common-parameters/src/test/java/org/onap/policy/common/parameters/TestValidationErrors.java


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/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2018 Ericsson. All rights reserved.
 *  Modifications Copyright (C) 2019 AT&T Intellectual Property. 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.common.parameters;

import static org.assertj.core.api.Assertions.assertThatThrownBy;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import org.junit.Test;
import org.onap.policy.common.parameters.testclasses.ParameterGroupMissingGetter;
import org.onap.policy.common.parameters.testclasses.ParameterGroupPrivateGetter;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithArray;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithCollection;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithIllegalMapKey;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithIllegalMapValue;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithNullCollection;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithNullMapValue;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithNullSubGroup;
import org.onap.policy.common.parameters.testclasses.ParameterGroupWithParameterGroupCollection;

public class TestValidationErrors {
    @Test
    public void testBadArrayValidation() {
        ParameterGroupWithArray groupWithArray = new ParameterGroupWithArray("Illegal Array Group");
        assertTrue(groupWithArray.isValid());
    }

    @Test
    public void testCollectionValidation() {
        ParameterGroupWithCollection legalCollection = new ParameterGroupWithCollection("Legal Collection");
        assertTrue(legalCollection.isValid());

        ParameterGroupWithParameterGroupCollection illegalCollection = new ParameterGroupWithParameterGroupCollection(
                        "Illegal Collection");

        assertThatThrownBy(illegalCollection::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("collection parameter \"parameterGroupArrayList\" is illegal,"
                                        + " parameter groups are not allowed as collection members");
    }

    @Test
    public void testNullCollection() {
        ParameterGroupWithNullCollection nullCollection = new ParameterGroupWithNullCollection("Null Collection");

        assertThatThrownBy(nullCollection::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("collection parameter \"nullList\" is null");
    }

    @Test
    public void testMapNullSubGroupValidation() {
        ParameterGroupWithNullSubGroup nullSub = new ParameterGroupWithNullSubGroup("Null sub group value");

        nullSub.isValid();
        assertNull(nullSub.getSubGroup());
    }

    @Test
    public void testMapNullValueValidation() {
        ParameterGroupWithNullMapValue nullMap = new ParameterGroupWithNullMapValue("Null Map value");

        assertThatThrownBy(nullMap::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("map parameter \"nullMap\" is null");
    }

    @Test
    public void testBadMapKeyValidation() {
        ParameterGroupWithIllegalMapKey illegalMap = new ParameterGroupWithIllegalMapKey("Illegal Map");

        assertThatThrownBy(illegalMap::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("map entry is not a parameter group keyed by a string, key \"1\" "
                                        + "in map \"badMap\" is not a string");
    }

    @Test
    public void testBadMapValueValidation() {
        ParameterGroupWithIllegalMapValue illegalMap = new ParameterGroupWithIllegalMapValue("Illegal Map");

        assertThatThrownBy(illegalMap::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("map entry is not a parameter group keyed by a string, value \"1\" in "
                                        + "map \"intMap\" is not a parameter group");
    }

    @Test
    public void testMissingGetter() {
        ParameterGroupMissingGetter badGetterName = new ParameterGroupMissingGetter("BGN");

        assertThatThrownBy(badGetterName::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("could not get getter method for parameter \"value\"");
    }

    @Test
    public void testPrivateGetter() {
        ParameterGroupPrivateGetter privateGetter = new ParameterGroupPrivateGetter("privateGetter");

        assertThatThrownBy(privateGetter::isValid).isInstanceOf(ParameterRuntimeException.class)
                        .hasMessage("could not get getter method for parameter \"value\"");
    }
}