public void testGenerics1() {
String str =
"addresses[0] == new Address(\"s1\") && addresses[0].street == new Address(\"s1\").street";
ParserConfiguration pconf = new ParserConfiguration();
ParserContext pctx = new ParserContext(pconf);
pctx.setStrongTyping(true);
pctx.addInput("this", PersonAddresses.class);
pctx.addImport(Address.class);
pctx.addImport(PersonAddresses.class);
ExecutableStatement stmt = (ExecutableStatement) MVEL.compileExpression(str, pctx);
PersonAddresses ctx = new PersonAddresses();
ctx.getAddresses().add(new Address("s1"));
Boolean result = (Boolean) MVEL.executeExpression(stmt, ctx);
assertTrue(result);
}
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));
}
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"));
}
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();
}
}
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"));
}
public void testMapPropertyAccess() {
ParserContext ctx = new ParserContext();
ctx.addImport(MapWrapper.class);
ctx.addInput("wrapper", MapWrapper.class);
ctx.setStrongTyping(true);
Serializable expr = MVEL.compileExpression("wrapper.map[\"key\"]", ctx);
MapWrapper wrapper = new MapWrapper();
wrapper.getMap().put("key", "value");
Map vars = new HashMap();
vars.put("wrapper", wrapper);
assertEquals("value", MVEL.executeExpression(expr, vars));
}
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) {
}
}
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);
}
public void testMVEL236() {
StringBuffer buffer = new StringBuffer();
buffer.append("MyInterface2 var2 = (MyInterface2)var1;");
ParserContext ctx = new ParserContext();
ctx.setStrongTyping(true);
ctx.addInput("var1", MyInterface3.class);
ctx.addImport(MyInterface2.class);
ctx.addImport(MyInterface3.class);
try {
CompiledExpression compiled =
(CompiledExpression) MVEL.compileExpression(buffer.toString(), ctx);
} catch (Exception e) {
fail(e.getMessage());
}
}
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());
}
public void testStrictTypingCompilationWithVarInsideConstructor() {
ParserContext ctx = new ParserContext();
ctx.addInput("$likes", String.class);
ctx.addInput("results", List.class);
ctx.addImport(Cheese.class);
ctx.setStrongTyping(true);
Serializable expr = null;
try {
expr =
MVEL.compileExpression("Cheese c = new Cheese( $likes, 15 );\nresults.add( c ); ", ctx);
} catch (CompileException e) {
e.printStackTrace();
fail("This should not fail:\n" + e.getMessage());
}
List results = new ArrayList();
Map vars = new HashMap();
vars.put("$likes", "stilton");
vars.put("results", results);
executeExpression(expr, vars);
assertEquals(new Cheese("stilton", 15), results.get(0));
}