
// chrome/test/data/webui/sample_downloads.js.
// and the lone test within this class.
class WebUIBrowserTest : public JavaScriptBrowserTest {
public:
virtual ~WebUIBrowserTest();
// Runs a javascript function in the context of all libraries.
// Note that calls to functions in test_api.js are not supported.
// Takes ownership of Value* arguments.
bool RunJavascriptFunction(const std::string& function_name);
bool RunJavascriptFunction(const std::string& function_name,
base::Value* arg);
bool RunJavascriptFunction(const std::string& function_name,
base::Value* arg1,
base::Value* arg2);
bool RunJavascriptFunction(const std::string& function_name,
const ConstValueVector& function_arguments);
// Runs a test fixture that may include calls to functions in test_api.js.
bool RunJavascriptTestF(bool is_async,
const std::string& test_fixture,
const std::string& test_name);
// Runs a test that may include calls to functions in test_api.js.
// Takes ownership of Value* arguments.
bool RunJavascriptTest(const std::string& test_name);
bool RunJavascriptTest(const std::string& test_name, base::Value* arg);
bool RunJavascriptTest(const std::string& test_name,
base::Value* arg1,
base::Value* arg2);
bool RunJavascriptTest(const std::string& test_name,
const ConstValueVector& test_arguments);
// Runs a test that may include calls to functions in test_api.js, and waits
// for call to testDone(). Takes ownership of Value* arguments.
bool RunJavascriptAsyncTest(const std::string& test_name);
bool RunJavascriptAsyncTest(const std::string& test_name, base::Value* arg);
bool RunJavascriptAsyncTest(const std::string& test_name,
base::Value* arg1,
base::Value* arg2);
bool RunJavascriptAsyncTest(const std::string& test_name,
base::Value* arg1,
base::Value* arg2,
base::Value* arg3);
bool RunJavascriptAsyncTest(const std::string& test_name,
const ConstValueVector& test_arguments);
// Sends message through |preload_host| to preload javascript libraries and
// sets the |libraries_preloaded| flag to prevent re-loading at next
// javascript invocation.
void PreLoadJavascriptLibraries(const std::string& preload_test_fixture,
const std::string& preload_test_name,
content::RenderViewHost* preload_host);
// Called by javascript-generated test bodies to browse to a page and preload
// the javascript for the given |preload_test_fixture| and
// |preload_test_name|. chrome.send will be overridden to allow javascript
// handler mocking.
void BrowsePreload(const GURL& browse_to);
// Called by javascript-generated test bodies to browse to a page and preload
// the javascript for the given |preload_test_fixture| and
// |preload_test_name|. chrome.send will be overridden to allow javascript
// handler mocking.
void BrowsePrintPreload(const GURL& browse_to);
protected:
// URL to dummy WebUI page for testing framework.
static const char kDummyURL[];
WebUIBrowserTest();
// Accessors for preload test fixture and name.
void set_preload_test_fixture(const std::string& preload_test_fixture);
void set_preload_test_name(const std::string& preload_test_name);
// Set up & tear down console error catching.
virtual void SetUpOnMainThread() OVERRIDE;
virtual void TearDownOnMainThread() OVERRIDE;
// Set a WebUI instance to run tests on.
void SetWebUIInstance(content::WebUI* web_ui);
// Returns a mock WebUI object under test (if any).
virtual content::WebUIMessageHandler* GetMockMessageHandler();
// Returns a file:// GURL constructed from |path| inside the test data dir for
// webui tests.
static GURL WebUITestDataPathToURL(const base::FilePath::StringType& path);
private:
// Loads all libraries added with AddLibrary(), and calls |function_name| with
// |function_arguments|. When |is_test| is true, the framework wraps
// |function_name| with a test helper function, which waits for completion,
// logging an error message on failure, otherwise |function_name| is called
// asynchronously. When |preload_host| is non-NULL, sends the javascript to
// the RenderView for evaluation at the appropriate time before the onload
// call is made. Passes |is_async| along to runTest wrapper.
bool RunJavascriptUsingHandler(const std::string& function_name,
const ConstValueVector& function_arguments,
bool is_test,
bool is_async,
content::RenderViewHost* preload_host);
// Attaches mock and test handlers.
void SetupHandlers();
// Handles test framework messages.
scoped_ptr<WebUITestHandler> test_handler_;
// Indicates that the libraries have been pre-loaded and to not load them
// again.
bool libraries_preloaded_;
// Saves the states of |test_fixture| and |test_name| for calling
// PreloadJavascriptLibraries().
std::string preload_test_fixture_;
std::string preload_test_name_;
// When this is non-NULL, this is The WebUI instance used for testing.
// Otherwise the selected tab's web_ui is used.
content::WebUI* override_selected_web_ui_;
scoped_ptr<TestChromeWebUIControllerFactory> test_factory_;
};
#endif // CHROME_TEST_BASE_WEB_UI_BROWSER_TEST_H_
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