Configure custom PMD ruleset

Author: durimkryeziu

buildSrc/src/main/groovy/com.craftsmanshipinsoftware.common-conventions.gradle

@@ -24,7 +24,6 @@ testing {
 pmd {
     consoleOutput = true
     toolVersion = libs.versions.pmd.get()
-    ruleSets = ["category/java/errorprone.xml",
-                "category/java/bestpractices.xml",
-                "category/java/performance.xml"]
+    ruleSets = []
+    ruleSetFiles = files(file("${rootProject.projectDir}/config/pmd/ruleset.xml"))
 }

config/pmd/ruleset.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+
+<ruleset name="Custom Rules"
+  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>
+    Exercises for Programmers - custom rules
+  </description>
+
+  <rule ref="category/java/errorprone.xml"/>
+  <rule ref="category/java/bestpractices.xml">
+    <exclude name="JUnitTestsShouldIncludeAssert"/>
+    <exclude name="JUnitTestContainsTooManyAsserts"/>
+  </rule>
+  <rule ref="category/java/performance.xml"/>
+
+</ruleset>