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path: root/controlloop/common/rules-test/src/main/java/org/onap/policy/controlloop/common/rules/test/NamedRunner.java
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/*-
 * ============LICENSE_START=======================================================
 * ONAP
 * ================================================================================
 * Copyright (C) 2020-2021 AT&T Intellectual Property. All rights reserved.
 * Modifications Copyright (C) 2023 Nordix Foundation.
 * ================================================================================
 * 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.policy.controlloop.common.rules.test;

import org.junit.jupiter.api.extension.ConditionEvaluationResult;
import org.junit.jupiter.api.extension.ExecutionCondition;
import org.junit.jupiter.api.extension.ExtensionContext;

/**
 * Runs tests listed via the {@link TestNames} annotation.
 */
public class NamedRunner implements ExecutionCondition {

    @Override
    public ConditionEvaluationResult evaluateExecutionCondition(ExtensionContext extensionContext) {
        var testClass = extensionContext.getTestClass();
        if (testClass.isEmpty()) {
            return ConditionEvaluationResult.enabled("Empty");
        }
        var method = extensionContext.getDisplayName().replace("()", "");
        if (testClass.get().getSimpleName().equals(method)) {
            return ConditionEvaluationResult.enabled("Class");
        }
        if (isNamed(testClass.get(), method)) {
            return ConditionEvaluationResult.enabled("OK");
        } else {
            return ConditionEvaluationResult.disabled("Disabled");
        }
    }

    /**
     * Determines if the test is in the list of tests to be included.
     *
     * @param testClass class under test
     * @param testName name of the test of interest
     * @return {@code true} if the test is in the list, {@code false} otherwise
     */
    private boolean isNamed(Class<?> testClass, String testName) {
        var annot = testClass.getAnnotation(TestNames.class);
        if (annot == null) {
            // no annotation - everything passes
            return true;
        }

        for (String name : annot.names()) {
            if (testName.equals(name)) {
                return true;
            }
        }

        for (String prefix : annot.prefixes()) {
            if (testName.startsWith(prefix)) {
                return true;
            }
        }

        return false;
    }
}