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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/devtools/request_body_collector.h"
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/location.h"
#include "base/run_loop.h"
#include "content/public/test/browser_task_environment.h"
#include "services/network/public/cpp/resource_request_body.h"
#include "services/network/test/test_data_pipe_getter.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace content {
namespace {
class RequestBodyCollectorTest : public ::testing::Test {
protected:
using Result = std::vector<RequestBodyCollector::BodyEntry>;
RequestBodyCollectorTest() = default;
~RequestBodyCollectorTest() override = default;
base::OnceCallback<void(Result result)> MakeCallback() {
return base::BindOnce(&RequestBodyCollectorTest::SetResult,
base::Unretained(this));
}
static std::unique_ptr<network::TestDataPipeGetter> AddPipeGetterWithData(
network::ResourceRequestBody& body,
std::string data) {
mojo::PendingRemote<network::mojom::DataPipeGetter> pipe_getter_remote;
auto pipe_getter = std::make_unique<network::TestDataPipeGetter>(
std::move(data), pipe_getter_remote.InitWithNewPipeAndPassReceiver());
body.AppendDataPipe(std::move(pipe_getter_remote));
return pipe_getter;
}
void WaitCompletion() {
base::RunLoop run_loop;
quit_loop_callback_ = run_loop.QuitClosure();
run_loop.Run();
}
Result result_;
std::vector<std::string_view> text_result_;
private:
void SetResult(Result result) {
result_ = std::move(result);
std::transform(
result_.begin(), result_.end(), std::back_inserter(text_result_),
[](const RequestBodyCollector::BodyEntry& entry) {
return entry.has_value()
? std::string_view(
reinterpret_cast<const char*>(entry->data()),
entry->size())
: entry.error();
});
if (quit_loop_callback_) {
std::move(quit_loop_callback_).Run();
}
}
BrowserTaskEnvironment task_environment_;
base::OnceClosure quit_loop_callback_;
};
static constexpr char kBytes[] = "don't panic!";
TEST_F(RequestBodyCollectorTest, Empty) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::IsNull());
EXPECT_THAT(result_, testing::IsEmpty());
}
TEST_F(RequestBodyCollectorTest, OnlyBytes) {
auto body = network::ResourceRequestBody::CreateFromCopyOfBytes(
base::byte_span_from_cstring(kBytes));
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::IsNull());
EXPECT_THAT(text_result_, testing::ElementsAre(kBytes));
}
TEST_F(RequestBodyCollectorTest, UnsupportedType) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
body->AppendFileRange(base::FilePath(FILE_PATH_LITERAL("/etc/passwd")), 0, 42,
base::Time::Now());
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::IsNull());
EXPECT_THAT(text_result_, testing::ElementsAre("Unsupported entry"));
}
TEST_F(RequestBodyCollectorTest, Pipe) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
auto pipe_getter = AddPipeGetterWithData(*body, kBytes);
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::NotNull());
WaitCompletion();
EXPECT_THAT(text_result_, testing::ElementsAre(kBytes));
}
TEST_F(RequestBodyCollectorTest, PipeInsufficientData) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
auto pipe_getter = AddPipeGetterWithData(*body, kBytes);
pipe_getter->set_pipe_closed_early(true);
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::NotNull());
WaitCompletion();
EXPECT_THAT(text_result_, testing::ElementsAre("Unexpected end of data"));
}
TEST_F(RequestBodyCollectorTest, PipeError) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
auto pipe_getter = AddPipeGetterWithData(*body, kBytes);
pipe_getter->set_start_error(13);
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::NotNull());
WaitCompletion();
EXPECT_THAT(text_result_, testing::ElementsAre("Error reading blob"));
}
TEST_F(RequestBodyCollectorTest, PipeDisconnect) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
mojo::PendingRemote<network::mojom::DataPipeGetter> pipe_getter_remote;
mojo::PendingReceiver<network::mojom::DataPipeGetter> pipe_getter_receiver(
pipe_getter_remote.InitWithNewPipeAndPassReceiver());
body->AppendDataPipe(std::move(pipe_getter_remote));
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::NotNull());
pipe_getter_receiver.reset();
WaitCompletion();
EXPECT_THAT(text_result_, testing::ElementsAre("Error reading blob"));
}
TEST_F(RequestBodyCollectorTest, EarlyTermination) {
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
mojo::PendingRemote<network::mojom::DataPipeGetter> pipe_getter_remote;
mojo::PendingReceiver<network::mojom::DataPipeGetter> pipe_getter_receiver(
pipe_getter_remote.InitWithNewPipeAndPassReceiver());
body->AppendDataPipe(std::move(pipe_getter_remote));
auto collector = RequestBodyCollector::Collect(
*body, base::BindOnce([](Result) { FAIL() << "Should not be called"; }));
collector.reset();
EXPECT_THAT(text_result_, testing::IsEmpty());
}
TEST_F(RequestBodyCollectorTest, AllTogertherNow) {
static constexpr char kDelimiter[] = "-------------------";
auto body = base::MakeRefCounted<network::ResourceRequestBody>();
body->AppendCopyOfBytes(base::byte_span_from_cstring(kBytes));
auto pipe1 = AddPipeGetterWithData(*body, "Pipe bytes 1");
body->AppendCopyOfBytes(base::byte_span_from_cstring(kDelimiter));
auto pipe2 = AddPipeGetterWithData(*body, "Pipe bytes 2");
body->AppendCopyOfBytes(base::byte_span_from_cstring(kDelimiter));
auto pipe3 = AddPipeGetterWithData(*body, "");
pipe3->set_pipe_closed_early(true);
body->AppendCopyOfBytes(base::byte_span_from_cstring(kDelimiter));
auto pipe4 = AddPipeGetterWithData(*body, "");
body->AppendCopyOfBytes(base::byte_span_from_cstring(kDelimiter));
auto collector = RequestBodyCollector::Collect(*body, MakeCallback());
EXPECT_THAT(collector, testing::NotNull());
pipe4.reset();
WaitCompletion();
EXPECT_THAT(
text_result_,
testing::ElementsAre(kBytes, "Pipe bytes 1", kDelimiter, "Pipe bytes 2",
kDelimiter, "Unexpected end of data", kDelimiter,
"Error reading blob", kDelimiter));
}
} // namespace
} // namespace content
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