@Test
public void testInvoke() {
TesterBeanB beanB = new TesterBeanB();
beanB.setName("B");
context
.getVariableMapper()
.setVariable("beanB", factory.createValueExpression(beanB, TesterBeanB.class));
MethodExpression me1 =
factory.createMethodExpression(
context, "${beanB.getName}", String.class, new Class<?>[] {});
MethodExpression me2 =
factory.createMethodExpression(
context, "${beanB.sayHello('JUnit')}", String.class, new Class<?>[] {String.class});
MethodExpression me3 =
factory.createMethodExpression(
context, "${beanB.sayHello}", String.class, new Class<?>[] {String.class});
assertEquals("B", me1.invoke(context, null));
assertEquals("Hello JUnit from B", me2.invoke(context, null));
assertEquals("Hello JUnit from B", me2.invoke(context, new Object[] {"JUnit2"}));
assertEquals("Hello JUnit2 from B", me3.invoke(context, new Object[] {"JUnit2"}));
assertEquals("Hello JUnit from B", me2.invoke(context, new Object[] {null}));
assertEquals("Hello from B", me3.invoke(context, new Object[] {null}));
}
@Before
public void setUp() {
factory = ExpressionFactory.newInstance();
context = new ELContextImpl();
TesterBeanA beanA = new TesterBeanA();
beanA.setName("A");
context
.getVariableMapper()
.setVariable("beanA", factory.createValueExpression(beanA, TesterBeanA.class));
TesterBeanAA beanAA = new TesterBeanAA();
beanAA.setName("AA");
context
.getVariableMapper()
.setVariable("beanAA", factory.createValueExpression(beanAA, TesterBeanAA.class));
TesterBeanAAA beanAAA = new TesterBeanAAA();
beanAAA.setName("AAA");
context
.getVariableMapper()
.setVariable("beanAAA", factory.createValueExpression(beanAAA, TesterBeanAAA.class));
TesterBeanB beanB = new TesterBeanB();
beanB.setName("B");
context
.getVariableMapper()
.setVariable("beanB", factory.createValueExpression(beanB, TesterBeanB.class));
TesterBeanBB beanBB = new TesterBeanBB();
beanBB.setName("BB");
context
.getVariableMapper()
.setVariable("beanBB", factory.createValueExpression(beanBB, TesterBeanBB.class));
TesterBeanBBB beanBBB = new TesterBeanBBB();
beanBBB.setName("BBB");
context
.getVariableMapper()
.setVariable("beanBBB", factory.createValueExpression(beanBBB, TesterBeanBBB.class));
TesterBeanC beanC = new TesterBeanC();
context
.getVariableMapper()
.setVariable("beanC", factory.createValueExpression(beanC, TesterBeanC.class));
TesterBeanEnum beanEnum = new TesterBeanEnum();
context
.getVariableMapper()
.setVariable("beanEnum", factory.createValueExpression(beanEnum, TesterBeanEnum.class));
}
@Test
public void testIsParametersProvided() {
TesterBeanB beanB = new TesterBeanB();
beanB.setName("Tomcat");
ValueExpression var = factory.createValueExpression(beanB, TesterBeanB.class);
context.getVariableMapper().setVariable("beanB", var);
MethodExpression me1 =
factory.createMethodExpression(
context, "${beanB.getName}", String.class, new Class<?>[] {});
MethodExpression me2 =
factory.createMethodExpression(
context, "${beanB.sayHello('JUnit')}", String.class, new Class<?>[] {String.class});
assertFalse(me1.isParmetersProvided());
assertTrue(me2.isParmetersProvided());
}
@Test
public void testBug53792c() {
MethodExpression me =
factory.createMethodExpression(
context, "#{beanB.sayHello().length()}", null, new Class<?>[] {});
Integer result = (Integer) me.invoke(context, null);
assertEquals(beanB.sayHello().length(), result.intValue());
}
