redict/tests
sundb 494ee2f1fc
Fix abnormal compression due to out-of-control recompress (#9849)
This pr is following #9779 .

## Describe of feature
Now when we turn on the `list-compress-depth` configuration, the list will compress
the ziplist between `[list-compress-depth, -list-compress-depth]`.
When we need to use the compressed data, we will first decompress it, then use it,
and finally compress it again.
It's controlled by `quicklistNode->recompress`, which is designed to avoid the need to
re-traverse the entire quicklist for compression after each decompression, we only need
to recompress the quicklsitNode being used.
In order to ensure the correctness of recompressing, we should normally let
quicklistDecompressNodeForUse and quicklistCompress appear in pairs, otherwise,
it may lead to the head and tail being compressed or the middle ziplist not being
compressed correctly, which is exactly the problem this pr needs to solve.

## Solution
1. Reset `quicklistIter` after insert and replace.
    The quicklist node will be compressed in `quicklistInsertAfter`, `quicklistInsertBefore`,
   `quicklistReplaceAtIndex`, so we can safely reset the quicklistIter to avoid it being used again
2. `quicklistIndex` will return an iterator that can be used to recompress the current node after use.
    
## Test
1. In the `Stress Tester for #3343-Similar Errors` test, when the server crashes or when
   `valgrind` or `asan` error is detected, print violating commands.
2. Add a crash test due to wrongly recompressing after `lrem`.
3. Remove `insert before with 0 elements` and `insert after with 0 elements`,
   Now we forbid any operation on an NULL quicklistIter.
2021-11-29 07:57:01 +02:00
..
assets Add support for list type to store elements larger than 4GB (#9357) 2021-11-03 20:47:18 +02:00
cluster Replica keep serving data during repl-diskless-load=swapdb for better availability (#9323) 2021-11-04 10:46:50 +02:00
helpers When redis-cli received ASK, it didn't handle it (#8930) 2021-08-02 14:59:08 +03:00
integration Sort out the mess around writable replicas and lookupKeyRead/Write (#9572) 2021-11-28 11:26:28 +02:00
modules Sort out the mess around writable replicas and lookupKeyRead/Write (#9572) 2021-11-28 11:26:28 +02:00
sentinel Sentinel: Fix failed daily tests, due to race condition (#9501) 2021-09-15 13:39:50 +03:00
support Obliterate STRALGO! add LCS (which only works on keys) (#9799) 2021-11-18 10:47:49 +02:00
tmp minor fixes to the new test suite, html doc updated 2010-05-14 18:48:33 +02:00
unit Fix abnormal compression due to out-of-control recompress (#9849) 2021-11-29 07:57:01 +02:00
instances.tcl Add sanitizer support and clean up sanitizer findings (#9601) 2021-11-11 13:51:33 +02:00
README.md Add support for list type to store elements larger than 4GB (#9357) 2021-11-03 20:47:18 +02:00
test_helper.tcl Increase test timeout in valgrind runs (#9767) 2021-11-10 19:38:58 +02:00

Redis Test Suite

The normal execution mode of the test suite involves starting and manipulating local redis-server instances, inspecting process state, log files, etc.

The test suite also supports execution against an external server, which is enabled using the --host and --port parameters. When executing against an external server, tests tagged external:skip are skipped.

There are additional runtime options that can further adjust the test suite to match different external server configurations:

Option Impact
--singledb Only use database 0, don't assume others are supported.
--ignore-encoding Skip all checks for specific encoding.
--ignore-digest Skip key value digest validations.
--cluster-mode Run in strict Redis Cluster compatibility mode.
--large-memory Enables tests that consume more than 100mb

Tags

Tags are applied to tests to classify them according to the subsystem they test, but also to indicate compatibility with different run modes and required capabilities.

Tags can be applied in different context levels:

  • start_server context
  • tags context that bundles several tests together
  • A single test context.

The following compatibility and capability tags are currently used:

Tag Indicates
external:skip Not compatible with external servers.
cluster:skip Not compatible with --cluster-mode.
large-memory Test that requires more than 100mb
tls:skip Not campatible with --tls.
needs:repl Uses replication and needs to be able to SYNC from server.
needs:debug Uses the DEBUG command or other debugging focused commands (like OBJECT).
needs:pfdebug Uses the PFDEBUG command.
needs:config-maxmemory Uses CONFIG SET to manipulate memory limit, eviction policies, etc.
needs:config-resetstat Uses CONFIG RESETSTAT to reset statistics.
needs:reset Uses RESET to reset client connections.
needs:save Uses SAVE to create an RDB file.

When using an external server (--host and --port), filtering using the external:skip tags is done automatically.

When using --cluster-mode, filtering using the cluster:skip tag is done automatically.

When not using --large-memory, filtering using the largemem:skip tag is done automatically.

In addition, it is possible to specify additional configuration. For example, to run tests on a server that does not permit SYNC use:

./runtest --host <host> --port <port> --tags -needs:repl