org.silverpeas.core.test.extention.SettingBundleStub.java Source code

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Here is the source code for org.silverpeas.core.test.extention.SettingBundleStub.java

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/*
 * Copyright (C) 2000 - 2019 Silverpeas
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * As a special exception to the terms and conditions of version 3.0 of
 * the GPL, you may redistribute this Program in connection with Free/Libre
 * Open Source Software ("FLOSS") applications as described in Silverpeas's
 * FLOSS exception.  You should have received a copy of the text describing
 * the FLOSS exception, and it is also available here:
 * "https://www.silverpeas.org/legal/floss_exception.html"
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.silverpeas.core.test.extention;

import org.apache.commons.lang3.reflect.FieldUtils;
import org.junit.jupiter.api.extension.AfterEachCallback;
import org.junit.jupiter.api.extension.BeforeEachCallback;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.silverpeas.core.util.ResourceLocator;
import org.silverpeas.core.util.SettingBundle;
import org.silverpeas.core.util.SilverpeasBundle;

import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * Provides easy stubbing on the {@link SettingBundle} in unit tests.
 * @author silveryocha
 */
public class SettingBundleStub implements BeforeEachCallback, AfterEachCallback {

    private final String bundleName;
    private final Map<String, String> settingMap = new HashMap<>();
    private final Set<String> settingNames = new HashSet<>();
    private Map<String, SilverpeasBundle> bundleCache;

    public SettingBundleStub(final String bundleName) {
        this.bundleName = bundleName;
    }

    /**
     * Puts a couple key / value.
     * @param key the key.
     * @param value the value.
     * @return itself.
     */
    public SettingBundleStub put(final String key, final String value) {
        settingMap.put(key, value);
        return this;
    }

    @Override
    public void beforeEach(final ExtensionContext context) throws Exception {
        init();
    }

    @Override
    public void afterEach(final ExtensionContext context) throws Exception {
        clear();
    }

    @SuppressWarnings("unchecked")
    private void init() throws IllegalAccessException {
        bundleCache = (Map) FieldUtils.readStaticField(ResourceLocator.class, "bundles", true);
        bundleCache.put(bundleName, new SettingBundleTest(settingMap));
        settingNames.add(bundleName);
    }

    protected void clear() {
        settingNames.forEach(bundleCache::remove);
    }

    private class SettingBundleTest extends SettingBundle {
        private final Map<String, String> settingMap;

        private SettingBundleTest(final Map<String, String> settingMap) {
            super("", null);
            this.settingMap = settingMap;
        }

        @Override
        public String getString(final String key) {
            return settingMap.get(key);
        }
    }
}