/*
 * Copyright 2015-2023 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 v2.0 which
 * accompanies this distribution and is available at
 *
 * https://www.eclipse.org/legal/epl-v20.html
 */

package org.junit.jupiter.api.condition;

import static org.apiguardian.api.API.Status.STABLE;

import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

import org.apiguardian.api.API;
import org.junit.jupiter.api.extension.ExtendWith;

/**
 * {@code @DisabledIf} is used to signal that the annotated test class or test
 * method is <em>disabled</em> only if the provided
 * {@linkplain #value() condition} evaluates to {@code true}.
 *
 * <p>When applied at the class level, all test methods within that class will
 * be disabled on the same condition.
 *
 * <p>If a test method is disabled via this annotation, that does not prevent
 * the test class from being instantiated. Rather, it prevents the execution of
 * the test method and method-level lifecycle callbacks such as {@code @BeforeEach}
 * methods, {@code @AfterEach} methods, and corresponding extension APIs.
 *
 * <p>This annotation may be used as a meta-annotation in order to create a
 * custom <em>composed annotation</em> that inherits the semantics of this
 * annotation.
 *
 * <h2>Warning</h2>
 *
 * This annotation can only be declared once on an
 * {@link java.lang.reflect.AnnotatedElement AnnotatedElement} (i.e., test
 * interface, test class, or test method). If this annotation is directly
 * present, indirectly present, or meta-present multiple times on a given
 * element, only the first such annotation discovered by JUnit will be used;
 * any additional declarations will be silently ignored. Note, however, that
 * this annotation may be used in conjunction with other {@code @Enabled*} or
 * {@code @Disabled*} annotations in this package.
 *
 * @since 5.7
 * @see org.junit.jupiter.api.condition.EnabledIf
 * @see org.junit.jupiter.api.condition.EnabledOnOs
 * @see org.junit.jupiter.api.condition.DisabledOnOs
 * @see org.junit.jupiter.api.condition.EnabledOnJre
 * @see org.junit.jupiter.api.condition.DisabledOnJre
 * @see org.junit.jupiter.api.condition.EnabledForJreRange
 * @see org.junit.jupiter.api.condition.DisabledForJreRange
 * @see org.junit.jupiter.api.condition.EnabledInNativeImage
 * @see org.junit.jupiter.api.condition.DisabledInNativeImage
 * @see org.junit.jupiter.api.condition.EnabledIfSystemProperty
 * @see org.junit.jupiter.api.condition.DisabledIfSystemProperty
 * @see org.junit.jupiter.api.condition.EnabledIfEnvironmentVariable
 * @see org.junit.jupiter.api.condition.DisabledIfEnvironmentVariable
 * @see org.junit.jupiter.api.Disabled
 */
@Target({ ElementType.TYPE, ElementType.METHOD })
@Retention(RetentionPolicy.RUNTIME)
@Documented
@ExtendWith(DisabledIfCondition.class)
@API(status = STABLE, since = "5.7")
public @interface DisabledIf {

	/**
	 * The name of a method within the test class or in an external class to use
	 * as a condition for the test's or container's execution.
	 *
	 * <p>Condition methods must be static if located outside the test class or
	 * if {@code @DisabledIf} is used at the class level.
	 *
	 * <p>A condition method in an external class must be referenced by its
	 * <em>fully qualified method name</em> &mdash; for example,
	 * {@code com.example.Conditions#isEncryptionSupported}.
	 */
	String value();

	/**
	 * Custom reason to provide if the test or container is disabled.
	 *
	 * <p>If a custom reason is supplied, it will be combined with the default
	 * reason for this annotation. If a custom reason is not supplied, the default
	 * reason will be used.
	 */
	String disabledReason() default "";

}
