add multiple data source test case.

src/test/java/com/alibaba/druid/bvt/stat/DruidStatServiceTest2.java

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+/*
+ * Copyright 1999-2011 Alibaba Group Holding Ltd.
+ *
+ * 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 com.alibaba.druid.bvt.stat;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.nullValue;
+import static org.junit.Assert.assertThat;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.alibaba.druid.pool.DruidDataSource;
+import com.alibaba.druid.stat.DruidStatService;
+import com.alibaba.druid.support.json.JSONUtils;
+import com.alibaba.druid.util.JdbcUtils;
+
+/**
+ * Multiple data source test case.
+ */
+public class DruidStatServiceTest2 {
+
+    private DruidDataSource dataSource;
+    private DruidDataSource dataSource2;
+
+    // every test, two data source initialized.
+    @Before
+    public void setUp() throws Exception {
+        // DruidStatService is singleton, reset all for other testcase.
+        DruidStatService.getInstance().service("/reset-all.json");
+        // mock datasource1
+        dataSource = new DruidDataSource();
+        dataSource.setUrl("jdbc:mock:xxx");
+        dataSource.setFilters("stat");
+        dataSource.setTestOnBorrow(false);
+        dataSource.init();
+        // mock datasource2
+        dataSource2 = new DruidDataSource();
+        dataSource2.setUrl("jdbc:mock:xxx2");
+        dataSource2.setFilters("stat");
+        dataSource2.setTestOnBorrow(false);
+        dataSource2.init();
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        JdbcUtils.close(dataSource);
+        JdbcUtils.close(dataSource2);
+    }
+
+    @Test
+    public void test_statService_getSqlList() throws Exception {
+        String sql = "select 1";
+
+        Connection conn = dataSource.getConnection();
+        PreparedStatement stmt = conn.prepareStatement(sql);
+        ResultSet rs = stmt.executeQuery();
+        rs.next();
+        rs.close();
+        stmt.close();
+        conn.close();
+
+        // second data source
+        String sql2 = "select 2";
+        conn = dataSource2.getConnection();
+        stmt = conn.prepareStatement(sql2);
+        rs = stmt.executeQuery();
+        rs.next();
+        rs.close();
+        stmt.close();
+        conn.close();
+
+        String result = DruidStatService.getInstance().service("/sql.json");
+        Map<String, Object> resultMap = (Map<String, Object>) JSONUtils.parse(result);
+
+        List<Map<String, Object>> sqlList = (List<Map<String, Object>>) resultMap.get("Content");
+
+        assertThat(sqlList.size(), equalTo(2));
+        for (Map<String, Object> sqlStat : sqlList) {
+            assertThat((Integer) sqlStat.get("RunningCount"), equalTo(0));
+            assertThat((Integer) sqlStat.get("ExecuteCount"), equalTo(1));
+            assertThat((Integer) sqlStat.get("FetchRowCount"), equalTo(1));
+            assertThat((Integer) sqlStat.get("EffectedRowCount"), equalTo(0));
+        }
+    }
+
+    @Test
+    public void test_statService_getSqlById() throws Exception {
+        String sql = "select 1";
+
+        Connection conn = dataSource.getConnection();
+        PreparedStatement stmt = conn.prepareStatement(sql);
+        ResultSet rs = stmt.executeQuery();
+        rs.next();
+        rs.close();
+        stmt.close();
+        conn.close();
+
+        // second data source
+        String sql2 = "select 2";
+        conn = dataSource2.getConnection();
+        stmt = conn.prepareStatement(sql2);
+        rs = stmt.executeQuery();
+        rs.next();
+        rs.close();
+        stmt.close();
+        conn.close();
+
+        long id = dataSource.getSqlStatMap().values().iterator().next().getId();
+        String result = DruidStatService.getInstance().service("/sql-" + id + ".json");
+        Map<String, Object> resultMap = (Map<String, Object>) JSONUtils.parse(result);
+        Map<String, Object> sqlStat = (Map<String, Object>) resultMap.get("Content");
+
+        assertThat((Integer) sqlStat.get("RunningCount"), equalTo(0));
+        assertThat((Integer) sqlStat.get("ExecuteCount"), equalTo(1));
+        assertThat((Integer) sqlStat.get("FetchRowCount"), equalTo(1));
+        assertThat((Integer) sqlStat.get("EffectedRowCount"), equalTo(0));
+        assertThat((String) sqlStat.get("SQL"), equalTo(sql));
+
+        id = dataSource2.getSqlStatMap().values().iterator().next().getId();
+        result = DruidStatService.getInstance().service("/sql-" + id + ".json");
+        resultMap = (Map<String, Object>) JSONUtils.parse(result);
+        sqlStat = (Map<String, Object>) resultMap.get("Content");
+
+        assertThat((Integer) sqlStat.get("RunningCount"), equalTo(0));
+        assertThat((Integer) sqlStat.get("ExecuteCount"), equalTo(1));
+        assertThat((Integer) sqlStat.get("FetchRowCount"), equalTo(1));
+        assertThat((Integer) sqlStat.get("EffectedRowCount"), equalTo(0));
+        assertThat((String) sqlStat.get("SQL"), equalTo(sql2));
+
+        String result2 = DruidStatService.getInstance().service("/sql-" + Integer.MAX_VALUE + ".json");
+        resultMap = (Map<String, Object>) JSONUtils.parse(result2);
+        assertThat(resultMap.get("Content"), is(nullValue()));
+    }
+
+    @Test
+    public void test_statService_getDataSourceList() throws Exception {
+        String result = DruidStatService.getInstance().service("/datasource.json");
+        Map<String, Object> resultMap = (Map<String, Object>) JSONUtils.parse(result);
+        List<Map<String, Object>> dataSourceList = (List<Map<String, Object>>) resultMap.get("Content");
+
+        assertThat(dataSourceList.size(), equalTo(2));
+
+        Map<String, Object> dataSourceStat = dataSourceList.get(0);
+        assertThat((Integer) dataSourceStat.get("PoolingCount"), equalTo(0));
+        assertThat((Integer) dataSourceStat.get("ActiveCount"), equalTo(0));
+    }
+
+}