test.ruleset.xml

<?xml version="1.0"?>
<ruleset name="mal-test-ruleset"
         xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
    <description>MAL ruleset for testing code</description>

    <rule ref="category/java/bestpractices.xml" />

    <rule ref="category/java/codestyle.xml">
        <!-- Avoid reporting variables with a short name -->
        <exclude name="ShortVariable" />
        <!-- Avoid reporting test classes without constructors -->
        <exclude name="AtLeastOneConstructor" />
    </rule>

    <!-- Avoid reporting variables with a long name -->
    <rule ref="category/java/codestyle.xml/LongVariable">
        <properties>
            <property name="minimum" value="45" />
        </properties>
    </rule>

    <rule ref="category/java/design.xml">
        <!-- Avoid reporting usage of classes from outside the package hierarchy -->
        <exclude name="LoosePackageCoupling" />
        <!-- Avoid reporting big test files -->
        <exclude name="TooManyMethods" />
        <!-- Avoid reporting usage of data coming from "too far away" -->
        <exclude name="LawOfDemeter" />
    </rule>

    <rule ref="category/java/documentation.xml">
        <!-- Avoid reporting comments with too many lines -->
        <exclude name="CommentSize" />
        <!-- Avoid reporting missing comments on private fields -->
        <exclude name="CommentRequired" />
        <!-- Avoid reporting constructors with empty body -->
        <exclude name="UncommentedEmptyConstructor" />
    </rule>

    <rule ref="category/java/errorprone.xml" />

    <rule ref="category/java/multithreading.xml">
        <!-- Avoid reporting anything related to java.lang.Thread or Executors -->
        <exclude name="DoNotUseThreads" />
    </rule>

    <rule ref="category/java/performance.xml">
        <!-- Avoid reporting redundant field initialization -->
        <exclude name="RedundantFieldInitializer" />
    </rule>

    <rule ref="category/java/security.xml" />
</ruleset>