org.eclipse.handly.examples.jmodel.tests/src/org/eclipse/handly/internal/examples/jmodel/JavaModelCoreTest.java

/*******************************************************************************
 * Copyright (c) 2015, 2022 1C-Soft LLC.
 *
 * This program and the accompanying materials are made available under
 * the terms of the Eclipse Public License 2.0 which is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *     Vladimir Piskarev (1C) - initial API and implementation
 *******************************************************************************/
package org.eclipse.handly.internal.examples.jmodel;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.core.resources.IProject;
import org.eclipse.handly.examples.jmodel.IJavaModel;
import org.eclipse.handly.examples.jmodel.IJavaProject;
import org.eclipse.handly.examples.jmodel.IPackageFragmentRoot;
import org.eclipse.handly.examples.jmodel.JavaModelCore;
import org.eclipse.handly.junit.NoJobsWorkspaceTestCase;

/**
 * <code>JavaModelCore</code> tests.
 */
public class JavaModelCoreTest
    extends NoJobsWorkspaceTestCase
{
    private IProject project;
    private IFolder srcFolder;
    private IProject simpleProject;
    private IProject nonExistingProject;
    private IJavaModel javaModel;
    private IJavaProject javaProject;
    private IPackageFragmentRoot srcRoot;

    @Override
    protected void setUp() throws Exception
    {
        super.setUp();
        project = setUpProject("Test007");
        srcFolder = project.getFolder("src");
        simpleProject = setUpProject("SimpleProject");
        nonExistingProject = getProject("nonExisting");
        javaModel = JavaModelCore.getJavaModel();
        javaProject = javaModel.getJavaProject(project.getName());
        srcRoot = javaProject.getPackageFragmentRoot(srcFolder);
    }

    public void test001()
    {
        assertEquals(javaModel, JavaModelCore.create(
            javaModel.getWorkspace().getRoot()));
    }

    public void test002() throws Exception
    {
        assertEquals(javaProject, JavaModelCore.create(project));

        project.close(null);
        assertEquals(javaProject, JavaModelCore.create(project));

        assertEquals(javaModel.getJavaProject(simpleProject.getName()),
            JavaModelCore.create(simpleProject));

        assertEquals(javaModel.getJavaProject(nonExistingProject.getName()),
            JavaModelCore.create(nonExistingProject));
    }

    public void test003() throws Exception
    {
        assertEquals(srcRoot, JavaModelCore.create(srcFolder));

        assertNull(JavaModelCore.create(project.getFolder("src-gen")));

        project.close(null);
        assertNull(JavaModelCore.create(srcFolder));

        assertNull(JavaModelCore.create(simpleProject.getFolder("src")));

        assertNull(JavaModelCore.create(nonExistingProject.getFolder("src")));
    }

    public void test004() throws Exception
    {
        IFolder fooFolder = srcFolder.getFolder("foo");
        assertEquals(srcRoot.getPackageFragment("foo"), JavaModelCore.create(
            fooFolder));
        assertEquals(srcRoot.getPackageFragment("foo.bar"),
            JavaModelCore.create(fooFolder.getFolder("bar")));

        assertNull(JavaModelCore.create(srcFolder.getFolder("META-INF")));

        project.close(null);
        assertNull(JavaModelCore.create(fooFolder));
    }

    public void test005() throws Exception
    {
        IFile aFile = srcFolder.getFile("A.java");
        assertEquals(srcRoot.getPackageFragment("").getCompilationUnit(
            aFile.getName()), JavaModelCore.create(aFile));

        aFile = srcFolder.getFolder("foo").getFile("A.java");
        assertEquals(srcRoot.getPackageFragment("foo").getCompilationUnit(
            aFile.getName()), JavaModelCore.create(aFile));

        assertNull(JavaModelCore.create(srcFolder.getFile("A")));

        try
        {
            JavaModelCore.createCompilationUnitFrom(srcFolder.getFile("A"));
            fail();
        }
        catch (IllegalArgumentException e)
        {
        }

        assertNull(JavaModelCore.create(srcFolder.getFolder("META-INF").getFile(
            "A.java")));

        assertNull(JavaModelCore.create(project.getFolder("src-gen").getFile(
            "A.java")));

        project.close(null);
        assertNull(JavaModelCore.create(aFile));

        assertNull(JavaModelCore.create(simpleProject.getFile("A.java")));

        assertNull(JavaModelCore.create(nonExistingProject.getFile("A.java")));
    }
}