modules/core/src/test/java/org/apache/ignite/internal/GridGetOrStartSelfTest.java

/*
 * 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.ignite.internal;

import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteException;
import org.apache.ignite.Ignition;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.testframework.junits.common.GridCommonTest;
import org.junit.Test;

/**
 * The GirdGetOrStartSelfTest tests get or start semantics. See IGNITE-2941
 */

@GridCommonTest(group = "Kernal Self")
public class GridGetOrStartSelfTest extends GridCommonAbstractTest {
    /**
     * Default constructor.
     */
    public GridGetOrStartSelfTest() {
        super(false);
    }

    /**
     * Tests default Ignite instance
     */
    @Test
    public void testDefaultIgniteInstanceGetOrStart() throws Exception {
        IgniteConfiguration cfg = getConfiguration(null);
        try (Ignite ignite = Ignition.getOrStart(cfg)) {
            try {
                Ignition.start(cfg);
                fail("Expected exception after grid started");
            }
            catch (IgniteException ignored) {
            }
            Ignite ignite2 = Ignition.getOrStart(cfg);
            assertEquals("Must return same instance", ignite, ignite2);
        }
    }

    /**
     * Tests named Ignite instance
     */
    @Test
    public void testNamedIgniteInstanceGetOrStart() throws Exception {
        IgniteConfiguration cfg = getConfiguration("test");
        try (Ignite ignite = Ignition.getOrStart(cfg)) {
            try {
                Ignition.start(cfg);
                fail("Expected exception after grid started");
            }
            catch (IgniteException ignored) {
            }
            Ignite ignite2 = Ignition.getOrStart(cfg);
            assertEquals("Must return same instance", ignite, ignite2);
        }
    }
}