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kea/src/lib/dhcpsrv/tests/mysql_lease_mgr_unittest.cc

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// Copyright (C) 2012 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#include <config.h>
#include <asiolink/io_address.h>
#include <dhcpsrv/lease_mgr_factory.h>
#include <dhcpsrv/mysql_lease_mgr.h>
#include <gtest/gtest.h>
#include <algorithm>
#include <iostream>
#include <sstream>
#include <string>
#include <utility>
using namespace isc;
using namespace isc::asiolink;
using namespace isc::dhcp;
using namespace std;
namespace {
// This holds statements to create and destroy the schema.
#include "schema_copy.h"
// IPv4 and IPv6 addresses used in the tests
const char* ADDRESS4[] = {
"192.0.2.0", "192.0.2.1", "192.0.2.2", "192.0.2.3",
"192.0.2.4", "192.0.2.5", "192.0.2.6", "192.0.2.7",
NULL
};
const char* ADDRESS6[] = {
"2001:db8::0", "2001:db8::1", "2001:db8::2", "2001:db8::3",
"2001:db8::4", "2001:db8::5", "2001:db8::6", "2001:db8::7",
NULL
};
// Connection strings.
// Database: keatest
// Host: localhost
// Username: keatest
// Password: keatest
const char* VALID_TYPE = "type=mysql";
const char* INVALID_TYPE = "type=unknown";
const char* VALID_NAME = "name=keatest";
const char* INVALID_NAME = "name=invalidname";
const char* VALID_HOST = "host=localhost";
const char* INVALID_HOST = "host=invalidhost";
const char* VALID_USER = "user=keatest";
const char* INVALID_USER = "user=invaliduser";
const char* VALID_PASSWORD = "password=keatest";
const char* INVALID_PASSWORD = "password=invalid";
// Given a combination of strings above, produce a connection string.
string connectionString(const char* type, const char* name, const char* host,
const char* user, const char* password) {
const string space = " ";
string result = "";
if (type != NULL) {
result += string(type);
}
if (name != NULL) {
if (! result.empty()) {
result += space;
}
result += string(name);
}
if (host != NULL) {
if (! result.empty()) {
result += space;
}
result += string(host);
}
if (user != NULL) {
if (! result.empty()) {
result += space;
}
result += string(user);
}
if (password != NULL) {
if (! result.empty()) {
result += space;
}
result += string(password);
}
return (result);
}
// Return valid connection string
string
validConnectionString() {
return (connectionString(VALID_TYPE, VALID_NAME, VALID_HOST,
VALID_USER, VALID_PASSWORD));
}
// @brief Clear everything from the database
//
// There is no error checking in this code: if something fails, one of the
// tests will (should) fall over.
void destroySchema() {
// Initialise
MYSQL handle;
(void) mysql_init(&handle);
// Open database
(void) mysql_real_connect(&handle, "localhost", "keatest",
"keatest", "keatest", 0, NULL, 0);
// Get rid of everything in it.
for (int i = 0; destroy_statement[i] != NULL; ++i) {
(void) mysql_query(&handle, destroy_statement[i]);
}
// ... and close
(void) mysql_close(&handle);
}
// @brief Create the Schema
//
// Creates all the tables in what is assumed to be an empty database.
//
// There is no error checking in this code: if it fails, one of the tests
// will fall over.
void createSchema() {
// Initialise
MYSQL handle;
(void) mysql_init(&handle);
// Open database
(void) mysql_real_connect(&handle, "localhost", "keatest",
"keatest", "keatest", 0, NULL, 0);
// Execute creation statements.
for (int i = 0; create_statement[i] != NULL; ++i) {
(void) mysql_query(&handle, create_statement[i]);
}
// ... and close
(void) mysql_close(&handle);
}
/// @brief Test fixture class for testing MySQL Lease Manager
///
/// Opens the database prior to each test and closes it afterwards.
/// All pending transactions are deleted prior to closure.
class MySqlLeaseMgrTest : public ::testing::Test {
public:
/// @brief Constructor
///
/// Deletes everything from the database and opens it.
MySqlLeaseMgrTest() {
// Initialize address strings and IOAddresses
for (int i = 0; ADDRESS4[i] != NULL; ++i) {
string addr(ADDRESS4[i]);
straddress4_.push_back(addr);
IOAddress ioaddr(addr);
ioaddress4_.push_back(ioaddr);
}
for (int i = 0; ADDRESS6[i] != NULL; ++i) {
string addr(ADDRESS6[i]);
straddress6_.push_back(addr);
IOAddress ioaddr(addr);
ioaddress6_.push_back(ioaddr);
}
// Ensure schema is the correct one.
destroySchema();
createSchema();
// Connect to the database
try {
LeaseMgrFactory::create(validConnectionString());
} catch (...) {
std::cerr << "*** ERROR: unable to open database. The test\n"
"*** environment is broken and must be fixed before\n"
"*** the MySQL tests will run correctly.\n"
"*** The reason for the problem is described in the\n"
"*** accompanying exception output.\n";
throw;
}
lmptr_ = &(LeaseMgrFactory::instance());
}
/// @brief Destructor
///
/// Rolls back all pending transactions. The deletion of lmptr_ will close
/// the database. Then reopen it and delete everything created by the test.
virtual ~MySqlLeaseMgrTest() {
lmptr_->rollback();
LeaseMgrFactory::destroy();
destroySchema();
}
/// @brief Reopen the database
///
/// Closes the database and re-open it. Anything committed should be
/// visible.
void reopen() {
LeaseMgrFactory::destroy();
LeaseMgrFactory::create(validConnectionString());
lmptr_ = &(LeaseMgrFactory::instance());
}
/// @brief Initialize Lease4 Fields
///
/// Returns a pointer to a Lease4 structure. Different values are put into
/// the lease according to the address passed.
///
/// This is just a convenience function for the test methods.
///
/// @param address Address to use for the initialization
///
/// @return Lease4Ptr. This will not point to anything if the
/// initialization failed (e.g. unknown address).
Lease4Ptr initializeLease4(std::string address) {
Lease4Ptr lease(new Lease4());
// Set the address of the lease
lease->addr_ = IOAddress(address);
// Initialize unused fields.
lease->ext_ = 0; // Not saved
lease->t1_ = 0; // Not saved
lease->t2_ = 0; // Not saved
lease->fixed_ = false; // Unused
lease->hostname_ = std::string(""); // Unused
lease->fqdn_fwd_ = false; // Unused
lease->fqdn_rev_ = false; // Unused
lease->comments_ = std::string(""); // Unused
// Set other parameters. For historical reasons, address 0 is not used.
if (address == straddress4_[0]) {
lease->hwaddr_ = vector<uint8_t>(6, 0x08);
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x42)));
lease->valid_lft_ = 8677;
lease->cltt_ = 168256;
lease->subnet_id_ = 23;
} else if (address == straddress4_[1]) {
lease->hwaddr_ = vector<uint8_t>(6, 0x19);
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x53)));
lease->valid_lft_ = 3677;
lease->cltt_ = 123456;
lease->subnet_id_ = 73;
} else if (address == straddress4_[2]) {
lease->hwaddr_ = vector<uint8_t>(6, 0x2a);
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x64)));
lease->valid_lft_ = 5412;
lease->cltt_ = 234567;
lease->subnet_id_ = 73; // Same as lease 1
} else if (address == straddress4_[3]) {
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lease->hwaddr_ = vector<uint8_t>(6, 0x19); // Same as lease 1
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x75)));
// The times used in the next tests are deliberately restricted - we
// should be able to cope with valid lifetimes up to 0xffffffff.
// However, this will lead to overflows.
// @TODO: test overflow conditions when code has been fixed
2012-11-23 12:47:40 +00:00
lease->valid_lft_ = 7000;
lease->cltt_ = 234567;
lease->subnet_id_ = 37;
} else if (address == straddress4_[4]) {
lease->hwaddr_ = vector<uint8_t>(6, 0x4c);
// Same ClientId as straddr4_[1]
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x53))); // Same as lease 1
lease->valid_lft_ = 7736;
lease->cltt_ = 222456;
lease->subnet_id_ = 85;
} else if (address == straddress4_[5]) {
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lease->hwaddr_ = vector<uint8_t>(6, 0x19); // Same as lease 1
// Same ClientId and IAID as straddress4_1
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x53))); // Same as lease 1
lease->valid_lft_ = 7832;
lease->cltt_ = 227476;
lease->subnet_id_ = 175;
} else if (address == straddress4_[6]) {
lease->hwaddr_ = vector<uint8_t>(6, 0x6e);
// Same ClientId as straddress4_1
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>(8, 0x53))); // Same as lease 1
lease->valid_lft_ = 1832;
lease->cltt_ = 627476;
lease->subnet_id_ = 112;
} else if (address == straddress4_[7]) {
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lease->hwaddr_ = vector<uint8_t>(); // Empty
lease->client_id_ = ClientIdPtr(
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new ClientId(vector<uint8_t>())); // Empty
lease->valid_lft_ = 7975;
lease->cltt_ = 213876;
lease->subnet_id_ = 19;
} else {
// Unknown address, return an empty pointer.
lease.reset();
}
return (lease);
}
/// @brief Initialize Lease6 Fields
///
/// Returns a pointer to a Lease6 structure. Different values are put into
/// the lease according to the address passed.
///
/// This is just a convenience function for the test methods.
///
/// @param address Address to use for the initialization
///
/// @return Lease6Ptr. This will not point to anything if the initialization
/// failed (e.g. unknown address).
Lease6Ptr initializeLease6(std::string address) {
Lease6Ptr lease(new Lease6());
// Set the address of the lease
lease->addr_ = IOAddress(address);
// Initialize unused fields.
lease->t1_ = 0; // Not saved
lease->t2_ = 0; // Not saved
lease->fixed_ = false; // Unused
lease->hostname_ = std::string(""); // Unused
lease->fqdn_fwd_ = false; // Unused
lease->fqdn_rev_ = false; // Unused
lease->comments_ = std::string(""); // Unused
// Set other parameters. For historical reasons, address 0 is not used.
if (address == straddress6_[0]) {
lease->type_ = Lease6::LEASE_IA_TA;
lease->prefixlen_ = 4;
lease->iaid_ = 142;
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0x77)));
lease->preferred_lft_ = 900;
lease->valid_lft_ = 8677;
lease->cltt_ = 168256;
lease->subnet_id_ = 23;
} else if (address == straddress6_[1]) {
lease->type_ = Lease6::LEASE_IA_TA;
lease->prefixlen_ = 0;
lease->iaid_ = 42;
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0x42)));
lease->preferred_lft_ = 3600;
lease->valid_lft_ = 3677;
lease->cltt_ = 123456;
lease->subnet_id_ = 73;
} else if (address == straddress6_[2]) {
lease->type_ = Lease6::LEASE_IA_PD;
lease->prefixlen_ = 7;
lease->iaid_ = 89;
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0x3a)));
lease->preferred_lft_ = 1800;
lease->valid_lft_ = 5412;
lease->cltt_ = 234567;
lease->subnet_id_ = 73; // Same as lease 1
} else if (address == straddress6_[3]) {
lease->type_ = Lease6::LEASE_IA_NA;
lease->prefixlen_ = 28;
lease->iaid_ = 0xfffffffe;
vector<uint8_t> duid;
for (uint8_t i = 31; i < 126; ++i) {
duid.push_back(i);
}
lease->duid_ = DuidPtr(new DUID(duid));
// The times used in the next tests are deliberately restricted - we
// should be able to cope with valid lifetimes up to 0xffffffff.
// However, this will lead to overflows.
// @TODO: test overflow conditions when code has been fixed
lease->preferred_lft_ = 7200;
lease->valid_lft_ = 7000;
lease->cltt_ = 234567;
lease->subnet_id_ = 37;
} else if (address == straddress6_[4]) {
// Same DUID and IAID as straddress6_1
lease->type_ = Lease6::LEASE_IA_PD;
lease->prefixlen_ = 15;
lease->iaid_ = 42;
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0x42)));
lease->preferred_lft_ = 4800;
lease->valid_lft_ = 7736;
lease->cltt_ = 222456;
lease->subnet_id_ = 671;
} else if (address == straddress6_[5]) {
// Same DUID and IAID as straddress6_1
lease->type_ = Lease6::LEASE_IA_PD;
lease->prefixlen_ = 24;
lease->iaid_ = 42; // Same as lease 4
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0x42)));
// Same as lease 4
lease->preferred_lft_ = 5400;
lease->valid_lft_ = 7832;
lease->cltt_ = 227476;
lease->subnet_id_ = 175;
} else if (address == straddress6_[6]) {
// Same DUID as straddress6_1
lease->type_ = Lease6::LEASE_IA_PD;
lease->prefixlen_ = 24;
lease->iaid_ = 93;
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0x42)));
// Same as lease 4
lease->preferred_lft_ = 5400;
lease->valid_lft_ = 1832;
lease->cltt_ = 627476;
lease->subnet_id_ = 112;
} else if (address == straddress6_[7]) {
// Same IAID as straddress6_1
lease->type_ = Lease6::LEASE_IA_PD;
lease->prefixlen_ = 24;
lease->iaid_ = 42;
lease->duid_ = DuidPtr(new DUID(vector<uint8_t>(8, 0xe5)));
lease->preferred_lft_ = 5600;
lease->valid_lft_ = 7975;
lease->cltt_ = 213876;
lease->subnet_id_ = 19;
} else {
// Unknown address, return an empty pointer.
lease.reset();
}
return (lease);
}
/// @brief Check Leases present and different
///
/// Checks a vector of lease pointers and ensures that all the leases
/// they point to are present and different. If not, a GTest assertion
/// will fail.
///
/// @param leases Vector of pointers to leases
template <typename T>
void checkLeasesDifferent(const std::vector<T> leases) const {
// Check they were created
for (int i = 0; i < leases.size(); ++i) {
ASSERT_TRUE(leases[i]);
}
// Check they are different
for (int i = 0; i < (leases.size() - 1); ++i) {
for (int j = (i + 1); j < leases.size(); ++j) {
stringstream s;
s << "Comparing leases " << i << " & " << j << " for equality";
SCOPED_TRACE(s.str());
EXPECT_TRUE(*leases[i] != *leases[j]);
}
}
}
/// @brief Creates leases for the test
///
/// Creates all leases for the test and checks that they are different.
///
/// @return vector<Lease4Ptr> Vector of pointers to leases
vector<Lease4Ptr> createLeases4() {
// Create leases for each address
vector<Lease4Ptr> leases;
for (int i = 0; i < straddress4_.size(); ++i) {
leases.push_back(initializeLease4(straddress4_[i]));
}
EXPECT_EQ(8, leases.size());
// Check all were created and that they are different.
checkLeasesDifferent(leases);
return (leases);
}
/// @brief Creates leases for the test
///
/// Creates all leases for the test and checks that they are different.
///
/// @return vector<Lease6Ptr> Vector of pointers to leases
vector<Lease6Ptr> createLeases6() {
// Create leases for each address
vector<Lease6Ptr> leases;
for (int i = 0; i < straddress6_.size(); ++i) {
leases.push_back(initializeLease6(straddress6_[i]));
}
EXPECT_EQ(8, leases.size());
// Check all were created and that they are different.
checkLeasesDifferent(leases);
return (leases);
}
// Member variables
LeaseMgr* lmptr_; ///< Pointer to the lease manager
vector<string> straddress4_; ///< String forms of IPv4 addresses
vector<IOAddress> ioaddress4_; ///< IOAddress forms of IPv4 addresses
vector<string> straddress6_; ///< String forms of IPv6 addresses
vector<IOAddress> ioaddress6_; ///< IOAddress forms of IPv6 addresses
};
///@{
/// @brief Test Utilities
///
/// The follow are a set of functions used during the tests.
/// @brief Compare two Lease4 structures for equality
void
detailCompareLease(const Lease4Ptr& first, const Lease4Ptr& second) {
// Compare address strings. Comparison of address objects is not used, as
// odd things happen when they are different: the EXPECT_EQ macro appears to
// call the operator uint32_t() function, which causes an exception to be
// thrown for IPv6 addresses.
EXPECT_EQ(first->addr_.toText(), second->addr_.toText());
EXPECT_TRUE(first->hwaddr_ == second->hwaddr_);
EXPECT_TRUE(*first->client_id_ == *second->client_id_);
EXPECT_EQ(first->valid_lft_, second->valid_lft_);
EXPECT_EQ(first->cltt_, second->cltt_);
EXPECT_EQ(first->subnet_id_, second->subnet_id_);
}
/// @brief Compare two Lease6 structures for equality
void
detailCompareLease(const Lease6Ptr& first, const Lease6Ptr& second) {
EXPECT_EQ(first->type_, second->type_);
// Compare address strings. Comparison of address objects is not used, as
// odd things happen when they are different: the EXPECT_EQ macro appears to
// call the operator uint32_t() function, which causes an exception to be
// thrown for IPv6 addresses.
EXPECT_EQ(first->addr_.toText(), second->addr_.toText());
EXPECT_EQ(first->prefixlen_, second->prefixlen_);
EXPECT_EQ(first->iaid_, second->iaid_);
EXPECT_TRUE(*first->duid_ == *second->duid_);
EXPECT_EQ(first->preferred_lft_, second->preferred_lft_);
EXPECT_EQ(first->valid_lft_, second->valid_lft_);
EXPECT_EQ(first->cltt_, second->cltt_);
EXPECT_EQ(first->subnet_id_, second->subnet_id_);
}
///@}
/// @brief Check that database can be opened
///
/// This test checks if the MySqlLeaseMgr can be instantiated. This happens
/// only if the database can be opened. Note that this is not part of the
/// MySqlLeaseMgr test fixure set. This test checks that the database can be
/// opened: the fixtures assume that and check basic operations.
TEST(MySqlOpenTest, OpenDatabase) {
// Schema needs to be created for the test to work.
destroySchema();
createSchema();
// Check that lease manager open the database opens correctly and tidy up.
// If it fails, print the error message.
try {
LeaseMgrFactory::create(validConnectionString());
EXPECT_NO_THROW((void) LeaseMgrFactory::instance());
LeaseMgrFactory::destroy();
} catch (const isc::Exception& ex) {
FAIL() << "*** ERROR: unable to open database, reason:\n"
<< " " << ex.what() << "\n"
<< "*** The test environment is broken and must be fixed\n"
<< "*** before the MySQL tests will run correctly.\n";
}
// Check that attempting to get an instance of the lease manager when
// none is set throws an exception.
EXPECT_THROW(LeaseMgrFactory::instance(), NoLeaseManager);
// Check that wrong specification of backend throws an exception.
// (This is really a check on LeaseMgrFactory, but is convenient to
// perform here.)
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
NULL, VALID_NAME, VALID_HOST, INVALID_USER, VALID_PASSWORD)),
InvalidParameter);
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
INVALID_TYPE, VALID_NAME, VALID_HOST, VALID_USER, VALID_PASSWORD)),
InvalidType);
// Check that invalid login data causes an exception.
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
VALID_TYPE, INVALID_NAME, VALID_HOST, VALID_USER, VALID_PASSWORD)),
DbOpenError);
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
VALID_TYPE, VALID_NAME, INVALID_HOST, VALID_USER, VALID_PASSWORD)),
DbOpenError);
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
VALID_TYPE, VALID_NAME, VALID_HOST, INVALID_USER, VALID_PASSWORD)),
DbOpenError);
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
VALID_TYPE, VALID_NAME, VALID_HOST, VALID_USER, INVALID_PASSWORD)),
DbOpenError);
// Check for missing parameters
EXPECT_THROW(LeaseMgrFactory::create(connectionString(
VALID_TYPE, NULL, VALID_HOST, INVALID_USER, VALID_PASSWORD)),
NoDatabaseName);
// Tidy up after the test
destroySchema();
}
/// @brief Check the getType() method
///
/// getType() returns a string giving the type of the backend, which should
/// always be "mysql".
TEST_F(MySqlLeaseMgrTest, getType) {
EXPECT_EQ(std::string("mysql"), lmptr_->getType());
}
/// @brief Check conversion functions
///
/// The server works using cltt and valid_filetime. In the database, the
/// information is stored as expire_time and valid-lifetime, which are
/// related by
///
/// expire_time = cltt + valid_lifetime
///
/// This test checks that the conversion is correct. It does not check that the
/// data is entered into the database correctly, only that the MYSQL_TIME
/// structure used for the entry is correctly set up.
TEST_F(MySqlLeaseMgrTest, checkTimeConversion) {
const time_t cltt = time(NULL);
const uint32_t valid_lft = 86400; // 1 day
struct tm tm_expire;
MYSQL_TIME mysql_expire;
// Work out what the broken-down time will be for one day
// after the current time.
time_t expire_time = cltt + valid_lft;
(void) localtime_r(&expire_time, &tm_expire);
// Convert to the database time
MySqlLeaseMgr::convertToDatabaseTime(cltt, valid_lft, mysql_expire);
// Are the times the same?
EXPECT_EQ(tm_expire.tm_year + 1900, mysql_expire.year);
EXPECT_EQ(tm_expire.tm_mon + 1, mysql_expire.month);
EXPECT_EQ(tm_expire.tm_mday, mysql_expire.day);
EXPECT_EQ(tm_expire.tm_hour, mysql_expire.hour);
EXPECT_EQ(tm_expire.tm_min, mysql_expire.minute);
EXPECT_EQ(tm_expire.tm_sec, mysql_expire.second);
EXPECT_EQ(0, mysql_expire.second_part);
EXPECT_EQ(0, mysql_expire.neg);
// Convert back
time_t converted_cltt = 0;
MySqlLeaseMgr::convertFromDatabaseTime(mysql_expire, valid_lft, converted_cltt);
EXPECT_EQ(cltt, converted_cltt);
}
/// @brief Check getName() returns correct database name
TEST_F(MySqlLeaseMgrTest, getName) {
EXPECT_EQ(std::string("keatest"), lmptr_->getName());
}
/// @brief Check that getVersion() returns the expected version
TEST_F(MySqlLeaseMgrTest, checkVersion) {
// Check version
pair<uint32_t, uint32_t> version;
ASSERT_NO_THROW(version = lmptr_->getVersion());
EXPECT_EQ(CURRENT_VERSION_VERSION, version.first);
EXPECT_EQ(CURRENT_VERSION_MINOR, version.second);
}
/// @brief Basic Lease4 Checks
///
/// Checks that the addLease, getLease4 (by address) and deleteLease4 works.
TEST_F(MySqlLeaseMgrTest, basicLease4) {
// Get the leases to be used for the test.
vector<Lease4Ptr> leases = createLeases4();
// Start the tests. Add three leases to the database, read them back and
// check they are what we think they are.
EXPECT_TRUE(lmptr_->addLease(leases[1]));
EXPECT_TRUE(lmptr_->addLease(leases[2]));
EXPECT_TRUE(lmptr_->addLease(leases[3]));
lmptr_->commit();
// Reopen the database to ensure that they actually got stored.
reopen();
Lease4Ptr l_returned = lmptr_->getLease4(ioaddress4_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
l_returned = lmptr_->getLease4(ioaddress4_[2]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[2], l_returned);
l_returned = lmptr_->getLease4(ioaddress4_[3]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[3], l_returned);
// Check that we can't add a second lease with the same address
EXPECT_FALSE(lmptr_->addLease(leases[1]));
// Delete a lease, check that it's gone, and that we can't delete it
// a second time.
EXPECT_TRUE(lmptr_->deleteLease4(ioaddress4_[1]));
l_returned = lmptr_->getLease4(ioaddress4_[1]);
EXPECT_FALSE(l_returned);
EXPECT_FALSE(lmptr_->deleteLease4(ioaddress4_[1]));
// Check that the second address is still there.
l_returned = lmptr_->getLease4(ioaddress4_[2]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[2], l_returned);
}
/// @brief Basic Lease6 Checks
///
/// Checks that the addLease, getLease6 (by address) and deleteLease6 works.
TEST_F(MySqlLeaseMgrTest, basicLease6) {
// Get the leases to be used for the test.
vector<Lease6Ptr> leases = createLeases6();
// Start the tests. Add three leases to the database, read them back and
// check they are what we think they are.
EXPECT_TRUE(lmptr_->addLease(leases[1]));
EXPECT_TRUE(lmptr_->addLease(leases[2]));
EXPECT_TRUE(lmptr_->addLease(leases[3]));
lmptr_->commit();
// Reopen the database to ensure that they actually got stored.
reopen();
Lease6Ptr l_returned = lmptr_->getLease6(ioaddress6_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
l_returned = lmptr_->getLease6(ioaddress6_[2]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[2], l_returned);
l_returned = lmptr_->getLease6(ioaddress6_[3]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[3], l_returned);
// Check that we can't add a second lease with the same address
EXPECT_FALSE(lmptr_->addLease(leases[1]));
// Delete a lease, check that it's gone, and that we can't delete it
// a second time.
EXPECT_TRUE(lmptr_->deleteLease6(ioaddress6_[1]));
l_returned = lmptr_->getLease6(ioaddress6_[1]);
EXPECT_FALSE(l_returned);
EXPECT_FALSE(lmptr_->deleteLease6(ioaddress6_[1]));
// Check that the second address is still there.
l_returned = lmptr_->getLease6(ioaddress6_[2]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[2], l_returned);
}
/// @brief Check GetLease4 methods - access by Hardware Address
///
/// Adds leases to the database and checks that they can be accessed via
/// a combination of DIUID and IAID.
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TEST_F(MySqlLeaseMgrTest, getLease4Hwaddr) {
// Get the leases to be used for the test and add to the database
vector<Lease4Ptr> leases = createLeases4();
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
// Get the leases matching the hardware address of lease 1
Lease4Collection returned = lmptr_->getLease4(leases[1]->hwaddr_);
// Should be three leases, matching leases[1], [3] and [5].
ASSERT_EQ(3, returned.size());
// Easiest way to check is to look at the addresses.
vector<string> addresses;
for (Lease4Collection::const_iterator i = returned.begin();
i != returned.end(); ++i) {
addresses.push_back((*i)->addr_.toText());
}
sort(addresses.begin(), addresses.end());
EXPECT_EQ(straddress4_[1], addresses[0]);
EXPECT_EQ(straddress4_[3], addresses[1]);
EXPECT_EQ(straddress4_[5], addresses[2]);
// Repeat test with just one expected match
returned = lmptr_->getLease4(leases[2]->hwaddr_);
EXPECT_EQ(1, returned.size());
detailCompareLease(leases[2], *returned.begin());
// Check that an empty vector is valid
EXPECT_TRUE(leases[7]->hwaddr_.empty());
returned = lmptr_->getLease4(leases[7]->hwaddr_);
EXPECT_EQ(1, returned.size());
detailCompareLease(leases[7], *returned.begin());
// Try to get something with invalid hardware address
vector<uint8_t> invalid(6, 0);
returned = lmptr_->getLease4(invalid);
EXPECT_EQ(0, returned.size());
}
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// @brief Get lease4 by hardware address (2)
//
// Check that the system can cope with getting a hardware address of
// any size.
TEST_F(MySqlLeaseMgrTest, getLease4HwaddrSize) {
// Create leases, although we need only one.
vector<Lease4Ptr> leases = createLeases4();
// Now add leases with increasing hardware address size.
for (uint8_t i = 0; i <= Lease4::HWADDR_MAX; ++i) {
leases[1]->hwaddr_.resize(i, i);
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease4Collection returned = lmptr_->getLease4(leases[1]->hwaddr_);
ASSERT_EQ(1, returned.size());
detailCompareLease(leases[1], *returned.begin());
(void) lmptr_->deleteLease4(leases[1]->addr_);
}
// Expect some problem when accessing a lease that had too long a hardware
// address. (The 42 is a random value put in each byte of the address.)
// In fact the address is stored in a truncated form, so we won't find it
// when we look.
// @todo Check if there is some way of detecting that data added
// to the database is truncated. There does not appear to
// be any indication in the C API.
leases[1]->hwaddr_.resize(Lease4::HWADDR_MAX + 100, 42);
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease4Collection returned = lmptr_->getLease4(leases[1]->hwaddr_);
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EXPECT_EQ(0, returned.size());
}
/// @brief Check GetLease4 methods - access by Hardware Address & Subnet ID
///
/// Adds leases to the database and checks that they can be accessed via
/// a combination of hardware address and subnet ID
TEST_F(MySqlLeaseMgrTest, getLease4HwaddrSubnetId) {
// Get the leases to be used for the test and add to the database
vector<Lease4Ptr> leases = createLeases4();
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
// Get the leases matching the hardware address of lease 1 and
// subnet ID of lease 1. Result should be a single lease - lease 1.
Lease4Ptr returned = lmptr_->getLease4(leases[1]->hwaddr_,
leases[1]->subnet_id_);
ASSERT_TRUE(returned);
detailCompareLease(leases[1], returned);
// Try for a match to the hardware address of lease 1 and the wrong
// subnet ID.
returned = lmptr_->getLease4(leases[1]->hwaddr_,
leases[1]->subnet_id_ + 1);
EXPECT_FALSE(returned);
// Try for a match to the subnet ID of lease 1 (and lease 4) but
// the wrong hardware address.
vector<uint8_t> invalid_hwaddr(15, 0x77);
returned = lmptr_->getLease4(invalid_hwaddr,
leases[1]->subnet_id_);
EXPECT_FALSE(returned);
// Try for a match to an unknown hardware address and an unknown
// subnet ID.
returned = lmptr_->getLease4(invalid_hwaddr,
leases[1]->subnet_id_ + 1);
EXPECT_FALSE(returned);
// Add a second lease with the same values as the first and check that
// an attempt to access the database by these parameters throws a
// "multiple records" exception. (We expect there to be only one record
// with that combination, so getting them via getLeaseX() (as opposed
// to getLeaseXCollection() should throw an exception.)
EXPECT_TRUE(lmptr_->deleteLease4(leases[2]->addr_));
leases[1]->addr_ = leases[2]->addr_;
EXPECT_TRUE(lmptr_->addLease(leases[1]));
EXPECT_THROW(returned = lmptr_->getLease4(leases[1]->hwaddr_,
leases[1]->subnet_id_),
isc::dhcp::MultipleRecords);
// Delete all leases in the database
for (int i = 0; ADDRESS4[i] != NULL; ++i) {
IOAddress addr(ADDRESS4[i]);
(void) lmptr_->deleteLease4(addr);
}
}
// @brief Get lease4 by hardware address and subnet ID (2)
//
// Check that the system can cope with getting a hardware address of
// any size.
TEST_F(MySqlLeaseMgrTest, getLease4HwaddrSubnetIdSize) {
// Create leases, although we need only one.
vector<Lease4Ptr> leases = createLeases4();
// Now add leases with increasing hardware address size and check
// that they can be retrieved.
for (uint8_t i = 0; i <= Lease4::HWADDR_MAX; ++i) {
leases[1]->hwaddr_.resize(i, i);
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease4Ptr returned = lmptr_->getLease4(leases[1]->hwaddr_,
leases[1]->subnet_id_);
ASSERT_TRUE(returned);
detailCompareLease(leases[1], returned);
(void) lmptr_->deleteLease4(leases[1]->addr_);
}
// Expect some error when getting a lease with too long a hardware
// address. Set the contents of each byte to 42, a random value.
// @todo Check if there is some way of detecting that data added
// to the database is truncated. There does not appear to
// be any indication in the C API.
leases[1]->hwaddr_.resize(Lease4::HWADDR_MAX + 100, 42);
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease4Ptr returned = lmptr_->getLease4(leases[1]->hwaddr_,
leases[1]->subnet_id_);
EXPECT_FALSE(returned);
}
/// @brief Check GetLease4 methods - access by Client ID
///
/// Adds leases to the database and checks that they can be accessed via
/// the Client ID.
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TEST_F(MySqlLeaseMgrTest, getLease4ClientId) {
// Get the leases to be used for the test and add to the database
vector<Lease4Ptr> leases = createLeases4();
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
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// Get the leases matching the Client ID address of lease 1
Lease4Collection returned = lmptr_->getLease4(*leases[1]->client_id_);
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// Should be four leases, matching leases[1], [4], [5] and [6].
ASSERT_EQ(4, returned.size());
// Easiest way to check is to look at the addresses.
vector<string> addresses;
for (Lease4Collection::const_iterator i = returned.begin();
i != returned.end(); ++i) {
addresses.push_back((*i)->addr_.toText());
}
sort(addresses.begin(), addresses.end());
EXPECT_EQ(straddress4_[1], addresses[0]);
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EXPECT_EQ(straddress4_[4], addresses[1]);
EXPECT_EQ(straddress4_[5], addresses[2]);
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EXPECT_EQ(straddress4_[6], addresses[3]);
// Repeat test with just one expected match
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returned = lmptr_->getLease4(*leases[3]->client_id_);
EXPECT_EQ(1, returned.size());
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detailCompareLease(leases[3], *returned.begin());
// Check that an empty vector is valid
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EXPECT_TRUE(leases[7]->client_id_->getClientId().empty());
returned = lmptr_->getLease4(leases[7]->hwaddr_);
EXPECT_EQ(1, returned.size());
detailCompareLease(leases[7], *returned.begin());
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// Try to get something with invalid client ID
const uint8_t invalid_data[] = {0, 0, 0};
ClientId invalid(invalid_data, sizeof(invalid_data));
returned = lmptr_->getLease4(invalid);
EXPECT_EQ(0, returned.size());
}
// @brief Get Lease4 by client ID (2)
//
// Check that the system can cope with a client ID of any size.
TEST_F(MySqlLeaseMgrTest, getLease4ClientIdSize) {
// Create leases, although we need only one.
vector<Lease4Ptr> leases = createLeases4();
// Now add leases with increasing Client ID size can be retrieved.
// For speed, go from 0 to 128 is steps of 16.
// Intermediate client_id_max is to overcome problem if
// ClientId::MAX_CLIENT_ID_LEN is used in an EXPECT_EQ.
int client_id_max = ClientId::MAX_CLIENT_ID_LEN;
EXPECT_EQ(128, client_id_max);
for (uint8_t i = 0; i <= client_id_max; i += 16) {
vector<uint8_t> clientid_vec(i, i);
leases[1]->client_id_.reset(new ClientId(clientid_vec));
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease4Collection returned = lmptr_->getLease4(*leases[1]->client_id_);
ASSERT_TRUE(returned.size() == 1);
detailCompareLease(leases[1], *returned.begin());
(void) lmptr_->deleteLease4(leases[1]->addr_);
}
// Don't bother to check client IDs longer than the maximum -
// these cannot be constructed, and that limitation is tested
// in the DUID/Client ID unit tests.
}
/// @brief Check GetLease4 methods - access by Client ID & Subnet ID
///
/// Adds leases to the database and checks that they can be accessed via
/// a combination of client and subnet IDs.
TEST_F(MySqlLeaseMgrTest, getLease4ClientIdSubnetId) {
// Get the leases to be used for the test and add to the database
vector<Lease4Ptr> leases = createLeases4();
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
// Get the leases matching the client ID of lease 1 and
// subnet ID of lease 1. Result should be a single lease - lease 1.
Lease4Ptr returned = lmptr_->getLease4(*leases[1]->client_id_,
leases[1]->subnet_id_);
ASSERT_TRUE(returned);
detailCompareLease(leases[1], returned);
// Try for a match to the client ID of lease 1 and the wrong
// subnet ID.
returned = lmptr_->getLease4(*leases[1]->client_id_,
leases[1]->subnet_id_ + 1);
EXPECT_FALSE(returned);
// Try for a match to the subnet ID of lease 1 (and lease 4) but
// the wrong client ID
const uint8_t invalid_data[] = {0, 0, 0};
ClientId invalid(invalid_data, sizeof(invalid_data));
returned = lmptr_->getLease4(invalid, leases[1]->subnet_id_);
EXPECT_FALSE(returned);
// Try for a match to an unknown hardware address and an unknown
// subnet ID.
returned = lmptr_->getLease4(invalid, leases[1]->subnet_id_ + 1);
EXPECT_FALSE(returned);
}
/// @brief Check GetLease6 methods - access by DUID/IAID
///
/// Adds leases to the database and checks that they can be accessed via
/// a combination of DIUID and IAID.
TEST_F(MySqlLeaseMgrTest, getLease6DuidIaid) {
// Get the leases to be used for the test.
vector<Lease6Ptr> leases = createLeases6();
ASSERT_LE(6, leases.size()); // Expect to access leases 0 through 5
// Add them to the database
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
// Get the leases matching the DUID and IAID of lease[1].
Lease6Collection returned = lmptr_->getLease6(*leases[1]->duid_,
leases[1]->iaid_);
// Should be three leases, matching leases[1], [4] and [5].
ASSERT_EQ(3, returned.size());
// Easiest way to check is to look at the addresses.
vector<string> addresses;
for (Lease6Collection::const_iterator i = returned.begin();
i != returned.end(); ++i) {
addresses.push_back((*i)->addr_.toText());
}
sort(addresses.begin(), addresses.end());
EXPECT_EQ(straddress6_[1], addresses[0]);
EXPECT_EQ(straddress6_[4], addresses[1]);
EXPECT_EQ(straddress6_[5], addresses[2]);
// Check that nothing is returned when either the IAID or DUID match
// nothing.
returned = lmptr_->getLease6(*leases[1]->duid_, leases[1]->iaid_ + 1);
EXPECT_EQ(0, returned.size());
// Alter the leases[1] DUID to match nothing in the database.
vector<uint8_t> duid_vector = leases[1]->duid_->getDuid();
++duid_vector[0];
DUID new_duid(duid_vector);
returned = lmptr_->getLease6(new_duid, leases[1]->iaid_);
EXPECT_EQ(0, returned.size());
}
// @brief Get Lease4 by DUID and IAID (2)
//
// Check that the system can cope with a DUID of any size.
TEST_F(MySqlLeaseMgrTest, getLease6DuidIaidSize) {
// Create leases, although we need only one.
vector<Lease6Ptr> leases = createLeases6();
// Now add leases with increasing DUID size can be retrieved.
// For speed, go from 0 to 128 is steps of 16.
int duid_max = DUID::MAX_DUID_LEN;
EXPECT_EQ(128, duid_max);
for (uint8_t i = 0; i <= duid_max; i += 16) {
vector<uint8_t> duid_vec(i, i);
leases[1]->duid_.reset(new DUID(duid_vec));
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease6Collection returned = lmptr_->getLease6(*leases[1]->duid_,
leases[1]->iaid_);
EXPECT_EQ(1, returned.size());
detailCompareLease(leases[1], *returned.begin());
(void) lmptr_->deleteLease6(leases[1]->addr_);
}
// Don't bother to check DUIDs longer than the maximum - these cannot be
// constructed, and that limitation is tested in the DUID/Client ID unit
// tests.
}
/// @brief Check GetLease6 methods - access by DUID/IAID/SubnetID
///
/// Adds leases to the database and checks that they can be accessed via
/// a combination of DIUID and IAID.
TEST_F(MySqlLeaseMgrTest, getLease6DuidIaidSubnetId) {
// Get the leases to be used for the test and add them to the database.
vector<Lease6Ptr> leases = createLeases6();
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
// Get the leases matching the DUID and IAID of lease[1].
Lease6Ptr returned = lmptr_->getLease6(*leases[1]->duid_,
leases[1]->iaid_,
leases[1]->subnet_id_);
ASSERT_TRUE(returned);
EXPECT_TRUE(*returned == *leases[1]);
// Modify each of the three parameters (DUID, IAID, Subnet ID) and
// check that nothing is returned.
returned = lmptr_->getLease6(*leases[1]->duid_, leases[1]->iaid_ + 1,
leases[1]->subnet_id_);
EXPECT_FALSE(returned);
returned = lmptr_->getLease6(*leases[1]->duid_, leases[1]->iaid_,
leases[1]->subnet_id_ + 1);
EXPECT_FALSE(returned);
// Alter the leases[1] DUID to match nothing in the database.
vector<uint8_t> duid_vector = leases[1]->duid_->getDuid();
++duid_vector[0];
DUID new_duid(duid_vector);
returned = lmptr_->getLease6(new_duid, leases[1]->iaid_,
leases[1]->subnet_id_);
EXPECT_FALSE(returned);
}
// @brief Get Lease4 by DUID, IAID & subnet ID (2)
//
// Check that the system can cope with a DUID of any size.
TEST_F(MySqlLeaseMgrTest, getLease6DuidIaidSubnetIdSize) {
// Create leases, although we need only one.
vector<Lease6Ptr> leases = createLeases6();
// Now add leases with increasing DUID size can be retrieved.
// For speed, go from 0 to 128 is steps of 16.
int duid_max = DUID::MAX_DUID_LEN;
EXPECT_EQ(128, duid_max);
for (uint8_t i = 0; i <= duid_max; i += 16) {
vector<uint8_t> duid_vec(i, i);
leases[1]->duid_.reset(new DUID(duid_vec));
EXPECT_TRUE(lmptr_->addLease(leases[1]));
Lease6Ptr returned = lmptr_->getLease6(*leases[1]->duid_,
leases[1]->iaid_,
leases[1]->subnet_id_);
ASSERT_TRUE(returned);
detailCompareLease(leases[1], returned);
(void) lmptr_->deleteLease6(leases[1]->addr_);
}
// Don't bother to check DUIDs longer than the maximum - these cannot be
// constructed, and that limitation is tested in the DUID/Client ID unit
// tests.
}
/// @brief Lease4 update tests
///
/// Checks that we are able to update a lease in the database.
TEST_F(MySqlLeaseMgrTest, updateLease4) {
// Get the leases to be used for the test and add them to the database.
vector<Lease4Ptr> leases = createLeases4();
for (int i = 0; i < leases.size(); ++i) {
EXPECT_TRUE(lmptr_->addLease(leases[i]));
}
// Modify some fields in lease 1 (not the address) and update it.
++leases[1]->subnet_id_;
leases[1]->valid_lft_ *= 2;
lmptr_->updateLease4(leases[1]);
// ... and check what is returned is what is expected.
Lease4Ptr l_returned = lmptr_->getLease4(ioaddress4_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Alter the lease again and check.
++leases[1]->subnet_id_;
leases[1]->cltt_ += 6;
lmptr_->updateLease4(leases[1]);
// Explicitly clear the returned pointer before getting new data to ensure
// that the new data is returned.
l_returned.reset();
l_returned = lmptr_->getLease4(ioaddress4_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Check we can do an update without changing data.
lmptr_->updateLease4(leases[1]);
l_returned.reset();
l_returned = lmptr_->getLease4(ioaddress4_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Try updating a lease not in the database.
lmptr_->deleteLease4(ioaddress4_[2]);
EXPECT_THROW(lmptr_->updateLease4(leases[2]), isc::dhcp::NoSuchLease);
}
/// @brief Lease6 update tests
///
/// Checks that we are able to update a lease in the database.
TEST_F(MySqlLeaseMgrTest, updateLease6) {
// Get the leases to be used for the test.
vector<Lease6Ptr> leases = createLeases6();
ASSERT_LE(3, leases.size()); // Expect to access leases 0 through 2
// Add a lease to the database and check that the lease is there.
EXPECT_TRUE(lmptr_->addLease(leases[1]));
lmptr_->commit();
Lease6Ptr l_returned = lmptr_->getLease6(ioaddress6_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Modify some fields in lease 1 (not the address) and update it.
++leases[1]->iaid_;
leases[1]->type_ = Lease6::LEASE_IA_PD;
leases[1]->valid_lft_ *= 2;
lmptr_->updateLease6(leases[1]);
lmptr_->commit();
// ... and check what is returned is what is expected.
l_returned.reset();
l_returned = lmptr_->getLease6(ioaddress6_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Alter the lease again and check.
++leases[1]->iaid_;
leases[1]->type_ = Lease6::LEASE_IA_TA;
leases[1]->cltt_ += 6;
leases[1]->prefixlen_ = 93;
lmptr_->updateLease6(leases[1]);
l_returned.reset();
l_returned = lmptr_->getLease6(ioaddress6_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Check we can do an update without changing data.
lmptr_->updateLease6(leases[1]);
l_returned.reset();
l_returned = lmptr_->getLease6(ioaddress6_[1]);
ASSERT_TRUE(l_returned);
detailCompareLease(leases[1], l_returned);
// Try updating a lease not in the database.
EXPECT_THROW(lmptr_->updateLease6(leases[2]), isc::dhcp::NoSuchLease);
}
}; // Of anonymous namespace