XmirObjectTest.java

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2016-2025 Objectionary.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
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 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE
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 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
/*
 * @checkstyle PackageNameCheck (10 lines)
 */
package org.eolang;

import com.google.common.reflect.ClassPath;
import java.io.IOException;
import java.lang.reflect.Modifier;
import java.util.stream.Collectors;
import org.hamcrest.MatcherAssert;
import org.hamcrest.Matchers;
import org.junit.jupiter.api.Test;

/**
 * Test case for {@link XmirObject}.
 *
 * @since 0.38
 */
final class XmirObjectTest {

    @Test
    void annotatesOnlyPublicClasses() throws IOException {
        MatcherAssert.assertThat(
            "All top-level EOxx classes must be public",
            ClassPath.from(ClassLoader.getSystemClassLoader())
                .getAllClasses()
                .stream()
                .filter(
                    clazz -> "EOorg.EOeolang".equals(clazz.getPackageName())
                        && clazz.getSimpleName().startsWith("EO")
                )
                .map(ClassPath.ClassInfo::load)
                .filter(
                    clazz -> !Modifier.isPublic(clazz.getModifiers())
                        && !(clazz.isMemberClass() || clazz.isLocalClass())
                        && Phi.class.isAssignableFrom(clazz)
                )
                .collect(Collectors.toList()),
            Matchers.empty()
        );
    }
}