/*
 * 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.state.api;

import org.apache.flink.runtime.jobgraph.OperatorID;
import org.apache.flink.state.api.runtime.OperatorIDGenerator;

import org.junit.jupiter.api.Test;

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

class OperatorIdentifierTest {

    @Test
    void testForUidHash() {
        final OperatorID operatorId = new OperatorID();
        final String hash = operatorId.toHexString();

        assertThat(OperatorIdentifier.forUidHash(hash).getOperatorId()).isEqualTo(operatorId);
    }

    @Test
    void testForUid() {
        final String uid = "uid";
        final OperatorID operatorId = OperatorIDGenerator.fromUid(uid);

        assertThat(OperatorIdentifier.forUid(uid).getOperatorId()).isEqualTo(operatorId);
    }

    @Test
    void testEqualityBasedOnOperatorId() {
        final String uid = "uid";
        final OperatorID operatorId = OperatorIDGenerator.fromUid(uid);

        assertThat(OperatorIdentifier.forUid(uid))
                .isEqualTo(OperatorIdentifier.forUidHash(operatorId.toHexString()));
    }
}
