// Copyright 2023 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package dev.cel.common.values;

import static com.google.common.truth.Truth.assertThat;

import java.util.Optional;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public class CelValueConverterTest {
  private static final CelValueConverter CEL_VALUE_CONVERTER = new CelValueConverter() {};

  @Test
  @SuppressWarnings("unchecked") // Test only
  public void toRuntimeValue_optionalValue() {
    OptionalValue<String, String> optionalValue =
        (OptionalValue<String, String>) CEL_VALUE_CONVERTER.toRuntimeValue(Optional.of("test"));

    assertThat(optionalValue).isEqualTo(OptionalValue.create("test"));
  }

  @Test
  @SuppressWarnings("unchecked") // Test only
  public void unwrap_optionalValue() {
    Optional<Long> result =
        (Optional<Long>) CEL_VALUE_CONVERTER.maybeUnwrap(OptionalValue.create(2L));

    assertThat(result).isEqualTo(Optional.of(2L));
  }

  @Test
  @SuppressWarnings("unchecked") // Test only
  public void unwrap_emptyOptionalValue() {
    Optional<Long> result = (Optional<Long>) CEL_VALUE_CONVERTER.maybeUnwrap(OptionalValue.EMPTY);

    assertThat(result).isEqualTo(Optional.empty());
  }
}
