我要评论单元测试可以 mock 掉数据库，但集成测试需要真实环境。testcontainers 在测试时启动 docker 容器，用完后自动销毁。
一、引入依赖
<dependency>
<groupid>org.testcontainers</groupid>
<artifactid>testcontainers</artifactid>
<version>1.19.3</version>
<scope>test</scope>
</dependency>
<dependency>
<groupid>org.testcontainers</groupid>
<artifactid>mysql</artifactid>
<version>1.19.3</version>
<scope>test</scope>
</dependency>二、mysql 集成测试
@springboottest
@testcontainers
class userrepositorytest {
@container
static mysqlcontainer<?> mysql = new mysqlcontainer<>("mysql:8.0")
.withdatabasename("testdb")
.withusername("test")
.withpassword("test");
@dynamicpropertysource
static void configureproperties(dynamicpropertyregistry registry) {
registry.add("spring.datasource.url", mysql::getjdbcurl);
registry.add("spring.datasource.username", mysql::getusername);
registry.add("spring.datasource.password", mysql::getpassword);
}
@autowired
private userrepository userrepository;
@test
void testsaveandfind() {
user user = new user();
user.setname("张三");
user.setemail("zhangsan@test.com");
userrepository.save(user);
assertthat(user.getid()).isnotnull();
user found = userrepository.findbyid(user.getid()).orelse(null);
assertthat(found).isnotnull();
assertthat(found.getname()).isequalto("张三");
}
}
三、redis 集成测试
<dependency>
<groupid>org.testcontainers</groupid>
<artifactid>redis</artifactid>
<version>1.19.3</version>
<scope>test</scope>
</dependency>@springboottest
@testcontainers
class rediscachetest {
@container
static genericcontainer<?> redis = new genericcontainer<>(
dockerimagename.parse("redis:7-alpine"))
.withexposedports(6379);
@dynamicpropertysource
static void configureproperties(dynamicpropertyregistry registry) {
registry.add("spring.redis.host", redis::gethost);
registry.add("spring.redis.port", () -> redis.getmappedport(6379));
}
@autowired
private stringredistemplate redistemplate;
@test
void testsetandget() {
redistemplate.opsforvalue().set("test:key", "hello");
string value = redistemplate.opsforvalue().get("test:key");
assertthat(value).isequalto("hello");
}
}
四、共享容器
@testcontainers
abstract class abstractintegrationtest {
@container
static mysqlcontainer<?> mysql = new mysqlcontainer<>("mysql:8.0");
@container
static genericcontainer<?> redis = new genericcontainer<>(
dockerimagename.parse("redis:7-alpine"))
.withexposedports(6379);
@dynamicpropertysource
static void configureproperties(dynamicpropertyregistry registry) {
registry.add("spring.datasource.url", mysql::getjdbcurl);
registry.add("spring.datasource.username", mysql::getusername);
registry.add("spring.datasource.password", mysql::getpassword);
registry.add("spring.redis.host", redis::gethost);
registry.add("spring.redis.port", () -> redis.getmappedport(6379));
}
}
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