Android Open Source - spring-sync Move Operation Test

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The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2014 the original author or authors.
 */*  w  w  w.j  av a  2  s .  c  o  m*/
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.sync;

import java.util.ArrayList;
import java.util.List;

import junit.framework.TestCase;

public class MoveOperationTest extends TestCase {

  public void testMoveBooleanPropertyValue() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(2L, "B", false));
    todos.add(new Todo(3L, "C", false));

    try {
      MoveOperation move = new MoveOperation("/1/complete", "/0/complete");
      move.perform(todos, Todo.class);
      fail();
    }
    catch (PatchException e) {
      assertEquals("Path '/0/complete' is not nullable.", e.getMessage());
    }
    assertFalse(todos.get(1).isComplete());
  }

  public void testMoveStringPropertyValue() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(2L, "B", false));
    todos.add(new Todo(3L, "C", false));

    MoveOperation move = new MoveOperation("/1/description", "/0/description");
    move.perform(todos, Todo.class);

    assertEquals("A", todos.get(1).getDescription());
  }

  public void testMoveBooleanPropertyValueIntoStringProperty() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(2L, "B", false));
    todos.add(new Todo(3L, "C", false));

    try {
      MoveOperation move = new MoveOperation("/1/description", "/0/complete");
      move.perform(todos, Todo.class);
      fail();
    }
    catch (PatchException e) {
      assertEquals("Path '/0/complete' is not nullable.", e.getMessage());
    }
    assertEquals("B", todos.get(1).getDescription());
  }

  //
  // NOTE: Moving an item about in a list probably has zero effect, as the order of the
  // list is
  // usually determined by the DB query that produced the list. Moving things around in
  // a
  // java.util.List and then saving those items really means nothing to the DB, as the
  // properties that determined the original order are still the same and will result in
  // the same order when the objects are queries again.
  //

  public void testMoveListElementToBeginningOfList() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", false));
    todos.add(new Todo(2L, "B", true));
    todos.add(new Todo(3L, "C", false));

    MoveOperation move = new MoveOperation("/0", "/1");
    move.perform(todos, Todo.class);

    assertEquals(3, todos.size());
    assertEquals(2L, todos.get(0).getId().longValue());
    assertEquals("B", todos.get(0).getDescription());
    assertTrue(todos.get(0).isComplete());
  }

  public void testMoveListElementToMiddleOfList() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(2L, "B", false));
    todos.add(new Todo(3L, "C", false));

    MoveOperation move = new MoveOperation("/2", "/0");
    move.perform(todos, Todo.class);

    assertEquals(3, todos.size());
    assertEquals(1L, todos.get(2).getId().longValue());
    assertEquals("A", todos.get(2).getDescription());
    assertTrue(todos.get(2).isComplete());
  }

  public void testMoveListElementToEndOfList_usingIndex() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(2L, "B", false));
    todos.add(new Todo(3L, "C", false));

    MoveOperation move = new MoveOperation("/2", "/0");
    move.perform(todos, Todo.class);

    assertEquals(3, todos.size());
    assertEquals(1L, todos.get(2).getId().longValue());
    assertEquals("A", todos.get(2).getDescription());
    assertTrue(todos.get(2).isComplete());
  }

  public void testMoveListElementToBeginningOfList_usingTilde() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(3L, "C", false));
    todos.add(new Todo(4L, "E", false));
    todos.add(new Todo(2L, "G", false));

    List<Todo> expected = new ArrayList<Todo>();
    expected.add(new Todo(1L, "A", true));
    expected.add(new Todo(2L, "G", false));
    expected.add(new Todo(3L, "C", false));
    expected.add(new Todo(4L, "E", false));

    MoveOperation move = new MoveOperation("/1", "/~");
    move.perform(todos, Todo.class);
    assertEquals(expected, todos);
  }

  public void testMoveListElementToEndOfList_usingTilde() throws Exception {
    // initial Todo list
    List<Todo> todos = new ArrayList<Todo>();
    todos.add(new Todo(1L, "A", true));
    todos.add(new Todo(2L, "G", false));
    todos.add(new Todo(3L, "C", false));
    todos.add(new Todo(4L, "E", false));

    List<Todo> expected = new ArrayList<Todo>();
    expected.add(new Todo(1L, "A", true));
    expected.add(new Todo(3L, "C", false));
    expected.add(new Todo(4L, "E", false));
    expected.add(new Todo(2L, "G", false));

    MoveOperation move = new MoveOperation("/~", "/1");
    move.perform(todos, Todo.class);
    assertEquals(expected, todos);
  }

}

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