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|
/* Module designed to test the Redis modules subsystem.
*
* -----------------------------------------------------------------------------
*
* Copyright (c) 2016-Present, Redis Ltd.
* All rights reserved.
*
* Licensed under your choice of (a) the Redis Source Available License 2.0
* (RSALv2); or (b) the Server Side Public License v1 (SSPLv1); or (c) the
* GNU Affero General Public License v3 (AGPLv3).
*/
#include "redismodule.h"
#include <string.h>
#include <stdlib.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_NOT_USED(argv);
REDISMODULE_NOT_USED(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;
}
int TestCallResp3Attribute(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "attrib"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_STRING) goto fail;
/* make sure we can not reply to resp2 client with resp3 (it might be a string but it contains attribute) */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
if (!TestMatchReply(reply,"Some real reply following the attribute")) goto fail;
reply = RedisModule_CallReplyAttribute(reply);
if (!reply || RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_ATTRIBUTE) goto fail;
/* make sure we can not reply to resp2 client with resp3 attribute */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
if (RedisModule_CallReplyLength(reply) != 1) goto fail;
RedisModuleCallReply *key, *val;
if (RedisModule_CallReplyAttributeElement(reply,0,&key,&val) != REDISMODULE_OK) goto fail;
if (!TestMatchReply(key,"key-popularity")) goto fail;
if (RedisModule_CallReplyType(val) != REDISMODULE_REPLY_ARRAY) goto fail;
if (RedisModule_CallReplyLength(val) != 2) goto fail;
if (!TestMatchReply(RedisModule_CallReplyArrayElement(val, 0),"key:123")) goto fail;
if (!TestMatchReply(RedisModule_CallReplyArrayElement(val, 1),"90")) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"OK");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestGetResp(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
int flags = RedisModule_GetContextFlags(ctx);
if (flags & REDISMODULE_CTX_FLAGS_RESP3) {
RedisModule_ReplyWithLongLong(ctx, 3);
} else {
RedisModule_ReplyWithLongLong(ctx, 2);
}
return REDISMODULE_OK;
}
int TestCallRespAutoMode(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
RedisModule_Call(ctx,"DEL","c","myhash");
RedisModule_Call(ctx,"HSET","ccccc","myhash", "f1", "v1", "f2", "v2");
/* 0 stands for auto mode, we will get the reply in the same format as the client */
reply = RedisModule_Call(ctx,"HGETALL","0c" ,"myhash");
RedisModule_ReplyWithCallReply(ctx, reply);
return REDISMODULE_OK;
}
int TestCallResp3Map(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
RedisModule_Call(ctx,"DEL","c","myhash");
RedisModule_Call(ctx,"HSET","ccccc","myhash", "f1", "v1", "f2", "v2");
reply = RedisModule_Call(ctx,"HGETALL","3c" ,"myhash"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_MAP) goto fail;
/* make sure we can not reply to resp2 client with resp3 map */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
long long items = RedisModule_CallReplyLength(reply);
if (items != 2) goto fail;
RedisModuleCallReply *key0, *key1;
RedisModuleCallReply *val0, *val1;
if (RedisModule_CallReplyMapElement(reply,0,&key0,&val0) != REDISMODULE_OK) goto fail;
if (RedisModule_CallReplyMapElement(reply,1,&key1,&val1) != REDISMODULE_OK) goto fail;
if (!TestMatchReply(key0,"f1")) goto fail;
if (!TestMatchReply(key1,"f2")) goto fail;
if (!TestMatchReply(val0,"v1")) goto fail;
if (!TestMatchReply(val1,"v2")) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"OK");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallResp3Bool(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "true"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_BOOL) goto fail;
/* make sure we can not reply to resp2 client with resp3 bool */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
if (!RedisModule_CallReplyBool(reply)) goto fail;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "false"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_BOOL) goto fail;
if (RedisModule_CallReplyBool(reply)) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"OK");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallResp3Null(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "null"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_NULL) goto fail;
/* make sure we can not reply to resp2 client with resp3 null */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"OK");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallReplyWithNestedReply(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
RedisModule_Call(ctx,"DEL","c","mylist");
RedisModule_Call(ctx,"RPUSH","ccl","mylist","test",(long long)1234);
reply = RedisModule_Call(ctx,"LRANGE","ccc","mylist","0","-1");
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_ARRAY) goto fail;
if (RedisModule_CallReplyLength(reply) < 1) goto fail;
RedisModuleCallReply *nestedReply = RedisModule_CallReplyArrayElement(reply, 0);
RedisModule_ReplyWithCallReply(ctx,nestedReply);
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallReplyWithArrayReply(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
RedisModule_Call(ctx,"DEL","c","mylist");
RedisModule_Call(ctx,"RPUSH","ccl","mylist","test",(long long)1234);
reply = RedisModule_Call(ctx,"LRANGE","ccc","mylist","0","-1");
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_ARRAY) goto fail;
RedisModule_ReplyWithCallReply(ctx,reply);
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallResp3Double(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "double"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_DOUBLE) goto fail;
/* make sure we can not reply to resp2 client with resp3 double*/
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
double d = RedisModule_CallReplyDouble(reply);
/* we compare strings, since comparing doubles directly can fail in various architectures, e.g. 32bit */
char got[30], expected[30];
snprintf(got, sizeof(got), "%.17g", d);
snprintf(expected, sizeof(expected), "%.17g", 3.141);
if (strcmp(got, expected) != 0) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"OK");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallResp3BigNumber(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "bignum"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_BIG_NUMBER) goto fail;
/* make sure we can not reply to resp2 client with resp3 big number */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
size_t len;
const char* big_num = RedisModule_CallReplyBigNumber(reply, &len);
RedisModule_ReplyWithStringBuffer(ctx,big_num,len);
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallResp3Verbatim(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
reply = RedisModule_Call(ctx,"DEBUG","3cc" ,"PROTOCOL", "verbatim"); /* 3 stands for resp 3 reply */
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_VERBATIM_STRING) goto fail;
/* make sure we can not reply to resp2 client with resp3 verbatim string */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
const char* format;
size_t len;
const char* str = RedisModule_CallReplyVerbatim(reply, &len, &format);
RedisModuleString *s = RedisModule_CreateStringPrintf(ctx, "%.*s:%.*s", 3, format, (int)len, str);
RedisModule_ReplyWithString(ctx,s);
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,"ERR");
return REDISMODULE_OK;
}
int TestCallResp3Set(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleCallReply *reply;
RedisModule_Call(ctx,"DEL","c","myset");
RedisModule_Call(ctx,"sadd","ccc","myset", "v1", "v2");
reply = RedisModule_Call(ctx,"smembers","3c" ,"myset"); // N stands for resp 3 reply
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_SET) goto fail;
/* make sure we can not reply to resp2 client with resp3 set */
if (RedisModule_ReplyWithCallReply(ctx, reply) != REDISMODULE_ERR) goto fail;
long long items = RedisModule_CallReplyLength(reply);
if (items != 2) goto fail;
RedisModuleCallReply *val0, *val1;
val0 = RedisModule_CallReplySetElement(reply,0);
val1 = RedisModule_CallReplySetElement(reply,1);
/*
* The order of elements on sets are not promised so we just
* veridy that the reply matches one of the elements.
*/
if (!TestMatchReply(val0,"v1") && !TestMatchReply(val0,"v2")) goto fail;
if (!TestMatchReply(val1,"v1") && !TestMatchReply(val1,"v2")) 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) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(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_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_AutoMemory(ctx);
RedisModuleString *s = RedisModule_CreateString(ctx,"foo",3);
RedisModule_RetainString(ctx,s);
RedisModule_TrimStringAllocation(s); /* Mostly NOP, but exercises the API function */
RedisModule_StringAppendBuffer(ctx,s,"bar",3);
RedisModule_ReplyWithString(ctx,s);
RedisModule_FreeString(ctx,s);
return REDISMODULE_OK;
}
/* TEST.STRING.TRIM -- Test we trim a string with free space. */
int TestTrimString(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModuleString *s = RedisModule_CreateString(ctx,"foo",3);
char *tmp = RedisModule_Alloc(1024);
RedisModule_StringAppendBuffer(ctx,s,tmp,1024);
size_t string_len = RedisModule_MallocSizeString(s);
RedisModule_TrimStringAllocation(s);
size_t len_after_trim = RedisModule_MallocSizeString(s);
/* Determine if using jemalloc memory allocator. */
RedisModuleServerInfoData *info = RedisModule_GetServerInfo(ctx, "memory");
const char *field = RedisModule_ServerInfoGetFieldC(info, "mem_allocator");
int use_jemalloc = !strncmp(field, "jemalloc", 8);
/* Jemalloc will reallocate `s` from 2k to 1k after RedisModule_TrimStringAllocation(),
* but non-jemalloc memory allocators may keep the old size. */
if ((use_jemalloc && len_after_trim < string_len) ||
(!use_jemalloc && len_after_trim <= string_len))
{
RedisModule_ReplyWithSimpleString(ctx, "OK");
} else {
RedisModule_ReplyWithError(ctx, "String was not trimmed as expected.");
}
RedisModule_FreeServerInfo(ctx, info);
RedisModule_Free(tmp);
RedisModule_FreeString(ctx,s);
return REDISMODULE_OK;
}
/* TEST.STRING.PRINTF -- Test string formatting. */
int TestStringPrintf(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
if (argc < 3) {
return RedisModule_WrongArity(ctx);
}
RedisModuleString *s = RedisModule_CreateStringPrintf(ctx,
"Got %d args. argv[1]: %s, argv[2]: %s",
argc,
RedisModule_StringPtrLen(argv[1], NULL),
RedisModule_StringPtrLen(argv[2], NULL)
);
RedisModule_ReplyWithString(ctx,s);
return REDISMODULE_OK;
}
int failTest(RedisModuleCtx *ctx, const char *msg) {
RedisModule_ReplyWithError(ctx, msg);
return REDISMODULE_ERR;
}
int TestUnlink(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModuleKey *k = RedisModule_OpenKey(ctx, RedisModule_CreateStringPrintf(ctx, "unlinked"), REDISMODULE_WRITE | REDISMODULE_READ);
if (!k) return failTest(ctx, "Could not create key");
if (REDISMODULE_ERR == RedisModule_StringSet(k, RedisModule_CreateStringPrintf(ctx, "Foobar"))) {
return failTest(ctx, "Could not set string value");
}
RedisModuleCallReply *rep = RedisModule_Call(ctx, "EXISTS", "c", "unlinked");
if (!rep || RedisModule_CallReplyInteger(rep) != 1) {
return failTest(ctx, "Key does not exist before unlink");
}
if (REDISMODULE_ERR == RedisModule_UnlinkKey(k)) {
return failTest(ctx, "Could not unlink key");
}
rep = RedisModule_Call(ctx, "EXISTS", "c", "unlinked");
if (!rep || RedisModule_CallReplyInteger(rep) != 0) {
return failTest(ctx, "Could not verify key to be unlinked");
}
return RedisModule_ReplyWithSimpleString(ctx, "OK");
}
int TestNestedCallReplyArrayElement(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModuleString *expect_key = RedisModule_CreateString(ctx, "mykey", strlen("mykey"));
RedisModule_SelectDb(ctx, 1);
RedisModule_Call(ctx, "LPUSH", "sc", expect_key, "myvalue");
RedisModuleCallReply *scan_reply = RedisModule_Call(ctx, "SCAN", "l", (long long)0);
RedisModule_Assert(scan_reply != NULL && RedisModule_CallReplyType(scan_reply) == REDISMODULE_REPLY_ARRAY);
RedisModule_Assert(RedisModule_CallReplyLength(scan_reply) == 2);
long long scan_cursor;
RedisModuleCallReply *cursor_reply = RedisModule_CallReplyArrayElement(scan_reply, 0);
RedisModule_Assert(RedisModule_CallReplyType(cursor_reply) == REDISMODULE_REPLY_STRING);
RedisModule_Assert(RedisModule_StringToLongLong(RedisModule_CreateStringFromCallReply(cursor_reply), &scan_cursor) == REDISMODULE_OK);
RedisModule_Assert(scan_cursor == 0);
RedisModuleCallReply *keys_reply = RedisModule_CallReplyArrayElement(scan_reply, 1);
RedisModule_Assert(RedisModule_CallReplyType(keys_reply) == REDISMODULE_REPLY_ARRAY);
RedisModule_Assert( RedisModule_CallReplyLength(keys_reply) == 1);
RedisModuleCallReply *key_reply = RedisModule_CallReplyArrayElement(keys_reply, 0);
RedisModule_Assert(RedisModule_CallReplyType(key_reply) == REDISMODULE_REPLY_STRING);
RedisModuleString *key = RedisModule_CreateStringFromCallReply(key_reply);
RedisModule_Assert(RedisModule_StringCompare(key, expect_key) == 0);
RedisModule_ReplyWithSimpleString(ctx, "OK");
return REDISMODULE_OK;
}
/* TEST.STRING.TRUNCATE -- Test truncating an existing string object. */
int TestStringTruncate(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
RedisModule_Call(ctx, "SET", "cc", "foo", "abcde");
RedisModuleKey *k = RedisModule_OpenKey(ctx, RedisModule_CreateStringPrintf(ctx, "foo"), REDISMODULE_READ | REDISMODULE_WRITE);
if (!k) return failTest(ctx, "Could not create key");
size_t len = 0;
char* s;
/* expand from 5 to 8 and check null pad */
if (REDISMODULE_ERR == RedisModule_StringTruncate(k, 8)) {
return failTest(ctx, "Could not truncate string value (8)");
}
s = RedisModule_StringDMA(k, &len, REDISMODULE_READ);
if (!s) {
return failTest(ctx, "Failed to read truncated string (8)");
} else if (len != 8) {
return failTest(ctx, "Failed to expand string value (8)");
} else if (0 != strncmp(s, "abcde\0\0\0", 8)) {
return failTest(ctx, "Failed to null pad string value (8)");
}
/* shrink from 8 to 4 */
if (REDISMODULE_ERR == RedisModule_StringTruncate(k, 4)) {
return failTest(ctx, "Could not truncate string value (4)");
}
s = RedisModule_StringDMA(k, &len, REDISMODULE_READ);
if (!s) {
return failTest(ctx, "Failed to read truncated string (4)");
} else if (len != 4) {
return failTest(ctx, "Failed to shrink string value (4)");
} else if (0 != strncmp(s, "abcd", 4)) {
return failTest(ctx, "Failed to truncate string value (4)");
}
/* shrink to 0 */
if (REDISMODULE_ERR == RedisModule_StringTruncate(k, 0)) {
return failTest(ctx, "Could not truncate string value (0)");
}
s = RedisModule_StringDMA(k, &len, REDISMODULE_READ);
if (!s) {
return failTest(ctx, "Failed to read truncated string (0)");
} else if (len != 0) {
return failTest(ctx, "Failed to shrink string value to (0)");
}
return RedisModule_ReplyWithSimpleString(ctx, "OK");
}
int NotifyCallback(RedisModuleCtx *ctx, int type, const char *event,
RedisModuleString *key) {
RedisModule_AutoMemory(ctx);
/* Increment a counter on the notifications: for each key notified we
* increment a counter */
RedisModule_Log(ctx, "notice", "Got event type %d, event %s, key %s", type,
event, RedisModule_StringPtrLen(key, NULL));
RedisModule_Call(ctx, "HINCRBY", "csc", "notifications", key, "1");
return REDISMODULE_OK;
}
/* TEST.NOTIFICATIONS -- Test Keyspace Notifications. */
int TestNotifications(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
RedisModule_AutoMemory(ctx);
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
#define FAIL(msg, ...) \
{ \
RedisModule_Log(ctx, "warning", "Failed NOTIFY Test. Reason: " #msg, ##__VA_ARGS__); \
goto err; \
}
RedisModule_Call(ctx, "FLUSHDB", "");
RedisModule_Call(ctx, "SET", "cc", "foo", "bar");
RedisModule_Call(ctx, "SET", "cc", "foo", "baz");
RedisModule_Call(ctx, "SADD", "cc", "bar", "x");
RedisModule_Call(ctx, "SADD", "cc", "bar", "y");
RedisModule_Call(ctx, "HSET", "ccc", "baz", "x", "y");
/* LPUSH should be ignored and not increment any counters */
RedisModule_Call(ctx, "LPUSH", "cc", "l", "y");
RedisModule_Call(ctx, "LPUSH", "cc", "l", "y");
/* Miss some keys intentionally so we will get a "keymiss" notification. */
RedisModule_Call(ctx, "GET", "c", "nosuchkey");
RedisModule_Call(ctx, "SMEMBERS", "c", "nosuchkey");
size_t sz;
const char *rep;
RedisModuleCallReply *r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "foo");
if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
FAIL("Wrong or no reply for foo");
} else {
rep = RedisModule_CallReplyStringPtr(r, &sz);
if (sz != 1 || *rep != '2') {
FAIL("Got reply '%s'. expected '2'", RedisModule_CallReplyStringPtr(r, NULL));
}
}
r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "bar");
if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
FAIL("Wrong or no reply for bar");
} else {
rep = RedisModule_CallReplyStringPtr(r, &sz);
if (sz != 1 || *rep != '2') {
FAIL("Got reply '%s'. expected '2'", rep);
}
}
r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "baz");
if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
FAIL("Wrong or no reply for baz");
} else {
rep = RedisModule_CallReplyStringPtr(r, &sz);
if (sz != 1 || *rep != '1') {
FAIL("Got reply '%.*s'. expected '1'", (int)sz, rep);
}
}
/* For l we expect nothing since we didn't subscribe to list events */
r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "l");
if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_NULL) {
FAIL("Wrong reply for l");
}
r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "nosuchkey");
if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
FAIL("Wrong or no reply for nosuchkey");
} else {
rep = RedisModule_CallReplyStringPtr(r, &sz);
if (sz != 1 || *rep != '2') {
FAIL("Got reply '%.*s'. expected '2'", (int)sz, rep);
}
}
RedisModule_Call(ctx, "FLUSHDB", "");
return RedisModule_ReplyWithSimpleString(ctx, "OK");
err:
RedisModule_Call(ctx, "FLUSHDB", "");
return RedisModule_ReplyWithSimpleString(ctx, "ERR");
}
/* TEST.CTXFLAGS -- Test GetContextFlags. */
int TestCtxFlags(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argc);
REDISMODULE_NOT_USED(argv);
RedisModule_AutoMemory(ctx);
int ok = 1;
const char *errString = NULL;
#undef FAIL
#define FAIL(msg) \
{ \
ok = 0; \
errString = msg; \
goto end; \
}
int flags = RedisModule_GetContextFlags(ctx);
if (flags == 0) {
FAIL("Got no flags");
}
if (flags & REDISMODULE_CTX_FLAGS_LUA) FAIL("Lua flag was set");
if (flags & REDISMODULE_CTX_FLAGS_MULTI) FAIL("Multi flag was set");
if (flags & REDISMODULE_CTX_FLAGS_AOF) FAIL("AOF Flag was set")
/* Enable AOF to test AOF flags */
RedisModule_Call(ctx, "config", "ccc", "set", "appendonly", "yes");
flags = RedisModule_GetContextFlags(ctx);
if (!(flags & REDISMODULE_CTX_FLAGS_AOF)) FAIL("AOF Flag not set after config set");
/* Disable RDB saving and test the flag. */
RedisModule_Call(ctx, "config", "ccc", "set", "save", "");
flags = RedisModule_GetContextFlags(ctx);
if (flags & REDISMODULE_CTX_FLAGS_RDB) FAIL("RDB Flag was set");
/* Enable RDB to test RDB flags */
RedisModule_Call(ctx, "config", "ccc", "set", "save", "900 1");
flags = RedisModule_GetContextFlags(ctx);
if (!(flags & REDISMODULE_CTX_FLAGS_RDB)) FAIL("RDB Flag was not set after config set");
if (!(flags & REDISMODULE_CTX_FLAGS_MASTER)) FAIL("Master flag was not set");
if (flags & REDISMODULE_CTX_FLAGS_SLAVE) FAIL("Slave flag was set");
if (flags & REDISMODULE_CTX_FLAGS_READONLY) FAIL("Read-only flag was set");
if (flags & REDISMODULE_CTX_FLAGS_CLUSTER) FAIL("Cluster flag was set");
/* Disable maxmemory and test the flag. (it is implicitly set in 32bit builds. */
RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory", "0");
flags = RedisModule_GetContextFlags(ctx);
if (flags & REDISMODULE_CTX_FLAGS_MAXMEMORY) FAIL("Maxmemory flag was set");
/* Enable maxmemory and test the flag. */
RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory", "100000000");
flags = RedisModule_GetContextFlags(ctx);
if (!(flags & REDISMODULE_CTX_FLAGS_MAXMEMORY))
FAIL("Maxmemory flag was not set after config set");
if (flags & REDISMODULE_CTX_FLAGS_EVICT) FAIL("Eviction flag was set");
RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory-policy", "allkeys-lru");
flags = RedisModule_GetContextFlags(ctx);
if (!(flags & REDISMODULE_CTX_FLAGS_EVICT)) FAIL("Eviction flag was not set after config set");
end:
/* Revert config changes */
RedisModule_Call(ctx, "config", "ccc", "set", "appendonly", "no");
RedisModule_Call(ctx, "config", "ccc", "set", "save", "");
RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory", "0");
RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory-policy", "noeviction");
if (!ok) {
RedisModule_Log(ctx, "warning", "Failed CTXFLAGS Test. Reason: %s", errString);
return RedisModule_ReplyWithSimpleString(ctx, "ERR");
}
return RedisModule_ReplyWithSimpleString(ctx, "OK");
}
/* ----------------------------- Test framework ----------------------------- */
/* Return 1 if the reply matches the specified string, otherwise log errors
* in the server log and return 0. */
int TestAssertErrorReply(RedisModuleCtx *ctx, RedisModuleCallReply *reply, char *str, size_t len) {
RedisModuleString *mystr, *expected;
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_ERROR) {
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 Error reply reply '%s' (instead of '%s')",
mystr_ptr, expected_ptr);
return 0;
}
return 1;
}
int TestAssertStringReply(RedisModuleCtx *ctx, RedisModuleCallReply *reply, char *str, size_t len) {
RedisModuleString *mystr, *expected;
if (RedisModule_CallReplyType(reply) == REDISMODULE_REPLY_ERROR) {
RedisModule_Log(ctx,"warning","Test error reply: %s",
RedisModule_CallReplyStringPtr(reply, NULL));
return 0;
} else 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_ERROR) {
RedisModule_Log(ctx,"warning","Test error reply: %s",
RedisModule_CallReplyStringPtr(reply, NULL));
return 0;
} else 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;
}
/* Replies "yes", "no" otherwise if the context may execute debug commands */
int TestCanDebug(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
int flags = RedisModule_GetContextFlags(ctx);
int allFlags = RedisModule_GetContextFlagsAll();
if ((allFlags & REDISMODULE_CTX_FLAGS_DEBUG_ENABLED) &&
(flags & REDISMODULE_CTX_FLAGS_DEBUG_ENABLED)) {
RedisModule_ReplyWithSimpleString(ctx, "yes");
} else {
RedisModule_ReplyWithSimpleString(ctx, "no");
}
return REDISMODULE_OK;
}
#define T(name,...) \
do { \
RedisModule_Log(ctx,"warning","Testing %s", name); \
reply = RedisModule_Call(ctx,name,__VA_ARGS__); \
} while (0)
/* TEST.BASICS -- Run all the tests.
* Note: it is useful to run these tests from the module rather than TCL
* since it's easier to check the reply types like that make a distinction
* between 0 and "0", etc. */
int TestBasics(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(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.callresp3map","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.callresp3set","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.callresp3double","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.callresp3bool","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.callresp3null","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.callreplywithnestedreply","");
if (!TestAssertStringReply(ctx,reply,"test",4)) goto fail;
T("test.callreplywithbignumberreply","");
if (!TestAssertStringReply(ctx,reply,"1234567999999999999999999999999999999",37)) goto fail;
T("test.callreplywithverbatimstringreply","");
if (!TestAssertStringReply(ctx,reply,"txt:This is a verbatim\nstring",29)) goto fail;
T("test.ctxflags","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.string.append","");
if (!TestAssertStringReply(ctx,reply,"foobar",6)) goto fail;
T("test.string.truncate","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.unlink","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.nestedcallreplyarray","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.string.append.am","");
if (!TestAssertStringReply(ctx,reply,"foobar",6)) goto fail;
T("test.string.trim","");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.string.printf", "cc", "foo", "bar");
if (!TestAssertStringReply(ctx,reply,"Got 3 args. argv[1]: foo, argv[2]: bar",38)) goto fail;
T("test.notify", "");
if (!TestAssertStringReply(ctx,reply,"OK",2)) goto fail;
T("test.callreplywitharrayreply", "");
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_ARRAY) goto fail;
if (RedisModule_CallReplyLength(reply) != 2) goto fail;
if (!TestAssertStringReply(ctx,RedisModule_CallReplyArrayElement(reply, 0),"test",4)) goto fail;
if (!TestAssertStringReply(ctx,RedisModule_CallReplyArrayElement(reply, 1),"1234",4)) goto fail;
T("foo", "E");
if (!TestAssertErrorReply(ctx,reply,"ERR unknown command 'foo', with args beginning with: ",53)) goto fail;
T("set", "Ec", "x");
if (!TestAssertErrorReply(ctx,reply,"ERR wrong number of arguments for 'set' command",47)) goto fail;
T("shutdown", "SE");
if (!TestAssertErrorReply(ctx,reply,"ERR command 'shutdown' is not allowed on script mode",52)) goto fail;
T("set", "WEcc", "x", "1");
if (!TestAssertErrorReply(ctx,reply,"ERR Write command 'set' was called while write is not allowed.",62)) goto fail;
RedisModule_ReplyWithSimpleString(ctx,"ALL TESTS PASSED");
return REDISMODULE_OK;
fail:
RedisModule_ReplyWithSimpleString(ctx,
"SOME TEST DID NOT PASS! Check server logs");
return REDISMODULE_OK;
}
int RedisModule_OnLoad(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
REDISMODULE_NOT_USED(argv);
REDISMODULE_NOT_USED(argc);
if (RedisModule_Init(ctx,"test",1,REDISMODULE_APIVER_1)
== REDISMODULE_ERR) return REDISMODULE_ERR;
/* Perform RM_Call inside the RedisModule_OnLoad
* to verify that it works as expected without crashing.
* The tests will verify it on different configurations
* options (cluster/no cluster). A simple ping command
* is enough for this test. */
RedisModuleCallReply *reply = RedisModule_Call(ctx, "ping", "");
if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_STRING) {
RedisModule_FreeCallReply(reply);
return REDISMODULE_ERR;
}
size_t len;
const char *reply_str = RedisModule_CallReplyStringPtr(reply, &len);
if (len != 4) {
RedisModule_FreeCallReply(reply);
return REDISMODULE_ERR;
}
if (memcmp(reply_str, "PONG", 4) != 0) {
RedisModule_FreeCallReply(reply);
return REDISMODULE_ERR;
}
RedisModule_FreeCallReply(reply);
if (RedisModule_CreateCommand(ctx,"test.call",
TestCall,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callresp3map",
TestCallResp3Map,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callresp3attribute",
TestCallResp3Attribute,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callresp3set",
TestCallResp3Set,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callresp3double",
TestCallResp3Double,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callresp3bool",
TestCallResp3Bool,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callresp3null",
TestCallResp3Null,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callreplywitharrayreply",
TestCallReplyWithArrayReply,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callreplywithnestedreply",
TestCallReplyWithNestedReply,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callreplywithbignumberreply",
TestCallResp3BigNumber,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.callreplywithverbatimstringreply",
TestCallResp3Verbatim,"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.trim",
TestTrimString,"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.string.truncate",
TestStringTruncate,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.string.printf",
TestStringPrintf,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.ctxflags",
TestCtxFlags,"readonly",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.unlink",
TestUnlink,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.nestedcallreplyarray",
TestNestedCallReplyArrayElement,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.basics",
TestBasics,"write",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
/* the following commands are used by an external test and should not be added to TestBasics */
if (RedisModule_CreateCommand(ctx,"test.rmcallautomode",
TestCallRespAutoMode,"write",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.getresp",
TestGetResp,"readonly",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
if (RedisModule_CreateCommand(ctx,"test.candebug",
TestCanDebug,"readonly",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
RedisModule_SubscribeToKeyspaceEvents(ctx,
REDISMODULE_NOTIFY_HASH |
REDISMODULE_NOTIFY_SET |
REDISMODULE_NOTIFY_STRING |
REDISMODULE_NOTIFY_KEY_MISS,
NotifyCallback);
if (RedisModule_CreateCommand(ctx,"test.notify",
TestNotifications,"write deny-oom",1,1,1) == REDISMODULE_ERR)
return REDISMODULE_ERR;
return REDISMODULE_OK;
}
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