Executing the HamcrestWrapper in a integration test

- need to add a hamcrest dependency for main code
- switched the HamcrestWrapper from wrapping a Matcher to wrapping a BeMatcher
- interestingly I had to declare an explicite return type to violationFree to make it work.

build.gradle

@@ -107,7 +107,8 @@ dependencies {
 
 	testCompile 'junit:junit:4.11'
 	compile 'org.scalatest:scalatest_2.10:2.0'
-
+    compile 'org.hamcrest:hamcrest-all:1.3'
+
 	//javafx
 	compile files(getJavaFXPath(javafxLib))
 }

src/main/scala/de/schauderhaft/degraph/check/Check.scala

@@ -44,7 +44,7 @@ object Check {
    * a matcher for Configurations testing if the classes specified in the configuration
    * adhere to the dependency constraints configured in the configuration.
    */
-  val violationFree = new BeMatcher[ConstraintBuilder] {
+  val violationFree: BeMatcher[ConstraintBuilder] = new BeMatcher[ConstraintBuilder] {
     def apply(constraintBuilder: ConstraintBuilder) = {
       val conf = constraintBuilder.configuration
       val g = conf.createGraph()

src/main/scala/de/schauderhaft/degraph/hamcrest/HamcrestWrapper.scala

@@ -1,6 +1,6 @@
 package de.schauderhaft.degraph.hamcrest
 
-import org.scalatest.matchers.{ Matcher => SMatcher }
+import org.scalatest.matchers.{ BeMatcher => SMatcher }
 import org.hamcrest.Matcher
 import org.hamcrest.TypeSafeMatcher
 import org.hamcrest.Description

src/test/java/de/schauderhaft/degraph/check/JavaCheckApiTest.java

@@ -2,8 +2,12 @@
 
 import de.schauderhaft.degraph.configuration.NamedPattern;
 import de.schauderhaft.degraph.check.Check;
+import de.schauderhaft.degraph.hamcrest.HamcrestWrapper;
 
 import org.junit.Test;
+import org.scalatest.Matchers;
+
+import scala.annotation.meta.beanGetter;
 import static org.hamcrest.core.Is.*;
 
 import static org.junit.Assert.assertThat;
@@ -56,6 +60,6 @@ public void degraphHonoursItsConstraintsJavaStyle() {
 								new NamedPattern("internal",
 										"de.schauderhaft.**"),
 								new NamedPattern("external", "**")),
-				is(Check.violationFree()));
+				is(new HamcrestWrapper<ConstraintBuilder>(Check.violationFree())));
 	}
 }

src/test/scala/de/schauderhaft/degraph/hamcrest/HamcrestWrapperTest.scala

@@ -4,7 +4,7 @@ import org.scalatest.Matchers._
 import org.junit.runner.RunWith
 import org.scalatest.FunSuite
 import org.scalatest.junit.JUnitRunner
-import org.scalatest.matchers.{ Matcher => SMatcher }
+import org.scalatest.matchers.{ BeMatcher => SMatcher }
 import org.hamcrest.{ Matcher => HMatcher }
 import org.scalatest.matchers.MatchResult
 import org.scalatest.prop.PropertyChecks