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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/extension_browsertest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/sessions/content/session_tab_helper.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "extensions/browser/background_script_executor.h"
#include "extensions/browser/script_executor.h"
namespace {
class PerformanceTimelineBrowserTest : public extensions::ExtensionBrowserTest {
protected:
content::WebContents* web_contents() const {
return browser()->tab_strip_model()->GetActiveWebContents();
}
void LoadScript(const extensions::Extension* extension) {
std::string script_code = content::JsReplace(
R"(
(async () => {
await new Promise( resolve => {
const script = document.createElement('script');
script.addEventListener('load', resolve);
document.body.appendChild(script);
script.src = $1;
});
})();
)",
extension->GetResourceURL("content_script.js").spec());
EXPECT_EQ(content::EvalJs(web_contents(), script_code).error, "");
}
int GetActiveTabId() {
auto* active_tab = browser()->tab_strip_model()->GetActiveWebContents();
return sessions::SessionTabHelper::IdForTab(active_tab).id();
}
};
} // namespace
// Fetched resources that are initiated from the IsolatedWorld should have NO
// resource timing entry emitted.
IN_PROC_BROWSER_TEST_F(PerformanceTimelineBrowserTest,
ResouceTiming_IsolatedWorld) {
ASSERT_TRUE(embedded_test_server()->Start());
const extensions::Extension* extension = LoadExtension(
test_data_dir_.AppendASCII("resource_timing/fetch_resource"));
ASSERT_TRUE(extension);
GURL test_url = embedded_test_server()->GetURL(
"/extensions/resource_timing/test-page.html");
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), test_url));
// fetch resource from extension.
content::DOMMessageQueue message_queue;
EXPECT_TRUE(content::ExecJs(
web_contents(),
"document.querySelector('#fetchResourceButton').click();"));
std::string ack;
EXPECT_TRUE(message_queue.WaitForMessage(&ack));
EXPECT_EQ("true", ack);
// There should be 0 resource entry emitted.
EXPECT_EQ(content::EvalJs(web_contents(), "getResourceTimingEntryCount();")
.ExtractInt(),
0);
}
// Fetched resources that are initiated from the MainWorld should have one
// resource timing entry emitted.
IN_PROC_BROWSER_TEST_F(PerformanceTimelineBrowserTest,
ResouceTiming_MainWorld) {
ASSERT_TRUE(embedded_test_server()->Start());
const extensions::Extension* extension = LoadExtension(
test_data_dir_.AppendASCII("resource_timing/fetch_resource"));
ASSERT_TRUE(extension);
GURL test_url = embedded_test_server()->GetURL(
"/extensions/resource_timing/test-page.html");
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), test_url));
// Add script to DOM as a script tag element.
LoadScript(extension);
// Execute added script which is to fetch resource;
EXPECT_EQ(
content::EvalJs(web_contents(), "(async ()=>{await fetchResource();})()")
.error,
"");
// There should be 1 resource entry emitted.
EXPECT_EQ(
content::EvalJs(
web_contents(),
"(async ()=>{return await getResourceTimingEntryCountAsync();})()")
.ExtractInt(),
1);
}
// The fetchResource function is injected by the extension and executed. The csp
// world in this case is the Isolated world. No resource timing entry is
// emitted.
IN_PROC_BROWSER_TEST_F(PerformanceTimelineBrowserTest,
ResouceTiming_FetchWithInjectedCode) {
ASSERT_TRUE(embedded_test_server()->Start());
const extensions::Extension* extension = LoadExtension(
test_data_dir_.AppendASCII("resource_timing/fetch_resource"));
ASSERT_TRUE(extension);
GURL test_url = embedded_test_server()->GetURL(
"/extensions/resource_timing/test-page.html");
ASSERT_TRUE(ui_test_utils::NavigateToURL(browser(), test_url));
// Fetch resource by injecting fetchResource function into tab and execute.
const int tab_id = GetActiveTabId();
std::string script =
R"((async () => {
let result = await chrome.scripting.executeScript(
{
target: {tabId: $1},
func: fetchResource
});
chrome.test.sendScriptResult(result[0].result);
})())";
script = content::JsReplace(script, tab_id);
base::Value result = extensions::BackgroundScriptExecutor::ExecuteScript(
profile(), extension->id(), script,
extensions::BackgroundScriptExecutor::ResultCapture::kSendScriptResult);
ASSERT_TRUE(result.is_bool());
EXPECT_TRUE(result.GetBool());
// There should be 0 resource entry emitted.
EXPECT_EQ(content::EvalJs(web_contents(), "getResourceTimingEntryCount();")
.ExtractInt(),
0);
}
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