Java tutorial
/* * 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.kylin.jdbc; import java.io.IOException; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.Properties; import org.apache.http.HttpResponse; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpUriRequest; import org.apache.http.message.BasicStatusLine; import org.junit.Before; import org.junit.Test; import com.google.common.collect.Lists; import static org.apache.http.HttpVersion.HTTP_1_1; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import static org.mockito.Mockito.any; import static org.mockito.Mockito.mock; import static org.mockito.Mockito.when; public class KylinClientTest { KylinConnectionInfo connInfo = new KylinConnectionInfo() { @Override public String getProject() { return "default"; } @Override public String getBaseUrl() { return "http://localhost:7070"; } @Override public Properties getConnectionProperties() { Properties props = new Properties(); props.setProperty("user", "ADMIN"); props.setProperty("password", "KYLIN"); return props; } }; KylinClient client = new KylinClient(connInfo); HttpClient httpClient = mock(HttpClient.class); @Before public void setUp() throws Exception { client.setHttpClient(httpClient); } @Test public void connect() throws IOException { HttpResponse response = mock(HttpResponse.class); when(httpClient.execute(any(HttpUriRequest.class))).thenReturn(response); when(response.getStatusLine()).thenReturn(new BasicStatusLine(HTTP_1_1, 200, "OK")); client.connect(); } @Test public void retrieveMetaData() throws IOException { HttpResponse response = TestUtil.mockHttpResponseWithFile(200, "OK", "tables_and_columns.json"); when(httpClient.execute(any(HttpUriRequest.class))).thenReturn(response); KylinMeta.KMetaProject metaData = client.retrieveMetaData(connInfo.getProject()); assertEquals(connInfo.getProject(), metaData.projectName); assertTrue(!metaData.catalogs.isEmpty()); KylinMeta.KMetaCatalog catalog = metaData.catalogs.get(0); assertEquals("defaultCatalog", catalog.getName()); assertEquals(1, catalog.schemas.size()); KylinMeta.KMetaSchema schema = catalog.schemas.get(0); assertEquals("DEFAULT", schema.getName()); assertEquals(5, schema.tables.size()); } @Test(expected = AssertionError.class) public void retrieveMetaDataWithWrongProject() throws IOException { client.retrieveMetaData("defualt2"); } @Test public void executeQuery() throws IOException { HttpResponse response = TestUtil.mockHttpResponseWithFile(200, "OK", "query.json"); when(httpClient.execute(any(HttpUriRequest.class))).thenReturn(response); IRemoteClient.QueryResult queryResult = client.executeQuery("SELECT 1 as val", Collections.emptyList(), new HashMap<String, String>()); assertEquals(1, queryResult.columnMeta.size()); Iterable<Object> iterable = queryResult.iterable; ArrayList<Object> list = Lists.newArrayList(iterable); assertEquals(1, list.size()); } }