GridRowHeightTest.java

package com.vaadin.tests.components.grid.basics;

import org.junit.Assert;
import org.junit.Test;

public class GridRowHeightTest extends GridBasicsTest {

    @Test
    public void testRowHeights() {
        selectMenuPath("Component", "Footer", "Add default footer row");

        int initialHeaderHeight = getHeaderHeight();
        int initialBodyRowHeight = getBodyRowHeight();
        int initialFooterHeight = getFooterHeight();

        // set automatic size and check that no change
        setRowHeight(-1);
        checkRowHeights(initialHeaderHeight, initialBodyRowHeight,
                initialFooterHeight);

        // set explicit size and check height
        setRowHeight(20);
        checkRowHeights(20, 20, 20);

        // set automatic size and check that initial size
        setRowHeight(-1);
        checkRowHeights(initialHeaderHeight, initialBodyRowHeight,
                initialFooterHeight);
    }

    private void checkRowHeights(int expectedHeaderHeight,
            int expectedBodyRowHeight, int expectedFooterHeight) {
        Assert.assertEquals("Header height does not match expected value",
                expectedHeaderHeight, getHeaderHeight());
        Assert.assertEquals("Body row height does not match expected value",
                expectedBodyRowHeight, getBodyRowHeight());
        Assert.assertEquals("Footer height does not match expected value",
                expectedFooterHeight, getFooterHeight());
    }

    private void setRowHeight(int height) {
        selectMenuPath("Component", "Size", "Row Height", "" + height);
    }

    private int getHeaderHeight() {
        return getGridElement().getHeader().getSize().getHeight();
    }

    private int getBodyRowHeight() {
        return getGridElement().getRow(0).getSize().getHeight();
    }

    private int getFooterHeight() {
        return getGridElement().getFooter().getSize().getHeight();
    }

}