/**
 * ============LICENSE_START=======================================================
 * org.onap.logging
 * ================================================================================
 * Copyright © 2018 Amdocs
 * All rights reserved.
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */

package org.onap.logging.ref.slf4j.common;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;

import org.testng.Assert;
import org.testng.annotations.Test;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
import static org.hamcrest.core.IsInstanceOf.instanceOf;

/**
 * Tests for {@link ONAPLogConstants}.
 */
public class ONAPLogConstantsTest {

    @Test
    public void testConstructor() throws Exception {
        try {
            ONAPLogConstants.class.getDeclaredConstructors()[0].newInstance();
            Assert.fail("Should fail for hidden constructor.");
        }
        catch (final IllegalAccessException e) {

        }
    }

    @Test
    public void testConstructorUnsupported() throws Exception {
        try {
            Constructor<?> c = ONAPLogConstants.class.getDeclaredConstructors()[0];
            c.setAccessible(true);
            c.newInstance();
            Assert.fail("Should fail for hidden constructor.");
        }
        catch (final InvocationTargetException e) {
            assertThat(e.getCause(), instanceOf(UnsupportedOperationException.class));
        }
    }

    @Test
    public void testHeaders() {
        assertThat(ONAPLogConstants.Headers.REQUEST_ID.toString(), is("X-ONAP-RequestID"));
        assertThat(ONAPLogConstants.Headers.INVOCATION_ID.toString(), is("X-ONAP-InvocationID"));
        assertThat(ONAPLogConstants.Headers.PARTNER_NAME.toString(), is("X-ONAP-PartnerName"));
    }

    @Test
    public void testMarkers() {
        assertThat(ONAPLogConstants.Markers.ENTRY.toString(), is("ENTRY"));
        assertThat(ONAPLogConstants.Markers.EXIT.toString(), is("EXIT"));
        assertThat(ONAPLogConstants.Markers.INVOKE.toString(), is("INVOKE"));
        assertThat(ONAPLogConstants.Markers.INVOKE_ASYNCHRONOUS.toString(), is("INVOKE [ ASYNCHRONOUS ]"));
        assertThat(ONAPLogConstants.Markers.INVOKE_SYNCHRONOUS.toString(), is("INVOKE [ SYNCHRONOUS ]"));
    }

    @Test
    public void testInvocationMode() {
        assertThat(ONAPLogConstants.InvocationMode.SYNCHRONOUS.getMarker(),
                is(ONAPLogConstants.Markers.INVOKE_SYNCHRONOUS));
        assertThat(ONAPLogConstants.InvocationMode.ASYNCHRONOUS.getMarker(),
                is(ONAPLogConstants.Markers.INVOKE_ASYNCHRONOUS));
    }
}