ebean/src/test/java/com/avaje/tests/text/json/TestTextJsonReadManyLazyLoad.java

package com.avaje.tests.text.json;

import java.io.IOException;
import java.util.List;

import org.junit.Assert;
import org.junit.Test;

import com.avaje.ebean.BaseTestCase;
import com.avaje.ebean.Ebean;
import com.avaje.ebean.text.PathProperties;
import com.avaje.ebean.text.json.JsonContext;
import com.avaje.ebean.text.json.JsonWriteOptions;
import com.avaje.tests.model.basic.Customer;
import com.avaje.tests.model.basic.ResetBasicData;

public class TestTextJsonReadManyLazyLoad extends BaseTestCase {

  @Test
  public void test_lazyLoadBoth() throws IOException {

    ResetBasicData.reset();

    List<Customer> list = Ebean.find(Customer.class).select("id, status, shippingAddress").order()
        .desc("id").findList();

    JsonContext json = Ebean.createJsonContext();

    // test that lazy loading on
    PathProperties pp = PathProperties.parse("(id,name,contacts(firstName))");
    JsonWriteOptions o = new JsonWriteOptions();
    o.setPathProperties(pp);

    System.out.println("Expect lazy loading of Customer beans and customer contacts");
    String s = json.toJsonString(list, o);
    System.out.println(s);
    Assert.assertTrue(s.contains("\"contacts\""));
    Assert.assertTrue(s.contains("\"name\""));

  }

  @Test
  public void test_lazyLoadCust() throws IOException {

    ResetBasicData.reset();

    List<Customer> list = Ebean.find(Customer.class).select("id, status, shippingAddress")
        .fetch("contacts").order().desc("id").findList();

    JsonContext json = Ebean.createJsonContext();

    // test that lazy loading on
    PathProperties pp = PathProperties.parse("(id,name,contacts(firstName))");
    JsonWriteOptions o = new JsonWriteOptions();
    o.setPathProperties(pp);

    System.out.println("expecting lazy load of Customer beans to fetch customer name");
    String s = json.toJsonString(list, o);
    System.out.println(s);
    Assert.assertTrue(s.contains("\"contacts\""));
    Assert.assertTrue(s.contains("\"name\""));

  }

  @Test
  public void test_lazyLoadContacts() throws IOException {

    ResetBasicData.reset();

    List<Customer> list = Ebean.find(Customer.class).select("id, name, status, shippingAddress")
    // .fetch("contacts")
        .order().desc("id").findList();

    JsonContext json = Ebean.createJsonContext();

    // test that lazy loading on
    PathProperties pp = PathProperties.parse("(id,name,contacts(firstName))");
    JsonWriteOptions o = new JsonWriteOptions();
    o.setPathProperties(pp);

    System.out.println("expecting lazy load of Customer contacts ");
    String s = json.toJsonString(list, o);
    System.out.println(s);
    Assert.assertTrue(s.contains("\"contacts\""));
    Assert.assertTrue(s.contains("\"name\""));

  }

}