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package com.vaadin.tests.components.table;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.number.IsCloseTo.closeTo;
import org.junit.Before;
import org.junit.Test;
import com.vaadin.testbench.elements.TableElement;
import com.vaadin.tests.tb3.MultiBrowserTest;
/**
* Scroll position should be restored when removing and re-adding all rows in
* Table.
*
* @author Vaadin Ltd
*/
public class TableRepairsScrollPositionOnReAddingAllRowsTest
extends MultiBrowserTest {
private int rowLocation0;
@Override
@Before
public void setup() throws Exception {
super.setup();
openTestURL();
rowLocation0 = getCellY(0);
scrollToBottom();
}
@Test
public void testReAddAllViaAddAll() {
int rowLocation = getCellY(70);
// This button is for re-adding all rows (original itemIds) at once
// (removeAll() + addAll())
hitButton("buttonReAddAllViaAddAll");
int newRowLocation = getCellY(70);
assertCloseTo(
"Scroll position should be the same as before Re-Adding rows via addAll()",
newRowLocation, rowLocation);
}
@Test
public void testReplaceByAnotherCollectionViaAddAll() {
int rowLocation = getCellY(70);
// This button is for replacing all rows at once (removeAll() +
// addAll())
hitButton("buttonReplaceByAnotherCollectionViaAddAll");
// new collection has one less element
int newRowLocation = getCellY(69);
assertCloseTo(
"Scroll position should be the same as before Replacing rows via addAll()",
newRowLocation, rowLocation);
}
@Test
public void testReplaceByAnotherCollectionViaAdd() {
// This button is for replacing all rows one by one (removeAll() + add()
// + add()..)
hitButton("buttonReplaceByAnotherCollectionViaAdd");
int newRowLocation = getCellY(0);
assertCloseTo("Scroll position should be 0", newRowLocation,
rowLocation0);
}
@Test
public void testReplaceBySubsetOfSmallerSize() {
// This button is for replacing all rows at once but the count of rows
// is less then first index to scroll
hitButton("buttonReplaceBySubsetOfSmallerSize");
int newRowLocation = getCellY(5);
assertCloseTo("Scroll position should be 0", newRowLocation,
rowLocation0);
}
@Test
public void testReplaceByWholeSubsetPlusOneNew() {
int rowLocation = getCellY(70);
// This button is for replacing by whole original sub-set of items plus
// one new
hitButton("buttonReplaceByWholeSubsetPlusOneNew");
int newRowLocation = getCellY(70);
assertCloseTo("Scroll position should be the same as before Replacing",
newRowLocation, rowLocation);
}
@Test
public void testRemoveAllAddOne() {
// This button is for removing all and then adding only one new item
hitButton("buttonRemoveAllAddOne");
int newRowLocation = getCellY(0);
assertCloseTo("Scroll position should be 0", newRowLocation,
rowLocation0);
}
@Test
public void testReplaceByNewDatasource() {
// This button is for remove all items and add new datasource
hitButton("buttonReplaceByNewDatasource");
int newRowLocation = getCellY(0);
assertCloseTo("Scroll position should be 0", newRowLocation,
rowLocation0);
}
private TableElement getTable() {
return $(TableElement.class).first();
}
private void scrollToBottom() {
scrollTable(getTable(), 80, 70);
}
private int getCellY(int row) {
return getTable().getCell(row, 0).getLocation().getY();
}
private void assertCloseTo(String reason, int actual, int expected) {
// ranged check because IE9 consistently misses the mark by 1 pixel
assertThat(reason, (double) actual, closeTo(expected, 1));
}
}
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