Examples with Debugger org.mvel2.debug.Debugger used on opensource projects

Example 21 with Debugger

use of org.mvel2.debug.Debugger in project mvel by mvel.

the class DebuggerTests method testBreakpoints4.

public void testBreakpoints4() {
    String expression = "System.out.println('foo');\n" + "a = new Foo244();\n" + "update (a) { name = 'bar' };\n" + "System.out.println('name:' + a.name);\n" + "return a.name;";
    Map<String, Interceptor> interceptors = new HashMap<String, Interceptor>();
    Map<String, Macro> macros = new HashMap<String, Macro>();
    class TestResult {

        boolean firedBefore;

        boolean firedAfter;
    }
    final TestResult result = new TestResult();
    interceptors.put("Update", new Interceptor() {

        public int doBefore(ASTNode node, VariableResolverFactory factory) {
            ((WithNode) node).getNestedStatement().getValue(null, factory);
            System.out.println("fired update interceptor -- before");
            result.firedBefore = true;
            return 0;
        }

        public int doAfter(Object val, ASTNode node, VariableResolverFactory factory) {
            System.out.println("fired update interceptor -- after");
            result.firedAfter = true;
            return 0;
        }
    });
    macros.put("update", new Macro() {

        public String doMacro() {
            return "@Update with";
        }
    });
    expression = parseMacros(expression, macros);
    ParserContext ctx = new ParserContext();
    ctx.setDebugSymbols(true);
    ctx.setSourceFile("test2.mv");
    ctx.addImport("Foo244", Foo.class);
    ctx.setInterceptors(interceptors);
    ExpressionCompiler compiler = new ExpressionCompiler(expression, ctx);
    CompiledExpression compiled = compiler.compile();
    System.out.println("\nExpression:------------");
    System.out.println(expression);
    System.out.println("------------");
    MVELRuntime.registerBreakpoint("test2.mv", 3);
    MVELRuntime.registerBreakpoint("test2.mv", 4);
    MVELRuntime.registerBreakpoint("test2.mv", 5);
    final Set<Integer> breaked = new HashSet<Integer>();
    Debugger testDebugger = new Debugger() {

        public int onBreak(Frame frame) {
            System.out.println("Breakpoint [source:" + frame.getSourceName() + "; line:" + frame.getLineNumber() + "]");
            breaked.add(frame.getLineNumber());
            return 0;
        }
    };
    MVELRuntime.setThreadDebugger(testDebugger);
    assertEquals("bar", MVEL.executeDebugger(compiled, null, new MapVariableResolverFactory(createTestMap())));
    assertTrue("did not fire before", result.firedBefore);
    assertTrue("did not fire after", result.firedAfter);
    assertEquals("did not break at expected points", Make.Set.<Integer>$()._(3)._(4)._(5)._finish(), breaked);
}

Example 22 with Debugger

use of org.mvel2.debug.Debugger in project drools by kiegroup.

the class HelloWorldTest method testHelloWorldDebug.

@Test
public void testHelloWorldDebug() throws Exception {
    final Set<String> knownVariables = new HashSet<String>();
    MVELRuntime.resetDebugger();
    MVELDebugHandler.setDebugMode(true);
    MVELRuntime.setThreadDebugger(new Debugger() {

        public int onBreak(Frame frame) {
            System.out.println("onBreak");
            for (String var : frame.getFactory().getKnownVariables()) {
                knownVariables.add(var);
            }
            return 0;
        }
    });
    String source = "org.drools.integrationtests.Rule_Hello_World";
    MVELRuntime.registerBreakpoint(source, 1);
    // load up the knowledge base
    KieBase kbase = readKnowledgeBase();
    KieSession ksession = createKnowledgeSession(kbase);
    File testTmpDir = new File("target/test-tmp/");
    testTmpDir.mkdirs();
    KieRuntimeLogger logger = KnowledgeRuntimeLoggerFactory.newFileLogger(ksession, "target/test-tmp/testHelloWorldDebug");
    // go !
    Message message = new Message();
    message.setMessage("Hello World");
    message.setStatus(Message.HELLO);
    ksession.insert(message);
    ksession.fireAllRules();
    logger.close();
    assertEquals(6, knownVariables.size());
    assertTrue(knownVariables.contains("drools"));
    assertTrue(knownVariables.contains("myMessage"));
    assertTrue(knownVariables.contains("rule"));
    assertTrue(knownVariables.contains("kcontext"));
    assertTrue(knownVariables.contains("this"));
    assertTrue(knownVariables.contains("m"));
    assertTrue(knownVariables.contains("myMessage"));
}