/*
 * Copyright © 2012 The Feign Authors (feign@commonhaus.dev)
 *
 * 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
 *
 *     http://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 feign;

import static feign.Util.enumForName;
import static org.assertj.core.api.Assertions.assertThat;

import feign.Request.ProtocolVersion;
import java.util.Arrays;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;

public class EnumForNameTest {

  public static class KnownEnumValuesTest {
    public Object name;
    public ProtocolVersion expectedProtocolVersion;

    public static Iterable<Object[]> data() {
      return Arrays.asList(
          new Object[][] {
            {ProtocolVersion.HTTP_1_0, ProtocolVersion.HTTP_1_0},
            {"HTTP/1.0", ProtocolVersion.HTTP_1_0},
            {ProtocolVersion.HTTP_1_1, ProtocolVersion.HTTP_1_1},
            {"HTTP/1.1", ProtocolVersion.HTTP_1_1},
            {ProtocolVersion.HTTP_2, ProtocolVersion.HTTP_2},
            {"HTTP/2.0", ProtocolVersion.HTTP_2}
          });
    }

    @MethodSource("data")
    @ParameterizedTest
    void getKnownEnumValue(Object name, ProtocolVersion expectedProtocolVersion) {
      initKnownEnumValues(name, expectedProtocolVersion);
      assertThat(enumForName(ProtocolVersion.class, name))
          .as("known enum value: " + name)
          .isEqualTo(expectedProtocolVersion);
    }

    public void initKnownEnumValues(Object name, ProtocolVersion expectedProtocolVersion) {
      this.name = name;
      this.expectedProtocolVersion = expectedProtocolVersion;
    }
  }

  public static class UnknownEnumValuesTest {

    public Object name;

    public static Iterable<Object[]> data() {
      return Arrays.asList(
          new Object[][] {{Request.HttpMethod.GET}, {"SPDY/3"}, {null}, {"HTTP/2"}});
    }

    @MethodSource("data")
    @ParameterizedTest
    void getKnownEnumValue(Object name) {
      initUnknownEnumValues(name);
      assertThat(enumForName(ProtocolVersion.class, name))
          .as("unknown enum value: " + name)
          .isNull();
    }

    public void initUnknownEnumValues(Object name) {
      this.name = name;
    }
  }
}