嗨,朋友们,希望你们一切顺利。
所以我在为我的简单项目编写一些简单的单元测试,一开始运行测试,我就遇到了一些问题。
首先是测试代码:
getallusersservicetest.java文件
package com.challenge.simpleApi.domains.users.services.getAllUsersService;
import com.challenge.simpleApi.domains.users.models.Users;
import com.challenge.simpleApi.domains.users.repositories.UsersRepository;
import java.util.ArrayList;
import java.util.List;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.boot.jdbc.EmbeddedDatabaseConnection;
import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
import org.springframework.boot.test.context.SpringBootTest;
@ExtendWith(MockitoExtension.class)
public class GetAllUsersServiceTest {
@Mock
private UsersRepository usersRepository;
@InjectMocks
private GetAllUsersService getAllUsersService;
private List<Users> fakeRepositoryReturn = new ArrayList<Users>();
final Users user1 = new Users(1L, "John", 28, null);
final Users user2 = new Users(2L, "Peter", 20, null);
final Users user3 = new Users(3L, "Patricia", 21, null);
@BeforeEach
void setUp() {
fakeRepositoryReturn.add(user1);
fakeRepositoryReturn.add(user2);
fakeRepositoryReturn.add(user3);
}
@Test
@DisplayName("Should be able to return all Users")
void ShouldReturnAllUsers() {
Mockito.when(usersRepository.findAll()).thenReturn(fakeRepositoryReturn);
List<Users> actual = getAllUsersService.execute();
Assertions.assertEquals(fakeRepositoryReturn, actual);
}
}
createusersservicetest.java
package com.challenge.simpleApi.domains.users.services.CreateUsersService;
import com.challenge.simpleApi.domains.users.models.Users;
import com.challenge.simpleApi.domains.users.repositories.UsersRepository;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import javax.validation.ConstraintViolation;
import javax.validation.Validation;
import javax.validation.Validator;
import javax.validation.ValidatorFactory;
import org.junit.jupiter.api.*;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.boot.jdbc.EmbeddedDatabaseConnection;
import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.web.bind.MethodArgumentNotValidException;
//@SpringBootTest
//@AutoConfigureTestDatabase(connection = EmbeddedDatabaseConnection.H2)
@ExtendWith(MockitoExtension.class)
public class CreateUsersServiceTest {
@Mock
private UsersRepository usersRepository;
@InjectMocks
private CreateUsersService createUsersService;
//Validator Instances - Used to validate the annotations inside the entities
private static ValidatorFactory validatorFactory;
private static Validator validator;
@BeforeEach
void setUp() {}
@BeforeAll
static void beforeAll() {
//Instantiate the validators
validatorFactory = Validation.buildDefaultValidatorFactory();
validator = validatorFactory.getValidator();
}
@AfterAll
static void afterAll() {
validatorFactory.close();
}
@Test
@DisplayName("Should be able to create a new User")
void createUserTest() {
Users userInput = new Users(null, "Jonas", 28, null);
Users expected = new Users(1L, "Jonas", 28, null);
Mockito.when(usersRepository.save(userInput)).thenReturn(expected);
Users actual = createUsersService.execute(userInput);
Assertions.assertEquals(expected, actual);
}
@Test
@DisplayName("Should not be able to create a new User without a name")
void CreateUserWithoutNameTet() {
Users userInput = new Users(null, null, 18, null);
Set<ConstraintViolation<Users>> violations = validator.validate(userInput);
List<String> errors = new ArrayList<String>();
errors =
violations.stream().map(x -> x.getMessage()).collect(Collectors.toList());
Assertions.assertEquals("Name should not be empty", errors.get(0));
}
@Test
@DisplayName("Should not be able to create a new under 18yo User")
void CreateUnder18User() {
Users userInput = new Users(null, "Paull", 17, null);
var errors = validator
.validate(userInput)
.stream()
.map(x -> x.getMessage())
.collect(Collectors.toList());
Assertions.assertEquals("Should not be less than 18", errors.get(0));
}
}
正如您所注意到的,我的单元测试不需要一个数据库来运行(老实说,拥有它没有任何意义),我甚至嘲笑了存储库。当我单独运行它们时,它们运行得非常好
mvn test -Dtest=GetAllUsersServiceTest
mvn test -Dtest=CreateUsersServiceTest
但是,当我运行所有这些测试时,我的测试都会出错:
mvn test
它看起来像是在连接数据库。老实说,我找不到改变这种行为的方法。它们单独运行得很好,但是当我运行它们一次时,事情开始变得很奇怪。
如果你们能帮我理解出了什么问题,我会很感激的
提前谢谢
下面是错误堆栈:
2021-01-31 14:18:45.328 INFO 17704 --- [ main] c.c.simpleApi.SimpleApiApplicationTests : Starting SimpleApiApplicationTests using Java 15.0.2 on DESKTOP-AO5BOC0 with PID 17704 (started by matt in /home/matt/Source/java/simpleApi)
2021-01-31 14:18:45.333 INFO 17704 --- [ main] c.c.simpleApi.SimpleApiApplicationTests : No active profile set, falling back to default profiles: default
2021-01-31 14:18:46.114 INFO 17704 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Bootstrapping Spring Data JPA repositories in DEFAULT mode.
2021-01-31 14:18:46.158 INFO 17704 --- [ main] .s.d.r.c.RepositoryConfigurationDelegate : Finished Spring Data repository scanning in 38 ms. Found 2 JPA repository interfaces.
2021-01-31 14:18:46.689 INFO 17704 --- [ main] o.hibernate.jpa.internal.util.LogHelper : HHH000204: Processing PersistenceUnitInfo [name: default]
2021-01-31 14:18:46.724 INFO 17704 --- [ main] org.hibernate.Version : HHH000412: Hibernate ORM core version 5.4.27.Final
2021-01-31 14:18:46.752 INFO 17704 --- [ main] o.hibernate.annotations.common.Version : HCANN000001: Hibernate Commons Annotations {5.1.2.Final}
2021-01-31 14:18:46.827 INFO 17704 --- [ main] com.zaxxer.hikari.HikariDataSource : HikariPool-1 - Starting...
2021-01-31 14:18:47.877 ERROR 17704 --- [ main] com.zaxxer.hikari.pool.HikariPool : HikariPool-1 - Exception during pool initialization.
org.postgresql.util.PSQLException: Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.
[...]
at org.postgresql.core.v3.ConnectionFactoryImpl.tryConnect(ConnectionFactoryImpl.java:98) ~[postgresql-42.2.18.jar:42.2.18]
at org.postgresql.core.v3.ConnectionFactoryImpl.openConnectionImpl(ConnectionFactoryImpl.java:213) ~[postgresql-42.2.18.jar:42.2.18]
... 135 common frames omitted
2021-01-31 14:18:47.929 WARN 17704 --- [ main] o.h.e.j.e.i.JdbcEnvironmentInitiator : HHH000342: Could not obtain connection to query metadata
org.postgresql.util.PSQLException: Connection to localhost:5432 refused. Check that the hostname and port are correct and that the postmaster is accepting TCP/IP connections.
[...]
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263) ~[hibernate-core-5.4.27.Final.jar:5.4.27.Final]
... 118 common frames omitted
2021-01-31 14:18:47.981 ERROR 17704 --- [ main] o.s.test.context.TestContextManager : Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener@a6a66fac] to prepare test instance [com.challenge.simpleApi.SimpleApiApplicationTests@a25870b7]
java.lang.IllegalStateException: Failed to load ApplicationContext
[...]
[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 3.376 s <<< FAILURE! - in com.challenge.simpleApi.SimpleApiApplicationTests
[ERROR] contextLoads Time elapsed: 0.001 s <<< ERROR!
java.lang.IllegalStateException: Failed to load ApplicationContext
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'entityManagerFactory' defined in class path resource [org/springframework/boot/autoconfigure/orm/jpa/HibernateJpaConfiguration.class]: Invocation of init method failed; nested exception is org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
Caused by: org.hibernate.service.spi.ServiceException: Unable to create requested service [org.hibernate.engine.jdbc.env.spi.JdbcEnvironment]
Caused by: org.hibernate.HibernateException: Access to DialectResolutionInfo cannot be null when 'hibernate.dialect' not set
[INFO]
[INFO] Results:
[INFO]
[ERROR] Errors:
[ERROR] SimpleApiApplicationTests.contextLoads » IllegalState Failed to load Applicati...
[ERROR] CreateUsersServiceTest.CreateUnder18User:71 NullPointer Cannot invoke "javax.v...
[ERROR] CreateUsersServiceTest.CreateUserWithoutNameTet:56 NullPointer Cannot invoke "...
[INFO]
[ERROR] Tests run: 5, Failures: 0, Errors: 3, Skipped: 0
[INFO]
编辑:pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.4.2</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.challenge</groupId>
<artifactId>simpleApi</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>simpleApi</name>
<description>A simple api made crafted with spring</description>
<properties>
<java.version>15</java.version>
<org.mapstruct.version>1.4.1.Final</org.mapstruct.version>
<org.projectlombok.version>1.18.16</org.projectlombok.version>
<lombok-mapstruct-binding.version>0.2.0</lombok-mapstruct-binding.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>org.postgresql</groupId>
<artifactId>postgresql</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>io.springfox</groupId>
<artifactId>springfox-boot-starter</artifactId>
<version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct</artifactId>
<version>${org.mapstruct.version}</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${org.projectlombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<configuration>
<excludes>
<exclude>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</exclude>
</excludes>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>15</source> <!-- depending on your project -->
<target>15</target> <!-- depending on your project -->
<annotationProcessorPaths>
<path>
<groupId>org.mapstruct</groupId>
<artifactId>mapstruct-processor</artifactId>
<version>${org.mapstruct.version}</version>
</path>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>${org.projectlombok.version}</version>
</path>
<path>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-mapstruct-binding</artifactId>
<version>${lombok-mapstruct-binding.version}</version>
</path>
</annotationProcessorPaths>
</configuration>
</plugin>
</plugins>
</build>
</project>
提前谢谢!:)
1条答案
按热度按时间nfg76nw01#
这个答案最初由@deadpool发布在评论中。
spring初始化器在测试包中创建一个示例测试类。此类具有@springboottest注解。
此注解确保在测试中加载完整的spring引导环境,需要连接。
这种情况的解决方案是删除注解,或者删除java文件本身。