SLING-2027 - SlingRemoteTestParameters: make tests count check optional

git-svn-id: https://svn.apache.org/repos/asf/sling/trunk@1080639 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestParameters.java b/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestParameters.java
index 69d83ea..7dd7944 100644
--- a/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestParameters.java
+++ b/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestParameters.java
@@ -32,9 +32,4 @@
      *  for example "someMethodName"
      */
     String getTestMethodSelector();
-    
-    /** Return the expected number of tests - if zero, no check
-     *  is done.
-     */
-    int getExpectedNumberOfTests();
 }
diff --git a/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestRunner.java b/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestRunner.java
index 8399d95..175b774 100644
--- a/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestRunner.java
+++ b/src/main/java/org/apache/sling/junit/remote/testrunner/SlingRemoteTestRunner.java
@@ -16,8 +16,6 @@
  */
 package org.apache.sling.junit.remote.testrunner;
 
-import static org.junit.Assert.assertEquals;
-
 import java.util.LinkedList;
 import java.util.List;
 
@@ -96,11 +94,9 @@
         log.info("Server-side tests executed at {} with path {}", 
                 testParameters.getJunitServletUrl(), testHttpClient.getTestExecutionPath());
         
-        // Check that number of tests is as expected
-        if(testParameters.getExpectedNumberOfTests() >= 0) {
-            assertEquals("Expecting " + testParameters.getExpectedNumberOfTests() + " tests",
-                    testParameters.getExpectedNumberOfTests(),
-                    children.size());
+        // Optionally check that number of tests is as expected
+        if(testParameters instanceof SlingTestsCountChecker) {
+            ((SlingTestsCountChecker)testParameters).checkNumberOfTests(children.size());
         }
     }
     
diff --git a/src/main/java/org/apache/sling/junit/remote/testrunner/SlingTestsCountChecker.java b/src/main/java/org/apache/sling/junit/remote/testrunner/SlingTestsCountChecker.java
new file mode 100644
index 0000000..31bdb37
--- /dev/null
+++ b/src/main/java/org/apache/sling/junit/remote/testrunner/SlingTestsCountChecker.java
@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.sling.junit.remote.testrunner;
+
+/** Tests classes can implement this interface to check the
+ *  number of tests that are executed remotely. This is useful
+ *  when tests are loaded dynamically, to check that all the required
+ *  tests have indeed been executed, for example in continuous
+ *  integration.
+ */
+public interface SlingTestsCountChecker {
+    void checkNumberOfTests(int numberOfTestsExecuted);
+}