package test;

import business.LoanApplication;
import business.LoanProcessRuleEngine;

import util.SpringRuleEngine;

import junit.framework.TestCase;

/** TODO 8
 *其中包含一些假設(shè)：我們期望公司僅在兩種州運(yùn)作，德克薩斯和密歇根。
 * 而且我們只接受收支比在70%或更好的人的貸款申請(qǐng)
 *顯然單元測(cè)試會(huì)失敗因?yàn)槲覀冞€沒(méi)有實(shí)現(xiàn)任何的邏輯。
 * 然而，隨著項(xiàng)目的進(jìn)展，越來(lái)越多的測(cè)試通過(guò)，最后JUnit測(cè)試就全部通過(guò)了。
 */
public class SpringRuleEngineTest extends TestCase {
    public void testSuccessfulFlow() throws Exception {
        SpringRuleEngine engine = LoanProcessRuleEngine.getEngine("SharkysExpressLoansApplicationProcessor");
        LoanApplication application = new LoanApplication();
        application.setFirstName("John");
        application.setLastName("Doe");
        application.setStateCode("TX");
        application.setExpences(4500);
        application.setIncome(7000);
        engine.processRequest(application);
        assertEquals(LoanApplication.APPROVED, application.getStatus());
    }
    public void testInvalidState() throws Exception {
        SpringRuleEngine engine = LoanProcessRuleEngine.getEngine("SharkysExpressLoansApplicationProcessor");
        LoanApplication application = new LoanApplication();
        application.setFirstName("John");
        application.setLastName("Doe");
        application.setStateCode("OK");
        application.setExpences(4500);
        application.setIncome(7000);
        engine.processRequest(application);
        assertEquals(LoanApplication.INVALID_STATE, application.getStatus());
    }
    public void testInvalidRatio() throws Exception {
        SpringRuleEngine engine = LoanProcessRuleEngine.getEngine("SharkysExpressLoansApplicationProcessor");
        LoanApplication application = new LoanApplication();
        application.setFirstName("John");
        application.setLastName("Doe");
        application.setStateCode("MI");
        application.setIncome(7000);
        application.setExpences(0.80 * 7000);
        //too high　　　　
        engine.processRequest(application);
        assertEquals(LoanApplication.INVALID_INCOME_EXPENSE_RATIO, application.getStatus());
    }
    public void testIncompleteApplication() throws Exception {
         SpringRuleEngine engine = LoanProcessRuleEngine.getEngine("SharkysExpressLoansApplicationProcessor");
         LoanApplication application = new LoanApplication();
         engine.processRequest(application);
         assertEquals(LoanApplication.INSUFFICIENT_DATA, application.getStatus());
    }

}