diff options
Diffstat (limited to 'uriloader/preload/gtest/TestFetchPreloader.cpp')
| -rw-r--r-- | uriloader/preload/gtest/TestFetchPreloader.cpp | 954 |
1 files changed, 954 insertions, 0 deletions
diff --git a/uriloader/preload/gtest/TestFetchPreloader.cpp b/uriloader/preload/gtest/TestFetchPreloader.cpp new file mode 100644 index 0000000000..9f0614f84a --- /dev/null +++ b/uriloader/preload/gtest/TestFetchPreloader.cpp @@ -0,0 +1,954 @@ +#include "gtest/gtest.h" + +#include "mozilla/CORSMode.h" +#include "mozilla/dom/XMLDocument.h" +#include "mozilla/dom/ReferrerPolicyBinding.h" +#include "mozilla/FetchPreloader.h" +#include "mozilla/gtest/MozAssertions.h" +#include "mozilla/Maybe.h" +#include "mozilla/PreloadHashKey.h" +#include "mozilla/SpinEventLoopUntil.h" +#include "nsNetUtil.h" +#include "nsIChannel.h" +#include "nsIStreamListener.h" +#include "nsISupportsPriority.h" +#include "nsThreadUtils.h" +#include "nsStringStream.h" + +namespace { + +auto const ERROR_CANCEL = NS_ERROR_ABORT; +auto const ERROR_ONSTOP = NS_ERROR_NET_INTERRUPT; +auto const ERROR_THROW = NS_ERROR_FAILURE; + +class FakeChannel : public nsIChannel { + public: + NS_DECL_ISUPPORTS + NS_DECL_NSICHANNEL + NS_DECL_NSIREQUEST + + nsresult Start() { return mListener->OnStartRequest(this); } + nsresult Data(const nsACString& aData) { + if (NS_FAILED(mStatus)) { + return mStatus; + } + nsCOMPtr<nsIInputStream> is; + NS_NewCStringInputStream(getter_AddRefs(is), aData); + return mListener->OnDataAvailable(this, is, 0, aData.Length()); + } + nsresult Stop(nsresult status) { + if (NS_SUCCEEDED(mStatus)) { + mStatus = status; + } + mListener->OnStopRequest(this, mStatus); + mListener = nullptr; + return mStatus; + } + + private: + virtual ~FakeChannel() = default; + bool mIsPending = false; + bool mCanceled = false; + nsresult mStatus = NS_OK; + nsCOMPtr<nsIStreamListener> mListener; +}; + +NS_IMPL_ISUPPORTS(FakeChannel, nsIChannel, nsIRequest) + +NS_IMETHODIMP FakeChannel::GetName(nsACString& result) { return NS_OK; } +NS_IMETHODIMP FakeChannel::IsPending(bool* result) { + *result = mIsPending; + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetStatus(nsresult* status) { + *status = mStatus; + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetCanceledReason(const nsACString& aReason) { + return SetCanceledReasonImpl(aReason); +} +NS_IMETHODIMP FakeChannel::GetCanceledReason(nsACString& aReason) { + return GetCanceledReasonImpl(aReason); +} +NS_IMETHODIMP FakeChannel::CancelWithReason(nsresult aStatus, + const nsACString& aReason) { + return CancelWithReasonImpl(aStatus, aReason); +} +NS_IMETHODIMP FakeChannel::Cancel(nsresult status) { + if (!mCanceled) { + mCanceled = true; + mStatus = status; + } + return NS_OK; +} +NS_IMETHODIMP FakeChannel::Suspend() { return NS_OK; } +NS_IMETHODIMP FakeChannel::Resume() { return NS_OK; } +NS_IMETHODIMP FakeChannel::GetLoadFlags(nsLoadFlags* aLoadFlags) { + *aLoadFlags = 0; + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetLoadFlags(nsLoadFlags aLoadFlags) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetTRRMode(nsIRequest::TRRMode* aTRRMode) { + return NS_ERROR_NOT_IMPLEMENTED; +} +NS_IMETHODIMP FakeChannel::SetTRRMode(nsIRequest::TRRMode aTRRMode) { + return NS_ERROR_NOT_IMPLEMENTED; +} +NS_IMETHODIMP FakeChannel::GetLoadGroup(nsILoadGroup** aLoadGroup) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetLoadGroup(nsILoadGroup* aLoadGroup) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetOriginalURI(nsIURI** aURI) { return NS_OK; } +NS_IMETHODIMP FakeChannel::SetOriginalURI(nsIURI* aURI) { return NS_OK; } +NS_IMETHODIMP FakeChannel::GetURI(nsIURI** aURI) { return NS_OK; } +NS_IMETHODIMP FakeChannel::GetOwner(nsISupports** aOwner) { return NS_OK; } +NS_IMETHODIMP FakeChannel::SetOwner(nsISupports* aOwner) { return NS_OK; } +NS_IMETHODIMP FakeChannel::SetLoadInfo(nsILoadInfo* aLoadInfo) { return NS_OK; } +NS_IMETHODIMP FakeChannel::GetLoadInfo(nsILoadInfo** aLoadInfo) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetIsDocument(bool* aIsDocument) { + *aIsDocument = false; + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetNotificationCallbacks( + nsIInterfaceRequestor** aCallbacks) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetNotificationCallbacks( + nsIInterfaceRequestor* aCallbacks) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetSecurityInfo( + nsITransportSecurityInfo** aSecurityInfo) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetContentType(nsACString& aContentType) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetContentType(const nsACString& aContentType) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetContentCharset(nsACString& aContentCharset) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetContentCharset( + const nsACString& aContentCharset) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetContentDisposition( + uint32_t* aContentDisposition) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetContentDisposition(uint32_t aContentDisposition) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetContentDispositionFilename( + nsAString& aContentDispositionFilename) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetContentDispositionFilename( + const nsAString& aContentDispositionFilename) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetContentDispositionHeader( + nsACString& aContentDispositionHeader) { + return NS_ERROR_NOT_AVAILABLE; +} +NS_IMETHODIMP FakeChannel::GetContentLength(int64_t* aContentLength) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::SetContentLength(int64_t aContentLength) { + return NS_OK; +} +NS_IMETHODIMP FakeChannel::GetCanceled(bool* aCanceled) { + *aCanceled = mCanceled; + return NS_OK; +} +NS_IMETHODIMP FakeChannel::Open(nsIInputStream** aStream) { + return NS_ERROR_NOT_IMPLEMENTED; +} +NS_IMETHODIMP +FakeChannel::AsyncOpen(nsIStreamListener* aListener) { + mIsPending = true; + mListener = aListener; + return NS_OK; +} + +class FakePreloader : public mozilla::FetchPreloader { + public: + explicit FakePreloader(FakeChannel* aChannel) : mDrivingChannel(aChannel) {} + + private: + RefPtr<FakeChannel> mDrivingChannel; + + virtual nsresult CreateChannel( + nsIChannel** aChannel, nsIURI* aURI, const mozilla::CORSMode aCORSMode, + const mozilla::dom::ReferrerPolicy& aReferrerPolicy, + mozilla::dom::Document* aDocument, nsILoadGroup* aLoadGroup, + nsIInterfaceRequestor* aCallbacks, uint64_t aHttpChannelId, + int32_t aSupportsPriorityValue) override { + mDrivingChannel.forget(aChannel); + return NS_OK; + } +}; + +class FakeListener : public nsIStreamListener { + NS_DECL_ISUPPORTS + NS_DECL_NSIREQUESTOBSERVER + NS_DECL_NSISTREAMLISTENER + + enum { Never, OnStart, OnData, OnStop } mCancelIn = Never; + + nsresult mOnStartResult = NS_OK; + nsresult mOnDataResult = NS_OK; + nsresult mOnStopResult = NS_OK; + + bool mOnStart = false; + nsCString mOnData; + mozilla::Maybe<nsresult> mOnStop; + + private: + virtual ~FakeListener() = default; +}; + +NS_IMPL_ISUPPORTS(FakeListener, nsIStreamListener, nsIRequestObserver) + +NS_IMETHODIMP FakeListener::OnStartRequest(nsIRequest* request) { + EXPECT_FALSE(mOnStart); + mOnStart = true; + + if (mCancelIn == OnStart) { + request->Cancel(ERROR_CANCEL); + } + + return mOnStartResult; +} +NS_IMETHODIMP FakeListener::OnDataAvailable(nsIRequest* request, + nsIInputStream* input, + uint64_t offset, uint32_t count) { + nsAutoCString data; + data.SetLength(count); + + uint32_t read; + input->Read(data.BeginWriting(), count, &read); + mOnData += data; + + if (mCancelIn == OnData) { + request->Cancel(ERROR_CANCEL); + } + + return mOnDataResult; +} +NS_IMETHODIMP FakeListener::OnStopRequest(nsIRequest* request, + nsresult status) { + EXPECT_FALSE(mOnStop); + mOnStop.emplace(status); + + if (mCancelIn == OnStop) { + request->Cancel(ERROR_CANCEL); + } + + return mOnStopResult; +} + +bool eventInProgress = true; + +void Await() { + MOZ_ALWAYS_TRUE(mozilla::SpinEventLoopUntil( + "uriloader:TestFetchPreloader:Await"_ns, [&]() { + bool yield = !eventInProgress; + eventInProgress = true; // Just for convenience + return yield; + })); +} + +// WinBase.h defines this. +#undef Yield +void Yield() { eventInProgress = false; } + +} // namespace + +// **************************************************************************** +// Test body +// **************************************************************************** + +// Caching with all good results (data + NS_OK) +TEST(TestFetchPreloader, CacheNoneBeforeConsume) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == NS_OK); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CacheStartBeforeConsume) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == NS_OK); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CachePartOfDataBeforeConsume) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == NS_OK); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CacheAllDataBeforeConsume) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + + // Request consumation of the preload... + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == NS_OK); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CacheAllBeforeConsume) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == NS_OK); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +// Get data before the channel fails +TEST(TestFetchPreloader, CacheAllBeforeConsumeWithChannelError) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_FAILED(channel->Stop(ERROR_ONSTOP)); + + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_ONSTOP); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +// Cancel the channel between caching and consuming +TEST(TestFetchPreloader, CacheAllBeforeConsumeWithChannelCancel) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + channel->Cancel(ERROR_CANCEL); + EXPECT_NS_FAILED(channel->Stop(ERROR_CANCEL)); + + RefPtr<FakeListener> listener = new FakeListener(); + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + // XXX - This is hard to solve; the data is there but we won't deliver it. + // This is a bit different case than e.g. a network error. We want to + // deliver some data in that case. Cancellation probably happens because of + // navigation or a demand to not consume the channel anyway. + EXPECT_TRUE(listener->mOnData.IsEmpty()); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_CANCEL); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +// Let the listener throw while data is already cached +TEST(TestFetchPreloader, CacheAllBeforeConsumeThrowFromOnStartRequest) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mOnStartResult = ERROR_THROW; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.IsEmpty()); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_THROW); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CacheAllBeforeConsumeThrowFromOnDataAvailable) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mOnDataResult = ERROR_THROW; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("one")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_THROW); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CacheAllBeforeConsumeThrowFromOnStopRequest) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mOnStopResult = ERROR_THROW; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("onetwothree")); + // Throwing from OnStopRequest is generally ignored. + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == NS_OK); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +// Cancel the channel in various callbacks +TEST(TestFetchPreloader, CacheAllBeforeConsumeCancelInOnStartRequest) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mCancelIn = FakeListener::OnStart; + // check that throwing from OnStartRequest doesn't affect the cancellation + // status. + listener->mOnStartResult = ERROR_THROW; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.IsEmpty()); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_CANCEL); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CacheAllBeforeConsumeCancelInOnDataAvailable) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mCancelIn = FakeListener::OnData; + // check that throwing from OnStartRequest doesn't affect the cancellation + // status. + listener->mOnDataResult = ERROR_THROW; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("one")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_CANCEL); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +// Corner cases +TEST(TestFetchPreloader, CachePartlyBeforeConsumeCancelInOnDataAvailable) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mCancelIn = FakeListener::OnData; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_NS_FAILED(channel->Data("three"_ns)); + EXPECT_NS_FAILED(channel->Stop(NS_OK)); + + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("one")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_CANCEL); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CachePartlyBeforeConsumeCancelInOnStartRequestAndRace) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + + // This has to simulate a possibiilty when stream listener notifications from + // the channel are already pending in the queue while AsyncConsume is called. + // At this moment the listener has not been notified yet. + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + })); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mCancelIn = FakeListener::OnStart; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + // Check listener's been fed properly. Expected is to NOT get any data and + // propagate the cancellation code and not being called duplicated + // OnStopRequest. + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.IsEmpty()); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_CANCEL); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CachePartlyBeforeConsumeCancelInOnDataAvailableAndRace) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + + // This has to simulate a possibiilty when stream listener notifications from + // the channel are already pending in the queue while AsyncConsume is called. + // At this moment the listener has not been notified yet. + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + })); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mCancelIn = FakeListener::OnData; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + // Check listener's been fed properly. Expected is to NOT get anything after + // the first OnData and propagate the cancellation code and not being called + // duplicated OnStopRequest. + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.EqualsLiteral("one")); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_CANCEL); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} + +TEST(TestFetchPreloader, CachePartlyBeforeConsumeThrowFromOnStartRequestAndRace) +{ + nsCOMPtr<nsIURI> uri; + NS_NewURI(getter_AddRefs(uri), "https://example.com"_ns); + auto key = mozilla::PreloadHashKey::CreateAsFetch(uri, mozilla::CORS_NONE); + + RefPtr<FakeChannel> channel = new FakeChannel(); + RefPtr<FakePreloader> preloader = new FakePreloader(channel); + RefPtr<mozilla::dom::Document> doc; + NS_NewXMLDocument(getter_AddRefs(doc), nullptr, nullptr); + + EXPECT_TRUE(NS_SUCCEEDED(preloader->OpenChannel( + key, uri, mozilla::CORS_NONE, mozilla::dom::ReferrerPolicy::_empty, doc, + 0, nsISupportsPriority::PRIORITY_NORMAL))); + + EXPECT_NS_SUCCEEDED(channel->Start()); + EXPECT_NS_SUCCEEDED(channel->Data("one"_ns)); + EXPECT_NS_SUCCEEDED(channel->Data("two"_ns)); + + // This has to simulate a possibiilty when stream listener notifications from + // the channel are already pending in the queue while AsyncConsume is called. + // At this moment the listener has not been notified yet. + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_NS_SUCCEEDED(channel->Data("three"_ns)); + EXPECT_NS_SUCCEEDED(channel->Stop(NS_OK)); + })); + + RefPtr<FakeListener> listener = new FakeListener(); + listener->mOnStartResult = ERROR_THROW; + + EXPECT_NS_SUCCEEDED(preloader->AsyncConsume(listener)); + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); + + // Check listener's been fed properly. Expected is to NOT get any data and + // propagate the throwing code and not being called duplicated OnStopRequest. + NS_DispatchToMainThread(NS_NewRunnableFunction("test", [&]() { + EXPECT_TRUE(listener->mOnStart); + EXPECT_TRUE(listener->mOnData.IsEmpty()); + EXPECT_TRUE(listener->mOnStop && *listener->mOnStop == ERROR_THROW); + + Yield(); + })); + + Await(); + + EXPECT_FALSE(NS_SUCCEEDED(preloader->AsyncConsume(listener))); +} |