| /* |
| * 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.calcite.avatica.test; |
| |
| import org.apache.calcite.avatica.AvaticaParameter; |
| import org.apache.calcite.avatica.ColumnMetaData; |
| import org.apache.calcite.avatica.Meta; |
| import org.apache.calcite.avatica.Meta.CursorFactory; |
| import org.apache.calcite.avatica.metrics.noop.NoopMetricsSystem; |
| import org.apache.calcite.avatica.remote.JsonHandler; |
| import org.apache.calcite.avatica.remote.JsonService; |
| import org.apache.calcite.avatica.remote.LocalJsonService; |
| import org.apache.calcite.avatica.remote.Service; |
| import org.apache.calcite.avatica.remote.TypedValue; |
| |
| import org.junit.Test; |
| |
| import java.math.BigDecimal; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Random; |
| import java.util.UUID; |
| |
| import static org.hamcrest.CoreMatchers.is; |
| import static org.junit.Assert.assertThat; |
| |
| /** |
| * Tests JSON encoding/decoding in the remote service. |
| */ |
| public class JsonHandlerTest { |
| |
| private static final Random RANDOM = new Random(); |
| |
| /** |
| * Implementation of {@link org.apache.calcite.avatica.remote.Service} |
| * that does nothing. |
| */ |
| public static class NoopService implements Service { |
| @Override public ResultSetResponse apply(CatalogsRequest request) { |
| return null; |
| } |
| |
| @Override public ResultSetResponse apply(SchemasRequest request) { |
| return null; |
| } |
| |
| @Override public ResultSetResponse apply(TablesRequest request) { |
| return null; |
| } |
| |
| @Override public ResultSetResponse apply(TableTypesRequest request) { |
| return null; |
| } |
| |
| @Override public ResultSetResponse apply(TypeInfoRequest request) { |
| return null; |
| } |
| |
| @Override public ResultSetResponse apply(ColumnsRequest request) { |
| return null; |
| } |
| |
| @Override public PrepareResponse apply(PrepareRequest request) { |
| return null; |
| } |
| |
| @Override public ExecuteResponse apply(PrepareAndExecuteRequest request) { |
| return null; |
| } |
| |
| @Override public FetchResponse apply(FetchRequest request) { |
| return null; |
| } |
| |
| @Override public CreateStatementResponse apply(CreateStatementRequest request) { |
| return null; |
| } |
| |
| @Override public CloseStatementResponse apply(CloseStatementRequest request) { |
| return null; |
| } |
| |
| @Override public OpenConnectionResponse apply(OpenConnectionRequest request) { |
| return null; |
| } |
| |
| @Override public CloseConnectionResponse apply(CloseConnectionRequest request) { |
| return null; |
| } |
| |
| @Override public ConnectionSyncResponse apply(ConnectionSyncRequest request) { |
| return null; |
| } |
| |
| @Override public DatabasePropertyResponse apply(DatabasePropertyRequest request) { |
| return null; |
| } |
| |
| @Override public SyncResultsResponse apply(SyncResultsRequest request) { |
| return null; |
| } |
| |
| @Override public ExecuteResponse apply(ExecuteRequest request) { |
| return null; |
| } |
| |
| @Override public void setRpcMetadata(RpcMetadataResponse metadata) {} |
| |
| @Override public CommitResponse apply(CommitRequest request) { |
| return null; |
| } |
| |
| @Override public RollbackResponse apply(RollbackRequest request) { |
| return null; |
| } |
| |
| @Override public ExecuteBatchResponse apply(ExecuteBatchRequest request) { |
| return null; |
| } |
| |
| @Override public ExecuteBatchResponse apply(PrepareAndExecuteBatchRequest request) { |
| return null; |
| } |
| } |
| |
| /** |
| * Instrumented subclass of {@link org.apache.calcite.avatica.test.JsonHandlerTest.NoopService} |
| * that checks the parameter values passed to the "execute" request. |
| * |
| * <p>Note: parameter values for "fetch" request deprecated. |
| */ |
| public static class ParameterValuesCheckingService extends NoopService { |
| |
| final List<TypedValue> expectedParameterValues; |
| |
| public ParameterValuesCheckingService(List<TypedValue> epv) { |
| expectedParameterValues = epv; |
| } |
| |
| @Override public ExecuteResponse apply(ExecuteRequest request) { |
| expectedParameterValues.addAll(request.parameterValues); |
| |
| final Meta.Signature signature = |
| new Meta.Signature(Collections.<ColumnMetaData>emptyList(), |
| "SELECT 1 FROM VALUE()", |
| Collections.<AvaticaParameter>emptyList(), |
| Collections.<String, Object>emptyMap(), |
| CursorFactory.LIST, Meta.StatementType.SELECT); |
| |
| final Service.ResultSetResponse resultSetResponse = |
| new Service.ResultSetResponse(UUID.randomUUID().toString(), |
| RANDOM.nextInt(), false, signature, Meta.Frame.EMPTY, -1L, null); |
| |
| return new Service.ExecuteResponse( |
| Collections.singletonList(resultSetResponse), false, null); |
| } |
| } |
| |
| @Test public void testExecuteRequestWithNumberParameter() { |
| final List<TypedValue> expectedParameterValues = new ArrayList<>(); |
| final Service service = new ParameterValuesCheckingService(expectedParameterValues); |
| final JsonService jsonService = new LocalJsonService(service); |
| final JsonHandler jsonHandler = new JsonHandler(jsonService, NoopMetricsSystem.getInstance()); |
| |
| final List<TypedValue> parameterValues = Arrays.asList( |
| TypedValue.create("NUMBER", new BigDecimal("123")), |
| TypedValue.create("STRING", "calcite")); |
| |
| jsonHandler.apply( |
| "{'request':'execute'," |
| + "'parameterValues':[{'type':'NUMBER','value':123}," |
| + "{'type':'STRING','value':'calcite'}]}"); |
| assertThat(expectedParameterValues.size(), is(2)); |
| assertThat(expectedParameterValues.get(0), is(parameterValues.get(0))); |
| assertThat(expectedParameterValues.get(1), is(parameterValues.get(1))); |
| } |
| } |
| |
| // End JsonHandlerTest.java |