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// Copyright (c) 2012 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 "chrome/browser/net/dns_probe_service.h"
#include "base/bind.h"
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "chrome/browser/net/dns_probe_runner.h"
#include "chrome/browser/net/dns_probe_test_util.h"
#include "chrome/common/net/net_error_info.h"
#include "content/public/test/test_browser_thread_bundle.h"
#include "net/dns/dns_test_util.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::MessageLoopForIO;
using base::RunLoop;
using chrome_common_net::DnsProbeStatus;
using content::TestBrowserThreadBundle;
using net::MockDnsClientRule;
namespace chrome_browser_net {
namespace {
class DnsProbeServiceTest : public testing::Test {
public:
DnsProbeServiceTest()
: callback_called_(false),
callback_result_(chrome_common_net::DNS_PROBE_MAX) {
}
void Probe() {
service_.ProbeDns(base::Bind(&DnsProbeServiceTest::ProbeCallback,
base::Unretained(this)));
}
void Reset() {
callback_called_ = false;
}
protected:
void SetRules(MockDnsClientRule::Result system_query_result,
MockDnsClientRule::Result public_query_result) {
service_.SetSystemClientForTesting(
CreateMockDnsClientForProbes(system_query_result));
service_.SetPublicClientForTesting(
CreateMockDnsClientForProbes(public_query_result));
}
void RunTest(MockDnsClientRule::Result system_query_result,
MockDnsClientRule::Result public_query_result,
DnsProbeStatus expected_result) {
Reset();
SetRules(system_query_result, public_query_result);
Probe();
RunLoop().RunUntilIdle();
EXPECT_TRUE(callback_called_);
EXPECT_EQ(expected_result, callback_result_);
}
void ClearCachedResult() {
service_.ClearCachedResultForTesting();
}
private:
void ProbeCallback(DnsProbeStatus result) {
EXPECT_FALSE(callback_called_);
callback_called_ = true;
callback_result_ = result;
}
DnsProbeService service_;
bool callback_called_;
DnsProbeStatus callback_result_;
TestBrowserThreadBundle bundle_;
};
TEST_F(DnsProbeServiceTest, Probe_OK_OK) {
RunTest(MockDnsClientRule::OK, MockDnsClientRule::OK,
chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN);
}
TEST_F(DnsProbeServiceTest, Probe_TIMEOUT_OK) {
RunTest(MockDnsClientRule::TIMEOUT, MockDnsClientRule::OK,
chrome_common_net::DNS_PROBE_FINISHED_BAD_CONFIG);
}
TEST_F(DnsProbeServiceTest, Probe_TIMEOUT_TIMEOUT) {
RunTest(MockDnsClientRule::TIMEOUT, MockDnsClientRule::TIMEOUT,
chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET);
}
TEST_F(DnsProbeServiceTest, Probe_OK_FAIL) {
RunTest(MockDnsClientRule::OK, MockDnsClientRule::FAIL,
chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN);
}
TEST_F(DnsProbeServiceTest, Probe_FAIL_OK) {
RunTest(MockDnsClientRule::FAIL, MockDnsClientRule::OK,
chrome_common_net::DNS_PROBE_FINISHED_BAD_CONFIG);
}
TEST_F(DnsProbeServiceTest, Probe_FAIL_FAIL) {
RunTest(MockDnsClientRule::FAIL, MockDnsClientRule::FAIL,
chrome_common_net::DNS_PROBE_FINISHED_INCONCLUSIVE);
}
TEST_F(DnsProbeServiceTest, Cache) {
RunTest(MockDnsClientRule::OK, MockDnsClientRule::OK,
chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN);
// Cached NXDOMAIN result should persist, not the result from the new rules.
RunTest(MockDnsClientRule::TIMEOUT, MockDnsClientRule::TIMEOUT,
chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN);
}
TEST_F(DnsProbeServiceTest, Expire) {
RunTest(MockDnsClientRule::OK, MockDnsClientRule::OK,
chrome_common_net::DNS_PROBE_FINISHED_NXDOMAIN);
// Pretend cache expires.
ClearCachedResult();
// New rules should apply, since a new probe should be run.
RunTest(MockDnsClientRule::TIMEOUT, MockDnsClientRule::TIMEOUT,
chrome_common_net::DNS_PROBE_FINISHED_NO_INTERNET);
}
} // namespace
} // namespace chrome_browser_net
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