chromium/content/browser/back_forward_cache_not_restored_reasons_browsertest.cc

// 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 <optional>

#include "content/browser/back_forward_cache_browsertest.h"
#include "content/browser/back_forward_cache_test_util.h"
#include "content/browser/renderer_host/navigation_request.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/common/content_navigation_policy.h"
#include "content/public/browser/site_isolation_policy.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/shell/browser/shell.h"
#include "third_party/blink/public/common/features.h"
#include "third_party/blink/public/mojom/back_forward_cache_not_restored_reasons.mojom-blink.h"

namespace content {
NotRestoredReason;
NotRestoredReasons;

// Exists to group the tests and for test history.
class BackForwardCacheBrowserTestWithNotRestoredReasons
    : public BackForwardCacheBrowserTest { … };

// NotRestoredReasons are not reported when the page is successfully restored
// from back/forward cache.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       NotReportedWhenRestored) { … }

// NotRestoredReasons are reset after each navigation.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       ReasonsResetForEachNavigation) { … }

// Frame attributes are reported for all the frames that are reachable from
// same-origin documents. Also test that the details for cross-origin subtree
// are masked.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       FrameAttributesAreReportedIfSameOrigin) { … }

// All the blocking reasons should be reported including subframes'.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       AllBlockingFramesAreReported) { … }

// NotRestoredReasons are not reported for same document navigation.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       NotReportedForSameDocumentNavigation) { … }

// NotRestoredReasons are not reported for subframe navigation.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       SubframeNavigationDoesNotRecordMetrics) { … }

IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       WindowOpen) { … }

// Test when a server redirect happens on history navigation, causing a
// SiteInstance change and a new navigation entry. Ensure that the reasons from
// the old entry are copied to the new one and reported internally, but not to
// the API.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       ServerRedirect) { … }

// Test that after reload, NotRestoredReasons are reset.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       Reload) { … }

// Frame attributes are reported as null when they are not set.
IN_PROC_BROWSER_TEST_F(BackForwardCacheBrowserTestWithNotRestoredReasons,
                       IframesWithoutAttributes) { … }

class BackForwardCacheBrowserTestWithNotRestoredReasonsProactiveSwapOptOut
    : public BackForwardCacheBrowserTestWithNotRestoredReasons { … };

IN_PROC_BROWSER_TEST_F(
    BackForwardCacheBrowserTestWithNotRestoredReasonsProactiveSwapOptOut,
    NavigateWithRelOpener) { … }

class BackForwardCacheBrowserTestWithNotRestoredReasonsMaskCrossOrigin
    : public BackForwardCacheBrowserTest { … };

// NotRestoredReasons are masked for all the cross origin iframes.
IN_PROC_BROWSER_TEST_F(
    BackForwardCacheBrowserTestWithNotRestoredReasonsMaskCrossOrigin,
    AllCrossOriginMasked) { … }

}  // namespace content