package jnpf.dmsPermission;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;

class DmsFileSearchPolicyTest {

    @Test
    void trimsKeywordAndTreatsBlankAsNoSearch() {
        assertEquals("玻思韬", DmsFileSearchPolicy.normalizeKeyword("  玻思韬  "));
        assertNull(DmsFileSearchPolicy.normalizeKeyword("   "));
        assertNull(DmsFileSearchPolicy.normalizeKeyword(null));
    }

    @Test
    void rejectsKeywordLongerThanTheSharedLimit() {
        String keyword = String.join("", java.util.Collections.nCopies(
                DmsFileSearchPolicy.MAX_KEYWORD_LENGTH + 1, "a"));

        assertThrows(DmsPermissionException.class,
                () -> DmsFileSearchPolicy.normalizeKeyword(keyword));
    }
}