@Test
public void testPropertyNavigation() throws Exception {
ExpressionParser parser = new SpelExpressionParser();
// Inventions Array
StandardEvaluationContext teslaContext = TestScenarioCreator.getTestEvaluationContext();
// teslaContext.setRootObject(tesla);
// evaluates to "Induction motor"
String invention = parser.parseExpression("inventions[3]").getValue(teslaContext, String.class);
assertEquals("Induction motor", invention);
// Members List
StandardEvaluationContext societyContext = new StandardEvaluationContext();
IEEE ieee = new IEEE();
ieee.Members[0] = tesla;
societyContext.setRootObject(ieee);
// evaluates to "Nikola Tesla"
String name = parser.parseExpression("Members[0].Name").getValue(societyContext, String.class);
assertEquals("Nikola Tesla", name);
// List and Array navigation
// evaluates to "Wireless communication"
invention =
parser.parseExpression("Members[0].Inventions[6]").getValue(societyContext, String.class);
assertEquals("Wireless communication", invention);
}
@Test
public void testPropertyAccess() throws Exception {
EvaluationContext context = TestScenarioCreator.getTestEvaluationContext();
int year = (Integer) parser.parseExpression("Birthdate.Year + 1900").getValue(context); // 1856
assertEquals(1856, year);
String city = (String) parser.parseExpression("placeOfBirth.City").getValue(context);
assertEquals("SmilJan", city);
}