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The Lua scripting support (EVAL) does not perfectly emulate the environment available to a real redis script. Some known differences are:
Libraries such as cjson are not loaded
Setting of global variables is only checked each time a redis function is called, rather than being enforced by a metatable.
dofile and readfile are not disabled.
Various functions on the redis object are not implemented e.g. redis.sha1hex, redis.log
It doesn't prevent mutating commands after a random command (this will be a major task since it requires knowing which commands are mutating and/or random).
The random seed might not be reset with every script (untested)
Just wondering if any new release planning to address the first point?
I'm afraid I don't get enough time to spend on fakeredis to make it better (mostly I just try to keep it working as new versions of dependencies come out), and I'm not sure quite what would be involved since I don't use Lua myself. Pull requests are welcome.
The Lua scripting support (EVAL) does not perfectly emulate the environment available to a real redis script. Some known differences are:
redis.sha1hex
,redis.log
For more details see the redis documentation and implementation.
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