feat: add connectiontest

src/connector/jdbc/src/test/java/com/taosdata/jdbc/ConnectionTest.java

+package com.taosdata.jdbc;
+
+import org.junit.Test;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Properties;
+
+import static org.junit.Assert.assertTrue;
+
+public class ConnectionTest {
+    static Connection connection = null;
+    static Statement statement = null;
+    static String dbName = "test";
+    static String stbName = "st";
+    static String host = "localhost";
+
+    @Test
+    public static void createConnection() throws SQLException {
+        try {
+            Class.forName("com.taosdata.jdbc.TSDBDriver");
+        } catch (ClassNotFoundException e) {
+            return;
+        }
+        Properties properties = new Properties();
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
+        connection = DriverManager.getConnection("jdbc:TAOS://" + host + ":0/" + "?user=root&password=taosdata"
+                , properties);
+
+        assertTrue(null != connection);
+    }
+
+    @Test
+    public void createDatabase() {
+        try {
+            statement.executeUpdate("create database if not exists " + dbName);
+        } catch (SQLException e) {
+            assert false : "create database error: " + e.getMessage();
+        }
+    }
+
+    @Test
+    public void close() {
+        try {
+            if (!statement.isClosed()) {
+                statement.executeUpdate("drop database " + dbName);
+                statement.close();
+                connection.close();
+            }
+        } catch (SQLException e) {
+            assert false : "close connection error: " + e.getMessage();
+        }
+    }
+}

src/connector/jdbc/src/test/java/com/taosdata/jdbc/StableTest.java

 package com.taosdata.jdbc;
 
+import org.junit.AfterClass;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+import java.sql.*;
+import java.util.Properties;
+
+import static org.junit.Assert.assertEquals;
+
 public class StableTest {
+    static Connection connection = null;
+    static Statement statement = null;
+    static String dbName = "test";
+    static String stbName = "st";
+    static String host = "localhost";
+
+    @BeforeClass
+    public static void createDatabase() throws SQLException {
+        try {
+            Class.forName("com.taosdata.jdbc.TSDBDriver");
+        } catch (ClassNotFoundException e) {
+            return;
+        }
+        Properties properties = new Properties();
+        properties.setProperty(TSDBDriver.PROPERTY_KEY_HOST, host);
+        connection = DriverManager.getConnection("jdbc:TAOS://" + host + ":0/" + "?user=root&password=taosdata"
+                , properties);
+
+        statement = connection.createStatement();
+        statement.executeUpdate("create database if not exists " + dbName);
+        statement.executeQuery("use " + dbName);
+    }
+
+    @Test
+    public void createStable() {
+        String sql = "create table " + stbName + " (ts timestamp, v1 int, v2 int) tags (tg nchar(20)) ";
+
+        try {
+            statement.executeUpdate(sql);
+        } catch (SQLException e) {
+            assert false : "error create stable" + e.getMessage();
+        }
+    }
+
+    @Test
+    public void createTable() {
+        String sql = "create table t1 using " + stbName + " tags (\"beijing\")";
+
+        try {
+            statement.executeUpdate(sql);
+        } catch (SQLException e) {
+            assert false : "error create table" + e.getMessage();
+        }
+    }
+
+    @Test
+    public void describeSTable() {
+        String sql = "describe " + stbName;
+        int num = 0;
+        System.out.println("describe stable");
+        try {
+            ResultSet res = statement.executeQuery(sql);
+            while (res.next()) {
+                for (int i = 1; i <= res.getMetaData().getColumnCount(); i++) {
+                    System.out.printf("%d: %s\n", i, res.getString(i));
+                }
+                num++;
+            }
+            assertEquals(4, num);
+        } catch (SQLException e) {
+            assert false : "error describe stable" + e.getMessage();
+        }
+    }
+
+    @Test
+    public void describeTable() {
+        String sql = "describe t1";
+        int num = 0;
+        System.out.println("describe table");
+        try {
+            ResultSet res = statement.executeQuery(sql);
+            while (res.next()) {
+                for (int i = 1; i <= res.getMetaData().getColumnCount(); i++) {
+                    System.out.printf("%d: %s\n", i, res.getString(i));
+                }
+                num++;
+            }
+            assertEquals(4, num);
+        } catch (SQLException e) {
+            assert false : "error describe stable" + e.getMessage();
+        }
+    }
+
+    @Test
+    public void validCreateSql() {
+        String sql = "create table t2 using " + stbName + " tags (\"beijing\")";
+        boolean valid = ((TSDBConnection)connection).getConnection().validateCreateTableSql(sql);
+        assertEquals(true, valid);
+    }
+
+    @AfterClass
+    public static void close() throws Exception {
+        if (!statement.isClosed()) {
+            statement.executeUpdate("drop database " + dbName);
+            statement.close();
+            connection.close();
+        }
+    }
 }