content: /*
   * Inkless
   * Copyright (C) 2024 - 2025 Aiven OY
   *
   * 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.
   *
   * 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 io.aiven.inkless.common.config.validators;
  
  import org.apache.kafka.common.config.ConfigDef;
  import org.apache.kafka.common.config.ConfigException;
  
  import org.junit.jupiter.api.Test;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.assertThatNoException;
  import static org.assertj.core.api.Assertions.assertThatThrownBy;
  
  class NullTest {
      @Test
      void nullIsValid() {
          assertThatNoException().isThrownBy(() -> Null.or(ConfigDef.Range.between(1, 2)).ensureValid("test", null));
      }
  
      @Test
      void nonNullCorrectValueIsValid() {
          assertThatNoException().isThrownBy(() -> Null.or(ConfigDef.Range.between(1, 2)).ensureValid("test", 1));
      }
  
      @Test
      void invalidValue() {
          assertThatThrownBy(() -> Null.or(ConfigDef.Range.between(1, 2)).ensureValid("test", 5))
              .isInstanceOf(ConfigException.class)
              .hasMessage("Invalid value 5 for configuration test: Value must be no more than 2");
      }
  
      @Test
      void testToString() {
          assertThat(Null.or(ConfigDef.Range.between(1, 2)).toString())
              .isEqualTo("null or [1,...,2]");
      }
  }
  