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Fluent interface for functional GUI testing
/*
* 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 2012-2018 the original author or authors.
*/
package org.assertj.swing.driver;
import static java.awt.event.KeyEvent.VK_UNDEFINED;
import static org.assertj.core.util.Preconditions.checkNotNull;
import static org.assertj.swing.driver.Actions.findActionKey;
import static org.assertj.swing.driver.JComponentToolTipQuery.toolTipOf;
import static org.assertj.swing.driver.KeyStrokes.findKeyStrokesForAction;
import static org.assertj.swing.driver.TextAssert.verifyThat;
import static org.assertj.swing.edt.GuiActionRunner.execute;
import static org.assertj.swing.exception.ActionFailedException.actionFailure;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.regex.Pattern;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.swing.JComponent;
import javax.swing.KeyStroke;
import org.assertj.swing.annotation.RunsInCurrentThread;
import org.assertj.swing.annotation.RunsInEDT;
import org.assertj.swing.core.Robot;
import org.assertj.swing.internal.annotation.InternalApi;
/**
*
* Supports functional testing of {@code JComponent}s.
*
*
*
* Note: This class is intended for internal use only. Please use the classes in the package
* {@link org.assertj.swing.fixture} in your tests.
*
*
* @author Alex Ruiz
* @author Yvonne Wang
*/
@InternalApi
public class JComponentDriver extends ContainerDriver {
private static final String TOOL_TIP_TEXT_PROPERTY = "toolTipText";
/**
* Creates a new {@link JComponentDriver}.
*
* @param robot the robot the robot to use to simulate user input.
*/
public JComponentDriver(@Nonnull Robot robot) {
super(robot);
}
/**
*
* Invokes {@code JComponent.scrollRectToVisible(Rectangle)} on the given {@code JComponent}.
*
*
*
* Note: This method is accessed in the current executing thread. Such thread may or may not be the event
* dispatch thread (EDT). Client code must call this method from the EDT.
*
*
* @param c the given {@code JComponent}.
* @param r the visible {@code Rectangle}.
*/
@RunsInCurrentThread
protected final void scrollToVisible(@Nonnull JComponent c, @Nonnull Rectangle r) {
// From Abbot:
// Ideally, we'd use scrollBar commands to effect the scrolling, but that gets really complicated for no real gain
// in function. Fortunately, Swing's Scrollable makes for a simple solution.
// NOTE: absolutely MUST wait for idle in order for the scroll to finish, and the UI to update so that the next
// action goes to the proper location within the scrolled component.
c.scrollRectToVisible(r);
}
/**
*
* Indicates whether the given {@code JComponent}'s visible {@link Rectangle} contains the given one.
*
*
*
* Note: This method is accessed in the current executing thread. Such thread may or may not be the event
* dispatch thread (EDT). Client code must call this method from the EDT.
*
*
* @param c the given {@code JComponent}.
* @param r the {@code Rectangle} to verify.
* @return {@code true} if the given {@code Rectangle} is contained in the given {@code JComponent}'s visible
* {@code Rectangle}.
*/
@RunsInCurrentThread
protected static boolean isVisible(@Nonnull JComponent c, @Nonnull Rectangle r) {
return c.getVisibleRect().contains(r);
}
/**
*
* Indicates whether the given {@code JComponent}'s visible {@link Rectangle} contains the given {@link Point}.
*
*
*
* Note: This method is accessed in the current executing thread. Such thread may or may not be the event
* dispatch thread (EDT). Client code must call this method from the EDT.
*
*
* @param c the given {@code JComponent}.
* @param p the {@code Point} to verify.
* @return {@code true} if the given {@code Point} is contained in the given {@code JComponent}'s visible
* {@code Rectangle}.
*/
@RunsInCurrentThread
protected final boolean isVisible(@Nonnull JComponent c, @Nonnull Point p) {
return c.getVisibleRect().contains(p);
}
/**
* Invokes an {@code javax.swing.Action} from the {@code JComponent}'s {@code javax.swing.ActionMap}.
*
* @param c the given {@code JComponent}.
* @param name the name of the {@code Action} to invoke.
* @throws org.assertj.swing.exception.ActionFailedException if an {@code Action} cannot be found under the given
* name. Or if a {@code KeyStroke} cannot be found for the {@code Action} under the given name. Or if it is
* not possible to type any of the found {@code KeyStroke}s.
*/
@RunsInEDT
protected final void invokeAction(@Nonnull JComponent c, @Nonnull String name) {
robot.focusAndWaitForFocusGain(c);
for (KeyStroke keyStroke : keyStrokesForAction(c, name)) {
try {
type(checkNotNull(keyStroke));
robot.waitForIdle();
return;
} catch (IllegalArgumentException e) { /* try the next one, if any */
}
}
throw actionFailure(String.format("Unable to type any key for the action with key '%s'", name));
}
@RunsInCurrentThread
private static KeyStroke[] keyStrokesForAction(@Nonnull JComponent component, @Nonnull String actionName) {
Object key = findActionKey(actionName, checkNotNull(component.getActionMap()));
return findKeyStrokesForAction(actionName, key, checkNotNull(component.getInputMap()));
}
private void type(@Nonnull KeyStroke keyStroke) {
if (keyStroke.getKeyCode() == VK_UNDEFINED) {
robot.type(keyStroke.getKeyChar());
return;
}
robot.pressAndReleaseKey(keyStroke.getKeyCode(), keyStroke.getModifiers());
}
/**
* Asserts that the toolTip in the given {@code JComponent} matches the given value.
*
* @param c the given {@code JComponent}.
* @param expected the expected toolTip. It can be a regular expression.
* @throws AssertionError if the toolTip of the given {@code JComponent} does not match the given value.
*/
@RunsInEDT
public void requireToolTip(@Nonnull JComponent c, @Nullable String expected) {
verifyThat(toolTipOf(c)).as(propertyName(c, TOOL_TIP_TEXT_PROPERTY)).isEqualOrMatches(expected);
}
/**
* Asserts that the toolTip in the given {@code JComponent} matches the given regular expression pattern.
*
* @param c the given {@code JComponent}.
* @param pattern the regular expression pattern to match.
* @throws NullPointerException if the given regular expression pattern is {@code null}.
* @throws AssertionError if the toolTip of the given {@code JComponent} does not match the given value.
*/
@RunsInEDT
public void requireToolTip(@Nonnull JComponent c, @Nonnull Pattern pattern) {
verifyThat(toolTipOf(c)).as(propertyName(c, TOOL_TIP_TEXT_PROPERTY)).matches(pattern);
}
/**
* Returns the client property stored in the given {@code JComponent}, under the given key.
*
* @param c the given {@code JComponent}.
* @param key the key to use to retrieve the client property.
* @return the value of the client property stored under the given key, or {@code null} if the property was not found.
* @throws NullPointerException if the given key is {@code null}.
*/
@RunsInEDT
@Nullable public Object clientProperty(@Nonnull JComponent c, @Nonnull Object key) {
return clientPropertyIn(c, checkNotNull(key));
}
@Nullable private static Object clientPropertyIn(final @Nonnull JComponent c, final @Nonnull Object key) {
return execute(() -> c.getClientProperty(key));
}
}