#750 -DskipTests Flag should be honoured in a maven run without additional configuration

pitest-maven-verification/src/test/java/org/pitest/PitMojoIT.java

@@ -19,11 +19,7 @@
 import org.apache.maven.it.VerificationException;
 import org.apache.maven.it.Verifier;
 import org.apache.maven.it.util.ResourceExtractor;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Ignore;
-import org.junit.Rule;
-import org.junit.Test;
+import org.junit.*;
 import org.junit.rules.TemporaryFolder;
 import org.junit.rules.TestName;
 import org.pitest.support.DirectoriesOnlyWalker;
@@ -32,15 +28,13 @@
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.Properties;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-import static org.junit.Assert.fail;
+import static org.junit.Assert.*;
 import static org.junit.Assume.assumeFalse;
 
 /**
@@ -356,14 +350,23 @@ public void shouldCorrectlyHandleOverrides() throws Exception {
   @Test
   public void shouldReadExclusionsFromSurefireConfig() throws Exception {
     File testDir = prepare("/pit-surefire-excludes");
-    verifier.addCliOption("-DskipTests");
     verifier.executeGoal("test");
     verifier.executeGoal("org.pitest:pitest-maven:mutationCoverage");
 
     String actual = readResults(testDir);
     assertThat(actual)
-        .contains(
-            "<mutation detected='false' status='NO_COVERAGE' numberOfTestsRun='0'><sourceFile>NotCovered.java</sourceFile>");
+            .contains(
+                    "<mutation detected='false' status='NO_COVERAGE' numberOfTestsRun='0'><sourceFile>NotCovered.java</sourceFile>");
+  }
+
+  @Test(expected = FileNotFoundException.class)
+  public void shouldNotExecuteWhenSkipTestsFlagActive() throws Exception {
+    File testDir = prepare("/pit-skipTests-active");
+    verifier.addCliOption("-DskipTests");
+    verifier.executeGoal("test");
+    verifier.executeGoal("org.pitest:pitest-maven:mutationCoverage");
+
+    readResults(testDir);
   }
 
   @Test

pitest-maven-verification/src/test/resources/pit-skipTests-active/pom.xml

@@ -0,0 +1,59 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+		 xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<groupId>com.example</groupId>
+	<artifactId>junit-categories-check</artifactId>
+	<packaging>jar</packaging>
+	<version>1.0-SNAPSHOT</version>
+	<name>skipTests-active</name>
+	<dependencies>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.11</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-compiler-plugin</artifactId>
+				<version>2.4</version>
+				<configuration>
+					<source>1.7</source>
+					<target>1.7</target>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<version>2.18.1</version>
+				<configuration>
+					<excludes>
+						<exclude>**/FailingTest.java</exclude>
+						<exclude>**/BadTest.java</exclude>
+					</excludes>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.pitest</groupId>
+				<artifactId>pitest-maven</artifactId>
+				<version>${pit.version}</version>
+				<configuration>
+					<exportLineCoverage>true</exportLineCoverage>
+					<outputFormats>
+						<value>XML</value>
+					</outputFormats>
+					<features>+CLASSLIMIT(limit[1])</features>
+					<timestampedReports>false</timestampedReports>
+					<mutators>
+						<mutator>NEGATE_CONDITIONALS</mutator>
+					</mutators>
+					<verbose>true</verbose>
+				</configuration>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

pitest-maven-verification/src/test/resources/pit-skipTests-active/src/main/java/com/example/Covered.java

@@ -0,0 +1,13 @@
+package com.example;
+
+public class Covered {
+
+  public static int someCode(int i) {
+    if ( i == 0 ) {
+      return 1;
+    }
+
+    return 1;
+  }
+
+}

pitest-maven-verification/src/test/resources/pit-skipTests-active/src/main/java/com/example/NotCovered.java

@@ -0,0 +1,17 @@
+package com.example;
+
+public class NotCovered {
+
+  public static int someCode(int i) {
+    if ( i == 0 ) {
+      return 1;
+    }
+
+    if ( i == 2 ) {
+      return 42;
+    }
+
+    return i;
+  }
+
+}

pitest-maven-verification/src/test/resources/pit-skipTests-active/src/test/java/com/example/AnotherTest.java

@@ -0,0 +1,21 @@
+package com.example;
+
+import java.util.Arrays;
+import java.util.Collection;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class AnotherTest {
+
+  @Test
+  public void aTest() {
+    assertEquals(1, Covered.someCode(0));
+  }
+
+  @Test
+  public void anotherTest() {
+    assertEquals(1, Covered.someCode(1));
+  }
+
+}

pitest-maven-verification/src/test/resources/pit-skipTests-active/src/test/java/com/example/BadTest.java

@@ -0,0 +1,16 @@
+package com.example;
+
+import java.util.Arrays;
+import java.util.Collection;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+
+public class BadTest {
+
+  @Test
+  public void aTest() {
+    assertEquals(1, 2);
+  }
+
+}

pitest-maven/src/main/java/org/pitest/maven/AbstractPitMojo.java

@@ -312,7 +312,7 @@ public class AbstractPitMojo extends AbstractMojo {
   /**
    * honours common skipTests flag in a maven run
    */
-  @Parameter(defaultValue = "false")
+  @Parameter(property = "skipTests", defaultValue = "false")
   private boolean                     skipTests;
 
   /**