Add ability to fail if not test founds

Author: GrigorievNick

pom.xml

@@ -11,7 +11,7 @@
   <groupId>org.scalatest</groupId>
   <artifactId>scalatest-maven-plugin</artifactId>
   <packaging>maven-plugin</packaging>
-  <version>2.0.2</version>
+  <version>2.0.3</version>
   <name>ScalaTest Maven Plugin</name>
   <description>Integrates ScalaTest into Maven</description>
 

src/main/java/org/scalatest/tools/maven/AbstractScalaTestMojo.java

@@ -217,6 +217,13 @@ abstract class AbstractScalaTestMojo extends AbstractMojo {
      */
     boolean logForkedProcessCommand;
 
+    /**
+     * Fail test of not test suite discovered.
+     *
+     * @parameter property="failIfNoTests" default-value="false"
+     */
+    boolean failIfNoTests = false;
+
     /**
      * Span scale factor.
      *
@@ -398,7 +405,7 @@ private List<String> testClasspathElements() {
     }
 
     // This is the configuration parameters shared by all concrete Mojo subclasses
-    List<String> sharedConfiguration() {
+    List<String> sharedConfiguration() throws MojoFailureException {
         return unmodifiableList(
             new ArrayList<String>() {{
             addAll(runpath());
@@ -481,7 +488,7 @@ private List<String> parallel() {
     // a substring.  A -t argument is used for tests preceded by an '@'
     // sign, and -z is used for others.
     //
-    private List<String> suites() {
+    private List<String> suites() throws MojoFailureException {
         List<String> list = new ArrayList<String>();
 
         for (String suite: splitOnComma(suites)) {
@@ -496,6 +503,8 @@ private List<String> suites() {
                 }
             }
         }
+        if(failIfNoTests && list.isEmpty())
+            throw new MojoFailureException( "No tests were executed! (Set -DfailIfNoTests=false to ignore this error.)");
         return unmodifiableList(list);
     }
 

src/main/java/org/scalatest/tools/maven/ReporterMojo.java

@@ -83,11 +83,8 @@ public void generate(Sink sink, Locale locale) throws MavenReportException {
         }
     }
 
-    private String[] configuration() {
-        return concat(
-                sharedConfiguration(),
-                fileReporterConfig()
-        );
+    private String[] configuration() throws MojoFailureException {
+        return concat(sharedConfiguration(), fileReporterConfig());
     }
 
     private List<String> fileReporterConfig() {

src/main/java/org/scalatest/tools/maven/TestMojo.java

@@ -111,7 +111,7 @@ public void execute() throws MojoExecutionException, MojoFailureException {
         }
     }
 
-    String[] configuration() {
+    String[] configuration() throws MojoFailureException {
         return concat(
                 sharedConfiguration(),
                 stdout(),