Issue checkstyle#12876: Resolve pitest suppression for AbstractViolat…

…ionReporter

config/pitest-suppressions/pitest-api-suppressions.xml

@@ -1,14 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <suppressedMutations>
-  <mutation unstable="false">
-    <sourceFile>AbstractViolationReporter.java</sourceFile>
-    <mutatedClass>com.puppycrawl.tools.checkstyle.api.AbstractViolationReporter</mutatedClass>
-    <mutatedMethod>setSeverity</mutatedMethod>
-    <mutator>org.pitest.mutationtest.engine.gregor.mutators.experimental.MemberVariableMutator</mutator>
-    <description>Removed assignment to member variable severityLevel</description>
-    <lineContent>severityLevel = SeverityLevel.getInstance(severity);</lineContent>
-  </mutation>
-
   <mutation unstable="false">
     <sourceFile>FileContents.java</sourceFile>
     <mutatedClass>com.puppycrawl.tools.checkstyle.api.FileContents</mutatedClass>

src/test/java/com/puppycrawl/tools/checkstyle/api/AbstractViolationReporterTest.java

@@ -23,6 +23,7 @@
 
 import java.util.SortedSet;
 
+import com.puppycrawl.tools.checkstyle.AbstractModuleTestSupport;
 import org.junit.jupiter.api.Test;
 
 import com.puppycrawl.tools.checkstyle.DefaultConfiguration;
@@ -33,7 +34,12 @@
  * Tests to ensure that default message bundle is determined correctly.
  *
  */
-public class AbstractViolationReporterTest {
+public class AbstractViolationReporterTest extends AbstractModuleTestSupport {
+
+    @Override
+    protected String getPackageLocation() {
+        return "com/puppycrawl/tools/checkstyle/api/abstractviolationreporter";
+    }
 
     private final AbstractCheck emptyCheck = new EmptyCheck();
 
@@ -79,6 +85,14 @@ public void testSeverity() throws Exception {
                 .isEqualTo("error");
     }
 
+    @Test
+    public void testSetSeverity() throws Exception {
+        final Configuration checkConfig =
+        createModuleConfig(SetSeverity.class);
+        final String[] expected = CommonUtil.EMPTY_STRING_ARRAY;
+        verify(checkConfig, getPath("InputAbstractViolationReporterSetSeverity.java"), expected);
+    }
+
     @Test
     public void testCustomMessage() throws Exception {
         final DefaultConfiguration config = createModuleConfig(emptyCheck.getClass());
@@ -152,4 +166,17 @@ public int[] getRequiredTokens() {
 
     }
 
+    public static class SetSeverity extends AbstractViolationReporter {
+
+        @Override
+        public void log(int line, String key, Object... args) {
+
+        }
+
+        @Override
+        public void log(int line, int col, String key, Object... args) {
+
+        }
+    }
+
 }

src/test/resources/com/puppycrawl/tools/checkstyle/api/abstractviolationreporter/InputAbstractViolationReporterSetSeverity.java

@@ -0,0 +1,5 @@
+package com.puppycrawl.tools.checkstyle.api.abstractviolationreporter;
+
+public class InputAbstractViolationReporterSetSeverity {
+   // code
+}