| /* |
| * 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.cassandra.db.virtual; |
| |
| import java.lang.reflect.Field; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.stream.Collectors; |
| import java.util.stream.Stream; |
| |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import com.datastax.driver.core.ResultSet; |
| import com.datastax.driver.core.Row; |
| import org.apache.cassandra.cql3.CQLTester; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Maps; |
| |
| public class SystemPropertiesTableTest extends CQLTester |
| { |
| private static final String KS_NAME = "vts"; |
| private static final Map<String, String> ORIGINAL_ENV_MAP = System.getenv(); |
| private static final String TEST_PROP = "org.apache.cassandra.db.virtual.SystemPropertiesTableTest"; |
| |
| private SystemPropertiesTable table; |
| |
| @BeforeClass |
| public static void setUpClass() |
| { |
| CQLTester.setUpClass(); |
| } |
| |
| @Before |
| public void config() |
| { |
| table = new SystemPropertiesTable(KS_NAME); |
| VirtualKeyspaceRegistry.instance.register(new VirtualKeyspace(KS_NAME, ImmutableList.of(table))); |
| disablePreparedReuseForTest(); |
| } |
| |
| @Test |
| public void testSelectAll() throws Throwable |
| { |
| ResultSet result = executeNet("SELECT * FROM vts.system_properties"); |
| |
| for (Row r : result) |
| Assert.assertEquals(System.getProperty(r.getString("name"), System.getenv(r.getString("name"))), r.getString("value")); |
| } |
| |
| @Test |
| public void testSelectPartition() throws Throwable |
| { |
| List<String> properties = Stream.concat(System.getProperties().stringPropertyNames().stream(), |
| System.getenv().keySet().stream()) |
| .filter(name -> SystemPropertiesTable.isCassandraRelevant(name)) |
| .collect(Collectors.toList()); |
| |
| for (String property : properties) |
| { |
| String q = "SELECT * FROM vts.system_properties WHERE name = '" + property + '\''; |
| assertRowsNet(executeNet(q), new Object[] {property, System.getProperty(property, System.getenv(property))}); |
| } |
| } |
| |
| @Test |
| public void testSelectEmpty() throws Throwable |
| { |
| String q = "SELECT * FROM vts.system_properties WHERE name = 'EMPTY'"; |
| assertRowsNet(executeNet(q)); |
| } |
| |
| @Test |
| public void testSelectProperty() throws Throwable |
| { |
| try |
| { |
| String value = "test_value"; |
| System.setProperty(TEST_PROP, value); |
| String q = String.format("SELECT * FROM vts.system_properties WHERE name = '%s'", TEST_PROP); |
| assertRowsNet(executeNet(q), new Object[] {TEST_PROP, value}); |
| } |
| finally |
| { |
| System.clearProperty(TEST_PROP); |
| } |
| } |
| |
| @Test |
| public void testSelectEnv() throws Throwable |
| { |
| try |
| { |
| String value = "test_value"; |
| addEnv(TEST_PROP, value); |
| String q = String.format("SELECT * FROM vts.system_properties WHERE name = '%s'", TEST_PROP); |
| assertRowsNet(executeNet(q), new Object[] {TEST_PROP, value}); |
| } |
| finally |
| { |
| resetEnv(); |
| } |
| } |
| |
| @Test |
| public void testSelectPropertyOverEnv() throws Throwable |
| { |
| try |
| { |
| String value = "test_value"; |
| System.setProperty(TEST_PROP, value); |
| addEnv(TEST_PROP, "wrong_value"); |
| String q = String.format("SELECT * FROM vts.system_properties WHERE name = '%s'", TEST_PROP); |
| assertRowsNet(executeNet(q), new Object[] {TEST_PROP, value}); |
| } |
| finally |
| { |
| System.clearProperty(TEST_PROP); |
| resetEnv(); |
| } |
| } |
| |
| private static void addEnv(String env, String value) throws ReflectiveOperationException |
| { |
| Map<String, String> envMap = Maps.newConcurrentMap(); |
| envMap.putAll(System.getenv()); |
| envMap.put(env, value); |
| setEnv(envMap); |
| } |
| |
| private static void resetEnv() throws ReflectiveOperationException |
| { |
| setEnv(ORIGINAL_ENV_MAP); |
| } |
| |
| private static void setEnv(Map<String, String> newenv) throws ReflectiveOperationException |
| { |
| try |
| { |
| Class<?> cls = Class.forName("java.lang.ProcessEnvironment"); |
| Field field = cls.getDeclaredField("theEnvironment"); |
| field.setAccessible(true); |
| Map<String, String> envMap = (Map<String, String>) field.get(null); |
| envMap.clear(); |
| envMap.putAll(newenv); |
| field = cls.getDeclaredField("theCaseInsensitiveEnvironment"); |
| field.setAccessible(true); |
| envMap = (Map<String, String>) field.get(null); |
| envMap.clear(); |
| envMap.putAll(newenv); |
| } |
| catch (NoSuchFieldException ignore) |
| { |
| Class[] classes = Collections.class.getDeclaredClasses(); |
| Map<String, String> envMap = System.getenv(); |
| for(Class cl : classes) { |
| if("java.util.Collections$UnmodifiableMap".equals(cl.getName())) |
| { |
| Field field = cl.getDeclaredField("m"); |
| field.setAccessible(true); |
| Object obj = field.get(envMap); |
| envMap = (Map<String, String>) obj; |
| envMap.clear(); |
| envMap.putAll(newenv); |
| } |
| } |
| } |
| } |
| } |