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BAEL-863 jdbc test (#1764) 

* BAEL-863 jdbc test

* Reduce logging

* Reduce logging

* Reduce logging

* Reduce logging

* Reduce logging

* Optimize build

* Remove testng from core-java
This commit is contained in:
lor6 2017-05-03 12:36:17 +03:00 committed by Grzegorz Piwowarek
parent 6e86dc27ff
commit bb1ab4a775
4 changed files with 226 additions and 0 deletions
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11
core-java/pom.xml
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@ -98,6 +98,13 @@
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<!-- mysql -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${mysql.version}</version>
</dependency>
<!-- test scoped -->
@ -212,6 +219,7 @@
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*LongRunningUnitTest.java</exclude>
<exclude>**/*ManualTest.java</exclude>
<exclude>**/JdbcTest.java</exclude>
</excludes>
<testFailureIgnore>true</testFailureIgnore>
</configuration>
@ -366,6 +374,9 @@
<!-- logging -->
<org.slf4j.version>1.7.21</org.slf4j.version>
<logback.version>1.1.7</logback.version>
<!-- mysql -->
<mysql.version>6.0.6</mysql.version>
<!-- util -->
<guava.version>21.0</guava.version>

51
core-java/src/main/java/com/baeldung/jdbc/Employee.java Normal file
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@ -0,0 +1,51 @@
package com.baeldung.jdbc;
public class Employee {
private int id;
private String name;
private String position;
private double salary;
public Employee() {
}
public Employee(int id, String name, double salary, String position) {
this.id = id;
this.name = name;
this.salary = salary;
this.position = position;
}
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public double getSalary() {
return salary;
}
public void setSalary(double salary) {
this.salary = salary;
}
public String getPosition() {
return position;
}
public void setPosition(String position) {
this.position = position;
}
}

6
core-java/src/main/resources/log4j.properties Normal file
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@ -0,0 +1,6 @@
log4j.rootLogger=DEBUG, A1
log4j.appender.A1=org.apache.log4j.ConsoleAppender
log4j.appender.A1.layout=org.apache.log4j.PatternLayout
log4j.appender.A1.layout.ConversionPattern=%-4r [%t] %-5p %c %x - %m%n

158
core-java/src/test/java/com/baeldung/jdbc/JdbcTest.java Normal file
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@ -0,0 +1,158 @@
package com.baeldung.jdbc;
import static org.junit.Assert.*;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.Types;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.IntStream;
import org.apache.log4j.Logger;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class JdbcTest {
private static final Logger LOG = Logger.getLogger(JdbcTest.class);
private Connection con;
@Before
public void setup() throws ClassNotFoundException, SQLException {
Class.forName("com.mysql.cj.jdbc.Driver");
con = DriverManager.getConnection("jdbc:mysql://localhost:3306/myDb?noAccessToProcedureBodies=true", "user1", "pass");
Statement stmt = con.createStatement();
String tableSql = "CREATE TABLE IF NOT EXISTS employees (emp_id int PRIMARY KEY AUTO_INCREMENT, name varchar(30), position varchar(30), salary double)";
stmt.execute(tableSql);
}
@Test
public void whenInsertUpdateRecord_thenCorrect() throws SQLException {
Statement stmt = con.createStatement();
String insertSql = "INSERT INTO employees(name, position, salary) values ('john', 'developer', 2000)";
stmt.executeUpdate(insertSql);
String selectSql = "SELECT * FROM employees";
ResultSet resultSet = stmt.executeQuery(selectSql);
List<Employee> employees = new ArrayList<>();
while (resultSet.next()) {
Employee emp = new Employee();
emp.setId(resultSet.getInt("emp_id"));
emp.setName(resultSet.getString("name"));
emp.setSalary(resultSet.getDouble("salary"));
emp.setPosition(resultSet.getString("position"));
employees.add(emp);
}
assertEquals("employees list size incorrect", 1, employees.size());
assertEquals("name incorrect", "john", employees.iterator().next().getName());
assertEquals("position incorrect", "developer", employees.iterator().next().getPosition());
assertEquals("salary incorrect", 2000, employees.iterator().next().getSalary(), 0.1);
Statement updatableStmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet updatableResultSet = updatableStmt.executeQuery(selectSql);
updatableResultSet.moveToInsertRow();
updatableResultSet.updateString("name", "mark");
updatableResultSet.updateString("position", "analyst");
updatableResultSet.updateDouble("salary", 2000);
updatableResultSet.insertRow();
String updatePositionSql = "UPDATE employees SET position=? WHERE emp_id=?";
PreparedStatement pstmt = con.prepareStatement(updatePositionSql);
pstmt.setString(1, "lead developer");
pstmt.setInt(2, 1);
String updateSalarySql = "UPDATE employees SET salary=? WHERE emp_id=?";
PreparedStatement pstmt2 = con.prepareStatement(updateSalarySql);
pstmt.setDouble(1, 3000);
pstmt.setInt(2, 1);
boolean autoCommit = con.getAutoCommit();
try {
con.setAutoCommit(false);
pstmt.executeUpdate();
pstmt2.executeUpdate();
con.commit();
} catch (SQLException exc) {
con.rollback();
} finally {
con.setAutoCommit(autoCommit);
}
}
@Test
public void whenCallProcedure_thenCorrect() {
try {
String preparedSql = "{call insertEmployee(?,?,?,?)}";
CallableStatement cstmt = con.prepareCall(preparedSql);
cstmt.setString(2, "ana");
cstmt.setString(3, "tester");
cstmt.setDouble(4, 2000);
cstmt.registerOutParameter(1, Types.INTEGER);
cstmt.execute();
int new_id = cstmt.getInt(1);
assertTrue(new_id > 0);
} catch (SQLException exc) {
LOG.error("Procedure incorrect or does not exist!");
}
}
@Test
public void whenReadMetadata_thenCorrect() throws SQLException {
DatabaseMetaData dbmd = con.getMetaData();
ResultSet tablesResultSet = dbmd.getTables(null, null, "%", null);
while (tablesResultSet.next()) {
LOG.info(tablesResultSet.getString("TABLE_NAME"));
}
String selectSql = "SELECT * FROM employees";
Statement stmt = con.createStatement();
ResultSet resultSet = stmt.executeQuery(selectSql);
ResultSetMetaData rsmd = resultSet.getMetaData();
int nrColumns = rsmd.getColumnCount();
assertEquals(nrColumns, 4);
IntStream.range(1, nrColumns).forEach(i -> {
try {
LOG.info(rsmd.getColumnName(i));
} catch (SQLException e) {
e.printStackTrace();
}
});
}
@After
public void closeConnection() throws SQLException {
Statement updatableStmt = con.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE);
ResultSet updatableResultSet = updatableStmt.executeQuery("SELECT * FROM employees");
while (updatableResultSet.next()) {
updatableResultSet.deleteRow();
}
con.close();
}
}