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/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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 com.vaadin.tests.components;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.Dimension;
import org.openqa.selenium.Point;
import org.openqa.selenium.StaleElementReferenceException;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebDriver.Window;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.interactions.Actions;
import org.openqa.selenium.support.ui.ExpectedCondition;
import com.vaadin.testbench.elements.ButtonElement;
import com.vaadin.tests.tb3.MultiBrowserTest;
/**
* Tests that the tooltip is positioned so that it fits in the displayed area.
*
* @author Vaadin Ltd
*/
public class TooltipPositionTest extends MultiBrowserTest {
@Test
public void testRegression_EmptyTooltipShouldNotBeAppearedDuringInitialization()
throws Exception {
openTestURL();
waitForElementVisible(By.cssSelector(".v-tooltip"));
WebElement tooltip = driver.findElement(By.cssSelector(".v-tooltip"));
Assert.assertTrue(
"This init tooltip with text ' ' is present in the DOM and should be entirely outside the browser window",
isOutsideOfWindow(tooltip));
}
@Test
public void testTooltipPosition() throws Exception {
openTestURL();
for (int i = 0; i < TooltipPosition.NUMBER_OF_BUTTONS; i++) {
ButtonElement button = $(ButtonElement.class).get(i);
// Move the mouse to display the tooltip.
Actions actions = new Actions(driver);
actions.moveToElement(button, 10, 10);
actions.build().perform();
waitUntil(tooltipToBeInsideWindow(By.cssSelector(".v-tooltip"),
driver.manage().window()));
if (i < TooltipPosition.NUMBER_OF_BUTTONS - 1) {
// Remove the tooltip by moving the mouse.
actions = new Actions(driver);
actions.moveByOffset(300, 0);
actions.build().perform();
waitUntil(tooltipNotToBeShown(By.cssSelector(".v-tooltip"),
driver.manage().window()));
}
}
}
/*
* An expectation for checking that the tooltip found by the given locator
* is present in the DOM and entirely inside the browser window. The
* coordinate of the top left corner of the window is supposed to be (0, 0).
*/
private ExpectedCondition<Boolean> tooltipToBeInsideWindow(
final By tooltipLocator, final Window window) {
return new ExpectedCondition<Boolean>() {
@Override
public Boolean apply(WebDriver input) {
List<WebElement> elements = findElements(tooltipLocator);
if (elements.isEmpty()) {
return false;
}
WebElement element = elements.get(0);
try {
if (!element.isDisplayed()) {
return false;
}
Point topLeft = element.getLocation();
int xLeft = topLeft.getX();
int yTop = topLeft.getY();
if (xLeft < 0 || yTop < 0) {
return false;
}
Dimension elementSize = element.getSize();
int xRight = xLeft + elementSize.getWidth() - 1;
int yBottom = yTop + elementSize.getHeight() - 1;
Dimension browserSize = window.getSize();
return xRight < browserSize.getWidth()
&& yBottom < browserSize.getHeight();
} catch (StaleElementReferenceException e) {
return false;
}
}
@Override
public String toString() {
return "the tooltip to be displayed inside the window";
}
};
};
/*
* An expectation for checking that the tooltip found by the given locator
* is not shown in the window, even partially. The top left corner of window
* should have coordinates (0, 0).
*/
private ExpectedCondition<Boolean> tooltipNotToBeShown(
final By tooltipLocator, final Window window) {
return new ExpectedCondition<Boolean>() {
@Override
public Boolean apply(WebDriver input) {
List<WebElement> elements = findElements(tooltipLocator);
if (elements.isEmpty()) {
return true;
}
WebElement tooltip = elements.get(0);
try {
return isOutsideOfWindow(tooltip);
} catch (StaleElementReferenceException e) {
return true;
}
}
@Override
public String toString() {
return "the tooltip not to be displayed inside the window";
}
};
}
private boolean isOutsideOfWindow(WebElement tooltip) {
if (!tooltip.isDisplayed()) {
return true;
}
// The tooltip is shown, at least partially, if
// its intervals of both horizontal and vertical coordinates
// overlap those of the window.
Point topLeft = tooltip.getLocation();
Dimension tooltipSize = tooltip.getSize();
Dimension windowSize = driver.manage().window().getSize();
int xLeft = topLeft.getX();
int yTop = topLeft.getY();
int xRight = xLeft + tooltipSize.getWidth() - 1;
int yBottom = yTop + tooltipSize.getHeight() - 1;
boolean overlapHorizontally = !(xRight < 0 || xLeft >= windowSize
.getWidth());
boolean overlapVertically = !(yBottom < 0 || yTop >= windowSize
.getHeight());
return !(overlapHorizontally && overlapVertically);
}
}
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