ClasspathSettingProjectOpenedHookTest.java

/**
 * Copyright (C) 2015 drrb
 *
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */
package com.github.drrb.rust.netbeans.classpath;

import static com.github.drrb.rust.netbeans.RustLanguage.SOURCE_CLASSPATH_ID;
import com.github.drrb.rust.netbeans.project.RustProject;
import static com.github.drrb.rust.netbeans.test.Matchers.matchesRegex;
import static com.github.drrb.rust.netbeans.test.TestData.getData;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import static org.hamcrest.Matchers.hasItemInArray;
import org.hamcrest.TypeSafeMatcher;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import static org.mockito.Matchers.argThat;
import static org.mockito.Matchers.eq;
import org.mockito.Mock;
import static org.mockito.Mockito.verify;
import org.netbeans.api.java.classpath.ClassPath;
import org.netbeans.api.java.classpath.GlobalPathRegistry;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileUtil;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

/**
 *
 */
@RunWith(PowerMockRunner.class)
@PrepareForTest(GlobalPathRegistry.class)
public class ClasspathSettingProjectOpenedHookTest {

    private RustProject project;
    @Mock
    private GlobalPathRegistry globalPathRegistry;
    private ClasspathSettingProjectOpenedHook hook;

    @Before
    public void setUp() {
        FileObject projectDirectory = FileUtil.toFileObject(getData("ClasspathSettingProjectOpenedHookTest/testrustproject"));
        project = new RustProject(projectDirectory, null);
        hook = new ClasspathSettingProjectOpenedHook(project, globalPathRegistry);
    }

    @Test
    public void shouldRegisterSourceDirectoryAsClasspathRoot() {
        hook.projectOpened();

        verify(globalPathRegistry).register(eq(SOURCE_CLASSPATH_ID), argThat(hasItemInArray(classpathWithRootThat(matchesRegex(".*testrustproject/src$")))));
    }

    private ClasspathWithRoot classpathWithRootThat(Matcher<String> folder) {
        return new ClasspathWithRoot(folder);
    }

    private class ClasspathWithRoot extends TypeSafeMatcher<ClassPath> {

        private final Matcher<String> folderMatcher;

        private ClasspathWithRoot(Matcher<String> folderMatcher) {
            this.folderMatcher = folderMatcher;
        }

        @Override
        public boolean matchesSafely(ClassPath item) {
            for (FileObject root : item.getRoots()) {
                if (folderMatcher.matches(root.getPath())) {
                    return true;
                }
            }
            return false;
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("classpath containing root that ").appendDescriptionOf(folderMatcher);
        }
    }
}