/*
* Copyright 2015-2017 the original author or authors.
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution and is available at
*
* http://www.eclipse.org/legal/epl-v10.html
*/
package org.junit.jupiter.api.extension;
import static org.junit.platform.commons.meta.API.Usage.Experimental;
import org.junit.platform.commons.meta.API;
/**
* {@code BeforeEachCallback} defines the API for {@link Extension Extensions}
* that wish to provide additional behavior to tests before each test is invoked.
*
* <p>In this context, the term <em>test</em> refers to the actual test method
* plus any user defined setup methods (e.g.,
* {@link org.junit.jupiter.api.BeforeEach @BeforeEach} methods).
*
* <p>Concrete implementations often implement {@link AfterEachCallback} as well.
*
* <p>Implementations must provide a no-args constructor.
*
* @since 5.0
* @see org.junit.jupiter.api.BeforeEach
* @see AfterEachCallback
* @see BeforeTestExecutionCallback
* @see AfterTestExecutionCallback
* @see BeforeAllCallback
* @see AfterAllCallback
*/
@FunctionalInterface
@API(Experimental)
public interface BeforeEachCallback extends Extension {
/**
* Callback that is invoked <em>before</em> each test is invoked.
*
* @param context the current extension context; never {@code null}
*/
void beforeEach(TestExtensionContext context) throws Exception;
}