/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 org.apache.flink.agents.api.yaml;

import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
import org.junit.jupiter.api.Test;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatThrownBy;

class LanguageTest {

    @Test
    void jsonValueIsLowercase() {
        assertThat(Language.PYTHON.getValue()).isEqualTo("python");
        assertThat(Language.JAVA.getValue()).isEqualTo("java");
    }

    @Test
    void deserializesFromLowercaseString() throws Exception {
        ObjectMapper m = new ObjectMapper(new YAMLFactory());
        Language py = m.readValue("\"python\"", Language.class);
        Language ja = m.readValue("\"java\"", Language.class);
        assertThat(py).isEqualTo(Language.PYTHON);
        assertThat(ja).isEqualTo(Language.JAVA);
    }

    @Test
    void rejectsUnknownString() {
        ObjectMapper m = new ObjectMapper(new YAMLFactory());
        assertThatThrownBy(() -> m.readValue("\"go\"", Language.class)).hasMessageContaining("go");
    }
}
