/**
 * 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.
 *
 * Copyright 2012-2015 the original author or authors.
 */
package org.assertj.swing.driver;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.util.Strings.concat;
import static org.assertj.swing.edt.GuiActionRunner.execute;

import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.TreeNode;
import javax.swing.tree.TreePath;

import org.assertj.swing.annotation.RunsInEDT;
import org.assertj.swing.test.core.RobotBasedTestCase;
import org.assertj.swing.test.swing.TestWindow;
import org.junit.Test;

/**
 * Tests for {@link JTreeChildOfPathCountQuery#childCount(JTree, TreePath)}.
 *
 * @author Alex Ruiz
 * @author Yvonne Wang
 */
public class JTreeChildOfPathCountQuery_childCount_Test extends RobotBasedTestCase {
  private JTree tree;
  private TreeNode treeRoot;
  private int childCount;

  @Override
  protected void onSetUp() {
    childCount = 8;
    MyWindow window = MyWindow.createNew(childCount);
    tree = window.tree;
    treeRoot = window.treeRoot;
  }

  @Test
  public void should_Return_Child_Count_Of_TreePath() {
    TreePath path = new TreePath(treeRoot);
    int childOfPathCount = JTreeChildOfPathCountQuery.childCount(tree, path);
    assertThat(childOfPathCount).isEqualTo(childCount);
  }

  private static class MyWindow extends TestWindow {
    @RunsInEDT
    static MyWindow createNew(final int treeRootChildCount) {
      return execute(() -> new MyWindow(treeRootChildCount));
    }

    final JTree tree;
    final TreeNode treeRoot;

    private MyWindow(int treeRootChildCount) {
      super(JTreeChildOfPathCountQuery_childCount_Test.class);
      treeRoot = root(treeRootChildCount);
      tree = new JTree(treeRoot);
      addComponents(tree);
    }

    private static TreeNode root(int rootChildCount) {
      DefaultMutableTreeNode root = new DefaultMutableTreeNode("root");
      for (int i = 1; i <= rootChildCount; i++) {
        root.add(new DefaultMutableTreeNode(concat("node", i)));
      }
      return root;
    }
  }
}