/* * Copyright 2008, Yahoo! Inc. * * Licensed 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 #include #include #include #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(testInvalidAddressString1); CPPUNIT_TEST(testInvalidAddressString2); CPPUNIT_TEST(testNonexistentHost); CPPUNIT_TEST(testOutOfMemory_init); CPPUNIT_TEST(testOutOfMemory_getaddrs1); CPPUNIT_TEST(testOutOfMemory_getaddrs2); CPPUNIT_TEST(testPermuteAddrsList); CPPUNIT_TEST_SUITE_END(); zhandle_t *zh; MockPthreadsNull* pthreadMock; static void watcher(zhandle_t *, int , int , const char *){} public: Zookeeper_init():zh(0),pthreadMock(0){} void setUp() { zoo_set_debug_level((ZooLogLevel)0); // disable logging 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("localhost:2121"); const 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!=0); CPPUNIT_ASSERT(zh->fd == -1); CPPUNIT_ASSERT(zh->hostname!=0); CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDRS_COUNT,zh->addrs_count); CPPUNIT_ASSERT_EQUAL(EXPECTED_HOST,string(zh->hostname)); CPPUNIT_ASSERT(zh->state == 0); CPPUNIT_ASSERT(zh->context == (void*)1); CPPUNIT_ASSERT_EQUAL(EXPECTED_RECV_TIMEOUT,zh->recv_timeout); CPPUNIT_ASSERT(zh->watcher == watcher); CPPUNIT_ASSERT(zh->connect_index==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},{127,0,0,2},{127,0,0,3}}; const int EXPECTED_ADDRS_COUNT =COUNTOF(EXPECTED_IPS); Mock_gethostbyname mock; mock.addHostEntry("somehostname").addAddress(EXPECTED_IPS[0]). addAddress(EXPECTED_IPS[1]).addAddress(EXPECTED_IPS[2]); zoo_deterministic_conn_order(1); zh=zookeeper_init("host:2121",0,10000,0,0,0); CPPUNIT_ASSERT(zh!=0); CPPUNIT_ASSERT_EQUAL(EXPECTED_ADDRS_COUNT,zh->addrs_count); for(int i=0;iaddrs_count;i++){ sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs[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("host1:2121,host2:3434"); const char EXPECTED_IPS[][4]={{127,0,0,1},{127,0,0,2},{127,0,0,3}, {126,1,1,1},{126,2,2,2}}; const int EXPECTED_ADDRS_COUNT =COUNTOF(EXPECTED_IPS); Mock_gethostbyname mock; mock.addHostEntry("somehost1").addAddress(EXPECTED_IPS[0]). addAddress(EXPECTED_IPS[1]).addAddress(EXPECTED_IPS[2]); mock.addHostEntry("somehost2").addAddress(EXPECTED_IPS[3]). addAddress(EXPECTED_IPS[4]); 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(int i=0;iaddrs_count;i++){ sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs[i]; CPPUNIT_ASSERT(memcmp(EXPECTED_IPS[i],&addr->sin_addr,sizeof(addr->sin_addr))==0); if(i<3) CPPUNIT_ASSERT_EQUAL(2121,(int)ntohs(addr->sin_port)); else CPPUNIT_ASSERT_EQUAL(3434,(int)ntohs(addr->sin_port)); } } 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_EQUAL(EINVAL,errno); } void testNonexistentHost() { const string EXPECTED_HOST("host1:1111"); MockFailed_gethostbyname mock; zh=zookeeper_init(EXPECTED_HOST.c_str(),0,0,0,0,0); CPPUNIT_ASSERT(zh==0); 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 Mock_gethostbyname gethostbynameMock; gethostbynameMock.addHostEntry("ahost").addAddress("\1\1\1\1"); zh=zookeeper_init("ahost:123",0,0,0,0,0); CPPUNIT_ASSERT(zh==0); CPPUNIT_ASSERT_EQUAL(ENOMEM,errno); } void testOutOfMemory_getaddrs2() { const char ADDR[]="\1\1\1\1"; Mock_realloc reallocMock; reallocMock.callsBeforeFailure=1; // fail on the second call to realloc Mock_gethostbyname gethostbynameMock; // need >16 IPs to get realloc called the second time gethostbynameMock.addHostEntry("ahost"). addAddress(ADDR).addAddress(ADDR).addAddress(ADDR).addAddress(ADDR). addAddress(ADDR).addAddress(ADDR).addAddress(ADDR).addAddress(ADDR). addAddress(ADDR).addAddress(ADDR).addAddress(ADDR).addAddress(ADDR). addAddress(ADDR).addAddress(ADDR).addAddress(ADDR).addAddress(ADDR). addAddress(ADDR); zh=zookeeper_init("ahost: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 int EXPECTED_ADDR_COUNT=COUNTOF(EXPECTED); Mock_gethostbyname gethostbynameMock; gethostbynameMock.addHostEntry("ahost"). addAddress(EXPECTED[0]).addAddress(EXPECTED[1]). addAddress(EXPECTED[2]).addAddress(EXPECTED[3]); const int RAND_SEQ[]={0,1,2,3,1,3,2,0,-1}; const int RAND_SIZE=COUNTOF(RAND_SEQ); Mock_random randomMock; randomMock.randomReturns.assign(RAND_SEQ,RAND_SEQ+RAND_SIZE-1); zh=zookeeper_init("ahost: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(int i=0;iaddrs_count;i++){ sockaddr_in* addr=(struct sockaddr_in*)&zh->addrs[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);