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Testing Dynamic Datasource Routing with ShardingJDBC in SpringBoot-Labs

This test suite validates the OrderService functionality in a dynamic datasource environment using ShardingJDBC and Spring Boot. It demonstrates comprehensive testing of multiple service methods with different database routing scenarios.

Test Coverage Overview

The test suite provides comprehensive coverage of the OrderService class methods, testing five distinct scenarios (method01 through method05). Each test validates different aspects of database operations and routing logic.

Validates all core OrderService methods
Tests database routing scenarios
Covers dynamic datasource switching
Ensures ShardingJDBC integration

Implementation Analysis

The implementation uses Spring’s test framework with JUnit 4 integration. The @RunWith(SpringRunner.class) and @SpringBootTest annotations establish a full application context, enabling autowiring and dependency injection for comprehensive integration testing.

Spring context-based testing approach
Autowired service injection
Individual method isolation

Technical Details

Testing infrastructure includes:

JUnit 4 testing framework
Spring Test context framework
SpringRunner test executor
Application.class configuration
Autowired dependency injection
ShardingJDBC configuration

Best Practices Demonstrated

The test class exemplifies several testing best practices including proper test isolation, clear method naming, and comprehensive service coverage. Each test method focuses on a single service operation, following the single responsibility principle.

Clear test method naming convention
Individual test isolation
Proper Spring context configuration
Comprehensive service testing

yudaocode/springboot-labs

lab-17/lab-17-dynamic-datasource-sharding-jdbc-01/src/test/java/dynamicdatasource/service/OrderServiceTest.java

            
package dynamicdatasource.service;

import cn.iocoder.springboot.lab17.dynamicdatasource.Application;
import cn.iocoder.springboot.lab17.dynamicdatasource.service.OrderService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = Application.class)
public class OrderServiceTest {

    @Autowired
    private OrderService orderService;

    @Test
    public void testMethod01() {
        orderService.method01();
    }

    @Test
    public void testMethod02() {
        orderService.method02();
    }

    @Test
    public void testMethod03() {
        orderService.method03();
    }

    @Test
    public void testMethod04() {
        orderService.method04();
    }

    @Test
    public void testMethod05() {
        orderService.method05();
    }

}