NightOwl888 opened a new issue #307:
URL: https://github.com/apache/lucenenet/issues/307
We completed the "System Properties" feature in #254/#287, but we are
lacking documentation on how end users can utilize it, in particular for the
test framework. Here are a list of the properties that exist and their
defaults, however, not all of them apply to the .NET port.
```
{
"smartcn:data:dir": "",
"egothor:stemmer:charset": "UTF-8",
"kuromoji:data:dir": "",
"solr:test:leavetmpdir": null, // Doesn't apply to Lucene.NET
"assert": false, // Turn on assertions (for testing/logging) in release
build (.NET-only)
"tests": {
"asserts:gracious": "false", // Doesn't apply to Lucene.NET
"cleanthreads:sysprop": "perMethod", // Doesn't apply to Lucene.NET
"codec": "random", // Specifies a specific Codec subclass to use
for the tests
"directory": "random", // Specifies a specific Directory subclass to
use for the tests
"docvaluesformat": "random", // Specifies a specific
DocValuesFormat subclass to use for the tests
"infostream": "${verbose}", // Boolean that specifies whether to log
output to console
"jvms": "auto", // Doesn't apply to Lucene.NET
"jvms:override": "${jvms}", // Doesn't apply to Lucene.NET
"leaveTemporary": null, // Skips deletion of files that were created
during tests
"leavetemporary": null, // Alias of above
"leavetmpdir": null, // Alias of above
"linedocsfile": "", // Specifies a specific LineDocsFile to use when
running tests (may not be functional with external files)
"locale": "random", // Specifies a specific culture to use when
running tests (TODO: rename or alias "culture")
"multiplier": "1", // Multiplier to scale random tests for more
thorough (but longer) testing - used during nightly/weakly builds
"nightly": "false", // TODO: Need to set up nightly build
infrastructure
"postingsformat": "random", // Specifies a specific PostingsFormat
subclass to use for the tests
"seed": "", // Specifies a random seed to use during tests in
hexadecimal format (not yet implemented - see #288)
"slow": "true", // Specifies to run slow tests (not implemented, but
we made a LongRunningTestAttribute that could be adapted)
"timezone": "random", // Specifies a specific time zone to use for
the tests (not xplat because of different naming conventions)
"verbose": "false", // Use verbose logging
"weekly": "false" // TODO: Need to set up weekly build infrastructure
},
"user:timezone": "random" // Doesn't apply to Lucene.NET
}
```
The most crucial thing here is to allow end users to specify a random seed
and to print out the random seed that caused a failure (#288), but we should
also look into setting up nightly and weekly builds to do more thorough testing
(provided we get some credits to go over 1 hour for a job on Azure DevOps) and
also look at putting in a switch to turn on/off long running tests.
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