package org.apache.lucene.util.junitcompat;
/*
* 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.
*/
import java.util.Properties;
import org.junit.*;
import org.junit.rules.TestRule;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import com.carrotsearch.randomizedtesting.rules.SystemPropertiesInvariantRule;
import com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule;
/**
* @see SystemPropertiesRestoreRule
* @see SystemPropertiesInvariantRule
*/
public class TestSystemPropertiesInvariantRule extends WithNestedTests {
public static final String PROP_KEY1 = "new-property-1";
public static final String VALUE1 = "new-value-1";
public TestSystemPropertiesInvariantRule() {
super(true);
}
public static class Base extends WithNestedTests.AbstractNestedTest {
public void testEmpty() {}
}
public static class InBeforeClass extends Base {
@BeforeClass
public static void beforeClass() {
System.setProperty(PROP_KEY1, VALUE1);
}
}
public static class InAfterClass extends Base {
@AfterClass
public static void afterClass() {
System.setProperty(PROP_KEY1, VALUE1);
}
}
public static class InTestMethod extends Base {
public void testMethod1() {
if (System.getProperty(PROP_KEY1) != null) {
throw new RuntimeException("Shouldn't be here.");
}
System.setProperty(PROP_KEY1, VALUE1);
}
public void testMethod2() {
testMethod1();
}
}
public static class NonStringProperties extends Base {
public void testMethod1() {
if (System.getProperties().get(PROP_KEY1) != null) {
throw new RuntimeException("Will pass.");
}
Properties properties = System.getProperties();
properties.put(PROP_KEY1, new Object());
Assert.assertTrue(System.getProperties().get(PROP_KEY1) != null);
}
public void testMethod2() {
testMethod1();
}
@AfterClass
public static void cleanup() {
System.getProperties().remove(PROP_KEY1);
}
}
public static class IgnoredProperty {
@Rule
public TestRule invariant = new SystemPropertiesInvariantRule(PROP_KEY1);
@Test
public void testMethod1() {
System.setProperty(PROP_KEY1, VALUE1);
}
}
@Before
@After
public void cleanup() {
System.clearProperty(PROP_KEY1);
}
@Test
public void testRuleInvariantBeforeClass() {
Result runClasses = JUnitCore.runClasses(InBeforeClass.class);
Assert.assertEquals(1, runClasses.getFailureCount());
Assert.assertTrue(runClasses.getFailures().get(0).getMessage()
.contains(PROP_KEY1));
Assert.assertNull(System.getProperty(PROP_KEY1));
}
@Test
public void testRuleInvariantAfterClass() {
Result runClasses = JUnitCore.runClasses(InAfterClass.class);
Assert.assertEquals(1, runClasses.getFailureCount());
Assert.assertTrue(runClasses.getFailures().get(0).getMessage()
.contains(PROP_KEY1));
Assert.assertNull(System.getProperty(PROP_KEY1));
}
@Test
public void testRuleInvariantInTestMethod() {
Result runClasses = JUnitCore.runClasses(InTestMethod.class);
Assert.assertEquals(2, runClasses.getFailureCount());
for (Failure f : runClasses.getFailures()) {
Assert.assertTrue(f.getMessage().contains(PROP_KEY1));
}
Assert.assertNull(System.getProperty(PROP_KEY1));
}
@Test
public void testNonStringProperties() {
Result runClasses = JUnitCore.runClasses(NonStringProperties.class);
Assert.assertEquals(1, runClasses.getFailureCount());
Assert.assertTrue(runClasses.getFailures().get(0).getMessage().contains("Will pass"));
Assert.assertEquals(3, runClasses.getRunCount());
}
@Test
public void testIgnoredProperty() {
System.clearProperty(PROP_KEY1);
try {
Result runClasses = JUnitCore.runClasses(IgnoredProperty.class);
Assert.assertEquals(0, runClasses.getFailureCount());
Assert.assertEquals(VALUE1, System.getProperty(PROP_KEY1));
} finally {
System.clearProperty(PROP_KEY1);
}
}
}