| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.ignite.internal.testframework; |
| |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import org.junit.jupiter.api.extension.AfterAllCallback; |
| import org.junit.jupiter.api.extension.AfterEachCallback; |
| import org.junit.jupiter.api.extension.BeforeAllCallback; |
| import org.junit.jupiter.api.extension.BeforeEachCallback; |
| import org.junit.jupiter.api.extension.ExtendWith; |
| import org.junit.jupiter.api.extension.ExtensionContext; |
| |
| /** |
| * JUnit rule that manages usage of {@link WithSystemProperty} annotations.<br/> |
| * Should be used in {@link ExtendWith}. |
| * |
| * @see WithSystemProperty |
| * @see ExtendWith |
| */ |
| public class SystemPropertiesExtension implements |
| BeforeAllCallback, AfterAllCallback, BeforeEachCallback, AfterEachCallback { |
| /** Class properties. */ |
| @SuppressWarnings("InstanceVariableMayNotBeInitialized") |
| private List<Prop<String, String>> testMethodSysProps; |
| |
| /** Class properties. */ |
| @SuppressWarnings("InstanceVariableMayNotBeInitialized") |
| private List<Prop<String, String>> testClassSysProps; |
| |
| /** {@inheritDoc} */ |
| @Override public void beforeAll(ExtensionContext ctx) { |
| testClassSysProps = extractSystemPropertiesBeforeClass(ctx.getRequiredTestClass()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void afterAll(ExtensionContext context) { |
| clearSystemProperties(testClassSysProps); |
| |
| testClassSysProps = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void beforeEach(ExtensionContext ctx) { |
| testMethodSysProps = extractSystemPropertiesBeforeTestMethod(ctx.getRequiredTestMethod()); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void afterEach(ExtensionContext context) { |
| clearSystemProperties(testMethodSysProps); |
| |
| testMethodSysProps = null; |
| } |
| |
| /** |
| * Set system properties before class. |
| * |
| * @param testCls Current test class. |
| * @return List of updated properties in reversed order. |
| */ |
| private List<Prop<String, String>> extractSystemPropertiesBeforeClass(Class<?> testCls) { |
| List<WithSystemProperty[]> allProps = new ArrayList<>(); |
| |
| for (Class<?> cls = testCls; cls != null; cls = cls.getSuperclass()) { |
| SystemPropertiesList clsProps = cls.getAnnotation(SystemPropertiesList.class); |
| |
| if (clsProps != null) |
| allProps.add(clsProps.value()); |
| else { |
| WithSystemProperty clsProp = cls.getAnnotation(WithSystemProperty.class); |
| |
| if (clsProp != null) |
| allProps.add(new WithSystemProperty[] {clsProp}); |
| } |
| } |
| |
| Collections.reverse(allProps); |
| |
| // List of system properties to set when all tests in class are finished. |
| final List<Prop<String, String>> clsSysProps = new ArrayList<>(); |
| |
| for (WithSystemProperty[] props : allProps) { |
| for (WithSystemProperty prop : props) { |
| String oldVal = System.setProperty(prop.key(), prop.value()); |
| |
| clsSysProps.add(new Prop<>(prop.key(), oldVal)); |
| } |
| } |
| |
| Collections.reverse(clsSysProps); |
| |
| return clsSysProps; |
| } |
| |
| /** |
| * Set system properties before test method. |
| * |
| * @param testMtd Current test method. |
| * @return List of updated properties in reversed order. |
| */ |
| public List<Prop<String, String>> extractSystemPropertiesBeforeTestMethod(Method testMtd) { |
| WithSystemProperty[] allProps = null; |
| |
| SystemPropertiesList testProps = testMtd.getAnnotation(SystemPropertiesList.class); |
| |
| if (testProps != null) |
| allProps = testProps.value(); |
| else { |
| WithSystemProperty testProp = testMtd.getAnnotation(WithSystemProperty.class); |
| |
| if (testProp != null) |
| allProps = new WithSystemProperty[] {testProp}; |
| } |
| |
| // List of system properties to set when test is finished. |
| List<Prop<String, String>> testSysProps = new ArrayList<>(); |
| |
| if (allProps != null) { |
| for (WithSystemProperty prop : allProps) { |
| String oldVal = System.setProperty(prop.key(), prop.value()); |
| |
| testSysProps.add(new Prop<>(prop.key(), oldVal)); |
| } |
| } |
| |
| Collections.reverse(testSysProps); |
| |
| return testSysProps; |
| } |
| |
| /** |
| * Return old values of updated properties. |
| * |
| * @param sysProps List of properties to clear. |
| */ |
| private void clearSystemProperties(List<Prop<String, String>> sysProps) { |
| if (sysProps == null) |
| return; // Nothing to do. |
| |
| for (Prop<String, String> prop : sysProps) { |
| if (prop.value() == null) |
| System.clearProperty(prop.key()); |
| else |
| System.setProperty(prop.key(), prop.value()); |
| } |
| } |
| |
| /** |
| * Property. |
| */ |
| public static class Prop<K, V> { |
| /** Property key. */ |
| private final K key; |
| |
| /** Property value. */ |
| private final V val; |
| |
| /** |
| * @param key Property key. |
| * @param val Property value. |
| */ |
| Prop(K key, V val) { |
| this.key = key; |
| this.val = val; |
| } |
| |
| /** |
| * @return Property key. |
| */ |
| K key() { |
| return key; |
| } |
| |
| /** |
| * @return Property value. |
| */ |
| V value() { |
| return val; |
| } |
| } |
| } |