Articles Tagged ‘constraints’

Software Architecture Exploration and Validation with jqAssistant, Neo4j and Cypher

Sunday, December 31st, 2017

I have written about other software system analyzing and validation tools before but today I would like to introduce a new tool named jqAssistant that supports software architects, developers and analysts in a variety of tasks like analyzing given structures, validating architectural or quality constraints and generating reports.

Therefore jqAssistant analyzes given projects or artifacts and stores the gathered information – that is enriched by a variety of existing plugin-ins – in a Neo4j graph database.

This graph database may now be used to enforce architectural constraints or specific code metrics, to generate reports or to analyze a system with a nice browser interface.

In this tutorial I’m going to show how to integrate jqAssistant in an existing project using Maven as build-tool, how to explore an existing system step-by-step and finally how to enforce specific metrics by writing them down as a kind of living documentation in an AsciiDoc document.

I have also started to write down basic Cypher (the query language used) queries to analyze a system and other queries to gather basic metrics.

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Assuring Architectural Rules with ArchUnit

Monday, July 3rd, 2017

Maintaining architecture rules and constraints for a specific software project or an application is not easy as textual documentation is easily forgotten after a while and hard to verify.

ArchUnit is a testing library that allows developers and software architects to write down such rules as executable tests that may be run by the development teams and the integration servers.

In the following article I will demonstrate the basic features of this library by applying rules and constraints to an existing application.

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