| /** |
| * 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.curator.framework.schema; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.dataformat.yaml.YAMLFactory; |
| import com.google.common.base.Charsets; |
| import com.google.common.collect.Maps; |
| import com.google.common.io.Resources; |
| import org.apache.curator.framework.CuratorFramework; |
| import org.apache.curator.framework.CuratorFrameworkFactory; |
| import org.apache.curator.framework.api.transaction.CuratorOp; |
| import org.apache.curator.retry.RetryOneTime; |
| import org.apache.curator.test.BaseClassForTests; |
| import org.apache.curator.utils.CloseableUtils; |
| import org.apache.zookeeper.CreateMode; |
| import org.apache.zookeeper.data.ACL; |
| import org.testng.Assert; |
| import org.testng.annotations.Test; |
| import java.io.IOException; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class TestSchema extends BaseClassForTests |
| { |
| @Test |
| public void testBasics() throws Exception |
| { |
| SchemaSet schemaSet = loadSchemaSet("schema1.json", null); |
| Schema schema = schemaSet.getNamedSchema("test"); |
| Assert.assertNotNull(schema); |
| Map<String, String> expectedMetadata = Maps.newHashMap(); |
| expectedMetadata.put("one", "1"); |
| expectedMetadata.put("two", "2"); |
| Assert.assertEquals(schema.getMetadata(), expectedMetadata); |
| |
| CuratorFramework client = newClient(schemaSet); |
| try |
| { |
| client.start(); |
| |
| try |
| { |
| String rawPath = schema.getRawPath(); |
| Assert.assertEquals(rawPath, "/a/b/c"); |
| client.create().creatingParentsIfNeeded().forPath(rawPath); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL).forPath("/a/b/c"); |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| |
| @Test |
| public void testSchemaValidator() throws Exception |
| { |
| final SchemaValidator schemaValidator = new SchemaValidator() |
| { |
| @Override |
| public boolean isValid(Schema schema, String path, byte[] data, List<ACL> acl) |
| { |
| return data.length > 0; |
| } |
| }; |
| SchemaSetLoader.SchemaValidatorMapper schemaValidatorMapper = new SchemaSetLoader.SchemaValidatorMapper() |
| { |
| @Override |
| public SchemaValidator getSchemaValidator(String name) |
| { |
| return schemaValidator; |
| } |
| }; |
| SchemaSet schemaSet = loadSchemaSet("schema3.json", schemaValidatorMapper); |
| CuratorFramework client = newClient(schemaSet); |
| try |
| { |
| client.start(); |
| |
| try |
| { |
| client.create().forPath("/test", new byte[0]); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| client.create().forPath("/test", "good".getBytes()); |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| |
| @Test |
| public void testMulti() throws Exception |
| { |
| SchemaSet schemaSet = loadSchemaSet("schema2.json", null); |
| CuratorFramework client = newClient(schemaSet); |
| try |
| { |
| client.start(); |
| |
| try |
| { |
| client.create().creatingParentsIfNeeded().forPath("/a/b/c"); |
| Assert.fail("Should've violated schema: test"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| try |
| { |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL).forPath("/a/b/c/d/e"); |
| Assert.fail("Should've violated schema: test2"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| |
| @Test |
| public void testTransaction() throws Exception |
| { |
| final SchemaValidator schemaValidator = new SchemaValidator() |
| { |
| @Override |
| public boolean isValid(Schema schema, String path, byte[] data, List<ACL> acl) |
| { |
| return data.length > 0; |
| } |
| }; |
| SchemaSetLoader.SchemaValidatorMapper schemaValidatorMapper = new SchemaSetLoader.SchemaValidatorMapper() |
| { |
| @Override |
| public SchemaValidator getSchemaValidator(String name) |
| { |
| return schemaValidator; |
| } |
| }; |
| SchemaSet schemaSet = loadSchemaSet("schema4.json", schemaValidatorMapper); |
| CuratorFramework client = newClient(schemaSet); |
| try |
| { |
| client.start(); |
| |
| CuratorOp createAPersistent = client.transactionOp().create().forPath("/a"); |
| CuratorOp createAEphemeral = client.transactionOp().create().withMode(CreateMode.EPHEMERAL).forPath("/a"); |
| CuratorOp deleteA = client.transactionOp().delete().forPath("/a"); |
| CuratorOp createBEmptyData = client.transactionOp().create().forPath("/b", new byte[0]); |
| CuratorOp createBWithData = client.transactionOp().create().forPath("/b", new byte[10]); |
| CuratorOp setBEmptyData = client.transactionOp().setData().forPath("/b", new byte[0]); |
| CuratorOp setBWithData = client.transactionOp().setData().forPath("/b", new byte[10]); |
| |
| try |
| { |
| client.transaction().forOperations(createAPersistent, createAEphemeral); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| client.transaction().forOperations(createAEphemeral); |
| |
| try |
| { |
| client.transaction().forOperations(deleteA); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| try |
| { |
| client.transaction().forOperations(createBEmptyData); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| client.transaction().forOperations(createBWithData); |
| |
| try |
| { |
| client.transaction().forOperations(setBEmptyData); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| client.transaction().forOperations(setBWithData); |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| |
| @Test |
| public void testYaml() throws Exception |
| { |
| String yaml = Resources.toString(Resources.getResource("schema.yaml"), Charsets.UTF_8); |
| JsonNode root = new ObjectMapper(new YAMLFactory()).readTree(yaml); |
| List<Schema> schemas = new SchemaSetLoader(root, null).getSchemas(); |
| Assert.assertEquals(schemas.size(), 2); |
| Assert.assertEquals(schemas.get(0).getName(), "test"); |
| Assert.assertEquals(schemas.get(0).getMetadata().size(), 0); |
| Assert.assertEquals(schemas.get(1).getName(), "test2"); |
| Assert.assertEquals(schemas.get(1).getMetadata().size(), 2); |
| Assert.assertEquals(schemas.get(1).getMetadata().get("two"), "2"); |
| } |
| |
| @Test |
| public void testOrdering() throws Exception |
| { |
| SchemaSet schemaSet = loadSchemaSet("schema5.json", null); |
| CuratorFramework client = newClient(schemaSet); |
| try |
| { |
| client.start(); |
| |
| try |
| { |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL).forPath("/exact/match"); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| try |
| { |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/exact/foo/bar"); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| try |
| { |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/exact/other/bar"); |
| Assert.fail("Should've violated schema"); |
| } |
| catch ( SchemaViolation dummy ) |
| { |
| // expected |
| } |
| |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.PERSISTENT_SEQUENTIAL).forPath("/exact/match"); // schema "1" |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL_SEQUENTIAL).forPath("/exact/other/thing"); // schema "2" |
| client.create().creatingParentsIfNeeded().withMode(CreateMode.EPHEMERAL).forPath("/exact/foo/bar"); // schema "3" |
| } |
| finally |
| { |
| CloseableUtils.closeQuietly(client); |
| } |
| } |
| |
| private CuratorFramework newClient(SchemaSet schemaSet) |
| { |
| return CuratorFrameworkFactory.builder() |
| .connectString(server.getConnectString()) |
| .retryPolicy(new RetryOneTime(1)) |
| .schemaSet(schemaSet) |
| .build(); |
| } |
| |
| private SchemaSet loadSchemaSet(String name, SchemaSetLoader.SchemaValidatorMapper schemaValidatorMapper) throws IOException |
| { |
| String json = Resources.toString(Resources.getResource(name), Charsets.UTF_8); |
| return new SchemaSetLoader(json, schemaValidatorMapper).toSchemaSet(true); |
| } |
| } |