533 lines
20 KiB
C
533 lines
20 KiB
C
/* Module designed to test the Redis modules subsystem.
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*
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* -----------------------------------------------------------------------------
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*
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* Copyright (c) 2016, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define REDISMODULE_EXPERIMENTAL_API
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#include "redismodule.h"
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#include <string.h>
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/* --------------------------------- Helpers -------------------------------- */
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/* Return true if the reply and the C null term string matches. */
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int TestMatchReply(RedisModuleCallReply *reply, char *str) {
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RedisModuleString *mystr;
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mystr = RedisModule_CreateStringFromCallReply(reply);
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if (!mystr) return 0;
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const char *ptr = RedisModule_StringPtrLen(mystr,NULL);
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return strcmp(ptr,str) == 0;
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}
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/* ------------------------------- Test units ------------------------------- */
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/* TEST.CALL -- Test Call() API. */
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int TestCall(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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RedisModule_AutoMemory(ctx);
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RedisModuleCallReply *reply;
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RedisModule_Call(ctx,"DEL","c","mylist");
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RedisModuleString *mystr = RedisModule_CreateString(ctx,"foo",3);
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RedisModule_Call(ctx,"RPUSH","csl","mylist",mystr,(long long)1234);
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reply = RedisModule_Call(ctx,"LRANGE","ccc","mylist","0","-1");
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long long items = RedisModule_CallReplyLength(reply);
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if (items != 2) goto fail;
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RedisModuleCallReply *item0, *item1;
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item0 = RedisModule_CallReplyArrayElement(reply,0);
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item1 = RedisModule_CallReplyArrayElement(reply,1);
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if (!TestMatchReply(item0,"foo")) goto fail;
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if (!TestMatchReply(item1,"1234")) goto fail;
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RedisModule_ReplyWithSimpleString(ctx,"OK");
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return REDISMODULE_OK;
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fail:
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RedisModule_ReplyWithSimpleString(ctx,"ERR");
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return REDISMODULE_OK;
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}
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/* TEST.STRING.APPEND -- Test appending to an existing string object. */
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int TestStringAppend(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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RedisModuleString *s = RedisModule_CreateString(ctx,"foo",3);
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RedisModule_StringAppendBuffer(ctx,s,"bar",3);
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RedisModule_ReplyWithString(ctx,s);
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RedisModule_FreeString(ctx,s);
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return REDISMODULE_OK;
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}
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/* TEST.STRING.APPEND.AM -- Test append with retain when auto memory is on. */
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int TestStringAppendAM(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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RedisModule_AutoMemory(ctx);
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RedisModuleString *s = RedisModule_CreateString(ctx,"foo",3);
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RedisModule_RetainString(ctx,s);
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RedisModule_StringAppendBuffer(ctx,s,"bar",3);
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RedisModule_ReplyWithString(ctx,s);
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RedisModule_FreeString(ctx,s);
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return REDISMODULE_OK;
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}
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/* TEST.STRING.PRINTF -- Test string formatting. */
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int TestStringPrintf(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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RedisModule_AutoMemory(ctx);
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if (argc < 3) {
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return RedisModule_WrongArity(ctx);
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}
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RedisModuleString *s = RedisModule_CreateStringPrintf(ctx,
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"Got %d args. argv[1]: %s, argv[2]: %s",
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argc,
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RedisModule_StringPtrLen(argv[1], NULL),
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RedisModule_StringPtrLen(argv[2], NULL)
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);
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RedisModule_ReplyWithString(ctx,s);
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return REDISMODULE_OK;
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}
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int failTest(RedisModuleCtx *ctx, const char *msg) {
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RedisModule_ReplyWithError(ctx, msg);
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return REDISMODULE_ERR;
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}
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int TestUnlink(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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RedisModule_AutoMemory(ctx);
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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RedisModuleKey *k = RedisModule_OpenKey(ctx, RedisModule_CreateStringPrintf(ctx, "unlinked"), REDISMODULE_WRITE | REDISMODULE_READ);
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if (!k) return failTest(ctx, "Could not create key");
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if (REDISMODULE_ERR == RedisModule_StringSet(k, RedisModule_CreateStringPrintf(ctx, "Foobar"))) {
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return failTest(ctx, "Could not set string value");
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}
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RedisModuleCallReply *rep = RedisModule_Call(ctx, "EXISTS", "c", "unlinked");
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if (!rep || RedisModule_CallReplyInteger(rep) != 1) {
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return failTest(ctx, "Key does not exist before unlink");
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}
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if (REDISMODULE_ERR == RedisModule_UnlinkKey(k)) {
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return failTest(ctx, "Could not unlink key");
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}
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rep = RedisModule_Call(ctx, "EXISTS", "c", "unlinked");
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if (!rep || RedisModule_CallReplyInteger(rep) != 0) {
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return failTest(ctx, "Could not verify key to be unlinked");
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}
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return RedisModule_ReplyWithSimpleString(ctx, "OK");
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}
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/* TEST.STRING.TRUNCATE -- Test truncating an existing string object. */
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int TestStringTruncate(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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RedisModule_AutoMemory(ctx);
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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RedisModule_Call(ctx, "SET", "cc", "foo", "abcde");
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RedisModuleKey *k = RedisModule_OpenKey(ctx, RedisModule_CreateStringPrintf(ctx, "foo"), REDISMODULE_READ | REDISMODULE_WRITE);
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if (!k) return failTest(ctx, "Could not create key");
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size_t len = 0;
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char* s;
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/* expand from 5 to 8 and check null pad */
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if (REDISMODULE_ERR == RedisModule_StringTruncate(k, 8)) {
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return failTest(ctx, "Could not truncate string value (8)");
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}
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s = RedisModule_StringDMA(k, &len, REDISMODULE_READ);
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if (!s) {
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return failTest(ctx, "Failed to read truncated string (8)");
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} else if (len != 8) {
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return failTest(ctx, "Failed to expand string value (8)");
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} else if (0 != strncmp(s, "abcde\0\0\0", 8)) {
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return failTest(ctx, "Failed to null pad string value (8)");
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}
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/* shrink from 8 to 4 */
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if (REDISMODULE_ERR == RedisModule_StringTruncate(k, 4)) {
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return failTest(ctx, "Could not truncate string value (4)");
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}
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s = RedisModule_StringDMA(k, &len, REDISMODULE_READ);
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if (!s) {
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return failTest(ctx, "Failed to read truncated string (4)");
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} else if (len != 4) {
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return failTest(ctx, "Failed to shrink string value (4)");
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} else if (0 != strncmp(s, "abcd", 4)) {
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return failTest(ctx, "Failed to truncate string value (4)");
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}
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/* shrink to 0 */
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if (REDISMODULE_ERR == RedisModule_StringTruncate(k, 0)) {
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return failTest(ctx, "Could not truncate string value (0)");
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}
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s = RedisModule_StringDMA(k, &len, REDISMODULE_READ);
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if (!s) {
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return failTest(ctx, "Failed to read truncated string (0)");
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} else if (len != 0) {
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return failTest(ctx, "Failed to shrink string value to (0)");
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}
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return RedisModule_ReplyWithSimpleString(ctx, "OK");
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}
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int NotifyCallback(RedisModuleCtx *ctx, int type, const char *event,
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RedisModuleString *key) {
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RedisModule_AutoMemory(ctx);
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/* Increment a counter on the notifications: for each key notified we
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* increment a counter */
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RedisModule_Log(ctx, "notice", "Got event type %d, event %s, key %s", type,
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event, RedisModule_StringPtrLen(key, NULL));
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RedisModule_Call(ctx, "HINCRBY", "csc", "notifications", key, "1");
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return REDISMODULE_OK;
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}
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/* TEST.NOTIFICATIONS -- Test Keyspace Notifications. */
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int TestNotifications(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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RedisModule_AutoMemory(ctx);
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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#define FAIL(msg, ...) \
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{ \
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RedisModule_Log(ctx, "warning", "Failed NOTIFY Test. Reason: " #msg, ##__VA_ARGS__); \
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goto err; \
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}
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RedisModule_Call(ctx, "FLUSHDB", "");
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RedisModule_Call(ctx, "SET", "cc", "foo", "bar");
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RedisModule_Call(ctx, "SET", "cc", "foo", "baz");
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RedisModule_Call(ctx, "SADD", "cc", "bar", "x");
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RedisModule_Call(ctx, "SADD", "cc", "bar", "y");
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RedisModule_Call(ctx, "HSET", "ccc", "baz", "x", "y");
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/* LPUSH should be ignored and not increment any counters */
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RedisModule_Call(ctx, "LPUSH", "cc", "l", "y");
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RedisModule_Call(ctx, "LPUSH", "cc", "l", "y");
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/* Miss some keys intentionally so we will get a "keymiss" notification. */
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RedisModule_Call(ctx, "GET", "c", "nosuchkey");
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RedisModule_Call(ctx, "SMEMBERS", "c", "nosuchkey");
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size_t sz;
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const char *rep;
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RedisModuleCallReply *r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "foo");
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if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
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FAIL("Wrong or no reply for foo");
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} else {
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rep = RedisModule_CallReplyStringPtr(r, &sz);
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if (sz != 1 || *rep != '2') {
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FAIL("Got reply '%s'. expected '2'", RedisModule_CallReplyStringPtr(r, NULL));
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}
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}
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r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "bar");
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if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
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FAIL("Wrong or no reply for bar");
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} else {
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rep = RedisModule_CallReplyStringPtr(r, &sz);
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if (sz != 1 || *rep != '2') {
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FAIL("Got reply '%s'. expected '2'", rep);
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}
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}
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r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "baz");
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if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
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FAIL("Wrong or no reply for baz");
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} else {
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rep = RedisModule_CallReplyStringPtr(r, &sz);
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if (sz != 1 || *rep != '1') {
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FAIL("Got reply '%.*s'. expected '1'", (int)sz, rep);
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}
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}
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/* For l we expect nothing since we didn't subscribe to list events */
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r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "l");
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if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_NULL) {
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FAIL("Wrong reply for l");
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}
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r = RedisModule_Call(ctx, "HGET", "cc", "notifications", "nosuchkey");
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if (r == NULL || RedisModule_CallReplyType(r) != REDISMODULE_REPLY_STRING) {
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FAIL("Wrong or no reply for nosuchkey");
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} else {
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rep = RedisModule_CallReplyStringPtr(r, &sz);
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if (sz != 1 || *rep != '2') {
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FAIL("Got reply '%.*s'. expected '2'", (int)sz, rep);
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}
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}
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RedisModule_Call(ctx, "FLUSHDB", "");
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return RedisModule_ReplyWithSimpleString(ctx, "OK");
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err:
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RedisModule_Call(ctx, "FLUSHDB", "");
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return RedisModule_ReplyWithSimpleString(ctx, "ERR");
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}
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/* TEST.CTXFLAGS -- Test GetContextFlags. */
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int TestCtxFlags(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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REDISMODULE_NOT_USED(argc);
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REDISMODULE_NOT_USED(argv);
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RedisModule_AutoMemory(ctx);
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int ok = 1;
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const char *errString = NULL;
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#undef FAIL
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#define FAIL(msg) \
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{ \
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ok = 0; \
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errString = msg; \
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goto end; \
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}
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int flags = RedisModule_GetContextFlags(ctx);
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if (flags == 0) {
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FAIL("Got no flags");
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}
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if (flags & REDISMODULE_CTX_FLAGS_LUA) FAIL("Lua flag was set");
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if (flags & REDISMODULE_CTX_FLAGS_MULTI) FAIL("Multi flag was set");
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if (flags & REDISMODULE_CTX_FLAGS_AOF) FAIL("AOF Flag was set")
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/* Enable AOF to test AOF flags */
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RedisModule_Call(ctx, "config", "ccc", "set", "appendonly", "yes");
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flags = RedisModule_GetContextFlags(ctx);
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if (!(flags & REDISMODULE_CTX_FLAGS_AOF)) FAIL("AOF Flag not set after config set");
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if (flags & REDISMODULE_CTX_FLAGS_RDB) FAIL("RDB Flag was set");
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/* Enable RDB to test RDB flags */
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RedisModule_Call(ctx, "config", "ccc", "set", "save", "900 1");
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flags = RedisModule_GetContextFlags(ctx);
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if (!(flags & REDISMODULE_CTX_FLAGS_RDB)) FAIL("RDB Flag was not set after config set");
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if (!(flags & REDISMODULE_CTX_FLAGS_MASTER)) FAIL("Master flag was not set");
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if (flags & REDISMODULE_CTX_FLAGS_SLAVE) FAIL("Slave flag was set");
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if (flags & REDISMODULE_CTX_FLAGS_READONLY) FAIL("Read-only flag was set");
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if (flags & REDISMODULE_CTX_FLAGS_CLUSTER) FAIL("Cluster flag was set");
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if (flags & REDISMODULE_CTX_FLAGS_MAXMEMORY) FAIL("Maxmemory flag was set");
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RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory", "100000000");
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flags = RedisModule_GetContextFlags(ctx);
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if (!(flags & REDISMODULE_CTX_FLAGS_MAXMEMORY))
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FAIL("Maxmemory flag was not set after config set");
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if (flags & REDISMODULE_CTX_FLAGS_EVICT) FAIL("Eviction flag was set");
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RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory-policy", "allkeys-lru");
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flags = RedisModule_GetContextFlags(ctx);
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if (!(flags & REDISMODULE_CTX_FLAGS_EVICT)) FAIL("Eviction flag was not set after config set");
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end:
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/* Revert config changes */
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RedisModule_Call(ctx, "config", "ccc", "set", "appendonly", "no");
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RedisModule_Call(ctx, "config", "ccc", "set", "save", "");
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RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory", "0");
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RedisModule_Call(ctx, "config", "ccc", "set", "maxmemory-policy", "noeviction");
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if (!ok) {
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RedisModule_Log(ctx, "warning", "Failed CTXFLAGS Test. Reason: %s", errString);
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return RedisModule_ReplyWithSimpleString(ctx, "ERR");
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}
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return RedisModule_ReplyWithSimpleString(ctx, "OK");
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}
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/* ----------------------------- Test framework ----------------------------- */
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/* Return 1 if the reply matches the specified string, otherwise log errors
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* in the server log and return 0. */
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int TestAssertStringReply(RedisModuleCtx *ctx, RedisModuleCallReply *reply, char *str, size_t len) {
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RedisModuleString *mystr, *expected;
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if (RedisModule_CallReplyType(reply) == REDISMODULE_REPLY_ERROR) {
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RedisModule_Log(ctx,"warning","Test error reply: %s",
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RedisModule_CallReplyStringPtr(reply, NULL));
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return 0;
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} else if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_STRING) {
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RedisModule_Log(ctx,"warning","Unexpected reply type %d",
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RedisModule_CallReplyType(reply));
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return 0;
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}
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mystr = RedisModule_CreateStringFromCallReply(reply);
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expected = RedisModule_CreateString(ctx,str,len);
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if (RedisModule_StringCompare(mystr,expected) != 0) {
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const char *mystr_ptr = RedisModule_StringPtrLen(mystr,NULL);
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const char *expected_ptr = RedisModule_StringPtrLen(expected,NULL);
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RedisModule_Log(ctx,"warning",
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"Unexpected string reply '%s' (instead of '%s')",
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mystr_ptr, expected_ptr);
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return 0;
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}
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return 1;
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}
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/* Return 1 if the reply matches the specified integer, otherwise log errors
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* in the server log and return 0. */
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int TestAssertIntegerReply(RedisModuleCtx *ctx, RedisModuleCallReply *reply, long long expected) {
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if (RedisModule_CallReplyType(reply) == REDISMODULE_REPLY_ERROR) {
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RedisModule_Log(ctx,"warning","Test error reply: %s",
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RedisModule_CallReplyStringPtr(reply, NULL));
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return 0;
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} else if (RedisModule_CallReplyType(reply) != REDISMODULE_REPLY_INTEGER) {
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RedisModule_Log(ctx,"warning","Unexpected reply type %d",
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RedisModule_CallReplyType(reply));
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return 0;
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}
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long long val = RedisModule_CallReplyInteger(reply);
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if (val != expected) {
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RedisModule_Log(ctx,"warning",
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"Unexpected integer reply '%lld' (instead of '%lld')",
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val, expected);
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return 0;
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}
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return 1;
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}
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#define T(name,...) \
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do { \
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RedisModule_Log(ctx,"warning","Testing %s", name); \
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reply = RedisModule_Call(ctx,name,__VA_ARGS__); \
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} while (0)
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/* TEST.BASICS -- Run all the tests.
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* Note: it is useful to run these tests from the module rather than TCL
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* since it's easier to check the reply types like that (make a distinction
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* between 0 and "0", etc. */
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int TestBasics(RedisModuleCtx *ctx, RedisModuleString **argv, int argc) {
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REDISMODULE_NOT_USED(argv);
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REDISMODULE_NOT_USED(argc);
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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.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.string.append.am","");
|
|
if (!TestAssertStringReply(ctx,reply,"foobar",6)) 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;
|
|
|
|
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;
|
|
|
|
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.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.basics",
|
|
TestBasics,"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;
|
|
}
|