com.google.cloud.tools.eclipse.projectselector.ProjectSelectorTest.java Source code

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Here is the source code for com.google.cloud.tools.eclipse.projectselector.ProjectSelectorTest.java

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/*
 * Copyright 2017 Google Inc.
 *
 * 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 com.google.cloud.tools.eclipse.projectselector;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;

import com.google.cloud.tools.eclipse.projectselector.model.GcpProject;
import com.google.cloud.tools.eclipse.test.util.ui.ShellTestResource;
import java.util.Arrays;
import java.util.List;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.widgets.TableColumn;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.runners.MockitoJUnitRunner;

@RunWith(MockitoJUnitRunner.class)
public class ProjectSelectorTest {

    @Rule
    public ShellTestResource shellResource = new ShellTestResource();

    @Test
    public void testCreatedColumns() {
        ProjectSelector projectSelector = new ProjectSelector(shellResource.getShell());

        TableColumn[] columns = projectSelector.getViewer().getTable().getColumns();
        assertThat(columns.length, is(2));
        assertThat(columns[0].getText(), is("Name"));
        assertThat(columns[1].getText(), is("ID"));
    }

    @Test
    public void testProjectsAreSortedAlphabetically() throws Exception {
        ProjectSelector projectSelector = new ProjectSelector(shellResource.getShell());
        projectSelector.setProjects(getUnsortedProjectList());

        assertThat(((GcpProject) projectSelector.getViewer().getElementAt(0)).getName(), is("a"));
        assertThat(((GcpProject) projectSelector.getViewer().getElementAt(1)).getName(), is("b"));
        assertThat(((GcpProject) projectSelector.getViewer().getElementAt(2)).getName(), is("c"));
        assertThat(((GcpProject) projectSelector.getViewer().getElementAt(3)).getName(), is("d"));
    }

    @Test
    public void testSetProjectMaintainsSelection() {
        List<GcpProject> projects = getUnsortedProjectList();
        GcpProject selectedProject = projects.get(3);

        ProjectSelector projectSelector = new ProjectSelector(shellResource.getShell());
        projectSelector.setProjects(projects);
        projectSelector.getViewer().setSelection(new StructuredSelection(selectedProject));
        projectSelector.setProjects(projects.subList(2, projects.size()));

        IStructuredSelection selection = projectSelector.getViewer().getStructuredSelection();
        assertThat(selection.size(), is(1));
        assertThat((GcpProject) selection.getFirstElement(), is(selectedProject));
    }

    private List<GcpProject> getUnsortedProjectList() {
        return Arrays.asList(new GcpProject("b", "b"), new GcpProject("a", "a"), new GcpProject("d", "d"),
                new GcpProject("c", "c"));
    }
}