Test trend analysis: Towards robust reliable and timely tests

@hughleo01 Liberty Information Technology

Liberty IT, Belfast and Dublin

Test trend analysis: Towards robust, reliable and timely tests

Hugh McCamphill

@hughleo01 Liberty Information Technology2Liberty IT @hughleo01

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About Us

3Liberty IT

Hugh McCamphill

Principal Software Engineer in Test

Writing Automation since 2004

@hughleo01


Which tests are slow

Which steps are slow

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Which tests are intermittently passing

What are common failures across tests


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Where are the issues?

http://creativecommons.org/licenses/by/2.0/


~ Henry David Thoreau


Example dashboard


RunTests ResultsPost

Results

A Simple Process Flow


A time series database is a

software system that is optimized

for handling time series data,

arrays of numbers indexed

by time

Elasticsearch is a tool for storing, searching, and

analyzing structured and unstructured data


Setting up a mapping

{"mappings":{"result":{"properties":{"project":{"type":"string"},"environment":{"type":"string"},"duration":{"type":"double"},"name":{"type":"string","index":"not_analyzed"},"classname":{"type":"string","index":"not_analyzed"},"message":{"type":"string","index":"not_analyzed"},"status":{"type":"string"},"created":{"type":"date","format":"yyyy-MM-dd HH:mm:ss"}}}}




curl -XPUT “http://localhost:9200/test-result” –

d @mapping_schema_framework.json


{"index":{"_index":"test-result","_type":"functional" }}

{"project":“TestProject","environment":"QA","classname":“TestProject.Foo.Bar","name":"ShouldBeAbleToAddItem","duration":"47.12","created":"2016-09-14 21:35:53","status":"Passed"}

curl -XPOST “http://localhost:9200/test-

result/_bulk?pretty” --data-binary @testResults.json

Posting of results


A Simple Process Flow

RunTests ResultsPost

Results Visualize


Kibana is an open source data visualization plugin for ElasticSearch


New visualization results in a single bucket


Splitting error messages into buckets of top occurring error messages


Showing top ten most occurring error messages


Splitting error messages into buckets of tests affected by that error


Error Messages

Individual Tests

Splitting error messages into buckets of tests affected by that error


Top Failure Reasons By Test


Top Slowest Tests


Top Failing Tests


Step Time Versus Number Of Times Executed


Example Dashboard With Time Filter


References

http://martinfowler.com/articles/nonDeterminism.htm

https://watirmelon.blog/2015/11/11/your-tests-arent-flaky/


Thank you

Hugh McCamphill@hughleo01

Run Tests ResultsPost

Results Visualize

In Summary

Test trend analysis: Towards robust reliable and timely tests

Software

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