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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/android/traffic_stats.h"
#include <unistd.h> // For usleep
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "net/url_request/url_request_context.h"
#include "net/url_request/url_request_context_builder.h"
#include "net/url_request/url_request_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "url/gurl.h"
namespace net {
namespace {
template <typename Predicate>
void ExpectWithRetry(Predicate predicate) {
const int kMaxRetries = 500;
const auto kRetryInterval = base::Milliseconds(10);
for (int retry_count = 0;; ++retry_count) {
if (predicate()) {
return;
}
if (retry_count == kMaxRetries) {
break;
}
base::PlatformThreadBase::Sleep(kRetryInterval);
}
// If reached here, all retries have failed.
FAIL() << "Condition remained false even after "
<< kMaxRetries * kRetryInterval;
}
int64_t GetTotalTxBytes() {
int64_t ret = -1;
EXPECT_TRUE(android::traffic_stats::GetTotalTxBytes(&ret));
EXPECT_GE(ret, 0);
return ret;
}
int64_t GetTotalRxBytes() {
int64_t ret = -1;
EXPECT_TRUE(android::traffic_stats::GetTotalRxBytes(&ret));
EXPECT_GE(ret, 0);
return ret;
}
TEST(TrafficStatsAndroidTest, BasicsTest) {
base::test::TaskEnvironment task_environment(
base::test::TaskEnvironment::MainThreadType::IO);
EmbeddedTestServer embedded_test_server;
embedded_test_server.ServeFilesFromDirectory(
base::FilePath(FILE_PATH_LITERAL("net/data/url_request_unittest")));
ASSERT_TRUE(embedded_test_server.Start());
int64_t tx_bytes_before_request = -1;
int64_t rx_bytes_before_request = -1;
EXPECT_TRUE(
android::traffic_stats::GetTotalTxBytes(&tx_bytes_before_request));
EXPECT_GE(tx_bytes_before_request, 0);
EXPECT_TRUE(
android::traffic_stats::GetTotalRxBytes(&rx_bytes_before_request));
EXPECT_GE(rx_bytes_before_request, 0);
TestDelegate test_delegate;
auto context = CreateTestURLRequestContextBuilder()->Build();
std::unique_ptr<URLRequest> request(
context->CreateRequest(embedded_test_server.GetURL("/echo.html"),
DEFAULT_PRIORITY, &test_delegate));
request->Start();
test_delegate.RunUntilComplete();
// Bytes should increase because of the network traffic.
// Retry is needed to work around rate-limit caching for
// TrafficStats API results on V+ devices.
ExpectWithRetry([&] { return GetTotalTxBytes() > tx_bytes_before_request; });
ExpectWithRetry([&] { return GetTotalRxBytes() > rx_bytes_before_request; });
}
TEST(TrafficStatsAndroidTest, UIDBasicsTest) {
base::test::TaskEnvironment task_environment(
base::test::TaskEnvironment::MainThreadType::IO);
EmbeddedTestServer embedded_test_server;
embedded_test_server.ServeFilesFromDirectory(
base::FilePath(FILE_PATH_LITERAL("net/data/url_request_unittest")));
ASSERT_TRUE(embedded_test_server.Start());
int64_t tx_bytes_before_request = -1;
int64_t rx_bytes_before_request = -1;
EXPECT_TRUE(
android::traffic_stats::GetCurrentUidTxBytes(&tx_bytes_before_request));
EXPECT_GE(tx_bytes_before_request, 0);
EXPECT_TRUE(
android::traffic_stats::GetCurrentUidRxBytes(&rx_bytes_before_request));
EXPECT_GE(rx_bytes_before_request, 0);
TestDelegate test_delegate;
auto context = CreateTestURLRequestContextBuilder()->Build();
std::unique_ptr<URLRequest> request(
context->CreateRequest(embedded_test_server.GetURL("/echo.html"),
DEFAULT_PRIORITY, &test_delegate));
request->Start();
test_delegate.RunUntilComplete();
// Bytes should increase because of the network traffic.
// Retry is needed to work around rate-limit caching for
// TrafficStats API results on V+ devices.
ExpectWithRetry([&] { return GetTotalTxBytes() > tx_bytes_before_request; });
ExpectWithRetry([&] { return GetTotalRxBytes() > rx_bytes_before_request; });
}
} // namespace
} // namespace net
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