plugins/org.eclipse.wst.sse.sieditor.search.test/src/org/eclipse/wst/sse/sieditor/search/ui/actions/AbstractActiveOnSingleSelectionActionTest.java

package org.eclipse.wst.sse.sieditor.search.ui.actions;

import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.junit.Assert;
import org.junit.Test;
import org.mockito.Mockito;

public class AbstractActiveOnSingleSelectionActionTest {

    @Test
    public void testGetStructuredSelectionFirstElement() {
        IStructuredSelection structuredSelection = Mockito.mock(IStructuredSelection.class);
        ISelection firstElement = Mockito.mock(ISelection.class);
        Mockito.when(structuredSelection.getFirstElement()).thenReturn(firstElement);

        MockedActiveOnSingleSelectionAction mock = new MockedActiveOnSingleSelectionAction(structuredSelection);
        Assert.assertEquals(firstElement, mock.getStructuredSelectionFirstElement());

    }

    @Test
    public void testIsEnabled() {
        ISelection selection = Mockito.mock(ISelection.class);
        MockedActiveOnSingleSelectionAction mock = new MockedActiveOnSingleSelectionAction(selection);
        Assert.assertFalse(mock.isEnabled());

        IStructuredSelection structuredSelection = Mockito.mock(IStructuredSelection.class);
        mock = new MockedActiveOnSingleSelectionAction(structuredSelection);
        Mockito.when(structuredSelection.size()).thenReturn(0);
        Assert.assertFalse(mock.isEnabled());

        Mockito.when(structuredSelection.size()).thenReturn(2);
        Assert.assertFalse(mock.isEnabled());

        Mockito.when(structuredSelection.size()).thenReturn(1);
        Assert.assertTrue(mock.isEnabled());
    }

    private class MockedActiveOnSingleSelectionAction extends AbstractActiveOnSingleSelectionAction {

        @Override
        protected Object getStructuredSelectionFirstElement() {
            return super.getStructuredSelectionFirstElement();
        }

        public MockedActiveOnSingleSelectionAction(ISelection selection) {
            super(selection);
        }

    }
}