OpenSearch/TESTING.asciidoc

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[[Testing Framework Cheatsheet]]
= Testing
[partintro]
--
Elasticsearch uses jUnit for testing, it also uses randomness in the
tests, that can be set using a seed, the following is a cheatsheet of
options for running the tests for ES.
== Creating packages
To create a distribution without running the tests, simply run the
following:
-----------------------------
mvn clean package -DskipTests
-----------------------------
== Other test options
To disable and enable network transport, set the `ES_TEST_LOCAL`
environment variable.
Use network transport (default):
------------------------------------
export ES_TEST_LOCAL=false && mvn test
------------------------------------
Use local transport:
-------------------------------------
export ES_TEST_LOCAL=true && mvn test
-------------------------------------
Wait on mapping changes:
------------------------------------------------
export ES_WAIT_ON_MAPPING_CHANGE=true && mvn test
------------------------------------------------
=== Test case filtering.
- `tests.class` is a class-filtering shell-like glob pattern,
- `tests.method` is a method-filtering glob pattern.
Run a single test case (variants)
----------------------------------------------------------
mvn test -Dtests.class=org.elasticsearch.package.ClassName
mvn test "-Dtests.class=*.ClassName"
----------------------------------------------------------
Run all tests in a package and sub-packages
----------------------------------------------------
mvn test "-Dtests.class=org.elasticsearch.package.*"
----------------------------------------------------
Run any test methods that contain 'esi' (like: ...r*esi*ze...).
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mvn test "-Dtests.method=*esi*"
-------------------------------
=== Seed and repetitions.
Run with a given seed (seed is a hex-encoded long).
------------------------------
mvn test -Dtests.seed=DEADBEEF
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=== Repeats _all_ tests of ClassName N times.
Every test repetition will have a different seed.
--------------------------------------------------
mvn test -Dtests.iters=N -Dtests.class=*.ClassName
--------------------------------------------------
=== Repeats _all_ tests of ClassName N times.
Every test repetition will have exactly the same master (dead) and
method-level (beef) seed.
------------------------------------------------------------------------
mvn test -Dtests.iters=N -Dtests.class=*.ClassName -Dtests.seed=DEADBEEF
------------------------------------------------------------------------
=== Repeats a given test N times
(note the filters - individual test repetitions are given suffixes,
ie: testFoo[0], testFoo[1], etc... so using testmethod or tests.method
ending in a glob is necessary to ensure iterations are run).
-------------------------------------------------------------------------
mvn test -Dtests.iters=N -Dtests.class=*.ClassName -Dtests.method=mytest*
-------------------------------------------------------------------------
Repeats N times but skips any tests after the first failure or M initial failures.
-------------------------------------------------------------
mvn test -Dtests.iters=N -Dtests.failfast=true -Dtestcase=...
mvn test -Dtests.iters=N -Dtests.maxfailures=M -Dtestcase=...
-------------------------------------------------------------
=== Test groups.
Test groups can be enabled or disabled (true/false).
Default value provided below in [brackets].
------------------------------------------------------------------
mvn test -Dtests.nightly=[false] - nightly test group (@Nightly)
mvn test -Dtests.weekly=[false] - weekly tests (@Weekly)
mvn test -Dtests.awaitsfix=[false] - known issue (@AwaitsFix)
mvn test -Dtests.slow=[true] - slow tests (@Slow)
------------------------------------------------------------------
=== Load balancing and caches.
Run sequentially (one slave JVM). By default, the tests run with 3
concurrent JVMs.
----------------------------
mvn test -Dtests.jvms=1 test
----------------------------
Run with more slave JVMs than the default. Don't count hypercores for
CPU-intense tests. Make sure there is enough RAM to handle child JVMs.
----------------------------
mvn test -Dtests.jvms=8 test
----------------------------
=== Miscellaneous.
Run all tests without stopping on errors (inspect log files).
-----------------------------------------
mvn test -Dtests.haltonfailure=false test
-----------------------------------------
Run more verbose output (slave JVM parameters, etc.).
----------------------
mvn test -verbose test
----------------------
Change the default suite timeout to 5 seconds.
---------------------------------------
mvn test -Dtests.timeoutSuite=5000! ...
---------------------------------------
Change the logging level of ES (not mvn)
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mvn test -Des.logger.level=DEBUG
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Print all the logging output from the test runs to the commandline
even if tests are passing.
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mvn test -Dtests.output=always
------------------------------