| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * Licensed 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.onosproject.codec.impl; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.ImmutableList; |
| import org.apache.commons.lang3.StringUtils; |
| import org.hamcrest.Description; |
| import org.hamcrest.TypeSafeDiagnosingMatcher; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.cluster.NodeId; |
| import org.onosproject.cluster.RoleInfo; |
| import org.onosproject.codec.JsonCodec; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.List; |
| |
| import static org.hamcrest.MatcherAssert.assertThat; |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.notNullValue; |
| |
| /** |
| * Unit tests for role info codec. |
| */ |
| public final class RoleInfoCodecTest { |
| |
| MockCodecContext context; |
| JsonCodec<RoleInfo> roleInfoCodec; |
| |
| @Before |
| public void setUp() { |
| context = new MockCodecContext(); |
| roleInfoCodec = context.codec(RoleInfo.class); |
| assertThat(roleInfoCodec, notNullValue()); |
| } |
| |
| /** |
| * Tests encoding of a role info object. |
| */ |
| @Test |
| public void testRoleInfoEncode() { |
| NodeId masterNodeId = NodeId.nodeId("1"); |
| NodeId backupNodeId1 = NodeId.nodeId("1"); |
| NodeId backupNodeId2 = NodeId.nodeId("2"); |
| NodeId backupNodeId3 = NodeId.nodeId("3"); |
| List<NodeId> backupNodeIds = |
| ImmutableList.of(backupNodeId1, backupNodeId2, backupNodeId3); |
| |
| RoleInfo roleInfo = new RoleInfo(masterNodeId, backupNodeIds); |
| ObjectNode roleInfoJson = roleInfoCodec.encode(roleInfo, context); |
| assertThat(roleInfoJson, RoleInfoJsonMatcher.matchesRoleInfo(roleInfo)); |
| } |
| |
| /** |
| * Tests decoding of a role info JSON object. |
| */ |
| @Test |
| public void testRoleInfoDecode() throws IOException { |
| RoleInfo roleInfo = getRoleInfo("RoleInfo.json"); |
| |
| assertThat(roleInfo.backups().size(), is(3)); |
| |
| assertThat(roleInfo.master().id(), is("1")); |
| |
| List<NodeId> backups = roleInfo.backups(); |
| assertThat(backups.contains(NodeId.nodeId("2")), is(true)); |
| assertThat(backups.contains(NodeId.nodeId("3")), is(true)); |
| assertThat(backups.contains(NodeId.nodeId("4")), is(true)); |
| } |
| |
| /** |
| * Hamcrest matcher for role info. |
| */ |
| private static final class RoleInfoJsonMatcher extends TypeSafeDiagnosingMatcher<JsonNode> { |
| |
| private final RoleInfo roleInfo; |
| |
| private RoleInfoJsonMatcher(RoleInfo roleInfo) { |
| this.roleInfo = roleInfo; |
| } |
| |
| @Override |
| protected boolean matchesSafely(JsonNode jsonNode, Description description) { |
| |
| // check master node identifier |
| String jsonNodeId = jsonNode.get("master") != null ? jsonNode.get("master").asText() : null; |
| String nodeId = roleInfo.master().id(); |
| if (!StringUtils.equals(jsonNodeId, nodeId)) { |
| description.appendText("master's node id was " + jsonNodeId); |
| return false; |
| } |
| |
| // check backup nodes size |
| JsonNode jsonBackupNodeIds = jsonNode.get("backups"); |
| if (jsonBackupNodeIds.size() != roleInfo.backups().size()) { |
| description.appendText("backup nodes size was " + jsonBackupNodeIds.size()); |
| return false; |
| } |
| |
| |
| // check backup nodes' identifier |
| for (NodeId backupNodeId : roleInfo.backups()) { |
| boolean backupFound = false; |
| for (int idx = 0; idx < jsonBackupNodeIds.size(); idx++) { |
| if (backupNodeId.id().equals(jsonBackupNodeIds.get(idx).asText())) { |
| backupFound = true; |
| break; |
| } |
| } |
| if (!backupFound) { |
| description.appendText("backup not found " + backupNodeId.id()); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText(roleInfo.toString()); |
| } |
| |
| /** |
| * Factory to allocate a role info. |
| * |
| * @param roleInfo role info object we are looking for |
| * @return matcher |
| */ |
| static RoleInfoJsonMatcher matchesRoleInfo(RoleInfo roleInfo) { |
| return new RoleInfoJsonMatcher(roleInfo); |
| } |
| } |
| |
| /** |
| * Reads in a role info from the given resource and decodes it. |
| * |
| * @param resourceName resource to use to read the JSON for the rule |
| * @return decoded roleInfo |
| * @throws IOException if processing the resource fails |
| */ |
| private RoleInfo getRoleInfo(String resourceName) throws IOException { |
| InputStream jsonStream = RoleInfoCodecTest.class.getResourceAsStream(resourceName); |
| JsonNode json = context.mapper().readTree(jsonStream); |
| assertThat(json, notNullValue()); |
| RoleInfo roleInfo = roleInfoCodec.decode((ObjectNode) json, context); |
| assertThat(roleInfo, notNullValue()); |
| return roleInfo; |
| } |
| } |