BaseGridRendererTest.java

/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.uberfire.ext.wires.core.grids.client.widget.grid.renderers.grids.impl;

import java.util.Collections;
import java.util.List;

import com.ait.lienzo.test.LienzoMockitoTestRunner;
import com.google.gwtmockito.WithClassesToStub;
import org.gwtbootstrap3.client.ui.html.Text;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.uberfire.ext.wires.core.grids.client.model.GridColumn;
import org.uberfire.ext.wires.core.grids.client.model.GridData;
import org.uberfire.ext.wires.core.grids.client.model.impl.BaseGridData;
import org.uberfire.ext.wires.core.grids.client.model.impl.BaseGridRow;
import org.uberfire.ext.wires.core.grids.client.model.impl.BaseHeaderMetaData;
import org.uberfire.ext.wires.core.grids.client.widget.context.GridBodyRenderContext;
import org.uberfire.ext.wires.core.grids.client.widget.grid.columns.StringPopupColumn;
import org.uberfire.ext.wires.core.grids.client.widget.grid.renderers.columns.GridColumnRenderer;
import org.uberfire.ext.wires.core.grids.client.widget.grid.renderers.grids.SelectionsTransformer;
import org.uberfire.ext.wires.core.grids.client.widget.grid.renderers.themes.GridRendererTheme;
import org.uberfire.ext.wires.core.grids.client.widget.grid.renderers.themes.impl.BlueTheme;

import static org.junit.Assert.*;
import static org.mockito.Mockito.*;

@WithClassesToStub({Text.class})
@RunWith(LienzoMockitoTestRunner.class)
public class BaseGridRendererTest {

    @Mock
    private GridColumnRenderer<String> columnRenderer;

    @Mock
    private GridBodyRenderContext context;

    @Mock
    private BaseGridRendererHelper rendererHelper;

    @Captor
    private ArgumentCaptor<List<GridColumn<?>>> columnsCaptor;

    @Captor
    private ArgumentCaptor<SelectedRange> selectedRangeCaptor;

    private GridData model;

    private GridColumn<String> column;

    private SelectionsTransformer selectionsTransformer;

    private GridRendererTheme theme = new BlueTheme();

    private BaseGridRenderer renderer;

    @Before
    public void setup() {
        final BaseGridRenderer wrapped = new BaseGridRenderer(theme);
        this.renderer = spy(wrapped);

        this.column = new StringPopupColumn(new BaseHeaderMetaData("title"),
                                            columnRenderer,
                                            100.0);

        this.model = new BaseGridData();
        this.model.appendColumn(column);
        this.model.appendRow(new BaseGridRow());
        this.model.appendRow(new BaseGridRow());
        this.model.appendRow(new BaseGridRow());

        this.selectionsTransformer = new DefaultSelectionsTransformer(model,
                                                                      Collections.singletonList(column));

        when(context.getBlockColumns()).thenReturn(Collections.singletonList(column));
        when(context.getTransformer()).thenReturn(selectionsTransformer);
    }

    @Test
    public void checkSelectedCellsClippedByHeader() {
        checkRenderedSelectedCells(0,
                                   0,
                                   1,
                                   3,
                                   1,
                                   2);
    }

    @Test
    public void checkSelectedCellsNotClippedByHeader() {
        checkRenderedSelectedCells(0,
                                   0,
                                   1,
                                   3,
                                   0,
                                   2);
    }

    private void checkRenderedSelectedCells(final int selectionRowIndex,
                                            final int selectionColumnIndex,
                                            final int selectionColumnCount,
                                            final int selectionRowCount,
                                            final int minVisibleRowIndex,
                                            final int maxVisibleRowIndex) {
        this.model.selectCells(selectionRowIndex,
                               selectionColumnIndex,
                               selectionColumnCount,
                               selectionRowCount);
        when(context.getMinVisibleRowIndex()).thenReturn(minVisibleRowIndex);
        when(context.getMaxVisibleRowIndex()).thenReturn(maxVisibleRowIndex);

        renderer.renderSelectedCells(model,
                                     context,
                                     rendererHelper);

        verify(renderer,
               times(1)).renderSelectedRange(eq(model),
                                             columnsCaptor.capture(),
                                             eq(selectionColumnIndex),
                                             selectedRangeCaptor.capture());

        final List<GridColumn<?>> columns = columnsCaptor.getValue();
        assertNotNull(columns);
        assertEquals(1,
                     columns.size());
        assertEquals(column,
                     columns.get(0));

        final SelectedRange selectedRange = selectedRangeCaptor.getValue();
        assertNotNull(selectedRange);
        assertEquals(selectionColumnIndex,
                     selectedRange.getUiColumnIndex());
        assertEquals(minVisibleRowIndex,
                     selectedRange.getUiRowIndex());
        assertEquals(selectionColumnCount,
                     selectedRange.getWidth());
        assertEquals(maxVisibleRowIndex - minVisibleRowIndex + 1,
                     selectedRange.getHeight());
    }
}