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/* Module designed to test the Redis modules subsystem.
*
* -----------------------------------------------------------------------------
*
* Copyright (c) 2016, Salvatore Sanfilippo <antirez at gmail dot com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Redis nor the names of its contributors may be used
* to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "../redismodule.h"
#include <string.h>
/* --------------------------------- Helpers -------------------------------- */
/* Return true if the reply and the C null term string matches. */
int TestMatchReply(RedisModuleCallReply *reply, char *str) {
RedisModuleString *mystr;
mystr = RedisModule_CreateStringFromCallReply(reply);
if (!mystr) return 0;
const char *ptr = RedisModule_StringPtrLen(mystr,NULL);
return strcmp(ptr,str) == 0;
}
/* ------------------------------- Test units ------------------------------- */
/* TEST.CALL -- Test Call() API. */
int TestCall(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
RedisModule_Call(ctx,"DEL","c","mylist");
RedisModuleString *mystr = RedisModule_CreateString(ctx,"foo",3);
RedisModule_Call(ctx,"RPUSH","csl","mylist",mystr,(long long)1234);
reply = RedisModule_Call(ctx,"LRANGE","ccc","mylist","0","-1");
long long items = RedisModule_CallReplyLength(reply);
if (items != 2) goto fail;
RedisModuleCallReply *item0, *item1;
item0 = RedisModule_CallReplyArrayElement(reply,0);
item1 = RedisModule_CallReplyArrayElement(reply,1);
if (!TestMatchReply(item0,"foo")) goto fail;
if (!TestMatchReply(item1,"1234")) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"OK");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
/* TEST.STRING.APPEND -- Test appending to an existing string object. */
int TestStringAppend(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModuleString *s = RedisModule_CreateString(ctx,"foo",3);
RedisModule_StringAppendBuffer(ctx,s,"bar",3);
RedisModule_ReplyWithString(ctx,s);
RedisModule_FreeString(ctx,s);
return REDISMODULE_OK;
}
/* TEST.STRING.APPEND.AM -- Test append with retain when auto memory is on. */
int TestStringAppendAM(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
RedisModuleString *s = RedisModule_CreateString(ctx,"foo",3);
RedisModule_RetainString(ctx,s);
RedisModule_StringAppendBuffer(ctx,s,"bar",3);
RedisModule_ReplyWithString(ctx,s);
RedisModule_FreeString(ctx,s);
return REDISMODULE_OK;
}
/* ----------------------------- Test framework ----------------------------- */
/* Return 1 if the reply matches the specified string, otherwise log errors
* in the server log and return 0. */
int TestAssertStringReply(RedisModuleCtx *ctx, RedisModuleCallReply *reply, char *str, size_t len) {
RedisModuleString *mystr, *expected;
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_STRING) {
RedisModule_Log(ctx,"warning","Unexpected reply type %d",
RedisModule_CallReplyType(reply));
return 0;
}
mystr = RedisModule_CreateStringFromCallReply(reply);
expected = RedisModule_CreateString(ctx,str,len);
if (RedisModule_StringCompare(mystr,expected) != 0) {
const char *mystr_ptr = RedisModule_StringPtrLen(mystr,NULL);
const char *expected_ptr = RedisModule_StringPtrLen(expected,NULL);
RedisModule_Log(ctx,"warning",
"Unexpected string reply '%s' (instead of '%s')",
mystr_ptr, expected_ptr);
return 0;
}
return 1;
}
/* Return 1 if the reply matches the specified integer, otherwise log errors
* in the server log and return 0. */
int TestAssertIntegerReply(RedisModuleCtx *ctx, RedisModuleCallReply *reply, long long expected) {
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_INTEGER) {
RedisModule_Log(ctx,"warning","Unexpected reply type %d",
RedisModule_CallReplyType(reply));
return 0;
}
long long val = RedisModule_CallReplyInteger(reply);
if (val != expected) {
RedisModule_Log(ctx,"warning",
"Unexpected integer reply '%lld' (instead of '%lld')",
val, expected);
return 0;
}
return 1;
}
#define T(name,...) \
do { \
RedisModule_Log(ctx,"warning","Testing %s", name); \
reply = RedisModule_Call(ctx,name,__VA_ARGS__); \
} while (0);
/* TEST.IT -- Run all the tests. */
int TestIt(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
/* Make sure the DB is empty before to proceed. */
T("dbsize","");
if (!TestAssertIntegerReply(ctx,reply,0)) goto fail;
T("ping","");
if (!TestAssertStringReply(ctx,reply,"PONG",4)) goto fail;
T("test.call","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.string.append","");
if (!TestAssertStringReply(ctx,reply,"foobar",6)) goto fail;
T("test.string.append.am","");
if (!TestAssertStringReply(ctx,reply,"foobar",6)) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"ALL TESTS PASSED");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,
"SOME TEST NOT PASSED! Check server logs");
return REDISMODULE_OK;
}
int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
if (RedisModule_Init(ctx,"test",1,REDISMODULE_APIVER_1)
== REDISMODULE_ERR) return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.call",
TestCall,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.string.append",
TestStringAppend,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.string.append.am",
TestStringAppendAM,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.it",
TestIt,"readonly",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
return REDISMODULE_OK;
}
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