popularWordHelper.init();
    }

    @Test
    public void test_getCacheKey_allParameters() {
        String seed = "test_seed";
        String[] tags = { "tag2", "tag1" };
        String[] roles = { "role2", "role1" };
        String[] fields = { "field2", "field1" };
        String[] excludes = { "exclude2", "exclude1" };

        String result = popularWordHelper.getCacheKey(seed, tags, roles, fields, excludes);

    }

    /**
     * Constructor that creates a DocBoostMatcher from a BoostDocumentRule.
     *
     * @param rule the boost document rule containing match and boost expressions
     */
    public DocBoostMatcher(final BoostDocumentRule rule) {
        matchExpression = rule.getUrlExpr();
        boostExpression = rule.getBoostExpr();
        scriptType = ComponentUtil.getFessConfig().getCrawlerDefaultScript();
    }

    /**

      },
      "filter": {
        "stemmer_en_filter": {
          "type": "stemmer",
          "name": "english"
        },
        "english_override": {
          "type":       "stemmer_override",
          "rules": []
        },
        "possessive_stemmer_en_filter": {
          "type": "stemmer",
          "name": "possessive_english"
        },
        "stopword_en_filter": {
          "type": "stop",

      },
      "filter": {
        "stemmer_en_filter": {
          "type": "stemmer",
          "name": "english"
        },
        "english_override": {
          "type":       "stemmer_override",
          "rules": []
        },
        "possessive_stemmer_en_filter": {
          "type": "stemmer",
          "name": "possessive_english"
        },
        "stopword_en_filter": {
          "type": "stop",

     * These represent the original/current input values for this mapping rule.
     */
    private final String[] inputs;

    /**
     * The output character sequence that input characters will be mapped to.
     * This represents the original/current output value for this mapping rule.
     */
    private final String output;

    /**

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.rule;

import java.util.regex.Pattern;

import org.codelibs.fess.unit.UnitFessTestCase;
import org.junit.jupiter.api.Test;

/**
 * Test class for MIME type patterns defined in crawler/rule.xml.
 * Verifies that regex patterns correctly match MIME types with special characters.
 *

        nBestExamples = settings.get(NBEST_EXAMPLES);
    }

    private static String parse(String rule, Set<String> dup) {
        String[] values = CSVUtil.parse(rule);
        if (dup.add(values[0]) == false) {
            throw new IllegalArgumentException("Found duplicate term [" + values[0] + "] in user dictionary.");
        }
        return rule;
    }

    public static UserDictionary getUserDictionary(Environment env, Settings settings) {

    }

    /**
     * Delays the crawler while waiting for new URLs to be available.
     * This method calibrates CPU load, checks crawler status, applies
     * interval control rules, and then calls the parent implementation.
     * All operations are wrapped in exception handling to ensure robustness
     * in test and production environments.
     */
    @Override

<code>"hello, world"</code>.  (It might print the empty string,
crash, or do something else.)
</p>

<p class="rule">
The <i>k</i>th receive from a channel with capacity <i>C</i> is synchronized before the completion of the <i>k</i>+<i>C</i>th send on that channel.
</p>

<p>
This rule generalizes the previous rule to buffered channels.
It allows a counting semaphore to be modeled by a buffered channel:

# OkHttp test platform rules uses optional classes.