/**
 * Copyright (c) 2008, http://www.snakeyaml.org
 *
 * 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 org.yaml.snakeyaml.env;

import junit.framework.TestCase;
import org.yaml.snakeyaml.Yaml;
import org.yaml.snakeyaml.nodes.Node;

import java.io.StringReader;

/**
 * test that implicit resolver assigns the tag
 */
public class EnvTagTest extends TestCase {
    public void testImplicitResolverForEnvConstructor() {
        Yaml yaml = new Yaml();
        yaml.addImplicitResolver(EnvScalarConstructor.ENV_TAG, EnvFormatTest.ENV_FORMAT, "$");
        Node loaded = yaml.compose(new StringReader("${PATH}"));
        assertEquals(EnvScalarConstructor.ENV_TAG, loaded.getTag());
    }
}
