ProjectsPageTest.java

/*******************************************************************************
 * Copyright (c) 2012-2017 Codenvy, S.A.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *   Codenvy, S.A. - initial API and implementation
 *******************************************************************************/
package org.eclipse.che.ide.command.editor.page.project;

import com.google.gwtmockito.GwtMockitoTestRunner;
import com.google.web.bindery.event.shared.EventBus;

import org.eclipse.che.ide.api.app.AppContext;
import org.eclipse.che.ide.api.command.CommandImpl;
import org.eclipse.che.ide.api.command.CommandImpl.ApplicableContext;
import org.eclipse.che.ide.api.resources.Project;
import org.eclipse.che.ide.api.resources.Resource;
import org.eclipse.che.ide.api.resources.ResourceChangedEvent;
import org.eclipse.che.ide.api.resources.ResourceDelta;
import org.eclipse.che.ide.command.editor.EditorMessages;
import org.eclipse.che.ide.command.editor.page.CommandEditorPage.DirtyStateListener;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.InjectMocks;
import org.mockito.Mock;

import java.util.HashSet;
import java.util.Map;
import java.util.Set;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/** Tests for {@link ProjectsPage}. */
@RunWith(GwtMockitoTestRunner.class)
public class ProjectsPageTest {

    private static final String PROJECT_PATH = "/projects/p1";

    @Mock
    private ProjectsPageView view;
    @Mock
    private AppContext       appContext;
    @Mock
    private EditorMessages   messages;
    @Mock
    private EventBus         eventBus;

    @InjectMocks
    private ProjectsPage page;

    @Mock
    private DirtyStateListener                    dirtyStateListener;
    @Mock
    private CommandImpl                           editedCommand;
    @Mock
    private ApplicableContext                     applicableContext;
    @Mock
    private Project                               project;
    @Captor
    private ArgumentCaptor<Map<Project, Boolean>> projectsStatesCaptor;

    @Before
    public void setUp() throws Exception {
        when(project.getPath()).thenReturn(PROJECT_PATH);
        when(appContext.getProjects()).thenReturn(new Project[]{project});
        when(editedCommand.getApplicableContext()).thenReturn(applicableContext);

        page.setDirtyStateListener(dirtyStateListener);
        page.edit(editedCommand);
    }

    @Test
    public void shouldSetViewDelegate() throws Exception {
        verify(view).setDelegate(page);
    }

    @Test
    public void shouldReturnView() throws Exception {
        assertEquals(view, page.getView());
    }

    @Test
    public void shouldSetProjects() throws Exception {
        setUpApplicableProjectToContext();

        verifySettingProjects();
    }

    @Test
    public void shouldNotifyListenerWhenApplicableProjectChanged() throws Exception {
        page.onApplicableProjectChanged(mock(Project.class), true);

        verify(dirtyStateListener, times(2)).onDirtyStateChanged();
    }

    @Test
    public void shouldAddApplicableProjectInContext() throws Exception {
        page.onApplicableProjectChanged(project, true);

        verify(applicableContext).addProject(eq(PROJECT_PATH));
    }

    @Test
    public void shouldRemoveApplicableProjectFromContext() throws Exception {
        page.onApplicableProjectChanged(project, false);

        verify(applicableContext).removeProject(eq(PROJECT_PATH));
    }

    @Test
    public void shouldUnsetWorkspaceApplicableWhenAnyApplicableProject() throws Exception {
        page.onApplicableProjectChanged(project, true);

        verify(applicableContext).setWorkspaceApplicable(eq(Boolean.FALSE));
    }

    @Test
    public void shouldSetWorkspaceApplicableWhenNoApplicableProject() throws Exception {
        page.onApplicableProjectChanged(project, false);

        verify(applicableContext).setWorkspaceApplicable(eq(Boolean.TRUE));
    }

    @Test
    public void shouldSetProjectsOnResourceChanged() throws Exception {
        setUpApplicableProjectToContext();

        ResourceDelta resourceDelta = mock(ResourceDelta.class);
        Resource resource = mock(Resource.class);
        when(resourceDelta.getResource()).thenReturn(resource);
        when(resource.isProject()).thenReturn(true);

        page.onResourceChanged(new ResourceChangedEvent(resourceDelta));

        verifySettingProjects();
    }

    private void setUpApplicableProjectToContext() {
        Set<String> applicableProjects = new HashSet<>();
        applicableProjects.add(PROJECT_PATH);
        when(applicableContext.getApplicableProjects()).thenReturn(applicableProjects);
    }

    private void verifySettingProjects() throws Exception {
        verify(view).setProjects(projectsStatesCaptor.capture());

        Map<Project, Boolean> map = projectsStatesCaptor.getValue();
        assertTrue(map.containsKey(project));
    }
}