treeclickingtest.java

基于Junit的 功能和单元测试的的测试工具。只支持Swing.

package org.uispec4j;

import junit.framework.AssertionFailedError;
import org.uispec4j.utils.AssertionFailureNotDetectedError;
import org.uispec4j.utils.Counter;

import javax.swing.event.TreeSelectionEvent;
import javax.swing.event.TreeSelectionListener;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;

public class TreeClickingTest extends TreeTestCase {

  public void testClickOnlyChangesTheSelectionOnce() throws Exception {
    checkClickOnlyChangesTheSelectionOnce(new DirectClicker());
    checkClickOnlyChangesTheSelectionOnce(new TriggerClicker());
  }

  private void checkClickOnlyChangesTheSelectionOnce(Clicker clicker) throws Exception {
    final Counter counter = new Counter();
    jTree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() {
      public void valueChanged(TreeSelectionEvent e) {
        counter.increment();
      }
    });
    clicker.click("child1");
    assertEquals(1, counter.getCount());
    clicker.click("child2");
    assertEquals(2, counter.getCount());
    clicker.click("child1/child1_1");
    assertEquals(3, counter.getCount());
  }

  public void testClickFailsWhenAppliedOnNonExistingPath() throws Exception {
    checkClickFailsWhenAppliedOnNonExistingPath(new DirectClicker());
    checkClickFailsWhenAppliedOnNonExistingPath(new TriggerClicker());
  }

  private void checkClickFailsWhenAppliedOnNonExistingPath(Clicker clicker) throws Exception {
    final Counter counter = new Counter();
    jTree.getSelectionModel().addTreeSelectionListener(new TreeSelectionListener() {
      public void valueChanged(TreeSelectionEvent e) {
        counter.increment();
      }
    });
    try {
      clicker.click("child3");
      throw new AssertionFailureNotDetectedError();
    }
    catch (AssertionFailedError e) {
      assertEquals(Tree.badTreePath("child3"), e.getMessage());
    }
    try {
      clicker.rightClick("child3");
      throw new AssertionFailureNotDetectedError();
    }
    catch (AssertionFailedError e) {
      assertEquals(Tree.badTreePath("child3"), e.getMessage());
    }
    assertEquals(0, counter.getCount());
  }

  public void testRightClickBehaviour() throws Exception {
    checkRightClickBehaviour(new DirectClicker());
    checkRightClickBehaviour(new TriggerClicker());
  }

  private void checkRightClickBehaviour(Clicker clicker) throws Exception {
    final Counter counter = new Counter();
    jTree.addMouseListener(new MouseAdapter() {
      public void mousePressed(MouseEvent e) {
        counter.increment();
        int modifiers = e.getModifiers();
        assertTrue((modifiers & MouseEvent.BUTTON3_MASK) != 0);
      }
    });
    tree.select("child1");
    tree.addToSelection("child2");
    clicker.rightClick("child1");
    assertTrue(tree.selectionEquals(new String[]{"child1"}));
    assertEquals(1, counter.getCount());

    tree.addToSelection("child2");
    clicker.rightClickInSelection();
    assertTrue(tree.selectionEquals(new String[]{"child1", "child2"}));
    assertEquals(2, counter.getCount());

    clicker.rightClick("child1/child1_1");
    assertTrue(tree.selectionEquals("child1/child1_1"));
    assertEquals(3, counter.getCount());

    clicker.rightClickInSelection();
    assertTrue(tree.selectionEquals("child1/child1_1"));
    assertEquals(4, counter.getCount());
  }

  public void testRightClickInSelectionNeedsASelection() throws Exception {
    checkRightClickInSelectionNeedsASelection(new DirectClicker());
    checkRightClickInSelectionNeedsASelection(new TriggerClicker());
  }

  private void checkRightClickInSelectionNeedsASelection(Clicker clicker) throws Exception {
    try {
      clicker.rightClickInSelection();
      throw new AssertionFailureNotDetectedError();
    }
    catch (AssertionFailedError e) {
      assertEquals("There is no current selection", e.getMessage());
    }
  }

  private interface Clicker {
    public void click(String path) throws Exception;

    public void rightClick(String path) throws Exception;

    public void rightClickInSelection() throws Exception;
  }

  private class DirectClicker implements Clicker {
    public void click(String path) {
      tree.click(path);
    }

    public void rightClick(String path) {
      tree.rightClick(path);
    }

    public void rightClickInSelection() throws Exception {
      tree.rightClickInSelection();
    }
  }

  private class TriggerClicker implements Clicker {
    public void click(String path) throws Exception {
      tree.triggerClick(path).run();
    }

    public void rightClick(String path) throws Exception {
      tree.triggerRightClick(path).run();
    }

    public void rightClickInSelection() throws Exception {
      tree.triggerRightClickInSelection().run();
    }
  }
}