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// Copyright 2016 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 "pdf/document_loader_impl.h"
#include <algorithm>
#include <memory>
#include <string>
#include <vector>
#include "base/logging.h"
#include "pdf/url_loader_wrapper.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/range/range.h"
using ::testing::_;
using ::testing::Mock;
using ::testing::Sequence;
using ::testing::NiceMock;
using ::testing::Return;
namespace chrome_pdf {
namespace {
constexpr uint32_t kDefaultRequestSize =
DocumentLoaderImpl::kDefaultRequestSize;
class TestURLLoader : public URLLoaderWrapper {
public:
class LoaderData {
public:
LoaderData() = default;
~LoaderData() {
// We should call callbacks to prevent memory leaks.
// The callbacks don't do anything, because the objects that created the
// callbacks have been destroyed.
if (IsWaitRead())
CallReadCallback(-1);
if (IsWaitOpen())
CallOpenCallback(-1);
}
int content_length() const { return content_length_; }
void set_content_length(int content_length) {
content_length_ = content_length;
}
bool accept_ranges_bytes() const { return accept_ranges_bytes_; }
void set_accept_ranges_bytes(bool accept_ranges_bytes) {
accept_ranges_bytes_ = accept_ranges_bytes;
}
bool content_encoded() const { return content_encoded_; }
void set_content_encoded(bool content_encoded) {
content_encoded_ = content_encoded;
}
const std::string& content_type() const { return content_type_; }
void set_content_type(const std::string& content_type) {
content_type_ = content_type;
}
const std::string& content_disposition() const {
return content_disposition_;
}
void set_content_disposition(const std::string& content_disposition) {
content_disposition_ = content_disposition;
}
const std::string& multipart_boundary() const {
return multipart_boundary_;
}
void set_multipart_boundary(const std::string& multipart_boundary) {
multipart_boundary_ = multipart_boundary;
}
const gfx::Range& byte_range() const { return byte_range_; }
void set_byte_range(const gfx::Range& byte_range) {
byte_range_ = byte_range;
}
bool is_multipart() const { return is_multipart_; }
void set_is_multipart(bool is_multipart) { is_multipart_ = is_multipart; }
int status_code() const { return status_code_; }
void set_status_code(int status_code) { status_code_ = status_code; }
bool closed() const { return closed_; }
void set_closed(bool closed) { closed_ = closed; }
const gfx::Range& open_byte_range() const { return open_byte_range_; }
void set_open_byte_range(const gfx::Range& open_byte_range) {
open_byte_range_ = open_byte_range;
}
bool IsWaitRead() const { return !did_read_callback_.IsOptional(); }
bool IsWaitOpen() const { return !did_open_callback_.IsOptional(); }
char* buffer() const { return buffer_; }
int buffer_size() const { return buffer_size_; }
void SetReadCallback(const pp::CompletionCallback& read_callback,
char* buffer,
int buffer_size) {
did_read_callback_ = read_callback;
buffer_ = buffer;
buffer_size_ = buffer_size;
}
void SetOpenCallback(const pp::CompletionCallback& open_callback,
gfx::Range req_byte_range) {
did_open_callback_ = open_callback;
set_open_byte_range(req_byte_range);
}
void CallOpenCallback(int result) {
DCHECK(IsWaitOpen());
did_open_callback_.RunAndClear(result);
}
void CallReadCallback(int result) {
DCHECK(IsWaitRead());
did_read_callback_.RunAndClear(result);
}
private:
pp::CompletionCallback did_open_callback_;
pp::CompletionCallback did_read_callback_;
char* buffer_ = nullptr;
int buffer_size_ = 0;
int content_length_ = -1;
bool accept_ranges_bytes_ = false;
bool content_encoded_ = false;
std::string content_type_;
std::string content_disposition_;
std::string multipart_boundary_;
gfx::Range byte_range_ = gfx::Range::InvalidRange();
bool is_multipart_ = false;
int status_code_ = 0;
bool closed_ = true;
gfx::Range open_byte_range_ = gfx::Range::InvalidRange();
DISALLOW_COPY_AND_ASSIGN(LoaderData);
};
explicit TestURLLoader(LoaderData* data) : data_(data) {
data_->set_closed(false);
}
~TestURLLoader() override { Close(); }
int GetContentLength() const override { return data_->content_length(); }
bool IsAcceptRangesBytes() const override {
return data_->accept_ranges_bytes();
}
bool IsContentEncoded() const override { return data_->content_encoded(); }
std::string GetContentType() const override { return data_->content_type(); }
std::string GetContentDisposition() const override {
return data_->content_disposition();
}
int GetStatusCode() const override { return data_->status_code(); }
bool IsMultipart() const override { return data_->is_multipart(); }
bool GetByteRangeStart(int* start) const override {
*start = data_->byte_range().start();
return data_->byte_range().IsValid();
}
void Close() override { data_->set_closed(true); }
void OpenRange(const std::string& url,
const std::string& referrer_url,
uint32_t position,
uint32_t size,
const pp::CompletionCallback& cc) override {
data_->SetOpenCallback(cc, gfx::Range(position, position + size));
}
void ReadResponseBody(char* buffer,
int buffer_size,
const pp::CompletionCallback& cc) override {
data_->SetReadCallback(cc, buffer, buffer_size);
}
bool GetDownloadProgress(int64_t* bytes_received,
int64_t* total_bytes_to_be_received) const override {
return false;
}
private:
LoaderData* data_;
DISALLOW_COPY_AND_ASSIGN(TestURLLoader);
};
class TestClient : public DocumentLoader::Client {
public:
TestClient() { full_page_loader_data()->set_content_type("application/pdf"); }
~TestClient() override = default;
// DocumentLoader::Client overrides:
pp::Instance* GetPluginInstance() override { return nullptr; }
std::unique_ptr<URLLoaderWrapper> CreateURLLoader() override {
return std::unique_ptr<URLLoaderWrapper>(
new TestURLLoader(partial_loader_data()));
}
void OnPendingRequestComplete() override {}
void OnNewDataReceived() override {}
void OnDocumentComplete() override {}
void OnDocumentCanceled() override {}
void CancelBrowserDownload() override {}
std::unique_ptr<URLLoaderWrapper> CreateFullPageLoader() {
return std::unique_ptr<URLLoaderWrapper>(
new TestURLLoader(full_page_loader_data()));
}
TestURLLoader::LoaderData* full_page_loader_data() {
return &full_page_loader_data_;
}
TestURLLoader::LoaderData* partial_loader_data() {
return &partial_loader_data_;
}
void SetCanUsePartialLoading() {
full_page_loader_data()->set_content_length(10 * 1024 * 1024);
full_page_loader_data()->set_content_encoded(false);
full_page_loader_data()->set_accept_ranges_bytes(true);
}
void SendAllPartialData() {
partial_loader_data_.set_byte_range(partial_loader_data_.open_byte_range());
partial_loader_data_.CallOpenCallback(0);
uint32_t length = partial_loader_data_.byte_range().length();
while (length > 0) {
constexpr uint32_t max_part_len = kDefaultRequestSize;
const uint32_t part_len = std::min(length, max_part_len);
partial_loader_data_.CallReadCallback(part_len);
length -= part_len;
}
if (partial_loader_data_.IsWaitRead()) {
partial_loader_data_.CallReadCallback(0);
}
}
private:
TestURLLoader::LoaderData full_page_loader_data_;
TestURLLoader::LoaderData partial_loader_data_;
DISALLOW_COPY_AND_ASSIGN(TestClient);
};
class MockClient : public TestClient {
public:
MockClient() = default;
MOCK_METHOD0(OnPendingRequestComplete, void());
MOCK_METHOD0(OnNewDataReceived, void());
MOCK_METHOD0(OnDocumentComplete, void());
MOCK_METHOD0(OnDocumentCanceled, void());
private:
DISALLOW_COPY_AND_ASSIGN(MockClient);
};
} // namespace
using DocumentLoaderImplTest = ::testing::Test;
TEST_F(DocumentLoaderImplTest, PartialLoadingEnabled) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingDisabledOnSmallFiles) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 2);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingDisabledIfContentEncoded) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_encoded(true);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingDisabledNoAcceptRangeBytes) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_accept_ranges_bytes(false);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingReallyDisabledRequestFromBegin) {
TestClient client;
DocumentLoaderImpl loader(&client);
client.SetCanUsePartialLoading();
loader.SetPartialLoadingEnabled(false);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// We should not start partial loading if requested data is beside full page
// loading position.
loader.RequestData(kDefaultRequestSize, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingReallyDisabledRequestFromMiddle) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.SetPartialLoadingEnabled(false);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000000, 1);
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingSimple) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// While we have no requests, we should not start partial loading.
EXPECT_FALSE(loader.is_partial_loader_active());
loader.RequestData(5000000, 1);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Partial loader should request headers.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(loader.is_partial_loader_active());
// Loader should be stopped.
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_EQ("{4980736,10485760}",
client.partial_loader_data()->open_byte_range().ToString());
}
TEST_F(DocumentLoaderImplTest, PartialLoadingBackOrder) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// While we have no requests, we should not start partial loading.
EXPECT_FALSE(loader.is_partial_loader_active());
loader.RequestData(client.full_page_loader_data()->content_length() - 1, 1);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_FALSE(loader.is_partial_loader_active());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Partial loader should request headers.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(loader.is_partial_loader_active());
// Loader should be stopped.
EXPECT_TRUE(client.full_page_loader_data()->closed());
// Requested range should be enlarged.
EXPECT_GT(client.partial_loader_data()->open_byte_range().length(), 1u);
EXPECT_EQ("{9830400,10485760}",
client.partial_loader_data()->open_byte_range().ToString());
}
TEST_F(DocumentLoaderImplTest, CompleteWithoutPartial) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(client.full_page_loader_data()->closed());
while (client.full_page_loader_data()->IsWaitRead()) {
client.full_page_loader_data()->CallReadCallback(1000);
}
EXPECT_TRUE(loader.IsDocumentComplete());
EXPECT_TRUE(client.full_page_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, ErrorDownloadFullDocument) {
TestClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
EXPECT_FALSE(client.full_page_loader_data()->closed());
client.full_page_loader_data()->CallReadCallback(-3);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(loader.IsDocumentComplete());
}
TEST_F(DocumentLoaderImplTest, CompleteNoContentLength) {
TestClient client;
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(client.full_page_loader_data()->closed());
for (int i = 0; i < 10; ++i) {
EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
client.full_page_loader_data()->CallReadCallback(1000);
}
EXPECT_TRUE(client.full_page_loader_data()->IsWaitRead());
client.full_page_loader_data()->CallReadCallback(0);
EXPECT_EQ(10000ul, loader.GetDocumentSize());
EXPECT_TRUE(loader.IsDocumentComplete());
EXPECT_TRUE(client.full_page_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, CompleteWithPartial) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(19 * kDefaultRequestSize, kDefaultRequestSize);
EXPECT_FALSE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->closed());
client.SendAllPartialData();
// Now we should send other document data.
client.SendAllPartialData();
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialRequestLastChunk) {
constexpr uint32_t kLastChunkSize = 300;
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
kLastChunkSize);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(20 * kDefaultRequestSize, 1);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
EXPECT_EQ(
static_cast<int>(client.partial_loader_data()->open_byte_range().end()),
client.full_page_loader_data()->content_length());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
client.partial_loader_data()->CallOpenCallback(0);
uint32_t data_length = client.partial_loader_data()->byte_range().length();
while (data_length > kDefaultRequestSize) {
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
data_length -= kDefaultRequestSize;
}
EXPECT_EQ(kLastChunkSize, data_length);
client.partial_loader_data()->CallReadCallback(kLastChunkSize);
EXPECT_TRUE(loader.IsDataAvailable(kDefaultRequestSize * 20, kLastChunkSize));
}
TEST_F(DocumentLoaderImplTest, DocumentSize) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(123456789);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_EQ(static_cast<int>(loader.GetDocumentSize()),
client.full_page_loader_data()->content_length());
}
TEST_F(DocumentLoaderImplTest, DocumentSizeNoContentLength) {
TestClient client;
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_EQ(0ul, loader.GetDocumentSize());
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.full_page_loader_data()->CallReadCallback(1000);
client.full_page_loader_data()->CallReadCallback(500);
client.full_page_loader_data()->CallReadCallback(0);
EXPECT_EQ(kDefaultRequestSize + 1000ul + 500ul, loader.GetDocumentSize());
EXPECT_TRUE(loader.IsDocumentComplete());
}
TEST_F(DocumentLoaderImplTest, ClearPendingRequests) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 100 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 100, 10);
loader.ClearPendingRequests();
loader.RequestData(15 * kDefaultRequestSize + 200, 20);
// pending requests are accumulating, and will be processed after initial data
// load.
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(15 * kDefaultRequestSize,
16 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
// clear requests before Open callback.
loader.ClearPendingRequests();
// Current request should continue loading.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->CallOpenCallback(0);
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(client.partial_loader_data()->closed());
// Current request should continue loading, because no other request queued.
loader.RequestData(18 * kDefaultRequestSize + 200, 20);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
// New request within close distance from the one currently loading. Loading
// isn't restarted.
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
loader.ClearPendingRequests();
// request again two.
loader.RequestData(60 * kDefaultRequestSize + 100, 10);
loader.RequestData(35 * kDefaultRequestSize + 200, 20);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
// new requset not with in close distance from current loading.
// Loading should be restarted.
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
// The first requested chunk should be processed.
constexpr gfx::Range range_requested(35 * kDefaultRequestSize,
36 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->CallOpenCallback(0);
// Override pending requests.
loader.ClearPendingRequests();
loader.RequestData(70 * kDefaultRequestSize + 100, 10);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
// New requset not with in close distance from current loading.
// Loading should be restarted .
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
// The first requested chunk should be processed.
constexpr gfx::Range range_requested(70 * kDefaultRequestSize,
71 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
}
TEST_F(DocumentLoaderImplTest, GetBlock) {
std::vector<char> buffer(kDefaultRequestSize);
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(loader.GetBlock(0, 1000, buffer.data()));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.GetBlock(0, 1000, buffer.data()));
EXPECT_FALSE(loader.GetBlock(kDefaultRequestSize, 1500, buffer.data()));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.GetBlock(kDefaultRequestSize, 1500, buffer.data()));
EXPECT_FALSE(loader.GetBlock(17 * kDefaultRequestSize, 3000, buffer.data()));
loader.RequestData(17 * kDefaultRequestSize + 100, 10);
EXPECT_FALSE(loader.GetBlock(17 * kDefaultRequestSize, 3000, buffer.data()));
// Requests queue is processed only on receiving data.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.SendAllPartialData();
EXPECT_TRUE(loader.GetBlock(17 * kDefaultRequestSize, 3000, buffer.data()));
}
TEST_F(DocumentLoaderImplTest, IsDataAvailable) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_FALSE(loader.IsDataAvailable(0, 1000));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.IsDataAvailable(0, 1000));
EXPECT_FALSE(loader.IsDataAvailable(kDefaultRequestSize, 1500));
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(loader.IsDataAvailable(kDefaultRequestSize, 1500));
EXPECT_FALSE(loader.IsDataAvailable(17 * kDefaultRequestSize, 3000));
loader.RequestData(17 * kDefaultRequestSize + 100, 10);
EXPECT_FALSE(loader.IsDataAvailable(17 * kDefaultRequestSize, 3000));
// Requests queue is processed only on receiving data.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.SendAllPartialData();
EXPECT_TRUE(loader.IsDataAvailable(17 * kDefaultRequestSize, 3000));
}
TEST_F(DocumentLoaderImplTest, RequestData) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 100 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(37 * kDefaultRequestSize + 200, 10);
loader.RequestData(25 * kDefaultRequestSize + 600, 100);
loader.RequestData(13 * kDefaultRequestSize + 900, 500);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(13 * kDefaultRequestSize,
14 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
client.partial_loader_data()->CallOpenCallback(0);
// Override pending requests.
loader.ClearPendingRequests();
loader.RequestData(38 * kDefaultRequestSize + 200, 10);
loader.RequestData(26 * kDefaultRequestSize + 600, 100);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(26 * kDefaultRequestSize,
27 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
client.partial_loader_data()->CallOpenCallback(0);
// Override pending requests.
loader.ClearPendingRequests();
loader.RequestData(39 * kDefaultRequestSize + 200, 10);
// Requests queue is processed only on receiving data.
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
{
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
constexpr gfx::Range range_requested(39 * kDefaultRequestSize,
40 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
}
// Fill all gaps.
while (!loader.IsDocumentComplete()) {
client.SendAllPartialData();
}
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, DoNotLoadAvailablePartialData) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Send more data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
loader.RequestData(2 * kDefaultRequestSize + 200, 10);
// Send more data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
// Partial loading should not have started for already available data.
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, DoNotLoadDataAfterComplete) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
for (int i = 0; i < 20; ++i) {
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
}
EXPECT_TRUE(loader.IsDocumentComplete());
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
EXPECT_TRUE(client.partial_loader_data()->closed());
EXPECT_TRUE(client.full_page_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, DoNotLoadPartialDataAboveDocumentSize) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(20 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, MergePendingRequests) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 50 +
58383);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
loader.RequestData(16 * kDefaultRequestSize + 600, 100);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
constexpr gfx::Range range_requested(16 * kDefaultRequestSize,
18 * kDefaultRequestSize);
EXPECT_EQ(range_requested.start(),
client.partial_loader_data()->open_byte_range().start());
EXPECT_LE(range_requested.end(),
client.partial_loader_data()->open_byte_range().end());
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
// Fill all gaps.
while (!loader.IsDocumentComplete()) {
client.SendAllPartialData();
}
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialStopOnStatusCodeError) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_status_code(404);
client.partial_loader_data()->CallOpenCallback(0);
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest,
PartialAsFullDocumentLoadingRangeRequestNoRangeField) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_byte_range(gfx::Range::InvalidRange());
client.partial_loader_data()->CallOpenCallback(0);
EXPECT_FALSE(client.partial_loader_data()->closed());
// Partial loader is used to load the whole page, like full page loader.
EXPECT_FALSE(loader.is_partial_loader_active());
}
TEST_F(DocumentLoaderImplTest, PartialMultiPart) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_is_multipart(true);
client.partial_loader_data()->CallOpenCallback(0);
client.partial_loader_data()->set_byte_range(
gfx::Range(17 * kDefaultRequestSize, 18 * kDefaultRequestSize));
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(
loader.IsDataAvailable(17 * kDefaultRequestSize, kDefaultRequestSize));
}
TEST_F(DocumentLoaderImplTest, PartialMultiPartRangeError) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_is_multipart(true);
client.partial_loader_data()->CallOpenCallback(0);
client.partial_loader_data()->set_byte_range(gfx::Range::InvalidRange());
client.partial_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_FALSE(
loader.IsDataAvailable(17 * kDefaultRequestSize, kDefaultRequestSize));
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialConnectionErrorOnOpen) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->CallOpenCallback(-3);
EXPECT_TRUE(client.partial_loader_data()->closed());
// Partial loading should not restart after any error.
loader.RequestData(18 * kDefaultRequestSize + 200, 10);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, PartialConnectionErrorOnRead) {
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(17 * kDefaultRequestSize + 200, 10);
// Send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.partial_loader_data()->IsWaitOpen());
client.partial_loader_data()->set_byte_range(
gfx::Range(17 * kDefaultRequestSize, 18 * kDefaultRequestSize));
client.partial_loader_data()->CallOpenCallback(0);
EXPECT_TRUE(client.partial_loader_data()->IsWaitRead());
client.partial_loader_data()->CallReadCallback(-3);
EXPECT_TRUE(client.partial_loader_data()->closed());
// Partial loading should not restart after any error.
loader.RequestData(18 * kDefaultRequestSize + 200, 10);
EXPECT_FALSE(client.partial_loader_data()->IsWaitOpen());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, ClientCompleteCallbacks) {
MockClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
for (int i = 0; i < 19; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnDocumentComplete()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientCompleteCallbacksNoContentLength) {
MockClient client;
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
for (int i = 0; i < 20; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
EXPECT_CALL(client, OnDocumentComplete()).Times(1);
client.full_page_loader_data()->CallReadCallback(0);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientCancelCallback) {
MockClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnDocumentCanceled()).Times(0);
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
for (int i = 0; i < 10; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnDocumentComplete()).Times(0);
EXPECT_CALL(client, OnDocumentCanceled()).Times(1);
client.full_page_loader_data()->CallReadCallback(-3);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, NewDataAvailable) {
MockClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDefaultRequestSize * 20);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnNewDataReceived()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnNewDataReceived()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize - 100);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnNewDataReceived()).Times(1);
client.full_page_loader_data()->CallReadCallback(100);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientPendingRequestCompleteFullLoader) {
MockClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
loader.RequestData(1000, 4000);
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, ClientPendingRequestCompletePartialLoader) {
MockClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
loader.RequestData(15 * kDefaultRequestSize + 4000, 4000);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
client.SendAllPartialData();
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest,
ClientPendingRequestCompletePartialAndFullLoader) {
MockClient client;
client.SetCanUsePartialLoading();
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
loader.RequestData(16 * kDefaultRequestSize + 4000, 4000);
loader.RequestData(4 * kDefaultRequestSize + 4000, 4000);
for (int i = 0; i < 5; ++i)
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
Mock::VerifyAndClear(&client);
EXPECT_CALL(client, OnPendingRequestComplete()).Times(1);
client.SendAllPartialData();
Mock::VerifyAndClear(&client);
}
TEST_F(DocumentLoaderImplTest, IgnoreDataMoreThanExpectedWithPartial) {
static constexpr uint32_t kDocSize = kDefaultRequestSize * 80 - 321;
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDocSize);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// Request data at and.
loader.RequestData(kDocSize - 100, 100);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->closed());
// Request data at middle to continue loading partial, but not all remaining
// data.
loader.RequestData(kDocSize / 2, 100);
// Fill data at the end, the partial loding should be started for second
// requested data after receive data for first request.
client.SendAllPartialData();
ASSERT_TRUE(client.partial_loader_data()->IsWaitOpen());
// Process second request.
const uint32_t expected_length =
client.partial_loader_data()->open_byte_range().length();
// Send data.
client.partial_loader_data()->set_byte_range(
client.partial_loader_data()->open_byte_range());
client.partial_loader_data()->CallOpenCallback(0);
uint32_t length = expected_length;
while (length > 0) {
constexpr uint32_t max_part_len = kDefaultRequestSize;
const uint32_t part_len = std::min(length, max_part_len);
client.partial_loader_data()->CallReadCallback(part_len);
length -= part_len;
}
// The partial loading should be finished for current chunks sequence, if
// expected range was received, and remaining sequence should start loading.
EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
ASSERT_TRUE(client.partial_loader_data()->IsWaitOpen());
// Send other document data.
client.SendAllPartialData();
// The downloads should be finished.
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
TEST_F(DocumentLoaderImplTest, IgnoreDataMoreThanExpectedWithPartialAtFileEnd) {
static constexpr uint32_t kExtraSize = 100;
static constexpr uint32_t kRealSize = kDefaultRequestSize * 20 - 300;
static constexpr uint32_t kDocSize = kRealSize - kExtraSize;
TestClient client;
client.SetCanUsePartialLoading();
client.full_page_loader_data()->set_content_length(kDocSize);
DocumentLoaderImpl loader(&client);
loader.Init(client.CreateFullPageLoader(), "http://url.com");
// Request data at middle.
static constexpr uint32_t kFirstPartial = kDefaultRequestSize * 11;
loader.RequestData(kFirstPartial, kDefaultRequestSize);
// Always send initial data from FullPageLoader.
client.full_page_loader_data()->CallReadCallback(kDefaultRequestSize);
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_FALSE(client.partial_loader_data()->closed());
// Send data to file end and extra non expected data.
client.partial_loader_data()->set_byte_range(
gfx::Range(kFirstPartial, kRealSize));
client.partial_loader_data()->CallOpenCallback(0);
uint32_t length = client.partial_loader_data()->byte_range().length();
while (length > 0) {
constexpr uint32_t max_part_len = kDefaultRequestSize;
const uint32_t part_len = std::min(length, max_part_len);
client.partial_loader_data()->CallReadCallback(part_len);
length -= part_len;
}
// The partial loading should be finished for current chunks sequence, if
// eof was reached, and remaining sequence should start loading.
EXPECT_FALSE(client.partial_loader_data()->IsWaitRead());
EXPECT_EQ(gfx::Range(kDefaultRequestSize, kFirstPartial),
client.partial_loader_data()->open_byte_range());
// Send other document data.
client.SendAllPartialData();
// The downloads should be finished.
EXPECT_TRUE(client.full_page_loader_data()->closed());
EXPECT_TRUE(client.partial_loader_data()->closed());
}
} // namespace chrome_pdf
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