ObjectPairInjectorTest.java

package org.nutz.mvc.adaptor.injector;

import static org.junit.Assert.*;

import java.text.SimpleDateFormat;

import org.junit.Test;
import org.nutz.lang.Lang;
import org.nutz.mock.Mock;
import org.nutz.mock.servlet.MockHttpServletRequest;

public class ObjectPairInjectorTest {

    public static ObjectPairInjector inj(Class<?> type) {
        return new ObjectPairInjector(null, type);
    }

    public static ObjectPairInjector inj() {
        return inj(MvcTestPojo.class);
    }

    /**
     * 根据 Issue 272，如果为空串，原生类型的外覆类应该返回 null
     */
    @Test
    public void test_balnk_param_to_number() {
        // 准备数据
        MockHttpServletRequest req = Mock.servlet.request();
        req.setParameter("longValue", "  ");
        req.setParameter("num", "  ");

        // 执行
        MvcTestPojo pojo = (MvcTestPojo) inj().get(null, req, null, null);

        // 检测
        assertNull(pojo.longValue);
        assertEquals(0, pojo.num);
    }

    /**
     * 这个测试将检验在 HTTP 请求中，如果存在多个参数同名的情况，本注入器能否正确处理
     */
    @Test
    public void test_duplicated_name_params() {
        // 准备数据
        MockHttpServletRequest req = Mock.servlet.request();
        req.setParameter("num", 23);
        req.setParameterValues("names", Lang.array("A", "B", "C"));

        // 执行
        MvcTestPojo pojo = (MvcTestPojo) inj().get(null, req, null, null);

        // 检测
        assertNull(pojo.longValue);
        assertEquals(23, pojo.num);
        assertEquals(3, pojo.names.length);
        assertEquals("A", pojo.names[0]);
        assertEquals("B", pojo.names[1]);
        assertEquals("C", pojo.names[2]);
    }

    @Test
    public void test_array_to_string() {
        // 准备数据
        MockHttpServletRequest req = Mock.servlet.request();
        req.setParameterValues("str", Lang.array("A", "B", "C"));

        // 执行
        MvcTestPojo pojo = (MvcTestPojo) inj().get(null, req, null, null);

        // 检测
        assertEquals("A,B,C", pojo.str);
    }

    @Test
    public void test_string_to_string() {
        // 准备数据
        MockHttpServletRequest req = Mock.servlet.request();
        req.setParameterValues("str", Lang.array("A"));

        // 执行
        MvcTestPojo pojo = (MvcTestPojo) inj().get(null, req, null, null);

        // 检测
        assertEquals("A", pojo.str);
    }
    
    @Test
    public void test_date(){
        // 准备数据
        MockHttpServletRequest req = Mock.servlet.request();
        req.setParameter("date", "2010-01-01");
        // 执行
        MvcTestPojo pojo = (MvcTestPojo) inj().get(null, req, null, null);
        
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        System.out.println(sdf.format(pojo.date));
        assertEquals("2010-01-01", sdf.format(pojo.date));
        
        req.setParameter("date", "");
        // 执行
        MvcTestPojo pojoNull = (MvcTestPojo) inj().get(null, req, null, null);
        
        assertEquals(null, pojoNull.date);
    }

}