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package com.vaadin.tests.components.grid;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.List;
import org.junit.Test;
import com.vaadin.testbench.elements.ButtonElement;
import com.vaadin.testbench.elements.GridElement;
import com.vaadin.testbench.elements.GridElement.GridCellElement;
import com.vaadin.testbench.elements.NativeSelectElement;
import com.vaadin.testbench.elements.NotificationElement;
import com.vaadin.testbench.parallel.TestCategory;
import com.vaadin.tests.tb3.SingleBrowserTest;
@TestCategory("grid")
public class GridColumnWidthsWithoutDataTest extends SingleBrowserTest {
@Test
public void testWidthsWhenAddingDataBack() {
openTestURL();
GridElement grid = $(GridElement.class).first();
int[] baseWidths = getColWidths(grid);
assertEquals("Sanity check", 2, baseWidths.length);
assertTrue("Columns should not have equal width",
Math.abs(baseWidths[0] - baseWidths[1]) > 2);
removeData();
assertSameWidths(baseWidths, getColWidths(grid));
addData();
assertSameWidths(baseWidths, getColWidths(grid));
}
@Test
public void testWidthsWhenInitiallyEmpty() {
setDebug(true);
openTestURL();
$(ButtonElement.class).caption("Recreate without data").first().click();
GridElement grid = $(GridElement.class).first();
int[] baseWidths = getColWidths(grid);
assertEquals("Sanity check", 2, baseWidths.length);
assertTrue("Columns should have roughly equal width",
Math.abs(baseWidths[0] - baseWidths[1]) < 10);
assertTrue("Columns should not have default widths",
baseWidths[0] > 140);
assertTrue("Columns should not have default widths",
baseWidths[1] > 140);
addData();
assertSameWidths(baseWidths, getColWidths(grid));
assertFalse("Notification was present",
isElementPresent(NotificationElement.class));
}
@Test
public void testMultiSelectWidths() {
setDebug(true);
openTestURL();
$(NativeSelectElement.class).caption("Selection mode").first()
.selectByText("MULTI");
GridElement grid = $(GridElement.class).first();
int sum = sumUsedWidths(grid);
// 295 instead of 300 to avoid rounding issues
assertTrue("Only " + sum + " out of 300px was used", sum > 295);
$(ButtonElement.class).caption("Recreate without data").first().click();
grid = $(GridElement.class).first();
sum = sumUsedWidths(grid);
// 295 instead of 300 to avoid rounding issues
assertTrue("Only " + sum + " out of 300px was used", sum > 295);
}
private int sumUsedWidths(GridElement grid) {
int sum = 0;
for (int i : getColWidths(grid)) {
sum += i;
}
return sum;
}
private static void assertSameWidths(int[] expected, int[] actual) {
assertEquals("Arrays have differing lengths", expected.length,
actual.length);
for (int i = 0; i < expected.length; i++) {
if (Math.abs(expected[i] - actual[i]) > 1) {
fail("Differing sizes at index " + i + ". Expected "
+ expected[i] + " but got " + actual[i]);
}
}
}
private void removeData() {
$(ButtonElement.class).caption("Remove data").first().click();
}
private void addData() {
$(ButtonElement.class).caption("Add data").first().click();
}
private int[] getColWidths(GridElement grid) {
List<GridCellElement> headerCells = grid.getHeaderCells(0);
int[] widths = new int[headerCells.size()];
for (int i = 0; i < widths.length; i++) {
widths[i] = headerCells.get(i).getSize().getWidth();
}
return widths;
}
}
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