blob: 29fad8fa5aa7285fc66d58454b3be8d38db67766 [file] [log] [blame]
// Copyright 2015 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/bind_helpers.h"
#include "base/strings/stringprintf.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/version_info/version_info.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/page_type.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/process_manager.h"
#include "extensions/test/background_page_watcher.h"
#include "extensions/test/extension_test_message_listener.h"
namespace extensions {
namespace {
// Pass into ServiceWorkerTest::StartTestFromBackgroundPage to indicate that
// registration is expected to succeed.
std::string* const kExpectSuccess = nullptr;
void DoNothingWithBool(bool b) {}
} // namespace
class ServiceWorkerTest : public ExtensionApiTest {
public:
ServiceWorkerTest() : current_channel_(version_info::Channel::UNKNOWN) {}
~ServiceWorkerTest() override {}
protected:
// Returns the ProcessManager for the test's profile.
ProcessManager* process_manager() { return ProcessManager::Get(profile()); }
// Starts running a test from the background page test extension.
//
// This registers a service worker with |script_name|, and fetches the
// registration result.
//
// If |error_or_null| is null (kExpectSuccess), success is expected and this
// will fail if there is an error.
// If |error_or_null| is not null, nothing is assumed, and the error (which
// may be empty) is written to it.
const Extension* StartTestFromBackgroundPage(const char* script_name,
std::string* error_or_null) {
const Extension* extension =
LoadExtension(test_data_dir_.AppendASCII("service_worker/background"));
CHECK(extension);
ExtensionHost* background_host =
process_manager()->GetBackgroundHostForExtension(extension->id());
CHECK(background_host);
std::string error;
CHECK(content::ExecuteScriptAndExtractString(
background_host->host_contents(),
base::StringPrintf("test.registerServiceWorker('%s')", script_name),
&error));
if (error_or_null)
*error_or_null = error;
else if (!error.empty())
ADD_FAILURE() << "Got unexpected error " << error;
return extension;
}
// Navigates the browser to a new tab at |url|, waits for it to load, then
// returns it.
content::WebContents* Navigate(const GURL& url) {
ui_test_utils::NavigateToURLWithDisposition(
browser(), url, NEW_FOREGROUND_TAB,
ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
content::WebContents* web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
content::WaitForLoadStop(web_contents);
return web_contents;
}
// Navigates the browser to |url| and returns the new tab's page type.
content::PageType NavigateAndGetPageType(const GURL& url) {
return Navigate(url)->GetController().GetActiveEntry()->GetPageType();
}
// Extracts the innerText from |contents|.
std::string ExtractInnerText(content::WebContents* contents) {
std::string inner_text;
if (!content::ExecuteScriptAndExtractString(
contents,
"window.domAutomationController.send(document.body.innerText)",
&inner_text)) {
ADD_FAILURE() << "Failed to get inner text for "
<< contents->GetVisibleURL();
}
return inner_text;
}
// Navigates the browser to |url|, then returns the innerText of the new
// tab's WebContents' main frame.
std::string NavigateAndExtractInnerText(const GURL& url) {
return ExtractInnerText(Navigate(url));
}
private:
// Sets the channel to "trunk" since service workers are restricted to trunk.
ScopedCurrentChannel current_channel_;
DISALLOW_COPY_AND_ASSIGN(ServiceWorkerTest);
};
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, RegisterSucceedsOnTrunk) {
StartTestFromBackgroundPage("register.js", kExpectSuccess);
}
// This feature is restricted to trunk, so on dev it should have existing
// behavior - which is for it to fail.
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, RegisterFailsOnDev) {
ScopedCurrentChannel current_channel_override(
version_info::Channel::DEV);
std::string error;
const Extension* extension =
StartTestFromBackgroundPage("register.js", &error);
EXPECT_EQ(
"Failed to register a ServiceWorker: The URL protocol of the current "
"origin ('chrome-extension://" +
extension->id() + "') is not supported.",
error);
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, FetchArbitraryPaths) {
const Extension* extension =
StartTestFromBackgroundPage("fetch.js", kExpectSuccess);
// Open some arbirary paths. Their contents should be what the service worker
// responds with, which in this case is the path of the fetch.
EXPECT_EQ(
"Caught a fetch for /index.html",
NavigateAndExtractInnerText(extension->GetResourceURL("index.html")));
EXPECT_EQ("Caught a fetch for /path/to/other.html",
NavigateAndExtractInnerText(
extension->GetResourceURL("path/to/other.html")));
EXPECT_EQ("Caught a fetch for /some/text/file.txt",
NavigateAndExtractInnerText(
extension->GetResourceURL("some/text/file.txt")));
EXPECT_EQ("Caught a fetch for /no/file/extension",
NavigateAndExtractInnerText(
extension->GetResourceURL("no/file/extension")));
EXPECT_EQ("Caught a fetch for /",
NavigateAndExtractInnerText(extension->GetResourceURL("")));
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
LoadingBackgroundPageBypassesServiceWorker) {
const Extension* extension =
StartTestFromBackgroundPage("fetch.js", kExpectSuccess);
std::string kExpectedInnerText = "background.html contents for testing.";
// Sanity check that the background page has the expected content.
ExtensionHost* background_page =
process_manager()->GetBackgroundHostForExtension(extension->id());
ASSERT_TRUE(background_page);
EXPECT_EQ(kExpectedInnerText,
ExtractInnerText(background_page->host_contents()));
// Close the background page.
background_page->Close();
BackgroundPageWatcher(process_manager(), extension).WaitForClose();
background_page = nullptr;
// Start it again.
process_manager()->WakeEventPage(extension->id(),
base::Bind(&DoNothingWithBool));
BackgroundPageWatcher(process_manager(), extension).WaitForOpen();
// Content should not have been affected by the fetch, which would otherwise
// be "Caught fetch for...".
background_page =
process_manager()->GetBackgroundHostForExtension(extension->id());
ASSERT_TRUE(background_page);
content::WaitForLoadStop(background_page->host_contents());
// TODO(kalman): Everything you've read has been a LIE! It should be:
//
// EXPECT_EQ(kExpectedInnerText,
// ExtractInnerText(background_page->host_contents()));
//
// but there is a bug, and we're actually *not* bypassing the service worker
// for background page loads! For now, let it pass (assert wrong behavior)
// because it's not a regression, but this must be fixed eventually.
//
// Tracked in crbug.com/532720.
EXPECT_EQ("Caught a fetch for /background.html",
ExtractInnerText(background_page->host_contents()));
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
ServiceWorkerPostsMessageToBackgroundClient) {
const Extension* extension = StartTestFromBackgroundPage(
"post_message_to_background_client.js", kExpectSuccess);
// The service worker in this test simply posts a message to the background
// client it receives from getBackgroundClient().
const char* kScript =
"var messagePromise = null;\n"
"if (test.lastMessageFromServiceWorker) {\n"
" messagePromise = Promise.resolve(test.lastMessageFromServiceWorker);\n"
"} else {\n"
" messagePromise = test.waitForMessage(navigator.serviceWorker);\n"
"}\n"
"messagePromise.then(function(message) {\n"
" window.domAutomationController.send(String(message == 'success'));\n"
"})\n";
EXPECT_EQ("true", ExecuteScriptInBackgroundPage(extension->id(), kScript));
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
BackgroundPagePostsMessageToServiceWorker) {
const Extension* extension =
StartTestFromBackgroundPage("post_message_to_sw.js", kExpectSuccess);
// The service worker in this test waits for a message, then echoes it back
// by posting a message to the background page via getBackgroundClient().
const char* kScript =
"var mc = new MessageChannel();\n"
"test.waitForMessage(mc.port1).then(function(message) {\n"
" window.domAutomationController.send(String(message == 'hello'));\n"
"});\n"
"test.registeredServiceWorker.postMessage(\n"
" {message: 'hello', port: mc.port2}, [mc.port2])\n";
EXPECT_EQ("true", ExecuteScriptInBackgroundPage(extension->id(), kScript));
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
ServiceWorkerSuspensionOnExtensionUnload) {
// For this test, only hold onto the extension's ID and URL + a function to
// get a resource URL, because we're going to be disabling and uninstalling
// it, which will invalidate the pointer.
std::string extension_id;
GURL extension_url;
{
const Extension* extension =
StartTestFromBackgroundPage("fetch.js", kExpectSuccess);
extension_id = extension->id();
extension_url = extension->url();
}
auto get_resource_url = [&extension_url](const std::string& path) {
return Extension::GetResourceURL(extension_url, path);
};
// Fetch should route to the service worker.
EXPECT_EQ("Caught a fetch for /index.html",
NavigateAndExtractInnerText(get_resource_url("index.html")));
// Disable the extension. Opening the page should fail.
extension_service()->DisableExtension(extension_id,
Extension::DISABLE_USER_ACTION);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(content::PAGE_TYPE_ERROR,
NavigateAndGetPageType(get_resource_url("index.html")));
EXPECT_EQ(content::PAGE_TYPE_ERROR,
NavigateAndGetPageType(get_resource_url("other.html")));
// Re-enable the extension. Opening pages should immediately start to succeed
// again.
extension_service()->EnableExtension(extension_id);
base::RunLoop().RunUntilIdle();
EXPECT_EQ("Caught a fetch for /index.html",
NavigateAndExtractInnerText(get_resource_url("index.html")));
EXPECT_EQ("Caught a fetch for /other.html",
NavigateAndExtractInnerText(get_resource_url("other.html")));
EXPECT_EQ("Caught a fetch for /another.html",
NavigateAndExtractInnerText(get_resource_url("another.html")));
// Uninstall the extension. Opening pages should fail again.
base::string16 error;
extension_service()->UninstallExtension(
extension_id, UninstallReason::UNINSTALL_REASON_FOR_TESTING,
base::Bind(&base::DoNothing), &error);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(content::PAGE_TYPE_ERROR,
NavigateAndGetPageType(get_resource_url("index.html")));
EXPECT_EQ(content::PAGE_TYPE_ERROR,
NavigateAndGetPageType(get_resource_url("other.html")));
EXPECT_EQ(content::PAGE_TYPE_ERROR,
NavigateAndGetPageType(get_resource_url("anotherother.html")));
EXPECT_EQ(content::PAGE_TYPE_ERROR,
NavigateAndGetPageType(get_resource_url("final.html")));
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, BackgroundPageIsWokenIfAsleep) {
const Extension* extension =
StartTestFromBackgroundPage("wake_on_fetch.js", kExpectSuccess);
// Navigate to special URLs that this test's service worker recognises, each
// making a check then populating the response with either "true" or "false".
EXPECT_EQ("true", NavigateAndExtractInnerText(extension->GetResourceURL(
"background-client-is-awake")));
EXPECT_EQ("true", NavigateAndExtractInnerText(
extension->GetResourceURL("ping-background-client")));
// Ping more than once for good measure.
EXPECT_EQ("true", NavigateAndExtractInnerText(
extension->GetResourceURL("ping-background-client")));
// Shut down the event page. The SW should detect that it's closed, but still
// be able to ping it.
ExtensionHost* background_page =
process_manager()->GetBackgroundHostForExtension(extension->id());
ASSERT_TRUE(background_page);
background_page->Close();
BackgroundPageWatcher(process_manager(), extension).WaitForClose();
EXPECT_EQ("false", NavigateAndExtractInnerText(extension->GetResourceURL(
"background-client-is-awake")));
EXPECT_EQ("true", NavigateAndExtractInnerText(
extension->GetResourceURL("ping-background-client")));
EXPECT_EQ("true", NavigateAndExtractInnerText(
extension->GetResourceURL("ping-background-client")));
EXPECT_EQ("true", NavigateAndExtractInnerText(extension->GetResourceURL(
"background-client-is-awake")));
}
IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
GetBackgroundClientFailsWithNoBackgroundPage) {
// This extension doesn't have a background page, only a tab at page.html.
// The service worker it registers tries to call getBackgroundClient() and
// should fail.
// Note that this also tests that service workers can be registered from tabs.
EXPECT_TRUE(RunExtensionSubtest("service_worker/no_background", "page.html"));
}
} // namespace extensions