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zookeeper-souce-note/zookeeper-client/zookeeper-client-c/tests/TestZookeeperInit.cc
wangdan 68344c354a no message
2021-10-19 15:30:39 +08:00

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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <cppunit/extensions/HelperMacros.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <errno.h>
#include "Util.h"
#include "LibCMocks.h"
#include "ZKMocks.h"
#ifdef THREADED
#include "PthreadMocks.h"
#else
class MockPthreadsNull;
#endif
using namespace std;
class Zookeeper_init : public CPPUNIT_NS::TestFixture
{
CPPUNIT_TEST_SUITE(Zookeeper_init);
CPPUNIT_TEST(testBasic);
CPPUNIT_TEST(testAddressResolution);
CPPUNIT_TEST(testMultipleAddressResolution);
CPPUNIT_TEST(testNullAddressString);
CPPUNIT_TEST(testEmptyAddressString);
CPPUNIT_TEST(testOneSpaceAddressString);
CPPUNIT_TEST(testTwoSpacesAddressString);
CPPUNIT_TEST(testInvalidAddressString1);
CPPUNIT_TEST(testInvalidAddressString2);
CPPUNIT_TEST(testNonexistentHost);
CPPUNIT_TEST(testOutOfMemory_init);
CPPUNIT_TEST(testOutOfMemory_getaddrs1);
#if !defined(__CYGWIN__) // not valid for cygwin
CPPUNIT_TEST(testOutOfMemory_getaddrs2);
#endif
CPPUNIT_TEST(testPermuteAddrsList);
CPPUNIT_TEST_SUITE_END();
zhandle_t *zh;
MockPthreadsNull* pthreadMock;
static void watcher(zhandle_t *, int , int , const char *,void*){}
FILE *logfile;
public:
Zookeeper_init():zh(0),pthreadMock(0){
logfile = openlogfile("Zookeeper_init");
}
~Zookeeper_init() {
if (logfile) {
fflush(logfile);
fclose(logfile);
logfile = 0;
}
}
void setUp()
{
zoo_set_log_stream(logfile);
zoo_deterministic_conn_order(0);
#ifdef THREADED
// disable threading
pthreadMock=new MockPthreadZKNull;
#endif
zh=0;
}
void tearDown()
{
zookeeper_close(zh);
#ifdef THREADED
delete pthreadMock;
#endif
}
void testBasic()
{
const string EXPECTED_HOST("127.0.0.1:2121");
const unsigned int EXPECTED_ADDRS_COUNT =1;
const int EXPECTED_RECV_TIMEOUT=10000;
clientid_t cid;
memset(&cid,0xFE,sizeof(cid));
zh=zookeeper_init(EXPECTED_HOST.c_str(),watcher,EXPECTED_RECV_TIMEOUT,
&cid,(void*)1,0);
CPPUNIT_ASSERT(zh != NULL);
CPPUNIT_ASSERT(zh->fd->sock == -1);
CPPUNIT_ASSERT(zh->hostname != NULL);
CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDRS_COUNT,zh->addrs.count);
CPPUNIT_ASSERT_EQUAL(EXPECTED_HOST,string(zh->hostname));
CPPUNIT_ASSERT(zh->state == ZOO_NOTCONNECTED_STATE);
CPPUNIT_ASSERT(zh->context == (void*)1);
CPPUNIT_ASSERT_EQUAL(EXPECTED_RECV_TIMEOUT,zh->recv_timeout);
CPPUNIT_ASSERT(zh->watcher == watcher);
CPPUNIT_ASSERT(zh->addrs.next==0);
CPPUNIT_ASSERT(zh->primer_buffer.buffer==zh->primer_storage_buffer);
CPPUNIT_ASSERT(zh->primer_buffer.curr_offset ==0);
CPPUNIT_ASSERT(zh->primer_buffer.len == sizeof(zh->primer_storage_buffer));
CPPUNIT_ASSERT(zh->primer_buffer.next == 0);
CPPUNIT_ASSERT(zh->last_zxid ==0);
CPPUNIT_ASSERT(memcmp(&zh->client_id,&cid,sizeof(cid))==0);
#ifdef THREADED
// thread specific checks
adaptor_threads* adaptor=(adaptor_threads*)zh->adaptor_priv;
CPPUNIT_ASSERT(adaptor!=0);
CPPUNIT_ASSERT(pthreadMock->pthread_createCounter==2);
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(adaptor->io));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(adaptor->completion));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(&zh->to_process.lock));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(&zh->to_send.lock));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(&zh->sent_requests.lock));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(&zh->completions_to_process.lock));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(&zh->sent_requests.cond));
CPPUNIT_ASSERT(MockPthreadsNull::isInitialized(&zh->completions_to_process.cond));
#endif
}
void testAddressResolution()
{
const char EXPECTED_IPS[][4]={{127,0,0,1}};
const unsigned int EXPECTED_ADDRS_COUNT =COUNTOF(EXPECTED_IPS);
zoo_deterministic_conn_order(1);
zh=zookeeper_init("127.0.0.1:2121",0,10000,0,0,0);
CPPUNIT_ASSERT(zh!=0);
CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDRS_COUNT,zh->addrs.count);
for(unsigned int i=0;i<zh->addrs.count;i++){
sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs.data[i];
CPPUNIT_ASSERT(memcmp(EXPECTED_IPS[i],&addr->sin_addr,sizeof(addr->sin_addr))==0);
CPPUNIT_ASSERT_EQUAL(2121,(int)ntohs(addr->sin_port));
}
}
void testMultipleAddressResolution()
{
const string EXPECTED_HOST("127.0.0.1:2121,127.0.0.2:3434");
const char EXPECTED_IPS[][4]={{127,0,0,1},{127,0,0,2}};
const unsigned int EXPECTED_ADDRS_COUNT =COUNTOF(EXPECTED_IPS);
zoo_deterministic_conn_order(1);
zh=zookeeper_init(EXPECTED_HOST.c_str(),0,1000,0,0,0);
CPPUNIT_ASSERT(zh!=0);
CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDRS_COUNT,zh->addrs.count);
for(unsigned int i=0;i<zh->addrs.count;i++){
sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs.data[i];
CPPUNIT_ASSERT(memcmp(EXPECTED_IPS[i],&addr->sin_addr,sizeof(addr->sin_addr))==0);
if(i<1)
CPPUNIT_ASSERT_EQUAL(2121,(int)ntohs(addr->sin_port));
else
CPPUNIT_ASSERT_EQUAL(3434,(int)ntohs(addr->sin_port));
}
}
void testMultipleAddressWithSpace()
{
const string EXPECTED_HOST("127.0.0.1:2121, 127.0.0.2:3434");
const char EXPECTED_IPS[][4]={{127,0,0,1},{127,0,0,2}};
const unsigned int EXPECTED_ADDRS_COUNT =COUNTOF(EXPECTED_IPS);
zoo_deterministic_conn_order(1);
zh=zookeeper_init(EXPECTED_HOST.c_str(),0,1000,0,0,0);
CPPUNIT_ASSERT(zh!=0);
CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDRS_COUNT,zh->addrs.count);
for(unsigned int i=0;i<zh->addrs.count;i++){
sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs.data[i];
CPPUNIT_ASSERT(memcmp(EXPECTED_IPS[i],&addr->sin_addr,sizeof(addr->sin_addr))==0);
if(i<1)
CPPUNIT_ASSERT_EQUAL(2121,(int)ntohs(addr->sin_port));
else
CPPUNIT_ASSERT_EQUAL(3434,(int)ntohs(addr->sin_port));
}
}
void testNullAddressString()
{
zh=zookeeper_init(NULL,0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(EINVAL,errno);
}
void testEmptyAddressString()
{
const string INVALID_HOST("");
zh=zookeeper_init(INVALID_HOST.c_str(),0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(EINVAL,errno);
}
void testOneSpaceAddressString()
{
const string INVALID_HOST(" ");
zh=zookeeper_init(INVALID_HOST.c_str(),0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(EINVAL,errno);
}
void testTwoSpacesAddressString()
{
const string INVALID_HOST(" ");
zh=zookeeper_init(INVALID_HOST.c_str(),0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(EINVAL,errno);
}
void testInvalidAddressString1()
{
const string INVALID_HOST("host1");
zh=zookeeper_init(INVALID_HOST.c_str(),0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(EINVAL,errno);
}
void testInvalidAddressString2()
{
const string INVALID_HOST("host1:1111+host:123");
zh=zookeeper_init(INVALID_HOST.c_str(),0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT((ENOENT|EINVAL) & errno);
}
void testNonexistentHost()
{
const string EXPECTED_HOST("host1.blabadibla.bla.:1111");
zh=zookeeper_init(EXPECTED_HOST.c_str(),0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
//With the switch to thread safe getaddrinfo, we don't get
//these global variables
//CPPUNIT_ASSERT_EQUAL(EINVAL,errno);
//CPPUNIT_ASSERT_EQUAL(HOST_NOT_FOUND,h_errno);
}
void testOutOfMemory_init()
{
Mock_calloc mock;
mock.callsBeforeFailure=0; // fail first calloc in init()
zh=zookeeper_init("ahost:123",watcher,10000,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(ENOMEM,errno);
}
void testOutOfMemory_getaddrs1()
{
Mock_realloc reallocMock;
reallocMock.callsBeforeFailure=0; // fail on first call to realloc
zh=zookeeper_init("127.0.0.1:123",0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(ENOMEM,errno);
}
void testOutOfMemory_getaddrs2()
{
Mock_realloc reallocMock;
reallocMock.callsBeforeFailure=1; // fail on the second call to realloc
zh=zookeeper_init("127.0.0.1:123,127.0.0.2:123,127.0.0.3:123,127.0.0.4:123,127.0.0.5:123,127.0.0.6:123,127.0.0.7:123,127.0.0.8:123,127.0.0.9:123,127.0.0.10:123,127.0.0.11:123,127.0.0.12:123,127.0.0.13:123,127.0.0.14:123,127.0.0.15:123,127.0.0.16:123,127.0.0.17:123",0,0,0,0,0);
CPPUNIT_ASSERT(zh==0);
CPPUNIT_ASSERT_EQUAL(ENOMEM,errno);
}
void testPermuteAddrsList()
{
const char EXPECTED[][5]={"\0\0\0\0","\1\1\1\1","\2\2\2\2","\3\3\3\3"};
const unsigned int EXPECTED_ADDR_COUNT=COUNTOF(EXPECTED);
const int RAND_SEQ[]={0,1,1,-1};
const int RAND_SIZE=COUNTOF(RAND_SEQ);
Mock_random randomMock;
randomMock.randomReturns.assign(RAND_SEQ,RAND_SEQ+RAND_SIZE-1);
zh=zookeeper_init("0.0.0.0:123,1.1.1.1:123,2.2.2.2:123,3.3.3.3:123",0,1000,0,0,0);
CPPUNIT_ASSERT(zh!=0);
CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDR_COUNT,zh->addrs.count);
const string EXPECTED_SEQ("3210");
char ACTUAL_SEQ[EXPECTED_ADDR_COUNT+1]; ACTUAL_SEQ[EXPECTED_ADDR_COUNT]=0;
for(unsigned int i=0;i<zh->addrs.count;i++){
sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs.data[i];
// match the first byte of the EXPECTED and of the actual address
ACTUAL_SEQ[i]=((char*)&addr->sin_addr)[0]+'0';
}
CPPUNIT_ASSERT_EQUAL(EXPECTED_SEQ,string(ACTUAL_SEQ));
}
};
CPPUNIT_TEST_SUITE_REGISTRATION(Zookeeper_init);
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