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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 13:40:54 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-14 13:40:54 +0000
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parentInitial commit. (diff)
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Adding upstream version 5:7.2.4.upstream/5%7.2.4
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+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 compatible 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 REFCOUNT`). |
+| `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` or `BGSAVE` 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
+