vaadin-framework/uitest/src/test/java/com/vaadin/tests/components/grid/GridRemoveColumnAndDetachTest.java

package com.vaadin.tests.components.grid;

import static org.junit.Assert.assertTrue;

import org.junit.Test;

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.tests.tb3.SingleBrowserTest;

public class GridRemoveColumnAndDetachTest extends SingleBrowserTest {

    @Test
    public void gridDetachesWithoutErrors() {
        openTestURL("debug");
        $(ButtonElement.class).id("detach").click();

        assertElementNotPresent(By.className("v-grid"));
        assertNoErrorNotifications();
    }

    @Test
    public void frozenColumnCountAfterRemovingHiddenColumn() {
        openTestURL("debug");
        assertVisibleFrozenColumns(2);
        $(ButtonElement.class).id("remove1").click();
        assertVisibleFrozenColumns(2);

    }

    @Test
    public void frozenColumnCountAfterWhenRemovingFrozenColumn() {
        openTestURL("debug");
        assertVisibleFrozenColumns(2);
        $(ButtonElement.class).id("remove0").click();
        assertVisibleFrozenColumns(1);

    }

    private void assertVisibleFrozenColumns(int nrFrozenColumns) {
        GridElement grid = $(GridElement.class).first();
        for (int i = 0; i < nrFrozenColumns; i++) {
            TestBenchElement cell = grid.getCell(0, i);
            assertTrue("Column " + i + " should be frozen",
                    cell.hasClassName("frozen"));
        }
        assertTrue("Only " + nrFrozenColumns + " should be frozen", grid
                .getCell(0, nrFrozenColumns - 1).hasClassName("last-frozen"));
    }

    @Test
    public void frozenColumnCountAfterWhenRemovingNonFrozenColumn() {
        openTestURL("debug");
        assertVisibleFrozenColumns(2);
        $(ButtonElement.class).id("remove3").click();
        assertVisibleFrozenColumns(2);
    }

    @Test
    public void allColumnsFrozenRemoveLast() {
        openTestURL("debug");
        $(ButtonElement.class).id("remove3").click();
        $(ButtonElement.class).id("remove2").click();
        assertVisibleFrozenColumns(1);
        assertNoErrorNotifications();
    }
}