diff --git a/test/groovy/util/StepTracker.groovy b/test/groovy/util/StepTracker.groovy
new file mode 100644
index 000000000..748ad6532
--- /dev/null
+++ b/test/groovy/util/StepTracker.groovy
@@ -0,0 +1,69 @@
+package util
+
+import static com.lesfurets.jenkins.unit.MethodSignature.method
+import static util.StepHelper.getSteps
+
+import org.codehaus.groovy.runtime.MetaClassHelper
+import com.lesfurets.jenkins.unit.MethodSignature
+import com.lesfurets.jenkins.unit.PipelineTestHelper
+import groovy.json.JsonBuilder
+
+class StepTracker {
+
+    /*
+     * Contains the piper steps as key (derived from the test name, so this is blurry since it might
+     * contains also other cases than only piper step name) and the observed calls in a collection.
+     */
+    static Map piperStepCallMapping = [:]
+    static Set piperSteps = StepHelper.getSteps()
+
+    static Set calls
+
+    static {
+        initialize()
+    }
+
+    final static void initialize() {
+
+        PipelineTestHelper.metaClass.getAllowedMethodEntry = {
+
+            // We need to be careful here, in case we switch to another
+            // version of the Les Furets framework we have to check if
+            // this here still works.
+
+            String name, Object[] args ->
+
+            Class[] paramTypes = MetaClassHelper.castArgumentsToClassArray(args)
+            MethodSignature signature = method(name, paramTypes)
+            def intercepted = allowedMethodCallbacks.find { k, v -> k == signature }
+
+            if(intercepted != null)
+                StepTracker.add(name)
+
+            return intercepted
+        }
+    }
+
+    static void before(String stepName) {
+
+        if(piperStepCallMapping[stepName] == null)
+            piperStepCallMapping[stepName] = (Set)[]
+        calls = piperStepCallMapping[stepName]
+    }
+
+    static void after() {
+        calls = null
+        write()
+    }
+    static void add (String call) {
+        calls.add(call)
+    }
+
+    static private void write() {
+        Map root = [
+            piperSteps: piperSteps,
+            calls: piperStepCallMapping.sort()
+        ]
+        new File('target/trackedCalls.json').write(new JsonBuilder(root).toPrettyString())
+    }
+}