xref: /f-stack/app/redis-5.0.5/deps/hiredis/test.c (revision 572c4311)
1 #include "fmacros.h"
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <string.h>
5 #include <strings.h>
6 #include <sys/time.h>
7 #include <assert.h>
8 #include <unistd.h>
9 #include <signal.h>
10 #include <errno.h>
11 #include <limits.h>
12 
13 #include "hiredis.h"
14 #include "net.h"
15 
16 enum connection_type {
17     CONN_TCP,
18     CONN_UNIX,
19     CONN_FD
20 };
21 
22 struct config {
23     enum connection_type type;
24 
25     struct {
26         const char *host;
27         int port;
28         struct timeval timeout;
29     } tcp;
30 
31     struct {
32         const char *path;
33     } unix_sock;
34 };
35 
36 /* The following lines make up our testing "framework" :) */
37 static int tests = 0, fails = 0;
38 #define test(_s) { printf("#%02d ", ++tests); printf(_s); }
39 #define test_cond(_c) if(_c) printf("\033[0;32mPASSED\033[0;0m\n"); else {printf("\033[0;31mFAILED\033[0;0m\n"); fails++;}
40 
usec(void)41 static long long usec(void) {
42     struct timeval tv;
43     gettimeofday(&tv,NULL);
44     return (((long long)tv.tv_sec)*1000000)+tv.tv_usec;
45 }
46 
47 /* The assert() calls below have side effects, so we need assert()
48  * even if we are compiling without asserts (-DNDEBUG). */
49 #ifdef NDEBUG
50 #undef assert
51 #define assert(e) (void)(e)
52 #endif
53 
select_database(redisContext * c)54 static redisContext *select_database(redisContext *c) {
55     redisReply *reply;
56 
57     /* Switch to DB 9 for testing, now that we know we can chat. */
58     reply = redisCommand(c,"SELECT 9");
59     assert(reply != NULL);
60     freeReplyObject(reply);
61 
62     /* Make sure the DB is emtpy */
63     reply = redisCommand(c,"DBSIZE");
64     assert(reply != NULL);
65     if (reply->type == REDIS_REPLY_INTEGER && reply->integer == 0) {
66         /* Awesome, DB 9 is empty and we can continue. */
67         freeReplyObject(reply);
68     } else {
69         printf("Database #9 is not empty, test can not continue\n");
70         exit(1);
71     }
72 
73     return c;
74 }
75 
disconnect(redisContext * c,int keep_fd)76 static int disconnect(redisContext *c, int keep_fd) {
77     redisReply *reply;
78 
79     /* Make sure we're on DB 9. */
80     reply = redisCommand(c,"SELECT 9");
81     assert(reply != NULL);
82     freeReplyObject(reply);
83     reply = redisCommand(c,"FLUSHDB");
84     assert(reply != NULL);
85     freeReplyObject(reply);
86 
87     /* Free the context as well, but keep the fd if requested. */
88     if (keep_fd)
89         return redisFreeKeepFd(c);
90     redisFree(c);
91     return -1;
92 }
93 
connect(struct config config)94 static redisContext *connect(struct config config) {
95     redisContext *c = NULL;
96 
97     if (config.type == CONN_TCP) {
98         c = redisConnect(config.tcp.host, config.tcp.port);
99     } else if (config.type == CONN_UNIX) {
100         c = redisConnectUnix(config.unix_sock.path);
101     } else if (config.type == CONN_FD) {
102         /* Create a dummy connection just to get an fd to inherit */
103         redisContext *dummy_ctx = redisConnectUnix(config.unix_sock.path);
104         if (dummy_ctx) {
105             int fd = disconnect(dummy_ctx, 1);
106             printf("Connecting to inherited fd %d\n", fd);
107             c = redisConnectFd(fd);
108         }
109     } else {
110         assert(NULL);
111     }
112 
113     if (c == NULL) {
114         printf("Connection error: can't allocate redis context\n");
115         exit(1);
116     } else if (c->err) {
117         printf("Connection error: %s\n", c->errstr);
118         redisFree(c);
119         exit(1);
120     }
121 
122     return select_database(c);
123 }
124 
test_format_commands(void)125 static void test_format_commands(void) {
126     char *cmd;
127     int len;
128 
129     test("Format command without interpolation: ");
130     len = redisFormatCommand(&cmd,"SET foo bar");
131     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$3\r\nbar\r\n",len) == 0 &&
132         len == 4+4+(3+2)+4+(3+2)+4+(3+2));
133     free(cmd);
134 
135     test("Format command with %%s string interpolation: ");
136     len = redisFormatCommand(&cmd,"SET %s %s","foo","bar");
137     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$3\r\nbar\r\n",len) == 0 &&
138         len == 4+4+(3+2)+4+(3+2)+4+(3+2));
139     free(cmd);
140 
141     test("Format command with %%s and an empty string: ");
142     len = redisFormatCommand(&cmd,"SET %s %s","foo","");
143     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$0\r\n\r\n",len) == 0 &&
144         len == 4+4+(3+2)+4+(3+2)+4+(0+2));
145     free(cmd);
146 
147     test("Format command with an empty string in between proper interpolations: ");
148     len = redisFormatCommand(&cmd,"SET %s %s","","foo");
149     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$0\r\n\r\n$3\r\nfoo\r\n",len) == 0 &&
150         len == 4+4+(3+2)+4+(0+2)+4+(3+2));
151     free(cmd);
152 
153     test("Format command with %%b string interpolation: ");
154     len = redisFormatCommand(&cmd,"SET %b %b","foo",(size_t)3,"b\0r",(size_t)3);
155     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$3\r\nb\0r\r\n",len) == 0 &&
156         len == 4+4+(3+2)+4+(3+2)+4+(3+2));
157     free(cmd);
158 
159     test("Format command with %%b and an empty string: ");
160     len = redisFormatCommand(&cmd,"SET %b %b","foo",(size_t)3,"",(size_t)0);
161     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$0\r\n\r\n",len) == 0 &&
162         len == 4+4+(3+2)+4+(3+2)+4+(0+2));
163     free(cmd);
164 
165     test("Format command with literal %%: ");
166     len = redisFormatCommand(&cmd,"SET %% %%");
167     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$1\r\n%\r\n$1\r\n%\r\n",len) == 0 &&
168         len == 4+4+(3+2)+4+(1+2)+4+(1+2));
169     free(cmd);
170 
171     /* Vararg width depends on the type. These tests make sure that the
172      * width is correctly determined using the format and subsequent varargs
173      * can correctly be interpolated. */
174 #define INTEGER_WIDTH_TEST(fmt, type) do {                                                \
175     type value = 123;                                                                     \
176     test("Format command with printf-delegation (" #type "): ");                          \
177     len = redisFormatCommand(&cmd,"key:%08" fmt " str:%s", value, "hello");               \
178     test_cond(strncmp(cmd,"*2\r\n$12\r\nkey:00000123\r\n$9\r\nstr:hello\r\n",len) == 0 && \
179         len == 4+5+(12+2)+4+(9+2));                                                       \
180     free(cmd);                                                                            \
181 } while(0)
182 
183 #define FLOAT_WIDTH_TEST(type) do {                                                       \
184     type value = 123.0;                                                                   \
185     test("Format command with printf-delegation (" #type "): ");                          \
186     len = redisFormatCommand(&cmd,"key:%08.3f str:%s", value, "hello");                   \
187     test_cond(strncmp(cmd,"*2\r\n$12\r\nkey:0123.000\r\n$9\r\nstr:hello\r\n",len) == 0 && \
188         len == 4+5+(12+2)+4+(9+2));                                                       \
189     free(cmd);                                                                            \
190 } while(0)
191 
192     INTEGER_WIDTH_TEST("d", int);
193     INTEGER_WIDTH_TEST("hhd", char);
194     INTEGER_WIDTH_TEST("hd", short);
195     INTEGER_WIDTH_TEST("ld", long);
196     INTEGER_WIDTH_TEST("lld", long long);
197     INTEGER_WIDTH_TEST("u", unsigned int);
198     INTEGER_WIDTH_TEST("hhu", unsigned char);
199     INTEGER_WIDTH_TEST("hu", unsigned short);
200     INTEGER_WIDTH_TEST("lu", unsigned long);
201     INTEGER_WIDTH_TEST("llu", unsigned long long);
202     FLOAT_WIDTH_TEST(float);
203     FLOAT_WIDTH_TEST(double);
204 
205     test("Format command with invalid printf format: ");
206     len = redisFormatCommand(&cmd,"key:%08p %b",(void*)1234,"foo",(size_t)3);
207     test_cond(len == -1);
208 
209     const char *argv[3];
210     argv[0] = "SET";
211     argv[1] = "foo\0xxx";
212     argv[2] = "bar";
213     size_t lens[3] = { 3, 7, 3 };
214     int argc = 3;
215 
216     test("Format command by passing argc/argv without lengths: ");
217     len = redisFormatCommandArgv(&cmd,argc,argv,NULL);
218     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$3\r\nbar\r\n",len) == 0 &&
219         len == 4+4+(3+2)+4+(3+2)+4+(3+2));
220     free(cmd);
221 
222     test("Format command by passing argc/argv with lengths: ");
223     len = redisFormatCommandArgv(&cmd,argc,argv,lens);
224     test_cond(strncmp(cmd,"*3\r\n$3\r\nSET\r\n$7\r\nfoo\0xxx\r\n$3\r\nbar\r\n",len) == 0 &&
225         len == 4+4+(3+2)+4+(7+2)+4+(3+2));
226     free(cmd);
227 
228     sds sds_cmd;
229 
230     sds_cmd = sdsempty();
231     test("Format command into sds by passing argc/argv without lengths: ");
232     len = redisFormatSdsCommandArgv(&sds_cmd,argc,argv,NULL);
233     test_cond(strncmp(sds_cmd,"*3\r\n$3\r\nSET\r\n$3\r\nfoo\r\n$3\r\nbar\r\n",len) == 0 &&
234         len == 4+4+(3+2)+4+(3+2)+4+(3+2));
235     sdsfree(sds_cmd);
236 
237     sds_cmd = sdsempty();
238     test("Format command into sds by passing argc/argv with lengths: ");
239     len = redisFormatSdsCommandArgv(&sds_cmd,argc,argv,lens);
240     test_cond(strncmp(sds_cmd,"*3\r\n$3\r\nSET\r\n$7\r\nfoo\0xxx\r\n$3\r\nbar\r\n",len) == 0 &&
241         len == 4+4+(3+2)+4+(7+2)+4+(3+2));
242     sdsfree(sds_cmd);
243 }
244 
test_append_formatted_commands(struct config config)245 static void test_append_formatted_commands(struct config config) {
246     redisContext *c;
247     redisReply *reply;
248     char *cmd;
249     int len;
250 
251     c = connect(config);
252 
253     test("Append format command: ");
254 
255     len = redisFormatCommand(&cmd, "SET foo bar");
256 
257     test_cond(redisAppendFormattedCommand(c, cmd, len) == REDIS_OK);
258 
259     assert(redisGetReply(c, (void*)&reply) == REDIS_OK);
260 
261     free(cmd);
262     freeReplyObject(reply);
263 
264     disconnect(c, 0);
265 }
266 
test_reply_reader(void)267 static void test_reply_reader(void) {
268     redisReader *reader;
269     void *reply;
270     int ret;
271     int i;
272 
273     test("Error handling in reply parser: ");
274     reader = redisReaderCreate();
275     redisReaderFeed(reader,(char*)"@foo\r\n",6);
276     ret = redisReaderGetReply(reader,NULL);
277     test_cond(ret == REDIS_ERR &&
278               strcasecmp(reader->errstr,"Protocol error, got \"@\" as reply type byte") == 0);
279     redisReaderFree(reader);
280 
281     /* when the reply already contains multiple items, they must be free'd
282      * on an error. valgrind will bark when this doesn't happen. */
283     test("Memory cleanup in reply parser: ");
284     reader = redisReaderCreate();
285     redisReaderFeed(reader,(char*)"*2\r\n",4);
286     redisReaderFeed(reader,(char*)"$5\r\nhello\r\n",11);
287     redisReaderFeed(reader,(char*)"@foo\r\n",6);
288     ret = redisReaderGetReply(reader,NULL);
289     test_cond(ret == REDIS_ERR &&
290               strcasecmp(reader->errstr,"Protocol error, got \"@\" as reply type byte") == 0);
291     redisReaderFree(reader);
292 
293     test("Set error on nested multi bulks with depth > 7: ");
294     reader = redisReaderCreate();
295 
296     for (i = 0; i < 9; i++) {
297         redisReaderFeed(reader,(char*)"*1\r\n",4);
298     }
299 
300     ret = redisReaderGetReply(reader,NULL);
301     test_cond(ret == REDIS_ERR &&
302               strncasecmp(reader->errstr,"No support for",14) == 0);
303     redisReaderFree(reader);
304 
305     test("Works with NULL functions for reply: ");
306     reader = redisReaderCreate();
307     reader->fn = NULL;
308     redisReaderFeed(reader,(char*)"+OK\r\n",5);
309     ret = redisReaderGetReply(reader,&reply);
310     test_cond(ret == REDIS_OK && reply == (void*)REDIS_REPLY_STATUS);
311     redisReaderFree(reader);
312 
313     test("Works when a single newline (\\r\\n) covers two calls to feed: ");
314     reader = redisReaderCreate();
315     reader->fn = NULL;
316     redisReaderFeed(reader,(char*)"+OK\r",4);
317     ret = redisReaderGetReply(reader,&reply);
318     assert(ret == REDIS_OK && reply == NULL);
319     redisReaderFeed(reader,(char*)"\n",1);
320     ret = redisReaderGetReply(reader,&reply);
321     test_cond(ret == REDIS_OK && reply == (void*)REDIS_REPLY_STATUS);
322     redisReaderFree(reader);
323 
324     test("Don't reset state after protocol error: ");
325     reader = redisReaderCreate();
326     reader->fn = NULL;
327     redisReaderFeed(reader,(char*)"x",1);
328     ret = redisReaderGetReply(reader,&reply);
329     assert(ret == REDIS_ERR);
330     ret = redisReaderGetReply(reader,&reply);
331     test_cond(ret == REDIS_ERR && reply == NULL);
332     redisReaderFree(reader);
333 
334     /* Regression test for issue #45 on GitHub. */
335     test("Don't do empty allocation for empty multi bulk: ");
336     reader = redisReaderCreate();
337     redisReaderFeed(reader,(char*)"*0\r\n",4);
338     ret = redisReaderGetReply(reader,&reply);
339     test_cond(ret == REDIS_OK &&
340         ((redisReply*)reply)->type == REDIS_REPLY_ARRAY &&
341         ((redisReply*)reply)->elements == 0);
342     freeReplyObject(reply);
343     redisReaderFree(reader);
344 }
345 
test_free_null(void)346 static void test_free_null(void) {
347     void *redisCtx = NULL;
348     void *reply = NULL;
349 
350     test("Don't fail when redisFree is passed a NULL value: ");
351     redisFree(redisCtx);
352     test_cond(redisCtx == NULL);
353 
354     test("Don't fail when freeReplyObject is passed a NULL value: ");
355     freeReplyObject(reply);
356     test_cond(reply == NULL);
357 }
358 
test_blocking_connection_errors(void)359 static void test_blocking_connection_errors(void) {
360     redisContext *c;
361 
362     test("Returns error when host cannot be resolved: ");
363     c = redisConnect((char*)"idontexist.test", 6379);
364     test_cond(c->err == REDIS_ERR_OTHER &&
365         (strcmp(c->errstr,"Name or service not known") == 0 ||
366          strcmp(c->errstr,"Can't resolve: idontexist.test") == 0 ||
367          strcmp(c->errstr,"nodename nor servname provided, or not known") == 0 ||
368          strcmp(c->errstr,"No address associated with hostname") == 0 ||
369          strcmp(c->errstr,"Temporary failure in name resolution") == 0 ||
370          strcmp(c->errstr,"hostname nor servname provided, or not known") == 0 ||
371          strcmp(c->errstr,"no address associated with name") == 0));
372     redisFree(c);
373 
374     test("Returns error when the port is not open: ");
375     c = redisConnect((char*)"localhost", 1);
376     test_cond(c->err == REDIS_ERR_IO &&
377         strcmp(c->errstr,"Connection refused") == 0);
378     redisFree(c);
379 
380     test("Returns error when the unix_sock socket path doesn't accept connections: ");
381     c = redisConnectUnix((char*)"/tmp/idontexist.sock");
382     test_cond(c->err == REDIS_ERR_IO); /* Don't care about the message... */
383     redisFree(c);
384 }
385 
test_blocking_connection(struct config config)386 static void test_blocking_connection(struct config config) {
387     redisContext *c;
388     redisReply *reply;
389 
390     c = connect(config);
391 
392     test("Is able to deliver commands: ");
393     reply = redisCommand(c,"PING");
394     test_cond(reply->type == REDIS_REPLY_STATUS &&
395         strcasecmp(reply->str,"pong") == 0)
396     freeReplyObject(reply);
397 
398     test("Is a able to send commands verbatim: ");
399     reply = redisCommand(c,"SET foo bar");
400     test_cond (reply->type == REDIS_REPLY_STATUS &&
401         strcasecmp(reply->str,"ok") == 0)
402     freeReplyObject(reply);
403 
404     test("%%s String interpolation works: ");
405     reply = redisCommand(c,"SET %s %s","foo","hello world");
406     freeReplyObject(reply);
407     reply = redisCommand(c,"GET foo");
408     test_cond(reply->type == REDIS_REPLY_STRING &&
409         strcmp(reply->str,"hello world") == 0);
410     freeReplyObject(reply);
411 
412     test("%%b String interpolation works: ");
413     reply = redisCommand(c,"SET %b %b","foo",(size_t)3,"hello\x00world",(size_t)11);
414     freeReplyObject(reply);
415     reply = redisCommand(c,"GET foo");
416     test_cond(reply->type == REDIS_REPLY_STRING &&
417         memcmp(reply->str,"hello\x00world",11) == 0)
418 
419     test("Binary reply length is correct: ");
420     test_cond(reply->len == 11)
421     freeReplyObject(reply);
422 
423     test("Can parse nil replies: ");
424     reply = redisCommand(c,"GET nokey");
425     test_cond(reply->type == REDIS_REPLY_NIL)
426     freeReplyObject(reply);
427 
428     /* test 7 */
429     test("Can parse integer replies: ");
430     reply = redisCommand(c,"INCR mycounter");
431     test_cond(reply->type == REDIS_REPLY_INTEGER && reply->integer == 1)
432     freeReplyObject(reply);
433 
434     test("Can parse multi bulk replies: ");
435     freeReplyObject(redisCommand(c,"LPUSH mylist foo"));
436     freeReplyObject(redisCommand(c,"LPUSH mylist bar"));
437     reply = redisCommand(c,"LRANGE mylist 0 -1");
438     test_cond(reply->type == REDIS_REPLY_ARRAY &&
439               reply->elements == 2 &&
440               !memcmp(reply->element[0]->str,"bar",3) &&
441               !memcmp(reply->element[1]->str,"foo",3))
442     freeReplyObject(reply);
443 
444     /* m/e with multi bulk reply *before* other reply.
445      * specifically test ordering of reply items to parse. */
446     test("Can handle nested multi bulk replies: ");
447     freeReplyObject(redisCommand(c,"MULTI"));
448     freeReplyObject(redisCommand(c,"LRANGE mylist 0 -1"));
449     freeReplyObject(redisCommand(c,"PING"));
450     reply = (redisCommand(c,"EXEC"));
451     test_cond(reply->type == REDIS_REPLY_ARRAY &&
452               reply->elements == 2 &&
453               reply->element[0]->type == REDIS_REPLY_ARRAY &&
454               reply->element[0]->elements == 2 &&
455               !memcmp(reply->element[0]->element[0]->str,"bar",3) &&
456               !memcmp(reply->element[0]->element[1]->str,"foo",3) &&
457               reply->element[1]->type == REDIS_REPLY_STATUS &&
458               strcasecmp(reply->element[1]->str,"pong") == 0);
459     freeReplyObject(reply);
460 
461     disconnect(c, 0);
462 }
463 
test_blocking_connection_timeouts(struct config config)464 static void test_blocking_connection_timeouts(struct config config) {
465     redisContext *c;
466     redisReply *reply;
467     ssize_t s;
468     const char *cmd = "DEBUG SLEEP 3\r\n";
469     struct timeval tv;
470 
471     c = connect(config);
472     test("Successfully completes a command when the timeout is not exceeded: ");
473     reply = redisCommand(c,"SET foo fast");
474     freeReplyObject(reply);
475     tv.tv_sec = 0;
476     tv.tv_usec = 10000;
477     redisSetTimeout(c, tv);
478     reply = redisCommand(c, "GET foo");
479     test_cond(reply != NULL && reply->type == REDIS_REPLY_STRING && memcmp(reply->str, "fast", 4) == 0);
480     freeReplyObject(reply);
481     disconnect(c, 0);
482 
483     c = connect(config);
484     test("Does not return a reply when the command times out: ");
485     s = write(c->fd, cmd, strlen(cmd));
486     tv.tv_sec = 0;
487     tv.tv_usec = 10000;
488     redisSetTimeout(c, tv);
489     reply = redisCommand(c, "GET foo");
490     test_cond(s > 0 && reply == NULL && c->err == REDIS_ERR_IO && strcmp(c->errstr, "Resource temporarily unavailable") == 0);
491     freeReplyObject(reply);
492 
493     test("Reconnect properly reconnects after a timeout: ");
494     redisReconnect(c);
495     reply = redisCommand(c, "PING");
496     test_cond(reply != NULL && reply->type == REDIS_REPLY_STATUS && strcmp(reply->str, "PONG") == 0);
497     freeReplyObject(reply);
498 
499     test("Reconnect properly uses owned parameters: ");
500     config.tcp.host = "foo";
501     config.unix_sock.path = "foo";
502     redisReconnect(c);
503     reply = redisCommand(c, "PING");
504     test_cond(reply != NULL && reply->type == REDIS_REPLY_STATUS && strcmp(reply->str, "PONG") == 0);
505     freeReplyObject(reply);
506 
507     disconnect(c, 0);
508 }
509 
test_blocking_io_errors(struct config config)510 static void test_blocking_io_errors(struct config config) {
511     redisContext *c;
512     redisReply *reply;
513     void *_reply;
514     int major, minor;
515 
516     /* Connect to target given by config. */
517     c = connect(config);
518     {
519         /* Find out Redis version to determine the path for the next test */
520         const char *field = "redis_version:";
521         char *p, *eptr;
522 
523         reply = redisCommand(c,"INFO");
524         p = strstr(reply->str,field);
525         major = strtol(p+strlen(field),&eptr,10);
526         p = eptr+1; /* char next to the first "." */
527         minor = strtol(p,&eptr,10);
528         freeReplyObject(reply);
529     }
530 
531     test("Returns I/O error when the connection is lost: ");
532     reply = redisCommand(c,"QUIT");
533     if (major > 2 || (major == 2 && minor > 0)) {
534         /* > 2.0 returns OK on QUIT and read() should be issued once more
535          * to know the descriptor is at EOF. */
536         test_cond(strcasecmp(reply->str,"OK") == 0 &&
537             redisGetReply(c,&_reply) == REDIS_ERR);
538         freeReplyObject(reply);
539     } else {
540         test_cond(reply == NULL);
541     }
542 
543     /* On 2.0, QUIT will cause the connection to be closed immediately and
544      * the read(2) for the reply on QUIT will set the error to EOF.
545      * On >2.0, QUIT will return with OK and another read(2) needed to be
546      * issued to find out the socket was closed by the server. In both
547      * conditions, the error will be set to EOF. */
548     assert(c->err == REDIS_ERR_EOF &&
549         strcmp(c->errstr,"Server closed the connection") == 0);
550     redisFree(c);
551 
552     c = connect(config);
553     test("Returns I/O error on socket timeout: ");
554     struct timeval tv = { 0, 1000 };
555     assert(redisSetTimeout(c,tv) == REDIS_OK);
556     test_cond(redisGetReply(c,&_reply) == REDIS_ERR &&
557         c->err == REDIS_ERR_IO && errno == EAGAIN);
558     redisFree(c);
559 }
560 
test_invalid_timeout_errors(struct config config)561 static void test_invalid_timeout_errors(struct config config) {
562     redisContext *c;
563 
564     test("Set error when an invalid timeout usec value is given to redisConnectWithTimeout: ");
565 
566     config.tcp.timeout.tv_sec = 0;
567     config.tcp.timeout.tv_usec = 10000001;
568 
569     c = redisConnectWithTimeout(config.tcp.host, config.tcp.port, config.tcp.timeout);
570 
571     test_cond(c->err == REDIS_ERR_IO && strcmp(c->errstr, "Invalid timeout specified") == 0);
572     redisFree(c);
573 
574     test("Set error when an invalid timeout sec value is given to redisConnectWithTimeout: ");
575 
576     config.tcp.timeout.tv_sec = (((LONG_MAX) - 999) / 1000) + 1;
577     config.tcp.timeout.tv_usec = 0;
578 
579     c = redisConnectWithTimeout(config.tcp.host, config.tcp.port, config.tcp.timeout);
580 
581     test_cond(c->err == REDIS_ERR_IO && strcmp(c->errstr, "Invalid timeout specified") == 0);
582     redisFree(c);
583 }
584 
test_throughput(struct config config)585 static void test_throughput(struct config config) {
586     redisContext *c = connect(config);
587     redisReply **replies;
588     int i, num;
589     long long t1, t2;
590 
591     test("Throughput:\n");
592     for (i = 0; i < 500; i++)
593         freeReplyObject(redisCommand(c,"LPUSH mylist foo"));
594 
595     num = 1000;
596     replies = malloc(sizeof(redisReply*)*num);
597     t1 = usec();
598     for (i = 0; i < num; i++) {
599         replies[i] = redisCommand(c,"PING");
600         assert(replies[i] != NULL && replies[i]->type == REDIS_REPLY_STATUS);
601     }
602     t2 = usec();
603     for (i = 0; i < num; i++) freeReplyObject(replies[i]);
604     free(replies);
605     printf("\t(%dx PING: %.3fs)\n", num, (t2-t1)/1000000.0);
606 
607     replies = malloc(sizeof(redisReply*)*num);
608     t1 = usec();
609     for (i = 0; i < num; i++) {
610         replies[i] = redisCommand(c,"LRANGE mylist 0 499");
611         assert(replies[i] != NULL && replies[i]->type == REDIS_REPLY_ARRAY);
612         assert(replies[i] != NULL && replies[i]->elements == 500);
613     }
614     t2 = usec();
615     for (i = 0; i < num; i++) freeReplyObject(replies[i]);
616     free(replies);
617     printf("\t(%dx LRANGE with 500 elements: %.3fs)\n", num, (t2-t1)/1000000.0);
618 
619     num = 10000;
620     replies = malloc(sizeof(redisReply*)*num);
621     for (i = 0; i < num; i++)
622         redisAppendCommand(c,"PING");
623     t1 = usec();
624     for (i = 0; i < num; i++) {
625         assert(redisGetReply(c, (void*)&replies[i]) == REDIS_OK);
626         assert(replies[i] != NULL && replies[i]->type == REDIS_REPLY_STATUS);
627     }
628     t2 = usec();
629     for (i = 0; i < num; i++) freeReplyObject(replies[i]);
630     free(replies);
631     printf("\t(%dx PING (pipelined): %.3fs)\n", num, (t2-t1)/1000000.0);
632 
633     replies = malloc(sizeof(redisReply*)*num);
634     for (i = 0; i < num; i++)
635         redisAppendCommand(c,"LRANGE mylist 0 499");
636     t1 = usec();
637     for (i = 0; i < num; i++) {
638         assert(redisGetReply(c, (void*)&replies[i]) == REDIS_OK);
639         assert(replies[i] != NULL && replies[i]->type == REDIS_REPLY_ARRAY);
640         assert(replies[i] != NULL && replies[i]->elements == 500);
641     }
642     t2 = usec();
643     for (i = 0; i < num; i++) freeReplyObject(replies[i]);
644     free(replies);
645     printf("\t(%dx LRANGE with 500 elements (pipelined): %.3fs)\n", num, (t2-t1)/1000000.0);
646 
647     disconnect(c, 0);
648 }
649 
650 // static long __test_callback_flags = 0;
651 // static void __test_callback(redisContext *c, void *privdata) {
652 //     ((void)c);
653 //     /* Shift to detect execution order */
654 //     __test_callback_flags <<= 8;
655 //     __test_callback_flags |= (long)privdata;
656 // }
657 //
658 // static void __test_reply_callback(redisContext *c, redisReply *reply, void *privdata) {
659 //     ((void)c);
660 //     /* Shift to detect execution order */
661 //     __test_callback_flags <<= 8;
662 //     __test_callback_flags |= (long)privdata;
663 //     if (reply) freeReplyObject(reply);
664 // }
665 //
666 // static redisContext *__connect_nonblock() {
667 //     /* Reset callback flags */
668 //     __test_callback_flags = 0;
669 //     return redisConnectNonBlock("127.0.0.1", port, NULL);
670 // }
671 //
672 // static void test_nonblocking_connection() {
673 //     redisContext *c;
674 //     int wdone = 0;
675 //
676 //     test("Calls command callback when command is issued: ");
677 //     c = __connect_nonblock();
678 //     redisSetCommandCallback(c,__test_callback,(void*)1);
679 //     redisCommand(c,"PING");
680 //     test_cond(__test_callback_flags == 1);
681 //     redisFree(c);
682 //
683 //     test("Calls disconnect callback on redisDisconnect: ");
684 //     c = __connect_nonblock();
685 //     redisSetDisconnectCallback(c,__test_callback,(void*)2);
686 //     redisDisconnect(c);
687 //     test_cond(__test_callback_flags == 2);
688 //     redisFree(c);
689 //
690 //     test("Calls disconnect callback and free callback on redisFree: ");
691 //     c = __connect_nonblock();
692 //     redisSetDisconnectCallback(c,__test_callback,(void*)2);
693 //     redisSetFreeCallback(c,__test_callback,(void*)4);
694 //     redisFree(c);
695 //     test_cond(__test_callback_flags == ((2 << 8) | 4));
696 //
697 //     test("redisBufferWrite against empty write buffer: ");
698 //     c = __connect_nonblock();
699 //     test_cond(redisBufferWrite(c,&wdone) == REDIS_OK && wdone == 1);
700 //     redisFree(c);
701 //
702 //     test("redisBufferWrite against not yet connected fd: ");
703 //     c = __connect_nonblock();
704 //     redisCommand(c,"PING");
705 //     test_cond(redisBufferWrite(c,NULL) == REDIS_ERR &&
706 //               strncmp(c->error,"write:",6) == 0);
707 //     redisFree(c);
708 //
709 //     test("redisBufferWrite against closed fd: ");
710 //     c = __connect_nonblock();
711 //     redisCommand(c,"PING");
712 //     redisDisconnect(c);
713 //     test_cond(redisBufferWrite(c,NULL) == REDIS_ERR &&
714 //               strncmp(c->error,"write:",6) == 0);
715 //     redisFree(c);
716 //
717 //     test("Process callbacks in the right sequence: ");
718 //     c = __connect_nonblock();
719 //     redisCommandWithCallback(c,__test_reply_callback,(void*)1,"PING");
720 //     redisCommandWithCallback(c,__test_reply_callback,(void*)2,"PING");
721 //     redisCommandWithCallback(c,__test_reply_callback,(void*)3,"PING");
722 //
723 //     /* Write output buffer */
724 //     wdone = 0;
725 //     while(!wdone) {
726 //         usleep(500);
727 //         redisBufferWrite(c,&wdone);
728 //     }
729 //
730 //     /* Read until at least one callback is executed (the 3 replies will
731 //      * arrive in a single packet, causing all callbacks to be executed in
732 //      * a single pass). */
733 //     while(__test_callback_flags == 0) {
734 //         assert(redisBufferRead(c) == REDIS_OK);
735 //         redisProcessCallbacks(c);
736 //     }
737 //     test_cond(__test_callback_flags == 0x010203);
738 //     redisFree(c);
739 //
740 //     test("redisDisconnect executes pending callbacks with NULL reply: ");
741 //     c = __connect_nonblock();
742 //     redisSetDisconnectCallback(c,__test_callback,(void*)1);
743 //     redisCommandWithCallback(c,__test_reply_callback,(void*)2,"PING");
744 //     redisDisconnect(c);
745 //     test_cond(__test_callback_flags == 0x0201);
746 //     redisFree(c);
747 // }
748 
main(int argc,char ** argv)749 int main(int argc, char **argv) {
750     struct config cfg = {
751         .tcp = {
752             .host = "127.0.0.1",
753             .port = 6379
754         },
755         .unix_sock = {
756             .path = "/tmp/redis.sock"
757         }
758     };
759     int throughput = 1;
760     int test_inherit_fd = 1;
761 
762     /* Ignore broken pipe signal (for I/O error tests). */
763     signal(SIGPIPE, SIG_IGN);
764 
765     /* Parse command line options. */
766     argv++; argc--;
767     while (argc) {
768         if (argc >= 2 && !strcmp(argv[0],"-h")) {
769             argv++; argc--;
770             cfg.tcp.host = argv[0];
771         } else if (argc >= 2 && !strcmp(argv[0],"-p")) {
772             argv++; argc--;
773             cfg.tcp.port = atoi(argv[0]);
774         } else if (argc >= 2 && !strcmp(argv[0],"-s")) {
775             argv++; argc--;
776             cfg.unix_sock.path = argv[0];
777         } else if (argc >= 1 && !strcmp(argv[0],"--skip-throughput")) {
778             throughput = 0;
779         } else if (argc >= 1 && !strcmp(argv[0],"--skip-inherit-fd")) {
780             test_inherit_fd = 0;
781         } else {
782             fprintf(stderr, "Invalid argument: %s\n", argv[0]);
783             exit(1);
784         }
785         argv++; argc--;
786     }
787 
788     test_format_commands();
789     test_reply_reader();
790     test_blocking_connection_errors();
791     test_free_null();
792 
793     printf("\nTesting against TCP connection (%s:%d):\n", cfg.tcp.host, cfg.tcp.port);
794     cfg.type = CONN_TCP;
795     test_blocking_connection(cfg);
796     test_blocking_connection_timeouts(cfg);
797     test_blocking_io_errors(cfg);
798     test_invalid_timeout_errors(cfg);
799     test_append_formatted_commands(cfg);
800     if (throughput) test_throughput(cfg);
801 
802     printf("\nTesting against Unix socket connection (%s):\n", cfg.unix_sock.path);
803     cfg.type = CONN_UNIX;
804     test_blocking_connection(cfg);
805     test_blocking_connection_timeouts(cfg);
806     test_blocking_io_errors(cfg);
807     if (throughput) test_throughput(cfg);
808 
809     if (test_inherit_fd) {
810         printf("\nTesting against inherited fd (%s):\n", cfg.unix_sock.path);
811         cfg.type = CONN_FD;
812         test_blocking_connection(cfg);
813     }
814 
815 
816     if (fails) {
817         printf("*** %d TESTS FAILED ***\n", fails);
818         return 1;
819     }
820 
821     printf("ALL TESTS PASSED\n");
822     return 0;
823 }
824