Ejemplo n.º 1
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  public void testProvidedExternalTypes() {
    ExpressionCompiler compiler = new ExpressionCompiler("foo.bar");
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    ctx.addInput("foo", Foo.class);

    compiler.compile(ctx);
  }
Ejemplo n.º 2
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  public void testStrictStaticMethodCall() {
    ExpressionCompiler compiler = new ExpressionCompiler("Bar.staticMethod()");
    ParserContext ctx = new ParserContext();
    ctx.addImport("Bar", Bar.class);
    ctx.setStrictTypeEnforcement(true);

    Serializable s = compiler.compile(ctx);

    assertEquals(1, executeExpression(s));
  }
Ejemplo n.º 3
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  public void testStaticFieldAccessForInputsWithStrictStrong() {
    ParserContext pCtx = ParserContext.create();
    pCtx.setStrictTypeEnforcement(true);
    pCtx.setStrongTyping(true);
    MVEL.analysisCompile("java.math.BigDecimal.TEN", pCtx);

    assertFalse(pCtx.getInputs().containsKey("java"));

    assertEquals(0, pCtx.getInputs().size());

    MVEL.COMPILER_OPT_ALLOW_NAKED_METH_CALL = true;
    pCtx = ParserContext.create();
    pCtx.setStrictTypeEnforcement(true);
    pCtx.setStrongTyping(true);
    MVEL.analysisCompile("java.math.BigDecimal.TEN", pCtx);

    assertFalse(pCtx.getInputs().containsKey("java"));

    assertEquals(0, pCtx.getInputs().size());
  }
Ejemplo n.º 4
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  public void testStrictTypingCompilation4() throws NoSuchMethodException {
    ParserContext ctx = new ParserContext();

    ctx.addImport(Foo.class);
    ctx.setStrictTypeEnforcement(true);

    ExpressionCompiler compiler = new ExpressionCompiler("x_a = new Foo()");

    compiler.compile(ctx);

    assertEquals(Foo.class, ctx.getVariables().get("x_a"));
  }
Ejemplo n.º 5
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  public void testStrictTypingCompilation3() throws NoSuchMethodException {
    ParserContext ctx = new ParserContext();

    ctx.setStrictTypeEnforcement(true);

    ExpressionCompiler compiler =
        new ExpressionCompiler(
            "message='Hello';b=7;\nSystem.out.println(message + ';' + b);\n"
                + "System.out.println(message + ';' + b); b");

    assertEquals(
        7, executeExpression(compiler.compile(ctx), new DefaultLocalVariableResolverFactory()));
  }
Ejemplo n.º 6
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  public void testStrictStrongTypingCompilationErrors2() throws Exception {
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    ctx.setStrongTyping(true);
    ctx.addImport(Foo.class);
    ctx.addInput("$bar", Bar.class);

    try {
      MVEL.compileExpression("x_a = new Foo244( $ba ); x_a.equals($ba);", ctx);
      fail("This should not compileShared");
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
Ejemplo n.º 7
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  public void testDetermineRequiredInputsInConstructor() throws Exception {
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(false);
    ctx.setStrongTyping(false);
    ctx.addImport(Foo.class);

    ExpressionCompiler compiler = new ExpressionCompiler("new Foo244( $bar,  $bar.age );");

    Serializable compiled = compiler.compile(ctx);

    Set<String> requiredInputs = compiler.getParserContextState().getInputs().keySet();
    assertEquals(1, requiredInputs.size());
    assertTrue(requiredInputs.contains("$bar"));
  }
Ejemplo n.º 8
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  public void testStrictStrongTypingCompilationErrors1() throws Exception {
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    ctx.setStrongTyping(true);
    ctx.addImport(Foo.class);
    ctx.addInput("$bar", Bar.class);

    try {
      ExpressionCompiler compiler = new ExpressionCompiler("System.out.println( $ba );");

      compiler.compile(ctx);
      fail("This should not compileShared");
    } catch (Exception e) {
    }
  }
Ejemplo n.º 9
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  public void testMapAsContextWithStrictTyping() {
    ExpressionCompiler compiler = new ExpressionCompiler("this['KEY1'] == $msg");
    ParserContext ctx = new ParserContext();
    ctx.setStrictTypeEnforcement(true);
    ctx.setStrongTyping(true);
    ctx.addInput("$msg", String.class);
    ctx.addInput("this", Map.class);
    Serializable expr = compiler.compile(ctx);

    Map map = new HashMap();
    map.put("KEY1", "MSGONE");
    Map vars = new HashMap();
    vars.put("$msg", "MSGONE");

    Boolean bool = (Boolean) executeExpression(expr, map, vars);
    assertEquals(Boolean.TRUE, bool);
  }
Ejemplo n.º 10
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  public void testMVEL232() {
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.setStrictTypeEnforcement(true);

    String script =
        "for(int i=0;i<2;i++) { " + "  System.out.println(i+\"\");" + "} " + " return true;";

    try {
      CompiledExpression compiled = (CompiledExpression) MVEL.compileExpression(script, ctx);
      HashMap<String, Object> map = new HashMap<String, Object>();
      MVEL.executeExpression(compiled, map);
    } catch (Exception e) {
      e.printStackTrace();
      fail("should now throw an exception");
    }
  }
Ejemplo n.º 11
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  public void testStrictTypingCompilation2() throws Exception {
    ParserContext ctx = new ParserContext();
    //noinspection RedundantArrayCreation
    ctx.addImport(
        "getRuntime", new MethodStub(Runtime.class.getMethod("getRuntime", new Class[] {})));

    ctx.setStrictTypeEnforcement(true);

    ExpressionCompiler compiler = new ExpressionCompiler("getRuntime()");
    StaticMethodImportResolverFactory si = new StaticMethodImportResolverFactory(ctx);

    Serializable expression = compiler.compile(ctx);

    serializationTest(expression);

    assertTrue(executeExpression(expression, si) instanceof Runtime);
  }
Ejemplo n.º 12
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  public void testMVEL228() {
    ParserContext ctx = new ParserContext();
    ctx.setStrongTyping(true);
    ctx.setStrictTypeEnforcement(true);
    HashMap<String, Class> params = new HashMap<String, Class>();
    params.put("helper", ScriptHelper228.class);
    params.put("person", Person228.class);

    ctx.setInputs(params);

    String script = "helper.methodB(2);\n" + "person.getName2();";
    try {
      CompiledExpression compiled = (CompiledExpression) MVEL.compileExpression(script, ctx);
    } catch (Exception e) {
      return;
    }

    fail("Should have thrown an exception");
  }
Ejemplo n.º 13
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  public void testDataConverterStrictMode() throws Exception {
    OptimizerFactory.setDefaultOptimizer("ASM");

    DataConversion.addConversionHandler(Date.class, new MVELDateCoercion());

    ParserContext ctx = new ParserContext();
    ctx.addImport("Cheese", Cheese.class);
    ctx.setStrongTyping(true);
    ctx.setStrictTypeEnforcement(true);

    Locale.setDefault(Locale.US);

    Cheese expectedCheese = new Cheese();
    expectedCheese.setUseBy(new SimpleDateFormat("dd-MMM-yyyy").parse("10-Jul-1974"));

    ExpressionCompiler compiler =
        new ExpressionCompiler("c = new Cheese(); c.useBy = '10-Jul-1974'; return c");
    Cheese actualCheese = (Cheese) executeExpression(compiler.compile(ctx), createTestMap());
    assertEquals(expectedCheese.getUseBy(), actualCheese.getUseBy());
  }
Ejemplo n.º 14
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  public void testStaticMethodsInInputsBug() {
    String text = " getList( java.util.Formatter )";

    ParserConfiguration pconf = new ParserConfiguration();
    for (Method m : CoreConfidenceTests.StaticMethods.class.getMethods()) {
      if (Modifier.isStatic(m.getModifiers())) {
        pconf.addImport(m.getName(), m);
      }
    }
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrictTypeEnforcement(false);
    pctx.setStrongTyping(false);

    Map<String, Object> vars = new HashMap<String, Object>();

    Serializable expr = MVEL.compileExpression(text, pctx);
    List list = (List) MVEL.executeExpression(expr, null, vars);
    assertEquals(Formatter.class, list.get(0));

    assertEquals(0, pctx.getInputs().size());
  }
Ejemplo n.º 15
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  public void testStaticMethodCallThrowsException() {
    String text = " ( throwException( ) ) ";

    ParserConfiguration pconf = new ParserConfiguration();
    for (Method m : CoreConfidenceTests.StaticMethods.class.getMethods()) {
      if (Modifier.isStatic(m.getModifiers())) {
        pconf.addImport(m.getName(), m);
      }
    }
    ParserContext pctx = new ParserContext(pconf);
    pctx.setStrictTypeEnforcement(true);
    pctx.setStrongTyping(true);

    Map<String, Object> vars = new HashMap<String, Object>();
    Serializable expr = MVEL.compileExpression(text, pctx);
    try {
      MVEL.executeExpression(expr);
      fail("this should throw an exception");
    } catch (Exception e) {
      e.printStackTrace();
    }
  }