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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.
#include "base/file_util.h"
#include "base/files/file_path.h"
#include "base/path_service.h"
#include "base/values.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_test_message_listener.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/event_router.h"
#include "extensions/common/api/test.h"
#include "extensions/common/extension.h"
#include "extensions/common/feature_switch.h"
#include "extensions/common/switches.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace OnMessage = core_api::test::OnMessage;
namespace {
void FindFrame(const GURL& url,
content::RenderFrameHost** out,
content::RenderFrameHost* frame) {
if (frame->GetLastCommittedURL() == url) {
if (*out != NULL) {
ADD_FAILURE() << "Found multiple frames at " << url;
}
*out = frame;
}
}
// Tests running extension APIs on WebUI.
class ExtensionWebUITest : public ExtensionApiTest {
protected:
testing::AssertionResult RunTest(const char* name,
const GURL& page_url,
const GURL& frame_url,
bool expected_result) {
// Tests are located in chrome/test/data/extensions/webui/$(name).
base::FilePath path;
PathService::Get(chrome::DIR_TEST_DATA, &path);
path =
path.AppendASCII("extensions").AppendASCII("webui").AppendASCII(name);
// Read the test.
if (!base::PathExists(path))
return testing::AssertionFailure() << "Couldn't find " << path.value();
std::string script;
base::ReadFileToString(path, &script);
script = "(function(){'use strict';" + script + "}());";
// Run the test.
bool actual_result = false;
content::RenderFrameHost* webui = NavigateToWebUI(page_url, frame_url);
if (!webui)
return testing::AssertionFailure() << "Failed to navigate to WebUI";
CHECK(content::ExecuteScriptAndExtractBool(webui, script, &actual_result));
return (expected_result == actual_result)
? testing::AssertionSuccess()
: (testing::AssertionFailure() << "Check console output");
}
testing::AssertionResult RunTestOnExtensions(const char* name) {
// In the current design the URL of the chrome://extensions page it's
// actually chrome://extensions-frame/ -- and it's important we find it,
// because the top-level frame doesn't execute any code, so a script
// context is never created, so the bindings are never set up, and
// apparently the call to ExecuteScriptAndExtractString doesn't adequately
// set them up either.
return RunTest(name,
GURL("chrome://extensions"),
GURL("chrome://extensions-frame"),
true); // tests on chrome://extensions should succeed
}
testing::AssertionResult RunTestOnAbout(const char* name) {
// chrome://about is an innocuous page that doesn't have any bindings.
// Tests should fail.
return RunTest(name,
GURL("chrome://about"),
GURL("chrome://about"),
false); // tests on chrome://about should fail
}
private:
// Navigates the browser to a WebUI page and returns the RenderFrameHost for
// that page.
content::RenderFrameHost* NavigateToWebUI(const GURL& page_url,
const GURL& frame_url) {
ui_test_utils::NavigateToURL(browser(), page_url);
content::WebContents* active_web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
if (active_web_contents->GetLastCommittedURL() == frame_url)
return active_web_contents->GetMainFrame();
content::RenderFrameHost* frame_host = NULL;
active_web_contents->ForEachFrame(
base::Bind(&FindFrame, frame_url, &frame_host));
return frame_host;
}
virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
FeatureSwitch::ScopedOverride enable_options(
FeatureSwitch::embedded_extension_options(), true);
// Need to add a command line flag as well as a FeatureSwitch because the
// FeatureSwitch is not copied over to the renderer process from the
// browser process.
command_line->AppendSwitch(switches::kEnableEmbeddedExtensionOptions);
ExtensionApiTest::SetUpCommandLine(command_line);
}
scoped_ptr<FeatureSwitch::ScopedOverride> enable_options_;
};
IN_PROC_BROWSER_TEST_F(ExtensionWebUITest, SanityCheckAvailableAPIs) {
ASSERT_TRUE(RunTestOnExtensions("sanity_check_available_apis.js"));
}
IN_PROC_BROWSER_TEST_F(ExtensionWebUITest, SanityCheckUnavailableAPIs) {
ASSERT_TRUE(RunTestOnAbout("sanity_check_available_apis.js"));
}
// Tests chrome.test.sendMessage, which exercises WebUI making a
// function call and receiving a response.
IN_PROC_BROWSER_TEST_F(ExtensionWebUITest, SendMessage) {
scoped_ptr<ExtensionTestMessageListener> listener(
new ExtensionTestMessageListener("ping", true));
ASSERT_TRUE(RunTestOnExtensions("send_message.js"));
ASSERT_TRUE(listener->WaitUntilSatisfied());
listener->Reply("pong");
listener.reset(new ExtensionTestMessageListener(false));
ASSERT_TRUE(listener->WaitUntilSatisfied());
EXPECT_EQ("true", listener->message());
}
// Tests chrome.runtime.onMessage, which exercises WebUI registering and
// receiving an event.
IN_PROC_BROWSER_TEST_F(ExtensionWebUITest, OnMessage) {
ASSERT_TRUE(RunTestOnExtensions("on_message.js"));
OnMessage::Info info;
info.data = "hi";
info.last_message = true;
EventRouter::Get(profile())->BroadcastEvent(make_scoped_ptr(
new Event(OnMessage::kEventName, OnMessage::Create(info))));
scoped_ptr<ExtensionTestMessageListener> listener(
new ExtensionTestMessageListener(false));
ASSERT_TRUE(listener->WaitUntilSatisfied());
EXPECT_EQ("true", listener->message());
}
// Tests chrome.runtime.lastError, which exercises WebUI accessing a property
// on an API which it doesn't actually have access to. A bindings test really.
IN_PROC_BROWSER_TEST_F(ExtensionWebUITest, RuntimeLastError) {
scoped_ptr<ExtensionTestMessageListener> listener(
new ExtensionTestMessageListener("ping", true));
ASSERT_TRUE(RunTestOnExtensions("runtime_last_error.js"));
ASSERT_TRUE(listener->WaitUntilSatisfied());
listener->ReplyWithError("unknown host");
listener.reset(new ExtensionTestMessageListener(false));
ASSERT_TRUE(listener->WaitUntilSatisfied());
EXPECT_EQ("true", listener->message());
}
IN_PROC_BROWSER_TEST_F(ExtensionWebUITest, CanEmbedExtensionOptions) {
scoped_ptr<ExtensionTestMessageListener> listener(
new ExtensionTestMessageListener("ready", true));
const Extension* extension = InstallExtension(
test_data_dir_.AppendASCII("extension_options").AppendASCII("embed_self"),
1);
ASSERT_TRUE(extension);
ASSERT_TRUE(RunTestOnExtensions("can_embed_extension_options.js"));
ASSERT_TRUE(listener->WaitUntilSatisfied());
listener->Reply(extension->id());
listener.reset(new ExtensionTestMessageListener("guest loaded", false));
ASSERT_TRUE(listener->WaitUntilSatisfied());
}
} // namespace
} // namespace extensions
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