diff --git a/src/main/kotlin/com/beust/kobalt/api/IRunnerContributor.kt b/src/main/kotlin/com/beust/kobalt/api/IRunnerContributor.kt
index a0f9befd..24b6e153 100644
--- a/src/main/kotlin/com/beust/kobalt/api/IRunnerContributor.kt
+++ b/src/main/kotlin/com/beust/kobalt/api/IRunnerContributor.kt
@@ -1,9 +1,10 @@
 package com.beust.kobalt.api
 
 import com.beust.kobalt.TaskResult
+import com.beust.kobalt.maven.IClasspathDependency
 
 /**
- * Plugins that can run a project (task "run") should implement this interface.
+ * Plugins that can run a project (task "run" or "test") should implement this interface.
  */
 interface IRunnerContributor : IContributor {
     companion object {
@@ -23,7 +24,7 @@ interface IRunnerContributor : IContributor {
     /**
      * Run the project.
      */
-    fun run(project: Project, context: KobaltContext) : TaskResult
+    fun run(project: Project, context: KobaltContext, classpath: List<IClasspathDependency>) : TaskResult
 }
 
 
diff --git a/src/main/kotlin/com/beust/kobalt/internal/GenericRunner.kt b/src/main/kotlin/com/beust/kobalt/internal/GenericRunner.kt
index d4cc447b..46c30284 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/GenericRunner.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/GenericRunner.kt
@@ -2,6 +2,9 @@ package com.beust.kobalt.internal
 
 import com.beust.kobalt.JavaInfo
 import com.beust.kobalt.SystemProperties
+import com.beust.kobalt.TaskResult
+import com.beust.kobalt.api.IRunnerContributor
+import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.maven.IClasspathDependency
 import com.beust.kobalt.misc.KFiles
@@ -9,11 +12,15 @@ import com.beust.kobalt.misc.log
 import java.io.File
 import java.net.URLClassLoader
 
-abstract class GenericTestRunner(open val project: Project, open val classpath: List<IClasspathDependency>) {
+abstract class GenericTestRunner : IRunnerContributor {
     abstract val mainClass: String
-    abstract val args: List<String>
+    abstract fun args(project: Project, classpath: List<IClasspathDependency>) : List<String>
 
-    protected fun findTestClasses(): List<String> {
+    override fun run(project: Project, context: KobaltContext, classpath: List<IClasspathDependency>)
+            = TaskResult(runTests(project, context, classpath))
+
+
+    protected fun findTestClasses(project: Project, classpath: List<IClasspathDependency>): List<String> {
         val path = KFiles.joinDir(project.directory, project.buildDirectory, KFiles.TEST_CLASSES_DIR)
         val result = KFiles.findRecursively(File(path), arrayListOf(File(".")), {
             file -> file.endsWith(".class")
@@ -39,9 +46,10 @@ abstract class GenericTestRunner(open val project: Project, open val classpath:
     /**
      * @return true if all the tests passed
      */
-    fun runTests() : Boolean {
+    fun runTests(project: Project, context: KobaltContext, classpath: List<IClasspathDependency>) : Boolean {
         val jvm = JavaInfo.create(File(SystemProperties.javaBase))
         val java = jvm.javaExecutable
+        val args = args(project, classpath)
         if (args.size > 0) {
             val allArgs = arrayListOf<String>().apply {
                 add(java!!.absolutePath)
diff --git a/src/main/kotlin/com/beust/kobalt/internal/JUnitRunner.kt b/src/main/kotlin/com/beust/kobalt/internal/JUnitRunner.kt
index 29c63b10..3c249a81 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/JUnitRunner.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/JUnitRunner.kt
@@ -1,12 +1,19 @@
 package com.beust.kobalt.internal
 
+import com.beust.kobalt.api.IRunnerContributor
+import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.maven.IClasspathDependency
 
-public class JUnitRunner(override val project: Project, override val classpath: List<IClasspathDependency>)
-        : GenericTestRunner(project, classpath) {
+public class JUnitRunner() : GenericTestRunner() {
 
     override val mainClass = "org.junit.runner.JUnitCore"
-    override val args = findTestClasses()
+
+    override fun runAffinity(project: Project, context: KobaltContext) =
+            if (project.testDependencies.any { it.id.contains("junit")}) IRunnerContributor.DEFAULT_POSITIVE_AFFINITY
+            else 0
+
+    override fun args(project: Project, classpath: List<IClasspathDependency>) = findTestClasses(project, classpath)
+
 }
 
diff --git a/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt b/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
index 732ad3b7..a569cc2a 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
@@ -7,7 +7,9 @@ import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.api.annotation.ExportedProjectProperty
 import com.beust.kobalt.api.annotation.Task
-import com.beust.kobalt.maven.*
+import com.beust.kobalt.maven.DepFactory
+import com.beust.kobalt.maven.DependencyManager
+import com.beust.kobalt.maven.LocalRepo
 import com.beust.kobalt.misc.KFiles
 import com.beust.kobalt.misc.KobaltExecutors
 import com.beust.kobalt.misc.log
@@ -55,33 +57,18 @@ abstract class JvmCompilerPlugin @Inject constructor(
         addVariantTasks(project, "compile", runTask = { taskCompile(project) })
     }
 
-    /**
-     * @return the test dependencies for this project, including the contributors.
-     */
-    protected fun testDependencies(project: Project) : List<IClasspathDependency> {
-        val result = arrayListOf<IClasspathDependency>()
-        result.add(FileDependency(makeOutputDir(project).absolutePath))
-        result.add(FileDependency(makeOutputTestDir(project).absolutePath))
-        with(project) {
-            arrayListOf(compileDependencies, compileProvidedDependencies, testDependencies,
-                    testProvidedDependencies).forEach {
-                result.addAll(dependencyManager.calculateDependencies(project, context, projects(), it))
-            }
-        }
-        val result2 = dependencyManager.reorderDependencies(result)
-        return result2
-    }
-
     @Task(name = TASK_TEST, description = "Run the tests", runAfter = arrayOf("compile", "compileTest"))
     fun taskTest(project: Project) : TaskResult {
         lp(project, "Running tests")
-        val success =
-            if (project.testDependencies.any { it.id.contains("testng")} ) {
-                TestNgRunner(project, testDependencies(project)).runTests()
-            } else {
-                JUnitRunner(project, testDependencies(project)).runTests()
-            }
-        return TaskResult(success)
+
+        val runContributor = context.pluginInfo.testRunnerContributors.maxBy { it.runAffinity(project, context)}
+        if (runContributor != null && runContributor.runAffinity(project, context) > 0) {
+            return runContributor.run(project, context, dependencyManager.testDependencies(project, context,
+                    projects()))
+        } else {
+            log(2, "Couldn't find a test runner for project ${project.name}, not running any tests")
+            return TaskResult()
+        }
     }
 
     @Task(name = TASK_CLEAN, description = "Clean the project", runBefore = arrayOf("compile"))
@@ -94,14 +81,6 @@ abstract class JvmCompilerPlugin @Inject constructor(
         return TaskResult()
     }
 
-    protected fun makeOutputDir(project: Project) : File = makeDir(project, KFiles.CLASSES_DIR)
-
-    protected fun makeOutputTestDir(project: Project) : File = makeDir(project, KFiles.TEST_CLASSES_DIR)
-
-    private fun makeDir(project: Project, suffix: String) : File {
-        return File(project.directory, project.buildDirectory + File.separator + suffix).apply { mkdirs() }
-    }
-
     /**
      * Copy the resources from a source directory to the build one
      */
@@ -120,7 +99,7 @@ abstract class JvmCompilerPlugin @Inject constructor(
 
         if (sourceDirs.size > 0) {
             lp(project, "Copying $sourceSet resources")
-            val absOutputDir = File(KFiles.joinDir(project.directory, project.buildDirectory!!, outputDir))
+            val absOutputDir = File(KFiles.joinDir(project.directory, project.buildDirectory, outputDir))
             sourceDirs.map { File(project.directory, it) }.filter {
                 it.exists()
             } .forEach {
diff --git a/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt b/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt
index 7d16141f..d84403b3 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/KobaltPluginXml.kt
@@ -62,8 +62,11 @@ class KobaltPluginXml {
     @XmlElement(name = "build-directory-interceptors") @JvmField
     var buildDirectoryInterceptors: ClassNameXml? = null
 
-    @XmlElement(name = "run-contributors") @JvmField
-    var runContributors: ClassNameXml? = null
+    @XmlElement(name = "runner-contributors") @JvmField
+    var runnerContributors: ClassNameXml? = null
+
+    @XmlElement(name = "test-runner-contributors") @JvmField
+    var testRunnerContributors: ClassNameXml? = null
 }
 
 class ContributorXml {
@@ -91,7 +94,8 @@ class PluginInfo(val xml: KobaltPluginXml, val classLoader: ClassLoader?) {
     val compilerInterceptors = arrayListOf<ICompilerInterceptor>()
     val sourceDirectoriesInterceptors = arrayListOf<ISourceDirectoriesIncerceptor>()
     val buildDirectoryInterceptors = arrayListOf<IBuildDirectoryIncerceptor>()
-    val runContributors = arrayListOf<IRunnerContributor>()
+    val runnerContributors = arrayListOf<IRunnerContributor>()
+    val testRunnerContributors = arrayListOf<IRunnerContributor>()
 
     // Future contributors:
     // source files
@@ -165,8 +169,11 @@ class PluginInfo(val xml: KobaltPluginXml, val classLoader: ClassLoader?) {
         xml.buildDirectoryInterceptors?.className?.forEach {
             buildDirectoryInterceptors.add(factory.instanceOf(forName(it)) as IBuildDirectoryIncerceptor)
         }
-        xml.runContributors?.className?.forEach {
-            runContributors.add(factory.instanceOf(forName(it)) as IRunnerContributor)
+        xml.runnerContributors?.className?.forEach {
+            runnerContributors.add(factory.instanceOf(forName(it)) as IRunnerContributor)
+        }
+        xml.testRunnerContributors?.className?.forEach {
+            testRunnerContributors.add(factory.instanceOf(forName(it)) as IRunnerContributor)
         }
     }
 
diff --git a/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt b/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt
index 69177fc9..639f4164 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/TestNgRunner.kt
@@ -1,16 +1,21 @@
 package com.beust.kobalt.internal
 
+import com.beust.kobalt.api.IRunnerContributor
+import com.beust.kobalt.api.KobaltContext
 import com.beust.kobalt.api.Project
 import com.beust.kobalt.maven.IClasspathDependency
 import com.beust.kobalt.misc.KFiles
 import java.io.File
 
-public class TestNgRunner(override val project: Project, override val classpath: List<IClasspathDependency>)
-        : GenericTestRunner(project, classpath) {
+public class TestNgRunner() : GenericTestRunner() {
+
     override val mainClass = "org.testng.TestNG"
 
-    override val args: List<String>
-        get() = arrayListOf<String>().apply {
+    override fun runAffinity(project: Project, context: KobaltContext) =
+        if (project.testDependencies.any { it.id.contains("testng")}) IRunnerContributor.DEFAULT_POSITIVE_AFFINITY
+        else 0
+
+    override fun args(project: Project, classpath: List<IClasspathDependency>) = arrayListOf<String>().apply {
             if (project.testArgs.size > 0) {
                 addAll(project.testArgs)
             } else {
@@ -19,7 +24,7 @@ public class TestNgRunner(override val project: Project, override val classpath:
                     add(testngXml.absolutePath)
                 } else {
                     add("-testclass")
-                    addAll(findTestClasses())
+                    addAll(findTestClasses(project, classpath))
                 }
             }
         }
diff --git a/src/main/kotlin/com/beust/kobalt/maven/DependencyManager.kt b/src/main/kotlin/com/beust/kobalt/maven/DependencyManager.kt
index c3a9dbac..e2db13fd 100644
--- a/src/main/kotlin/com/beust/kobalt/maven/DependencyManager.kt
+++ b/src/main/kotlin/com/beust/kobalt/maven/DependencyManager.kt
@@ -114,4 +114,42 @@ public class DependencyManager @Inject constructor(val executors: KobaltExecutor
 
         return result
     }
+
+    /**
+     * @return the test dependencies for this project, including the contributors.
+     */
+    fun dependencies(project: Project, context: KobaltContext,
+            projects: List<ProjectDescription>) : List<IClasspathDependency> {
+        val result = arrayListOf<IClasspathDependency>()
+        result.add(FileDependency(KFiles.makeOutputDir(project).absolutePath))
+        result.add(FileDependency(KFiles.makeOutputTestDir(project).absolutePath))
+        with(project) {
+            arrayListOf(compileDependencies, compileProvidedDependencies).forEach {
+                result.addAll(calculateDependencies(project, context, projects, it))
+            }
+        }
+        val result2 = reorderDependencies(result)
+        return result2
+    }
+
+    /**
+     * @return the test dependencies for this project, including the contributors.
+     */
+    fun testDependencies(project: Project, context: KobaltContext,
+            projects: List<ProjectDescription>) : List<IClasspathDependency> {
+        val result = arrayListOf<IClasspathDependency>()
+        result.add(FileDependency(KFiles.makeOutputDir(project).absolutePath))
+        result.add(FileDependency(KFiles.makeOutputTestDir(project).absolutePath))
+        with(project) {
+            arrayListOf(compileDependencies, compileProvidedDependencies, testDependencies,
+                    testProvidedDependencies).forEach {
+                result.addAll(calculateDependencies(project, context, projects, it))
+            }
+        }
+        val result2 = reorderDependencies(result)
+        return result2
+    }
+
+
+
 }
diff --git a/src/main/kotlin/com/beust/kobalt/misc/KFiles.kt b/src/main/kotlin/com/beust/kobalt/misc/KFiles.kt
index d1c4d00f..9bc2d03f 100644
--- a/src/main/kotlin/com/beust/kobalt/misc/KFiles.kt
+++ b/src/main/kotlin/com/beust/kobalt/misc/KFiles.kt
@@ -2,6 +2,7 @@ package com.beust.kobalt.misc
 
 import com.beust.kobalt.SystemProperties
 import com.beust.kobalt.api.Kobalt
+import com.beust.kobalt.api.Project
 import com.beust.kobalt.homeDir
 import com.beust.kobalt.internal.build.BuildFile
 import java.io.File
@@ -239,6 +240,14 @@ class KFiles {
             }
 
         fun src(filePath: String): String = KFiles.joinDir(KOBALT_DIR, SRC, filePath)
+
+        fun makeDir(project: Project, suffix: String) : File {
+            return File(project.directory, project.buildDirectory + File.separator + suffix).apply { mkdirs() }
+        }
+
+        fun makeOutputDir(project: Project) : File = makeDir(project, KFiles.CLASSES_DIR)
+
+        fun makeOutputTestDir(project: Project) : File = makeDir(project, KFiles.TEST_CLASSES_DIR)
     }
 
     fun findRecursively(directory: File, function: Function1<String, Boolean>): List<String> {
diff --git a/src/main/kotlin/com/beust/kobalt/plugin/android/AndroidPlugin.kt b/src/main/kotlin/com/beust/kobalt/plugin/android/AndroidPlugin.kt
index ea8ecbc4..2fb7c3cc 100644
--- a/src/main/kotlin/com/beust/kobalt/plugin/android/AndroidPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/plugin/android/AndroidPlugin.kt
@@ -397,7 +397,7 @@ public class AndroidPlugin @Inject constructor(val javaCompiler: JavaCompiler, v
         return if (File(manifest).exists()) IRunnerContributor.DEFAULT_POSITIVE_AFFINITY else 0
     }
 
-    override fun run(project: Project, context: KobaltContext): TaskResult {
+    override fun run(project: Project, context: KobaltContext, classpath: List<IClasspathDependency>): TaskResult {
         val manifest = AndroidFiles.manifest(project, context)
         FileInputStream(File(manifest)).use { ins ->
             // adb shell am start -n com.package.name/com.package.name.ActivityName
diff --git a/src/main/kotlin/com/beust/kobalt/plugin/application/ApplicationPlugin.kt b/src/main/kotlin/com/beust/kobalt/plugin/application/ApplicationPlugin.kt
index 9ef1e7ab..0700e105 100644
--- a/src/main/kotlin/com/beust/kobalt/plugin/application/ApplicationPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/plugin/application/ApplicationPlugin.kt
@@ -6,6 +6,7 @@ import com.beust.kobalt.api.annotation.Directive
 import com.beust.kobalt.api.annotation.Task
 import com.beust.kobalt.internal.JvmCompilerPlugin
 import com.beust.kobalt.maven.DependencyManager
+import com.beust.kobalt.maven.IClasspathDependency
 import com.beust.kobalt.misc.KobaltExecutors
 import com.beust.kobalt.misc.RunCommand
 import com.beust.kobalt.misc.warn
@@ -48,15 +49,17 @@ class ApplicationPlugin @Inject constructor(val executors: KobaltExecutors,
 
     @Task(name = "run", description = "Run the main class", runAfter = arrayOf("install"))
     fun taskRun(project: Project): TaskResult {
-        val runContributor = context.pluginInfo.runContributors.maxBy { it.runAffinity(project, context)}
+        val runContributor = context.pluginInfo.runnerContributors.maxBy { it.runAffinity(project, context)}
         if (runContributor != null && runContributor.runAffinity(project, context) > 0) {
-            return runContributor.run(project, context)
+            return runContributor.run(project, context, dependencyManager.dependencies(project, context, projects()))
         } else {
             warn("Couldn't find a runner for project ${project.name}")
             return TaskResult()
         }
     }
 
+    private fun projects() = context.pluginInfo.projectContributors.flatMap { it.projects() }
+
     private fun isFatJar(packages: List<PackageConfig>, jarName: String): Boolean {
         packages.forEach { pc ->
             pc.jars.forEach { jar ->
@@ -74,7 +77,7 @@ class ApplicationPlugin @Inject constructor(val executors: KobaltExecutors,
         return if (configurationFor(project) != null) IRunnerContributor.DEFAULT_POSITIVE_AFFINITY else 0
     }
 
-    override fun run(project: Project, context: KobaltContext): TaskResult {
+    override fun run(project: Project, context: KobaltContext, classpath: List<IClasspathDependency>): TaskResult {
         var result = TaskResult()
         configurationFor(project)?.let { config ->
             if (config.mainClass != null) {
diff --git a/src/main/kotlin/com/beust/kobalt/plugin/java/JavaPlugin.kt b/src/main/kotlin/com/beust/kobalt/plugin/java/JavaPlugin.kt
index 662f822d..894c2cea 100644
--- a/src/main/kotlin/com/beust/kobalt/plugin/java/JavaPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/plugin/java/JavaPlugin.kt
@@ -81,8 +81,9 @@ class JavaPlugin @Inject constructor(
         val result =
             if (sourceFiles.size > 0) {
                 copyResources(project, JvmCompilerPlugin.SOURCE_SET_TEST)
-                val buildDir = makeOutputTestDir(project)
-                javaCompiler.compile(project, context, CompilerActionInfo(project.directory, testDependencies(project),
+                val buildDir = KFiles.makeOutputTestDir(project)
+                javaCompiler.compile(project, context, CompilerActionInfo(project.directory,
+                        dependencyManager.testDependencies(project, context, projects()),
                         sourceFiles, buildDir, compilerArgsFor(project)))
             } else {
                 warn("Couldn't find any tests to compile")
diff --git a/src/main/kotlin/com/beust/kobalt/plugin/kotlin/KotlinPlugin.kt b/src/main/kotlin/com/beust/kobalt/plugin/kotlin/KotlinPlugin.kt
index ddd2c43b..fa967508 100644
--- a/src/main/kotlin/com/beust/kobalt/plugin/kotlin/KotlinPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/plugin/kotlin/KotlinPlugin.kt
@@ -69,9 +69,9 @@ class KotlinPlugin @Inject constructor(
 
         val result =
             if (sourceFiles.size > 0) {
-                compilePrivate(project, testDependencies(project),
+                compilePrivate(project, dependencyManager.testDependencies(project, context, projects()),
                         sourceFiles,
-                        makeOutputTestDir(project))
+                        KFiles.makeOutputTestDir(project))
             } else {
                 warn("Couldn't find any test files")
                 TaskResult()
diff --git a/src/main/resources/META-INF/kobalt-plugin.xml b/src/main/resources/META-INF/kobalt-plugin.xml
index 4e11e200..e9435e2d 100644
--- a/src/main/resources/META-INF/kobalt-plugin.xml
+++ b/src/main/resources/META-INF/kobalt-plugin.xml
@@ -37,8 +37,12 @@
     <compiler-interceptors>
         <class-name>com.beust.kobalt.plugin.android.AndroidPlugin</class-name>
     </compiler-interceptors>
-    <run-contributors>
+    <runner-contributors>
         <class-name>com.beust.kobalt.plugin.application.ApplicationPlugin</class-name>
         <class-name>com.beust.kobalt.plugin.android.AndroidPlugin</class-name>
-    </run-contributors>
+    </runner-contributors>
+    <test-runner-contributors>
+        <class-name>com.beust.kobalt.internal.JUnitRunner</class-name>
+        <class-name>com.beust.kobalt.internal.TestNgRunner</class-name>
+    </test-runner-contributors>
 </kobalt-plugin>
\ No newline at end of file