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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 2012-2015 the original author or authors.
*/
package org.assertj.swing.driver;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.util.Preconditions.checkNotNull;
import static org.assertj.swing.awt.AWT.visibleCenterOf;
import static org.assertj.swing.core.MouseButton.LEFT_BUTTON;
import static org.assertj.swing.core.MouseButton.RIGHT_BUTTON;
import static org.assertj.swing.driver.ComponentEnabledCondition.untilIsEnabled;
import static org.assertj.swing.driver.ComponentPerformDefaultAccessibleActionTask.performDefaultAccessibleAction;
import static org.assertj.swing.driver.ComponentPreconditions.checkEnabledAndShowing;
import static org.assertj.swing.driver.ComponentPreconditions.checkShowing;
import static org.assertj.swing.edt.GuiActionRunner.execute;
import static org.assertj.swing.format.Formatting.format;
import static org.assertj.swing.query.ComponentEnabledQuery.isEnabled;
import static org.assertj.swing.query.ComponentHasFocusQuery.hasFocus;
import static org.assertj.swing.query.ComponentSizeQuery.sizeOf;
import static org.assertj.swing.query.ComponentVisibleQuery.isVisible;
import static org.assertj.swing.timing.Pause.pause;
import static org.assertj.swing.util.TimeoutWatch.startWatchWithTimeoutOf;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.Point;
import javax.annotation.Nonnull;
import javax.swing.JMenu;
import javax.swing.JPopupMenu;
import org.assertj.core.description.Description;
import org.assertj.swing.annotation.RunsInCurrentThread;
import org.assertj.swing.annotation.RunsInEDT;
import org.assertj.swing.core.ComponentDragAndDrop;
import org.assertj.swing.core.KeyPressInfo;
import org.assertj.swing.core.MouseButton;
import org.assertj.swing.core.MouseClickInfo;
import org.assertj.swing.core.Robot;
import org.assertj.swing.core.Settings;
import org.assertj.swing.edt.GuiLazyLoadingDescription;
import org.assertj.swing.internal.annotation.InternalApi;
import org.assertj.swing.timing.Timeout;
import org.assertj.swing.util.TimeoutWatch;
/**
*
* Supports functional testing of AWT or Swing {@code Component}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
*/
@InternalApi
public class ComponentDriver {
private static final String ENABLED_PROPERTY = "enabled";
private static final String SIZE_PROPERTY = "size";
private static final String VISIBLE_PROPERTY = "visible";
protected final Robot robot;
private final ComponentDragAndDrop dragAndDrop;
/**
* Creates a new {@link ComponentDriver}.
*
* @param robot the robot to use to simulate user input.
*/
public ComponentDriver(@Nonnull Robot robot) {
this.robot = robot;
dragAndDrop = new ComponentDragAndDrop(robot);
}
/**
* Simulates a user clicking once the given AWT or Swing {@code Component} using the left mouse button.
*
* @param c the {@code Component} to click on.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void click(@Nonnull Component c) {
checkClickAllowed(c);
robot.click(c);
}
/**
* Simulates a user clicking once the given AWT or Swing {@code Component} using the given mouse button.
*
* @param c the {@code Component} to click on.
* @param button the mouse button to use.
* @throws NullPointerException if the given {@code MouseButton} is {@code null}.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void click(@Nonnull Component c, @Nonnull MouseButton button) {
click(c, button, 1);
}
/**
* Simulates a user clicking the given mouse button, the given times on the given AWT or Swing {@code Component}.
*
* @param c the {@code Component} to click on.
* @param mouseClickInfo specifies the button to click and the times the button should be clicked.
* @throws NullPointerException if the given {@code MouseClickInfo} is {@code null}.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void click(@Nonnull Component c, @Nonnull MouseClickInfo mouseClickInfo) {
checkNotNull(mouseClickInfo);
click(c, mouseClickInfo.button(), mouseClickInfo.times());
}
/**
* Simulates a user double-clicking the given AWT or Swing {@code Component}.
*
* @param c the {@code Component} to click on.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void doubleClick(@Nonnull Component c) {
click(c, LEFT_BUTTON, 2);
}
/**
* Simulates a user right-clicking the given AWT or Swing {@code Component}.
*
* @param c the {@code Component} to click on.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void rightClick(@Nonnull Component c) {
click(c, RIGHT_BUTTON);
}
/**
* Simulates a user clicking the given mouse button, the given times on the given AWT or Swing {@code Component}.
*
* @param c the {@code Component} to click on.
* @param button the mouse button to click.
* @param times the number of times to click the given mouse button.
* @throws NullPointerException if the given {@code MouseButton} is {@code null}.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void click(@Nonnull Component c, @Nonnull MouseButton button, int times) {
checkNotNull(button);
checkClickAllowed(c);
robot.click(c, button, times);
}
/**
* Simulates a user clicking at the given position on the given AWT or Swing {@code Component}.
*
* @param c the {@code Component} to click on.
* @param where the position where to click.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void click(@Nonnull Component c, @Nonnull Point where) {
checkClickAllowed(c);
robot.click(c, where);
}
protected @Nonnull Settings settings() {
return robot.settings();
}
/**
* Asserts that the size of the AWT or Swing {@code Component} is equal to given one.
*
* @param c the target {@code Component}.
* @param size the given size to match.
* @throws AssertionError if the size of the {@code Component} is not equal to the given size.
*/
@RunsInEDT
public void requireSize(@Nonnull Component c, @Nonnull Dimension size) {
assertThat(sizeOf(c)).as(propertyName(c, SIZE_PROPERTY)).isEqualTo(size);
}
/**
* Asserts that the AWT or Swing {@code Component} is visible.
*
* @param c the target {@code Component}.
* @throws AssertionError if the {@code Component} is not visible.
*/
@RunsInEDT
public void requireVisible(@Nonnull Component c) {
assertThat(isVisible(c)).as(visibleProperty(c)).isTrue();
}
/**
* Asserts that the AWT or Swing {@code Component} is not visible.
*
* @param c the target {@code Component}.
* @throws AssertionError if the {@code Component} is visible.
*/
@RunsInEDT
public void requireNotVisible(@Nonnull Component c) {
assertThat(isVisible(c)).as(visibleProperty(c)).isFalse();
}
@RunsInEDT
private static @Nonnull Description visibleProperty(@Nonnull Component c) {
return propertyName(c, VISIBLE_PROPERTY);
}
/**
* Asserts that the AWT or Swing {@code Component} has input focus.
*
* @param c the target {@code Component}.
* @throws AssertionError if the {@code Component} does not have input focus.
*/
@RunsInEDT
public void requireFocused(@Nonnull Component c) {
assertThat(hasFocus(c)).as(requiredFocusedErrorMessage(c)).isTrue();
}
private static @Nonnull Description requiredFocusedErrorMessage(final Component c) {
return new GuiLazyLoadingDescription() {
@Override
protected @Nonnull String loadDescription() {
return String.format("Expected component %s to have input focus", format(c));
}
};
}
/**
* Asserts that the AWT or Swing {@code Component} is enabled.
*
* @param c the target {@code Component}.
* @throws AssertionError if the {@code Component} is disabled.
*/
@RunsInEDT
public void requireEnabled(@Nonnull Component c) {
assertThat(isEnabled(c)).as(enabledProperty(c)).isTrue();
}
/**
* Asserts that the AWT or Swing {@code Component} is enabled.
*
* @param c the target {@code Component}.
* @param timeout the time this fixture will wait for the {@code Component} to be enabled.
* @throws org.assertj.swing.exception.WaitTimedOutError if the {@code Component} is never enabled.
*/
@RunsInEDT
public void requireEnabled(@Nonnull Component c, @Nonnull Timeout timeout) {
pause(untilIsEnabled(c), timeout);
}
/**
* Asserts that the AWT or Swing {@code Component} is disabled.
*
* @param c the target {@code Component}.
* @throws AssertionError if the {@code Component} is enabled.
*/
@RunsInEDT
public void requireDisabled(@Nonnull Component c) {
assertThat(isEnabled(c)).as(enabledProperty(c)).isFalse();
}
@RunsInEDT
private static @Nonnull Description enabledProperty(@Nonnull Component c) {
return propertyName(c, ENABLED_PROPERTY);
}
/**
* Simulates a user pressing and releasing the given keys on the AWT or Swing {@code Component}.
*
* @param c the target {@code Component}.
* @param keyCodes one or more codes of the keys to press.
* @throws NullPointerException if the given array of codes is {@code null}.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @throws IllegalArgumentException if the given code is not a valid key code.
* @see java.awt.event.KeyEvent
*/
@RunsInEDT
public void pressAndReleaseKeys(@Nonnull Component c, @Nonnull int... keyCodes) {
checkNotNull(keyCodes);
checkInEdtEnabledAndShowing(c);
focusAndWaitForFocusGain(c);
robot.pressAndReleaseKeys(keyCodes);
}
/**
* Simulates a user pressing and releasing the given key on the AWT or Swing {@code Component}. Modifiers is a mask
* from the available AWT {@code InputEvent} masks.
*
* @param c the target {@code Component}.
* @param keyPressInfo specifies the key and modifiers to press.
* @throws NullPointerException if the given {@code KeyPressInfo} is {@code null}.
* @throws IllegalArgumentException if the given code is not a valid key code.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @see java.awt.event.KeyEvent
* @see java.awt.event.InputEvent
*/
@RunsInEDT
public void pressAndReleaseKey(@Nonnull Component c, @Nonnull KeyPressInfo keyPressInfo) {
checkNotNull(keyPressInfo);
pressAndReleaseKey(c, keyPressInfo.keyCode(), keyPressInfo.modifiers());
}
/**
* Simulates a user pressing and releasing the given key on the AWT or Swing {@code Component}. Modifiers is a mask
* from the available AWT {@code InputEvent} masks.
*
* @param c the target {@code Component}.
* @param keyCode the code of the key to press.
* @param modifiers the given modifiers.
* @throws IllegalArgumentException if the given code is not a valid key code. *
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @see java.awt.event.KeyEvent
* @see java.awt.event.InputEvent
*/
@RunsInEDT
public void pressAndReleaseKey(@Nonnull Component c, int keyCode, @Nonnull int[] modifiers) {
focusAndWaitForFocusGain(c);
robot.pressAndReleaseKey(keyCode, modifiers);
}
/**
* Simulates a user pressing given key on the AWT or Swing {@code Component}.
*
* @param c the target {@code Component}.
* @param keyCode the code of the key to press.
* @throws IllegalArgumentException if the given code is not a valid key code.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @see #pressKeyWhileRunning(Component, int)
* @see java.awt.event.KeyEvent
*/
@RunsInEDT
public void pressKey(@Nonnull Component c, int keyCode) {
focusAndWaitForFocusGain(c);
robot.pressKey(keyCode);
}
/**
* Simulates a user pressing given key on the AWT or Swing {@code Component}, running the given runnable and releasing
* the key again.
*
* @param c the target {@code Component}.
* @param keyCode the code of the key to press.
* @throws IllegalArgumentException if the given code is not a valid key code.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @see #pressKey(Component, int)
* @see java.awt.event.KeyEvent
*/
@RunsInEDT
public void pressKeyWhileRunning(@Nonnull Component c, int keyCode, @Nonnull Runnable runnable) {
focusAndWaitForFocusGain(c);
robot.pressKeyWhileRunning(keyCode, runnable);
}
/**
* Simulates a user releasing the given key on the AWT or Swing {@code Component}.
*
* @param c the target {@code Component}.
* @param keyCode the code of the key to release.
* @throws IllegalArgumentException if the given code is not a valid key code.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @see java.awt.event.KeyEvent
*/
@RunsInEDT
public void releaseKey(@Nonnull Component c, int keyCode) {
focusAndWaitForFocusGain(c);
robot.releaseKey(keyCode);
}
/**
* Gives input focus to the given AWT or Swing {@code Component} and waits until the {@code Component} has focus.
*
* @param c the {@code Component} to give focus to.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void focusAndWaitForFocusGain(@Nonnull Component c) {
checkInEdtEnabledAndShowing(c);
robot.focusAndWaitForFocusGain(c);
}
/**
* Gives input focus to the given AWT or Swing {@code Component}. Note that the {@code Component} may not yet have
* focus when this method returns.
*
* @param c the {@code Component} to give focus to.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
public void focus(@Nonnull Component c) {
checkInEdtEnabledAndShowing(c);
robot.focus(c);
}
/**
* Performs a drag action at the given point.
*
* @param c the target {@code Component}.
* @param where the point where to start the drag action.
*/
@RunsInEDT
protected final void drag(@Nonnull Component c, @Nonnull Point where) {
dragAndDrop.drag(c, where);
}
/**
* Ends a drag operation at the centre of the {@code Component}.
*
* @param c the target {@code Component}.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @throws org.assertj.swing.exception.ActionFailedException if there is no drag action in effect.
*/
@RunsInEDT
public void drop(@Nonnull Component c) {
checkInEdtEnabledAndShowing(c);
drop(c, visibleCenterOf(c));
}
/**
*
* Ends a drag operation, releasing the mouse button over the given target location.
*
*
* This method is tuned for native drag/drop operations, so if you get odd behavior, you might try using a simple
* {@link Robot#moveMouse(Component, int, int)} and {@link Robot#releaseMouseButtons()}.
*
* @param c the target {@code Component}.
* @param where the point where the drag operation ends.
* @throws org.assertj.swing.exception.ActionFailedException if there is no drag action in effect.
*/
@RunsInEDT
protected final void drop(@Nonnull Component c, @Nonnull Point where) {
dragAndDrop.drop(c, where);
}
/**
* Move the mouse appropriately to get from the source to the destination. Enter/exit events will be generated where
* appropriate.
*
* @param c the target {@code Component}.
* @param where the point to drag over.
*/
protected final void dragOver(@Nonnull Component c, @Nonnull Point where) {
dragAndDrop.dragOver(c, where);
}
/**
*
* Performs the {@code AccessibleAction} in the given AWT or Swing {@code Component}'s event queue.
*
*
*
* 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 Component}.
* @throws org.assertj.swing.exception.ActionFailedException if something goes wrong.
*/
@RunsInCurrentThread
protected final void performAccessibleActionOf(@Nonnull Component c) {
performDefaultAccessibleAction(c);
robot.waitForIdle();
}
/**
*
* Wait the given number of milliseconds for the AWT or Swing {@code Component} to be showing and ready. Returns
* {@code false} if the operation times out.
*
*
*
* 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 Component}.
* @param timeout the time in milliseconds to wait for the {@code Component} to be showing and ready.
* @return {@code true} if the {@code Component} is showing and ready, {@code false} otherwise.
*/
@RunsInCurrentThread
protected final boolean waitForShowing(@Nonnull Component c, long timeout) {
// TODO test
if (robot.isReadyForInput(c)) {
return true;
}
TimeoutWatch watch = startWatchWithTimeoutOf(timeout);
while (!robot.isReadyForInput(c)) {
if (c instanceof JPopupMenu) {
// move the mouse over the parent menu item to ensure the sub-menu shows
Component invoker = ((JPopupMenu) c).getInvoker();
if (invoker instanceof JMenu) {
robot.jitter(invoker);
}
}
if (watch.isTimeOut()) {
return false;
}
pause();
}
return true;
}
/**
* Shows a pop-up menu using the given AWT or Swing {@code Component} as the invoker of the pop-up menu.
*
* @param c the invoker of the {@code JPopupMenu}.
* @return the displayed pop-up menu.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @throws org.assertj.swing.exception.ComponentLookupException if a pop-up menu cannot be found.
*/
@RunsInEDT
public @Nonnull JPopupMenu invokePopupMenu(@Nonnull Component c) {
checkClickAllowed(c);
return robot.showPopupMenu(c);
}
/**
* Shows a pop-up menu at the given point using the given AWT or Swing {@code Component} as the invoker of the pop-up
* menu.
*
* @param c the invoker of the {@code JPopupMenu}.
* @param p the given point where to show the pop-up menu.
* @return the displayed pop-up menu.
* @throws NullPointerException if the given point is {@code null}.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
* @throws org.assertj.swing.exception.ComponentLookupException if a pop-up menu cannot be found.
*/
@RunsInEDT
public @Nonnull JPopupMenu invokePopupMenu(@Nonnull Component c, @Nonnull Point p) {
checkNotNull(p);
checkClickAllowed(c);
return robot.showPopupMenu(c, p);
}
/**
* Verifies that the given AWT or Swing {@code Component} is enabled and showing on the screen.
*
* @param c the {@code Component} to check.
* @throws IllegalStateException if the {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
protected static void checkInEdtEnabledAndShowing(final @Nonnull Component c) {
execute(() -> checkEnabledAndShowing(c));
}
/**
* Verifies that the given AWT or Swing {@code Component} is showing on the screen.
*
* @param c the {@code Component} to check.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
protected static void checkInEdtShowing(final @Nonnull Component c) {
execute(() -> checkShowing(c));
}
/**
* Verifies that the given AWT or Swing {@code Component} is enabled and showing on the screen.
*
* @param c the {@code Component} to check.
* @throws IllegalStateException if {@link Settings#clickOnDisabledComponentsAllowed()} is false and the
* {@code Component} is disabled.
* @throws IllegalStateException if the {@code Component} is not showing on the screen.
*/
@RunsInEDT
protected void checkClickAllowed(final @Nonnull Component c) {
if (robot.settings().clickOnDisabledComponentsAllowed()) {
checkInEdtShowing(c);
} else {
checkInEdtEnabledAndShowing(c);
}
}
/**
* Formats the name of a property of the given AWT or Swing {@code Component} by concatenating the value obtained from
* {@link org.assertj.swing.format.Formatting#format(Component)} with the given property name.
*
* @param c the given {@code Component}.
* @param propertyName the name of the property.
* @return the description of a property belonging to a {@code Component}.
* @see org.assertj.swing.format.ComponentFormatter
* @see org.assertj.swing.format.Formatting#format(Component)
*/
@RunsInEDT
public static @Nonnull Description propertyName(final @Nonnull Component c, final @Nonnull String propertyName) {
return new GuiLazyLoadingDescription() {
@Override
protected @Nonnull String loadDescription() {
return String.format("%s - property:'%s'", format(c), propertyName);
}
};
}
/**
* Simulates a user moving the mouse pointer to the given coordinates relative to the given AWT or Swing
* {@code Component}. This method will not throw any exceptions if the it was not possible to move the mouse
* pointer.
*
* @param c the given {@code Component}.
* @param p coordinates relative to the given {@code Component}.
*/
@RunsInEDT
protected final void moveMouseIgnoringAnyError(@Nonnull Component c, @Nonnull Point p) {
moveMouseIgnoringAnyError(c, p.x, p.y);
}
/**
* Simulates a user moving the mouse pointer to the given coordinates relative to the given AWT or Swing
* {@code Component}. This method will not throw any exceptions if the it was not possible to move the mouse
* pointer.
*
* @param c the given {@code Component}.
* @param x horizontal coordinate relative to the given {@code Component}.
* @param y vertical coordinate relative to the given {@code Component}.
*/
@RunsInEDT
protected final void moveMouseIgnoringAnyError(@Nonnull Component c, int x, int y) {
try {
robot.moveMouse(c, x, y);
} catch (RuntimeException ignored) {
}
}
/**
* Returns the font of the given AWT or Swing {@code Component}.
*
* @param c the given {@code Component}.
* @return the font of the given {@code Component}.
*/
@RunsInEDT
public @Nonnull Font fontOf(final @Nonnull Component c) {
Font result = execute(() -> c.getFont());
return checkNotNull(result);
}
/**
* Returns the background color of the given AWT or Swing {@code Component}.
*
* @param c the given {@code Component}.
* @return the background color of the given {@code Component}.
*/
@RunsInEDT
public @Nonnull Color backgroundOf(final @Nonnull Component c) {
Color result = execute(() -> c.getBackground());
return checkNotNull(result);
}
/**
* Returns the foreground color of the given AWT or Swing {@code Component}.
*
* @param c the given {@code Component}.
* @return the foreground color of the given {@code Component}.
*/
@RunsInEDT
public @Nonnull Color foregroundOf(final @Nonnull Component c) {
Color result = execute(() -> c.getForeground());
return checkNotNull(result);
}
}