org.eclipse.che.plugin.java.testing.ProjectClasspathProviderTest.java Source code

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Here is the source code for org.eclipse.che.plugin.java.testing.ProjectClasspathProviderTest.java

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/*
 * Copyright (c) 2012-2017 Red Hat, Inc.
 * 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:
 *   Red Hat, Inc. - initial API and implementation
 */
package org.eclipse.che.plugin.java.testing;

import static org.fest.assertions.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.lang.reflect.Field;
import java.util.Set;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.internal.core.JavaModel;
import org.eclipse.jdt.internal.core.JavaModelManager;
import org.mockito.Mock;
import org.mockito.testng.MockitoTestNGListener;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Listeners;
import org.testng.annotations.Test;

/** Test for {@link ProjectClasspathProvider} */
@Listeners(value = { MockitoTestNGListener.class })
public class ProjectClasspathProviderTest {

    private static final String PROJECTS_PATH = "/projects";

    private static ResourcesPlugin RESOURCE_PLUGIN = new ResourcesPlugin("target/test-classes/index", PROJECTS_PATH,
            () -> null, () -> null);

    @Mock
    private IJavaProject javaProject;

    private ProjectClasspathProvider classpathProvider;

    @BeforeMethod
    public void setUp() throws Exception {
        classpathProvider = new ProjectClasspathProvider(PROJECTS_PATH);
    }

    @Test
    public void classpathProviderShouldProvideClasspathPaths() throws Exception {
        IClasspathEntry classpathEntry = mock(IClasspathEntry.class);
        when(classpathEntry.getEntryKind()).thenReturn(IClasspathEntry.CPE_SOURCE);
        IPath path = new Path("/testProject/target/classes");
        when(classpathEntry.getOutputLocation()).thenReturn(path);

        IClasspathEntry[] entries = new IClasspathEntry[] { classpathEntry };
        when(javaProject.getResolvedClasspath(false)).thenReturn(entries);

        Set<String> classPath = classpathProvider.getProjectClassPath(javaProject);
        assertThat(classPath).isNotNull().isNotEmpty().contains(PROJECTS_PATH + "/testProject/target/classes");
    }

    @Test
    public void classpathProviderShouldProvideClasspathPathsWithExternalDependencies() throws Exception {
        IClasspathEntry classpathEntry = mock(IClasspathEntry.class);
        when(classpathEntry.getEntryKind()).thenReturn(IClasspathEntry.CPE_SOURCE);
        IPath path = new Path("/testProject/target/classes");
        when(classpathEntry.getOutputLocation()).thenReturn(path);

        IClasspathEntry jarClasspathEntry = mock(IClasspathEntry.class);
        when(jarClasspathEntry.getEntryKind()).thenReturn(IClasspathEntry.CPE_LIBRARY);
        IPath jarPath = new Path("/absolute/path/to/jar.file");
        when(jarClasspathEntry.getPath()).thenReturn(jarPath);

        IClasspathEntry[] entries = new IClasspathEntry[] { classpathEntry, jarClasspathEntry };
        when(javaProject.getResolvedClasspath(false)).thenReturn(entries);

        Set<String> classPath = classpathProvider.getProjectClassPath(javaProject);

        assertThat(classPath).isNotNull().isNotEmpty().contains(PROJECTS_PATH + "/testProject/target/classes",
                "/absolute/path/to/jar.file");
    }

    @Test
    public void classpathProviderShouldProvideClasspathPathsWithAnotherProject() throws Exception {
        JavaModel model = mock(JavaModel.class);
        Field javaModel = JavaModelManager.class.getDeclaredField("javaModel");
        javaModel.setAccessible(true);
        javaModel.set(JavaModelManager.getJavaModelManager(), model);
        IClasspathEntry entry = mockClasspathEntry(IClasspathEntry.CPE_SOURCE, "/anotherProject/src",
                "/anotherProject/target/classes");

        IJavaProject anotherProject = mock(IJavaProject.class);
        when(anotherProject.getResolvedClasspath(false)).thenReturn(new IClasspathEntry[] { entry });
        when(model.getJavaProject("/anotherProject")).thenReturn(anotherProject);

        IClasspathEntry classpathEntry = mockClasspathEntry(IClasspathEntry.CPE_SOURCE, "",
                "/testProject/target/classes");
        IClasspathEntry jarClasspathEntry = mockClasspathEntry(IClasspathEntry.CPE_LIBRARY,
                "/absolute/path/to/jar.file", null);
        IClasspathEntry projectEntry = mockClasspathEntry(IClasspathEntry.CPE_PROJECT, "/anotherProject", null);

        IClasspathEntry[] entries = new IClasspathEntry[] { classpathEntry, jarClasspathEntry, projectEntry };
        when(javaProject.getResolvedClasspath(false)).thenReturn(entries);

        Set<String> classPath = classpathProvider.getProjectClassPath(javaProject);

        assertThat(classPath).isNotNull().isNotEmpty().contains(PROJECTS_PATH + "/testProject/target/classes",
                "/absolute/path/to/jar.file", PROJECTS_PATH + "/anotherProject/target/classes");
    }

    private IClasspathEntry mockClasspathEntry(int kind, String path, String outputPath) {
        IClasspathEntry result = mock(IClasspathEntry.class);
        when(result.getEntryKind()).thenReturn(kind);
        when(result.getPath()).thenReturn(new Path(path));
        if (outputPath != null) {
            when(result.getOutputLocation()).thenReturn(new Path(outputPath));
        }
        return result;
    }
}