140 lines
4.2 KiB
C++
140 lines
4.2 KiB
C++
//
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// Copyright (C) 2014 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "apmanager/dhcp_server.h"
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#include <string>
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#include <net/if.h>
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#include <base/strings/string_util.h>
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#include <base/strings/stringprintf.h>
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#include <brillo/process_mock.h>
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#include <gmock/gmock.h>
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#include <gtest/gtest.h>
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#include <shill/net/mock_rtnl_handler.h>
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#include "apmanager/mock_file_writer.h"
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#include "apmanager/mock_process_factory.h"
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using brillo::ProcessMock;
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using ::testing::_;
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using ::testing::Mock;
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using ::testing::Return;
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using std::string;
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namespace {
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const uint16_t kServerAddressIndex = 1;
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const char kTestInterfaceName[] = "test_interface";
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const char kExpectedDnsmasqConfigFile[] =
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"port=0\n"
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"bind-interfaces\n"
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"log-dhcp\n"
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"keep-in-foreground\n"
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"dhcp-range=192.168.1.1,192.168.1.128\n"
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"interface=test_interface\n"
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#if !defined(__ANDROID__)
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"user=apmanager\n"
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"dhcp-leasefile=/var/run/apmanager/dnsmasq/dhcpd-1.leases\n";
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#else
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"user=system\n"
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"dhcp-leasefile=/data/misc/apmanager/dnsmasq/dhcpd-1.leases\n";
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#endif // __ANDROID__
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#if !defined(__ANDROID__)
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const char kBinSleep[] = "/bin/sleep";
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const char kDnsmasqConfigFilePath[] =
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"/var/run/apmanager/dnsmasq/dhcpd-1.conf";
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#else
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const char kBinSleep[] = "/system/bin/sleep";
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const char kDnsmasqConfigFilePath[] =
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"/data/misc/apmanager/dnsmasq/dhcpd-1.conf";
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#endif // __ANDROID__
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} // namespace
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namespace apmanager {
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class DHCPServerTest : public testing::Test {
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public:
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DHCPServerTest()
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: dhcp_server_(new DHCPServer(kServerAddressIndex, kTestInterfaceName)),
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rtnl_handler_(new shill::MockRTNLHandler()) {}
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virtual ~DHCPServerTest() {}
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virtual void SetUp() {
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dhcp_server_->rtnl_handler_ = rtnl_handler_.get();
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dhcp_server_->file_writer_ = &file_writer_;
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dhcp_server_->process_factory_ = &process_factory_;
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}
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virtual void TearDown() {
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// Reset DHCP server now while RTNLHandler is still valid.
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dhcp_server_.reset();
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}
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void StartDummyProcess() {
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dhcp_server_->dnsmasq_process_.reset(new brillo::ProcessImpl);
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dhcp_server_->dnsmasq_process_->AddArg(kBinSleep);
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dhcp_server_->dnsmasq_process_->AddArg("12345");
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CHECK(dhcp_server_->dnsmasq_process_->Start());
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}
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string GenerateConfigFile() {
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return dhcp_server_->GenerateConfigFile();
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}
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protected:
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std::unique_ptr<DHCPServer> dhcp_server_;
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std::unique_ptr<shill::MockRTNLHandler> rtnl_handler_;
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MockFileWriter file_writer_;
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MockProcessFactory process_factory_;
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};
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TEST_F(DHCPServerTest, GenerateConfigFile) {
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string config_content = GenerateConfigFile();
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EXPECT_STREQ(kExpectedDnsmasqConfigFile, config_content.c_str())
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<< "Expected to find the following config...\n"
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<< kExpectedDnsmasqConfigFile << ".....\n"
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<< config_content;
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}
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TEST_F(DHCPServerTest, StartWhenServerAlreadyStarted) {
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StartDummyProcess();
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EXPECT_FALSE(dhcp_server_->Start());
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}
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TEST_F(DHCPServerTest, StartSuccess) {
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ProcessMock* process = new ProcessMock();
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const int kInterfaceIndex = 1;
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EXPECT_CALL(file_writer_,
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Write(kDnsmasqConfigFilePath, kExpectedDnsmasqConfigFile))
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.WillOnce(Return(true));
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EXPECT_CALL(*rtnl_handler_.get(), GetInterfaceIndex(kTestInterfaceName))
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.WillOnce(Return(kInterfaceIndex));
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EXPECT_CALL(*rtnl_handler_.get(),
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AddInterfaceAddress(kInterfaceIndex, _, _, _)).Times(1);
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EXPECT_CALL(*rtnl_handler_.get(),
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SetInterfaceFlags(kInterfaceIndex, IFF_UP, IFF_UP)).Times(1);
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EXPECT_CALL(process_factory_, CreateProcess()).WillOnce(Return(process));
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EXPECT_CALL(*process, Start()).WillOnce(Return(true));
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EXPECT_TRUE(dhcp_server_->Start());
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Mock::VerifyAndClearExpectations(rtnl_handler_.get());
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}
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} // namespace apmanager
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