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// Copyright 2013 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 "base/bind.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 "content/public/test/test_browser_thread_bundle.h"
#include "net/dns/dns_client.h"
#include "testing/gtest/include/gtest/gtest.h"
using base::MessageLoopForIO;
using base::RunLoop;
using content::TestBrowserThreadBundle;
using net::DnsClient;
using net::DnsConfig;
using net::MockDnsClientRule;
namespace chrome_browser_net {
namespace {
class TestDnsProbeRunnerCallback {
public:
TestDnsProbeRunnerCallback()
: callback_(base::Bind(&TestDnsProbeRunnerCallback::OnCalled,
base::Unretained(this))),
called_(false) {}
const base::Closure& callback() const { return callback_; }
bool called() const { return called_; }
private:
void OnCalled() {
EXPECT_FALSE(called_);
called_ = true;
}
base::Closure callback_;
bool called_;
};
class DnsProbeRunnerTest : public testing::Test {
protected:
void RunTest(MockDnsClientRule::Result query_result,
DnsProbeRunner::Result expected_probe_result);
TestBrowserThreadBundle bundle_;
DnsProbeRunner runner_;
};
void DnsProbeRunnerTest::RunTest(
MockDnsClientRule::Result query_result,
DnsProbeRunner::Result expected_probe_result) {
TestDnsProbeRunnerCallback callback;
runner_.SetClient(CreateMockDnsClientForProbes(query_result));
runner_.RunProbe(callback.callback());
EXPECT_TRUE(runner_.IsRunning());
RunLoop().RunUntilIdle();
EXPECT_FALSE(runner_.IsRunning());
EXPECT_TRUE(callback.called());
EXPECT_EQ(expected_probe_result, runner_.result());
}
TEST_F(DnsProbeRunnerTest, Probe_OK) {
RunTest(MockDnsClientRule::OK, DnsProbeRunner::CORRECT);
}
TEST_F(DnsProbeRunnerTest, Probe_EMPTY) {
RunTest(MockDnsClientRule::EMPTY, DnsProbeRunner::INCORRECT);
}
TEST_F(DnsProbeRunnerTest, Probe_TIMEOUT) {
RunTest(MockDnsClientRule::TIMEOUT, DnsProbeRunner::UNREACHABLE);
}
TEST_F(DnsProbeRunnerTest, Probe_FAIL) {
RunTest(MockDnsClientRule::FAIL, DnsProbeRunner::INCORRECT);
}
TEST_F(DnsProbeRunnerTest, TwoProbes) {
RunTest(MockDnsClientRule::OK, DnsProbeRunner::CORRECT);
RunTest(MockDnsClientRule::EMPTY, DnsProbeRunner::INCORRECT);
}
TEST_F(DnsProbeRunnerTest, InvalidDnsConfig) {
scoped_ptr<DnsClient> dns_client(DnsClient::CreateClient(NULL));
DnsConfig empty_config;
dns_client->SetConfig(empty_config);
ASSERT_EQ(NULL, dns_client->GetTransactionFactory());
runner_.SetClient(dns_client.Pass());
TestDnsProbeRunnerCallback callback;
runner_.RunProbe(callback.callback());
EXPECT_TRUE(runner_.IsRunning());
RunLoop().RunUntilIdle();
EXPECT_FALSE(runner_.IsRunning());
EXPECT_TRUE(callback.called());
EXPECT_EQ(DnsProbeRunner::UNKNOWN, runner_.result());
}
} // namespace
} // namespace chrome_browser_net
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