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package com.vaadin.tests.components.grid;
import static org.hamcrest.number.IsCloseTo.closeTo;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
import java.util.List;
import org.junit.Test;
import org.openqa.selenium.WebElement;
import com.vaadin.shared.ui.grid.ScrollDestination;
import com.vaadin.testbench.By;
import com.vaadin.testbench.TestBenchElement;
import com.vaadin.testbench.elements.ButtonElement;
import com.vaadin.testbench.elements.GridElement;
import com.vaadin.testbench.elements.NativeSelectElement;
import com.vaadin.testbench.elements.TextFieldElement;
import com.vaadin.tests.tb3.SingleBrowserTest;
public class GridScrollDestinationTest extends SingleBrowserTest {
private TextFieldElement textField;
private ButtonElement button;
private GridElement grid;
private TestBenchElement header;
private TestBenchElement tableWrapper;
@Override
public void setup() throws Exception {
super.setup();
openTestURL();
textField = $(TextFieldElement.class).first();
button = $(ButtonElement.class).first();
grid = $(GridElement.class).first();
header = grid.getHeader();
tableWrapper = grid.getTableWrapper();
}
private void assertElementAtTop(WebElement row) {
assertThat((double) row.getLocation().getY(), closeTo(
header.getLocation().getY() + header.getSize().getHeight(),
1d));
}
private void assertElementAtBottom(WebElement row) {
assertThat(
(double) row.getLocation().getY() + row.getSize().getHeight(),
closeTo((double) tableWrapper.getLocation().getY()
+ tableWrapper.getSize().getHeight(), 1d));
}
private void assertElementAtMiddle(WebElement row) {
assertThat((double) row.getLocation()
.getY() + (row.getSize().getHeight() / 2), closeTo(
(double) tableWrapper.getLocation().getY()
+ header.getSize().getHeight()
+ ((tableWrapper.getSize().getHeight()
- header.getSize().getHeight()) / 2),
1d));
}
@Test
public void destinationAny() {
// ScrollDestination.ANY selected by default
// scroll down
button.click();
// expect the row at the bottom of the viewport
List<WebElement> rows = grid.getBody()
.findElements(By.className("v-grid-row"));
// last rendered row is a buffer row, inspect second to last
WebElement row = rows.get(rows.size() - 2);
assertEquals("50", row.getText());
assertElementAtBottom(row);
// scroll to end
grid.scrollToRow((int) grid.getRowCount() - 1);
// ensure row 50 is out of visual range, first two rows are out of view
// and getText can't find the contents so inspect the third row
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(2);
assertGreater(row.getText() + " is not greater than 52",
Integer.valueOf(row.getText()), 52);
// scroll up
button.click();
// expect the row at the top of the viewport
rows = grid.getBody().findElements(By.className("v-grid-row"));
// first rendered row is a buffer row, inspect second
row = rows.get(1);
assertEquals("50", row.getText());
assertElementAtTop(row);
// scroll up by a few rows
grid.scrollToRow(45);
// refresh row references
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(6);
assertEquals("50", row.getText());
// scroll while already within viewport
button.click();
// expect no change since the row is still within viewport
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(6);
assertEquals("50", row.getText());
// scroll to beginning using scroll destination
textField.setValue("0");
button.click();
// expect to be scrolled all the way up
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(0);
assertEquals("0", row.getText());
assertElementAtTop(row);
// scroll to end using scroll destination
textField.setValue("99");
button.click();
// expect to be scrolled all the way down
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() - 1);
assertEquals("99", row.getText());
assertElementAtBottom(row);
}
@Test
public void destinationEnd() {
$(NativeSelectElement.class).first()
.selectByText(ScrollDestination.END.name());
// scroll down
button.click();
// expect the row at the bottom of the viewport
List<WebElement> rows = grid.getBody()
.findElements(By.className("v-grid-row"));
// last rendered row is a buffer row, inspect second to last
WebElement row = rows.get(rows.size() - 2);
assertEquals("50", row.getText());
assertElementAtBottom(row);
// scroll to end
grid.scrollToRow((int) grid.getRowCount() - 1);
// ensure row 50 is out of visual range, first two rows are out of view
// and getText can't find the contents so inspect the third row
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(2);
assertGreater(row.getText() + " is not greater than 52",
Integer.valueOf(row.getText()), 52);
// scroll up
button.click();
// expect the row at the bottom of the viewport
rows = grid.getBody().findElements(By.className("v-grid-row"));
// last rendered row is a buffer row, inspect second to last
row = rows.get(rows.size() - 2);
assertEquals("50", row.getText());
assertElementAtBottom(row);
// scroll down by a few rows
grid.scrollToRow(55);
// refresh row references
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() - 7);
assertEquals("50", row.getText());
// scroll while already within viewport
button.click();
// expect the row at the bottom of the viewport again
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() - 2);
assertEquals("50", row.getText());
assertElementAtBottom(row);
// scroll to beginning using scroll destination
textField.setValue("0");
button.click();
button.click();
// expect to be scrolled all the way up
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(0);
assertEquals("0", row.getText());
assertElementAtTop(row);
// scroll to end using scroll destination
textField.setValue("99");
button.click();
// expect to be scrolled all the way down
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() - 1);
assertEquals("99", row.getText());
assertElementAtBottom(row);
}
@Test
public void destinationStart() {
$(NativeSelectElement.class).first()
.selectByText(ScrollDestination.START.name());
// scroll down
button.click();
// expect the row at the top of the viewport
List<WebElement> rows = grid.getBody()
.findElements(By.className("v-grid-row"));
// first rendered row is a buffer row, inspect second
WebElement row = rows.get(1);
assertEquals("50", row.getText());
assertElementAtTop(row);
// scroll to end
grid.scrollToRow((int) grid.getRowCount() - 1);
// ensure row 50 is out of visual range, first two rows are out of view
// and getText can't find the contents so inspect the third row
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(2);
assertGreater(row.getText() + " is not greater than 52",
Integer.valueOf(row.getText()), 52);
// scroll up
button.click();
// expect the row at the top of the viewport
rows = grid.getBody().findElements(By.className("v-grid-row"));
// first rendered row is a buffer row, inspect second
row = rows.get(1);
assertEquals("50", row.getText());
assertElementAtTop(row);
// scroll up by a few rows
grid.scrollToRow(45);
// refresh row references
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(6);
assertEquals("50", row.getText());
// scroll while already within viewport
button.click();
// expect the row at the top of the viewport again
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(1);
assertEquals("50", row.getText());
assertElementAtTop(row);
// scroll to beginning using scroll destination
textField.setValue("0");
button.click();
// expect to be scrolled all the way up
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(0);
assertEquals("0", row.getText());
assertElementAtTop(row);
// scroll to end using scroll destination
textField.setValue("99");
button.click();
// expect to be scrolled all the way down
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() - 1);
assertEquals("99", row.getText());
assertElementAtBottom(row);
}
@Test
public void destinationMiddle() {
NativeSelectElement destinationSelect = $(NativeSelectElement.class)
.first();
destinationSelect.selectByText(ScrollDestination.MIDDLE.name());
// scroll down
button.click();
// expect the row at the middle of the viewport
List<WebElement> rows = grid.getBody()
.findElements(By.className("v-grid-row"));
// inspect the middle row
WebElement row = rows.get(rows.size() / 2);
assertEquals("50", row.getText());
assertElementAtMiddle(row);
// scroll to end
grid.scrollToRow((int) grid.getRowCount() - 1);
// ensure row 50 is out of visual range, first two rows are out of view
// and getText can't find the contents so inspect the third row
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(2);
assertGreater(row.getText() + " is not greater than 52",
Integer.valueOf(row.getText()), 52);
// scroll up
button.click();
// expect the row at the middle of the viewport
rows = grid.getBody().findElements(By.className("v-grid-row"));
// first rendered row is a buffer row, inspect second
row = rows.get(rows.size() / 2);
assertEquals("50", row.getText());
assertElementAtMiddle(row);
// scroll down by a few rows
destinationSelect.selectByText(ScrollDestination.START.name());
button.click();
// refresh row references
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(1);
assertEquals("50", row.getText());
// scroll while already within viewport
destinationSelect.selectByText(ScrollDestination.MIDDLE.name());
button.click();
// expect the row at the top of the viewport again
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() / 2);
assertEquals("50", row.getText());
assertElementAtMiddle(row);
// scroll to beginning using scroll destination
textField.setValue("0");
button.click();
// expect to be scrolled all the way up
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(0);
assertEquals("0", row.getText());
assertElementAtTop(row);
// scroll to end using scroll destination
textField.setValue("99");
button.click();
// expect to be scrolled all the way down
rows = grid.getBody().findElements(By.className("v-grid-row"));
row = rows.get(rows.size() - 1);
assertEquals("99", row.getText());
assertElementAtBottom(row);
}
}
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