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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.urifragments;
import static com.vaadin.tests.urifragments.FragmentHandlingAndAsynchUIUpdate.FRAG_NAME_TPL;
import static com.vaadin.tests.urifragments.FragmentHandlingAndAsynchUIUpdate.START_FRAG_ID;
import org.junit.Test;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import com.vaadin.testbench.By;
import com.vaadin.tests.tb3.MultiBrowserTest;
/**
* Back and Forward buttons in browser should work correctly during UI update
*
* @author Vaadin Ltd
*/
public class FragmentHandlingAndAsynchUIUpdateTest extends MultiBrowserTest {
/**
* The case when we successively set 10 fragments, go back 9 times and then
* go forward 9 times
*/
@Test
public void testBackwardForwardHistoryWithWaitingForSettingFrag()
throws Exception {
openTestURL();
for (int i = 0; i < 10; i++) {
// here we wait for setting fragment in URI. If not to do it -
// history will be "loss"
getDriver().findElement(
By.id(FragmentHandlingAndAsynchUIUpdate.BUTTON_ID)).click();
assertFragment(String.format(FRAG_NAME_TPL, START_FRAG_ID + i));
}
for (int i = 8; i >= 0; i--) {
((JavascriptExecutor) driver).executeScript("history.back()");
assertFragment(String.format(FRAG_NAME_TPL, START_FRAG_ID + i));
}
for (int i = 1; i < 10; i++) {
((JavascriptExecutor) driver).executeScript("history.forward()");
assertFragment(String.format(FRAG_NAME_TPL, START_FRAG_ID + i));
}
}
/**
* The case when it seems than history is loss
*/
@Test
public void testBackwardForwardHistoryWithoutWaitingForSettingFrag()
throws Exception {
openTestURL();
// begin to wait for setting 3th fragment and then click backward
// history and then wait for 9th fragment
new Thread(new Runnable() {
@Override
public void run() {
// wait for setting 3th fragment
assertFragment(String.format(FRAG_NAME_TPL, START_FRAG_ID + 3));
// go back one time after we wait for 3th fragment and then we
// will see the "loss" of "forward history"
((JavascriptExecutor) driver).executeScript("history.back()");
// now at some time new fragments will be set
// wait for last fragment setting..
// of course forward history is empty now..
assertFragment(String.format(FRAG_NAME_TPL, START_FRAG_ID + 9));
}
}).start();
// not wait for setting fragment in URI
// (simulated situation when users clicks some times in row on
// button)
new Thread(new Runnable() {
@Override
public void run() {
for (int i = 0; i < 10; i++) {
getDriver().findElement(
By.id(FragmentHandlingAndAsynchUIUpdate.BUTTON_ID))
.click();
}
}
}).start();
}
private void assertFragment(String fragment) {
final String expectedText = fragment;
waitUntil(new ExpectedCondition<Boolean>() {
@Override
public Boolean apply(WebDriver input) {
String currentURL = getDriver().getCurrentUrl();
String currentURIFragment = "";
if (currentURL.contains("#") && !currentURL.endsWith("#")) {
currentURIFragment = currentURL.split("#")[1];
}
return expectedText.equals(currentURIFragment);
}
}, 20);
}
}
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