hiredis/test.c

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C
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
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#include <strings.h>
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#include <sys/time.h>
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#include <assert.h>
#include <unistd.h>
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#include "hiredis.h"
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/* The following lines make up our testing "framework" :) */
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static int tests = 0, fails = 0;
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#define test(_s) { printf("#%02d ", ++tests); printf(_s); }
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#define test_cond(_c) if(_c) printf("PASSED\n"); else {printf("FAILED\n"); fails++;}
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static long long usec(void) {
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struct timeval tv;
gettimeofday(&tv,NULL);
return (((long long)tv.tv_sec)*1000000)+tv.tv_usec;
}
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static redisContext *blocking_context = NULL;
static void __connect(redisContext **target) {
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*target = blocking_context = redisConnect((char*)"127.0.0.1", 6379, NULL);
if (blocking_context->error != NULL) {
printf("Connection error: %s\n", blocking_context->error);
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exit(1);
}
}
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static void test_blocking_connection() {
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redisContext *c;
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redisReply *reply;
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__connect(&c);
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test("Returns I/O error when the connection is lost: ");
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reply = redisCommand(c,"QUIT");
test_cond(redisCommand(c,"PING") == NULL &&
strcasecmp(reply->reply,"OK") == 0 &&
strcmp(c->error,"read: Server closed the connection") == 0);
freeReplyObject(reply);
redisFree(c);
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__connect(&c); /* reconnect */
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test("Is able to deliver commands: ");
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reply = redisCommand(c,"PING");
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test_cond(reply->type == REDIS_REPLY_STRING &&
strcasecmp(reply->reply,"pong") == 0)
freeReplyObject(reply);
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/* Switch to DB 9 for testing, now that we know we can chat. */
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reply = redisCommand(c,"SELECT 9");
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freeReplyObject(reply);
/* Make sure the DB is emtpy */
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reply = redisCommand(c,"DBSIZE");
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if (reply->type != REDIS_REPLY_INTEGER ||
reply->integer != 0) {
printf("Sorry DB 9 is not empty, test can not continue\n");
exit(1);
} else {
printf("DB 9 is empty... test can continue\n");
}
freeReplyObject(reply);
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test("Is a able to send commands verbatim: ");
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reply = redisCommand(c,"SET foo bar");
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test_cond (reply->type == REDIS_REPLY_STRING &&
strcasecmp(reply->reply,"ok") == 0)
freeReplyObject(reply);
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test("%%s String interpolation works: ");
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reply = redisCommand(c,"SET %s %s","foo","hello world");
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freeReplyObject(reply);
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reply = redisCommand(c,"GET foo");
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test_cond(reply->type == REDIS_REPLY_STRING &&
strcmp(reply->reply,"hello world") == 0);
freeReplyObject(reply);
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test("%%b String interpolation works: ");
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reply = redisCommand(c,"SET %b %b","foo",3,"hello\x00world",11);
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freeReplyObject(reply);
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reply = redisCommand(c,"GET foo");
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test_cond(reply->type == REDIS_REPLY_STRING &&
memcmp(reply->reply,"hello\x00world",11) == 0)
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test("Binary reply length is correct: ");
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test_cond(sdslen(reply->reply) == 11)
freeReplyObject(reply);
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test("Can parse nil replies: ");
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reply = redisCommand(c,"GET nokey");
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test_cond(reply->type == REDIS_REPLY_NIL)
freeReplyObject(reply);
/* test 7 */
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test("Can parse integer replies: ");
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reply = redisCommand(c,"INCR mycounter");
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test_cond(reply->type == REDIS_REPLY_INTEGER && reply->integer == 1)
freeReplyObject(reply);
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test("Can parse multi bulk replies: ");
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freeReplyObject(redisCommand(c,"LPUSH mylist foo"));
freeReplyObject(redisCommand(c,"LPUSH mylist bar"));
reply = redisCommand(c,"LRANGE mylist 0 -1");
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test_cond(reply->type == REDIS_REPLY_ARRAY &&
reply->elements == 2 &&
!memcmp(reply->element[0]->reply,"bar",3) &&
!memcmp(reply->element[1]->reply,"foo",3))
freeReplyObject(reply);
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/* m/e with multi bulk reply *before* other reply.
* specifically test ordering of reply items to parse. */
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test("Can handle nested multi bulk replies: ");
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freeReplyObject(redisCommand(c,"MULTI"));
freeReplyObject(redisCommand(c,"LRANGE mylist 0 -1"));
freeReplyObject(redisCommand(c,"PING"));
reply = (redisCommand(c,"EXEC"));
test_cond(reply->type == REDIS_REPLY_ARRAY &&
reply->elements == 2 &&
reply->element[0]->type == REDIS_REPLY_ARRAY &&
reply->element[0]->elements == 2 &&
!memcmp(reply->element[0]->element[0]->reply,"bar",3) &&
!memcmp(reply->element[0]->element[1]->reply,"foo",3) &&
reply->element[1]->type == REDIS_REPLY_STRING &&
strcasecmp(reply->element[1]->reply,"pong") == 0);
freeReplyObject(reply);
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}
static void test_reply_reader() {
void *reader;
char *err;
int ret;
test("Error handling in reply parser: ");
reader = redisReplyReaderCreate(NULL);
redisReplyReaderFeed(reader,(char*)"@foo\r\n",6);
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ret = redisReplyReaderGetReply(reader,NULL);
err = redisReplyReaderGetError(reader);
test_cond(ret == REDIS_ERR &&
strcasecmp(err,"protocol error, got \"@\" as reply type byte") == 0);
redisReplyReaderFree(reader);
/* when the reply already contains multiple items, they must be free'd
* on an error. valgrind will bark when this doesn't happen. */
test("Memory cleanup in reply parser: ");
reader = redisReplyReaderCreate(NULL);
redisReplyReaderFeed(reader,(char*)"*2\r\n",4);
redisReplyReaderFeed(reader,(char*)"$5\r\nhello\r\n",11);
redisReplyReaderFeed(reader,(char*)"@foo\r\n",6);
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ret = redisReplyReaderGetReply(reader,NULL);
err = redisReplyReaderGetError(reader);
test_cond(ret == REDIS_ERR &&
strcasecmp(err,"protocol error, got \"@\" as reply type byte") == 0);
redisReplyReaderFree(reader);
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}
static void test_throughput() {
int i;
long long t1, t2;
redisContext *c = blocking_context;
redisReply **replies;
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test("Throughput:\n");
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for (i = 0; i < 500; i++)
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freeReplyObject(redisCommand(c,"LPUSH mylist foo"));
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replies = malloc(sizeof(redisReply*)*1000);
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t1 = usec();
for (i = 0; i < 1000; i++) replies[i] = redisCommand(c,"PING");
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t2 = usec();
for (i = 0; i < 1000; i++) freeReplyObject(replies[i]);
free(replies);
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printf("\t(1000x PING: %.2fs)\n", (t2-t1)/1000000.0);
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replies = malloc(sizeof(redisReply*)*1000);
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t1 = usec();
for (i = 0; i < 1000; i++) replies[i] = redisCommand(c,"LRANGE mylist 0 499");
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t2 = usec();
for (i = 0; i < 1000; i++) freeReplyObject(replies[i]);
free(replies);
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printf("\t(1000x LRANGE with 500 elements: %.2fs)\n", (t2-t1)/1000000.0);
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}
static void cleanup() {
redisContext *c = blocking_context;
redisReply *reply;
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/* Make sure we're on DB 9 */
reply = redisCommand(c,"SELECT 9");
assert(reply != NULL); freeReplyObject(reply);
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reply = redisCommand(c,"FLUSHDB");
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assert(reply != NULL); freeReplyObject(reply);
redisFree(c);
}
static long __test_callback_flags = 0;
static void __test_callback(redisContext *c, void *privdata) {
((void)c);
/* Shift to detect execution order */
__test_callback_flags <<= 8;
__test_callback_flags |= (long)privdata;
}
static long __test_reply_callback_flags = 0;
static void __test_reply_callback(redisContext *c, redisReply *reply, void *privdata) {
((void)c);
/* Shift to detect execution order */
__test_reply_callback_flags <<= 8;
__test_reply_callback_flags |= (long)privdata;
freeReplyObject(reply);
}
static void test_nonblocking_connection() {
redisContext *c;
int wdone = 0;
__test_callback_flags = 0;
test("Calls command callback when command is issued: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
redisSetCommandCallback(c,__test_callback,(void*)1);
redisCommand(c,"PING");
test_cond(__test_callback_flags == 1);
redisFree(c);
__test_callback_flags = 0;
test("Calls disconnect callback on redisDisconnect: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
redisSetDisconnectCallback(c,__test_callback,(void*)2);
redisDisconnect(c);
test_cond(__test_callback_flags == 2);
redisFree(c);
__test_callback_flags = 0;
test("Calls disconnect callback and free callback on redisFree: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
redisSetDisconnectCallback(c,__test_callback,(void*)2);
redisSetFreeCallback(c,__test_callback,(void*)4);
redisFree(c);
test_cond(__test_callback_flags == ((2 << 8) | 4));
test("redisBufferWrite against empty write buffer: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
test_cond(redisBufferWrite(c,&wdone) == REDIS_OK && wdone == 1);
redisFree(c);
test("redisBufferWrite against not yet connected fd: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
redisCommand(c,"PING");
test_cond(redisBufferWrite(c,NULL) == REDIS_ERR &&
strncmp(c->error,"write:",6) == 0);
redisFree(c);
test("redisBufferWrite against closed fd: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
redisCommand(c,"PING");
redisDisconnect(c);
test_cond(redisBufferWrite(c,NULL) == REDIS_ERR &&
strncmp(c->error,"write:",6) == 0);
redisFree(c);
wdone = __test_reply_callback_flags = 0;
test("Process callbacks in the right sequence: ");
c = redisConnectNonBlock("127.0.0.1", 6379, NULL);
redisCommandWithCallback(c,__test_reply_callback,(void*)1,"PING");
redisCommandWithCallback(c,__test_reply_callback,(void*)2,"PING");
redisCommandWithCallback(c,__test_reply_callback,(void*)3,"PING");
/* Write output buffer */
while(!wdone) {
usleep(500);
redisBufferWrite(c,&wdone);
}
/* Read until at least one callback is executed (the 3 replies will
* arrive in a single packet, causing all callbacks to be executed in
* a single pass). */
while(__test_reply_callback_flags == 0) {
assert(redisBufferRead(c) == REDIS_OK);
redisProcessCallbacks(c);
}
test_cond(__test_reply_callback_flags == 0x010203);
redisFree(c);
}
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int main(void) {
test_blocking_connection();
test_reply_reader();
test_nonblocking_connection();
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test_throughput();
cleanup();
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if (fails == 0) {
printf("ALL TESTS PASSED\n");
} else {
printf("*** %d TESTS FAILED ***\n", fails);
}
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return 0;
}