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/*
 * Copyright 2018 the original author or authors.
 *
 * 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 jmms.testing;

import jmms.core.model.MetaTestStep;

public interface TestStep {
    TestAssertion[] EMPTY_ASSERTS = new TestAssertion[0];

    /**
     * Returns the {@link MetaTestStep}.
     */
    MetaTestStep getMeta();

    /**
     * Returns the {@link TestAction} if exists.
     */
    default TestAction getAction() {
        return null;
    }

    /**
     * Returns the array of {@link TestAssertion} if exists.
     */
    default TestAssertion[] getAsserts() {
        return EMPTY_ASSERTS;
    }

    /**
     * Run the step and returns the {@link TestResult} of this step.
     */
    StepResult runTestStep(TestContext context, TestListener listener) throws Throwable;

}