Displaying only start of stack trace

Author: FredTreg

docker/kotlin-compiler-junit-runner.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-echo "TECHIO> terminal"
+#echo "TECHIO> terminal"
 # Can be invoked as:
 #       xxx.sh SOURCE_DIR TestClass
 #       xxx.sh SOURCE_DIR TestClass#testMethod
@@ -37,7 +37,5 @@ compilationExitCode=$?
 if [ $compilationExitCode -eq 0 ]; then
     java -cp "${WORKSPACE_DIR}:$classpath:/opt/techio/junit-runner/junit-runner.jar" io.tech.runner.junit.JUnitTestListRunner $1
 else
-    sleep 1000
     exit $compilationExitCode
 fi
-sleep 1000

maven3-junit4-runner/src/main/java/io/tech/runner/junit/JUnitTest.java

@@ -12,6 +12,8 @@ class JUnitTest {
      * This captures ClassName or ClassName#methodName (e.g. TestBoid#testUnique)
      */
     private static final Pattern COMMAND_PATTERN = Pattern.compile("(?<class>[^#]+)(?:#(?<method>[^#]+))?");
+    
+    private String stackStop = null;
 
     int run(String testcaseSpecification) {
         Request request = findRequest(testcaseSpecification);
@@ -31,9 +33,11 @@ Request findRequest(String testcaseSpecification) {
                 String method = matcher.group("method");
                 if (method != null) {
                     request = Request.method(clazz, method);
+                    stackStop = clazz.getName() + "." + method;
                 }
                 else {
                     request = Request.aClass(clazz);
+                    stackStop = clazz.getName();
                 }
             }
             catch (ClassNotFoundException ignored) {}
@@ -43,7 +47,7 @@ Request findRequest(String testcaseSpecification) {
 
     private int runTestCase(Request request) {
         JUnitCore jUnitCore = new JUnitCore();
-        jUnitCore.addListener(new TestResultFormatter());
+        jUnitCore.addListener(new TestResultFormatter(stackStop));
         return jUnitCore.run(request).wasSuccessful() ? 0 : 1;
     }
 }

maven3-junit4-runner/src/main/java/io/tech/runner/junit/TestResultFormatter.java

@@ -1,11 +1,46 @@
 package io.tech.runner.junit;
 
+import java.io.BufferedOutputStream;
+import java.io.PrintStream;
+
 import org.junit.runner.notification.Failure;
 import org.junit.runner.notification.RunListener;
 
 public class TestResultFormatter extends RunListener {
+    
+    private String stackStop;
+    
+    public TestResultFormatter(String stackStop) {
+        this.stackStop = stackStop;
+    }
+    
     @Override
     public void testFailure(Failure failure) {
-        failure.getException().printStackTrace();
+        
+        String[] stackLines = failure.getTrace().split("\n");
+        
+        int excludeStart = stackLines.length;
+        int excludeStop = stackLines.length;
+        
+        for (int i = 0, il = stackLines.length; i < il; i++) {
+            if (stackLines[i].contains(stackStop)) {
+                excludeStart = i + 1;
+                break;
+            }
+        }
+        for (int i = excludeStart, il = stackLines.length; i < il; i++) {
+            if (stackLines[i].contains("Caused by")) {
+                excludeStop = i - 1;
+                break;
+            }
+        }
+        
+        PrintStream ps = new PrintStream(new BufferedOutputStream(System.err));
+        
+        for (int i = 0, il = stackLines.length; i < il; i++) {
+            if (i < excludeStart || i > excludeStop) {
+                ps.print(stackLines[i]);
+            }
+        }
     }
 }