/*
* Copyright 2000-2016 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.v7.tests.components.grid.basicfeatures.server;
import org.junit.Assert;
import org.junit.Test;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;
import org.openqa.selenium.support.ui.ExpectedConditions;
import com.vaadin.testbench.elements.GridElement;
import com.vaadin.v7.tests.components.grid.basicfeatures.GridBasicFeaturesTest;
public class LoadingIndicatorTest extends GridBasicFeaturesTest {
@Test
public void testLoadingIndicator() throws InterruptedException {
setDebug(true);
openTestURL();
selectMenuPath("Component", "State", "Container delay", "2000");
GridElement gridElement = $(GridElement.class).first();
Assert.assertFalse(
"Loading indicator should not be visible before disabling waitForVaadin",
isLoadingIndicatorVisible());
testBench().disableWaitForVaadin();
// Scroll to a completely new location
gridElement.getCell(200, 1);
// Wait for loading indicator delay
waitUntil(ExpectedConditions.visibilityOfElementLocated(
By.className("v-loading-indicator")));
waitUntilNot(ExpectedConditions.visibilityOfElementLocated(
By.className("v-loading-indicator")));
// Scroll so much that more data gets fetched, but not so much that
// missing rows are shown
gridElement.getCell(230, 1);
// Wait for potentially triggered loading indicator to become visible
Thread.sleep(500);
Assert.assertFalse(
"Loading indicator should not be visible when fetching rows that are not visible",
isLoadingIndicatorVisible());
// Finally verify that there was actually a request going on
waitUntilLogContains("Requested items");
}
private void waitUntilLogContains(final String value) {
waitUntil(new ExpectedCondition<Boolean>() {
@Override
public Boolean apply(WebDriver input) {
return getLogRow(0).contains(value);
}
@Override
public String toString() {
// Timed out after 10 seconds waiting for ...
return "first log row to contain '" + value + "' (was: '"
+ getLogRow(0) + "')";
}
});
}
}