TestTraceTokenManager.java

/*
 * Copyright 2010 Proofpoint, Inc.
 *
 * 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 io.airlift.tracetoken;

import org.testng.annotations.Test;

import static org.testng.Assert.assertEquals;
import static org.testng.Assert.assertNotEquals;
import static org.testng.Assert.assertNull;

public class TestTraceTokenManager
{
    @Test
    public void testNoToken()
    {
        TraceTokenManager manager = new TraceTokenManager();
        assertNull(manager.getCurrentRequestToken());
    }

    @Test
    public void testCreateToken()
    {
        TraceTokenManager manager = new TraceTokenManager();

        String token = manager.createAndRegisterNewRequestToken();
        assertEquals(manager.getCurrentRequestToken(), token);
        assertEquals(manager.getCurrentRequestToken(), token);

        String token2 = manager.createAndRegisterNewRequestToken();
        assertEquals(manager.getCurrentRequestToken(), token2);
        assertNotEquals(token2, token);
    }

    @Test
    public void testRegisterCustomToken()
    {
        TraceTokenManager manager = new TraceTokenManager();
        manager.registerRequestToken("abc");

        assertEquals(manager.getCurrentRequestToken(), "abc");
    }

    @Test
    public void testOverrideRequestToken()
    {
        TraceTokenManager manager = new TraceTokenManager();
        String oldToken = manager.createAndRegisterNewRequestToken();

        assertEquals(manager.getCurrentRequestToken(), oldToken);

        manager.registerRequestToken("abc");
        assertEquals(manager.getCurrentRequestToken(), "abc");
    }
}