Shad Storhaug created LUCENENET-619:
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Summary: Known Failing Tests on Lucene.Net
Key: LUCENENET-619
URL: https://issues.apache.org/jira/browse/LUCENENET-619
Project: Lucene.Net
Issue Type: Task
Components: Lucene.Net Core, Lucene.Net Test,
Lucene.Net.Analysis.Common, Lucene.Net.Classification
Affects Versions: Lucene.Net 4.8.0
Reporter: Shad Storhaug
Up for grabs. Please contribute to Lucene.Net.
All 8000+ tests pass most of the time, but there are still a few that fail
under the random conditions we test them in. This is a complete list of the
known tests that fail and what is known about them. Note that these may not be
all of the ways the tests can fail.
# {color:#d04437}*Lucene.Net.Search.TestSearchAfter::TestQueries()*{color}
** Related to current culture
** Happens on netcoreapp2.1 on macOS
** Happens on netcoreapp1.0 on Linux
# {color:#d04437}*Lucene.Net.Util.TestVersionComparer::TestVersions()*{color}
** Related to current culture
** Happens on netcoreapp2.1 on macOS
#
{color:#d04437}*Lucene.Net.Index.TestIndexWriter::TestTwoThreadsInterruptDeadlock()*{color}
** Happens on every target framework/OS
#
{color:#d04437}*Lucene.Net.Index.TestIndexWriter::TestThreadInterruptDeadlock()*{color}
** Happens on every target framework/OS
#
{color:#d04437}*Lucene.Net.Classification.KNearestNeighborClassifierTest::TestPerformance()*{color}
** Happens on netcoreapp2.1 on Windows
** Happens on netcoreapp1.0 on Windows
** Happens on net451 on Windows
#
{color:#d04437}*Lucene.Net.Analysis.NGram.EdgeNGramTokenizerTest::TestFullUTF8Range()*{color}
** Happens on netcoreapp1.0 on Linux
#
{color:#d04437}*Lucene.Net.Analysis.NGram.NGramTokenizerTest::TestFullUTF8Range()*{color}
** Happens on net451 on Windows
** Happens on netcoreapp1.0 on Linux
** Happens on netcoreapp1.0 on Windows
** Happens on netcoreapp1.0 on macOS
** Happens on netcoreapp2.1 on macOS
#
{color:#d04437}*Lucene.Net.Search.VectorHighlight.SimpleFragmentsBuilderTest::TestRandomDiscreteMultiValueHighlighting()*{color}
** Happens on Windows (I think on all target frameworks, but netcoreapp1.0 for
sure)
** Not related to current culture
** Definitely a problem with the highlighter, not the test or test framework
Note we now have an
[{{azure-pipelines.yml}}|https://github.com/apache/lucenenet/blob/master/azure-pipelines.yml]
configuration file in our repository that anyone can use to setup a build
pipeline to see the tests run on Windows, macOS and Linux by setting up a [free
Azure DevOps account|https://azure.microsoft.com/en-us/services/devops/]. If
you create a public project to run the tests in, it will take roughly an hour
to see the test results (a private project will take significantly longer on
the free subscription because they only provide a single parallel job).
*NOTES*
* {color:#205081}Sometimes problems can be spotted just by comparing the
[Lucene 4.8.0
code|https://github.com/apache/lucene-solr/tree/8fdf89690404c0e65784b2c5477552b9dec58591/lucene]
against [Lucene.Net 4.8.0 code|https://github.com/apache/lucenenet].{color}
* {color:#205081}The code should be checked to make sure there were no
translation problems from Java to C#. This may be easier than it sounds, as you
can type phrases like "java HashMap equivalent c#" into Google to find the
answers easily.{color}
* {color:#205081}We can change the code to properly match the behavior of
Java, but no cheating by changing the conditions of the test! Unless, of
course, the test conditions were translated to C# wrong, which has been known
to happen.{color}
* {color:#205081}If you find a solution to make the test pass, please [open a
PR on GitHub|https://github.com/apache/lucenenet/pulls] or alternatively post
the solution here so we can try it ourselves.{color}
* {color:#205081}If you get the same warm fuzzy feeling we do when we make a
test green, feel free to fix another one.{color}
{color:#FF0000}Also, let us know if you find any failing test that is not on
this list {color:#707070}(aside from the "file in use by another process" issue
that is known to happen on Linux and macOS - see{color}
[LUCENENET-618|https://issues.apache.org/jira/projects/LUCENENET/issues/LUCENENET-618]{color:#707070}){color}
{color}
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