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如何在 DAO UnsatisfiedDependencyException 上實現缺少的 bean？

[英]How to implement missing bean on DAO UnsatisfiedDependencyException?

 原文  2022-07-16 17:30:35  3   1    java/ spring/ spring-boot/ spring-mvc

問題描述

我收到的錯誤：

org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'com.mthree.kfonteno.metasighting.dao.LocationDaoDBTest': Unsatisfied dependency expressed through field 'metaDao'; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.mthree.kfonteno.metasighting.dao.MetaDao' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:659) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:639) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:119) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessProperties(AutowiredAnnotationBeanPostProcessor.java:399) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1431) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireBeanProperties(AbstractAutowireCapableBeanFactory.java:417) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.injectDependencies(DependencyInjectionTestExecutionListener.java:119) ~[spring-test-5.3.21.jar:5.3.21]
    at org.springframework.test.context.support.DependencyInjectionTestExecutionListener.prepareTestInstance(DependencyInjectionTestExecutionListener.java:83) ~[spring-test-5.3.21.jar:5.3.21]
    at org.springframework.boot.test.autoconfigure.SpringBootDependencyInjectionTestExecutionListener.prepareTestInstance(SpringBootDependencyInjectionTestExecutionListener.java:43) ~[spring-boot-test-autoconfigure-2.7.1.jar:2.7.1]
    at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:248) ~[spring-test-5.3.21.jar:5.3.21]
    at org.springframework.test.context.junit.jupiter.SpringExtension.postProcessTestInstance(SpringExtension.java:138) ~[spring-test-5.3.21.jar:5.3.21]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$8(ClassBasedTestDescriptor.java:363) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.executeAndMaskThrowable(ClassBasedTestDescriptor.java:368) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$invokeTestInstancePostProcessors$9(ClassBasedTestDescriptor.java:363) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197) ~[na:na]
    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[na:na]
    at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1625) ~[na:na]
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484) ~[na:na]
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) ~[na:na]
    at java.base/java.util.stream.StreamSpliterators$WrappingSpliterator.forEachRemaining(StreamSpliterators.java:312) ~[na:na]
    at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:735) ~[na:na]
    at java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734) ~[na:na]
    at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[na:na]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.invokeTestInstancePostProcessors(ClassBasedTestDescriptor.java:362) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$instantiateAndPostProcessTestInstance$6(ClassBasedTestDescriptor.java:283) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.instantiateAndPostProcessTestInstance(ClassBasedTestDescriptor.java:282) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$4(ClassBasedTestDescriptor.java:272) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at java.base/java.util.Optional.orElseGet(Optional.java:364) ~[na:na]
    at org.junit.jupiter.engine.descriptor.ClassBasedTestDescriptor.lambda$testInstancesProvider$5(ClassBasedTestDescriptor.java:271) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.execution.TestInstancesProvider.getTestInstances(TestInstancesProvider.java:31) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$prepare$0(TestMethodTestDescriptor.java:102) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:101) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.prepare(TestMethodTestDescriptor.java:66) ~[junit-jupiter-engine-5.8.2.jar:5.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$prepare$2(NodeTestTask.java:123) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.prepare(NodeTestTask.java:123) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:90) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na]
    at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at java.base/java.util.ArrayList.forEach(ArrayList.java:1511) ~[na:na]
    at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.invokeAll(SameThreadHierarchicalTestExecutorService.java:41) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$6(NodeTestTask.java:155) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$8(NodeTestTask.java:141) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.Node.around(Node.java:137) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.lambda$executeRecursively$9(NodeTestTask.java:139) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.ThrowableCollector.execute(ThrowableCollector.java:73) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.executeRecursively(NodeTestTask.java:138) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.NodeTestTask.execute(NodeTestTask.java:95) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.SameThreadHierarchicalTestExecutorService.submit(SameThreadHierarchicalTestExecutorService.java:35) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.HierarchicalTestExecutor.execute(HierarchicalTestExecutor.java:57) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.engine.support.hierarchical.HierarchicalTestEngine.execute(HierarchicalTestEngine.java:54) ~[junit-platform-engine-1.8.2.jar:1.8.2]
    at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:220) ~[junit-platform-launcher-1.3.1.jar:1.3.1]
    at org.junit.platform.launcher.core.DefaultLauncher.lambda$execute$6(DefaultLauncher.java:188) ~[junit-platform-launcher-1.3.1.jar:1.3.1]
    at org.junit.platform.launcher.core.DefaultLauncher.withInterceptedStreams(DefaultLauncher.java:202) ~[junit-platform-launcher-1.3.1.jar:1.3.1]
    at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:181) ~[junit-platform-launcher-1.3.1.jar:1.3.1]
    at org.junit.platform.launcher.core.DefaultLauncher.execute(DefaultLauncher.java:128) ~[junit-platform-launcher-1.3.1.jar:1.3.1]
    at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invokeAllTests(JUnitPlatformProvider.java:150) ~[surefire-junit-platform-2.22.2.jar:2.22.2]
    at org.apache.maven.surefire.junitplatform.JUnitPlatformProvider.invoke(JUnitPlatformProvider.java:124) ~[surefire-junit-platform-2.22.2.jar:2.22.2]
    at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384) ~[surefire-booter-2.22.2.jar:2.22.2]
    at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345) ~[surefire-booter-2.22.2.jar:2.22.2]
    at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126) ~[surefire-booter-2.22.2.jar:2.22.2]
    at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418) ~[surefire-booter-2.22.2.jar:2.22.2]
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type 'com.mthree.kfonteno.metasighting.dao.MetaDao' available: expected at least 1 bean which qualifies as autowire candidate. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoMatchingBeanFound(DefaultListableBeanFactory.java:1801) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1357) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1311) ~[spring-beans-5.3.21.jar:5.3.21]
    at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.resolveFieldValue(AutowiredAnnotationBeanPostProcessor.java:656) ~[spring-beans-5.3.21.jar:5.3.21]
    ... 72 common frames omitted

道

package com.mthree.kfonteno.metasighting.dao;

import com.mthree.kfonteno.metasighting.entity.Meta;
import com.mthree.kfonteno.metasighting.entity.Organization;
import java.util.List;

/**
 *
 * @author keila
 */
public interface MetaDao {
    
    Meta getMetaByID(int metaId);
    Meta createMeta(Meta meta);
    List<Meta> getAllMetas();
    List<Meta> getAllMetasByOrg(Organization org);
    void updateMeta(Meta meta);
    void deleteMetaById(int metaId);
}

DAO 實現

package com.mthree.kfonteno.metasighting.dao;

import com.mthree.kfonteno.metasighting.entity.Meta;
import com.mthree.kfonteno.metasighting.entity.Organization;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author keila
 */
public class MetaDaoDB implements MetaDao{
    
    @Autowired
    JdbcTemplate jdbc;

    @Override
    @Transactional
    public Meta createMeta(Meta meta) {
        final String sql = "INSERT INTO meta(meta_name, "
                + "power_id, meta_description)";
        jdbc.update(sql,
                meta.getName(),
                meta.getPower().getPowerId(),
                meta.getDescription());
        
        int newId = jdbc.queryForObject("SELECT LAST_INSERT_ID()", Integer.class);
        meta.setMetaId(newId);
        return meta;
    }

    @Override
    public List<Meta> getAllMetas() {
        final String sql = "SELECT * FROM meta";
        return jdbc.query(sql, new MetaMapper());
    }

    @Override
    public List<Meta> getAllMetasByOrg(Organization org) {
        final String sql = "SELECT * FROM meta m"
                + "JOIN meta_org mo on m.meta_id = mo.meta_id"
                + "WHERE mo.org_id = ?";
        
        return jdbc.query(sql, new MetaMapper(), org.getOrgId());
    }

    @Override
    public void updateMeta(Meta meta) {
        final String sql = "UPDATE meta SET name = ?, "
                + "power_id = ?, meta_description = ? "
                + "WHERE meta_id = ?";
        jdbc.update(sql,
                meta.getName(),
                meta.getPower().getPowerId(),
                meta.getDescription(),
                meta.getMetaId());
    }

    @Override
    @Transactional
    public void deleteMetaById(int id) {
        final String deleteFromOrg = "DELETE ho.* FROM hero_org ho"
                + "JOIN meta m on m.meta_id = ho.meta_id "
                + "WHERE m.meta_id = ?";
        jdbc.update(deleteFromOrg, id);
        
        final String deleteSighting = "DELETE sight.* FROM sighting sight"
                + "JOIN meta m on m.meta_id = sight.meta_id "
                + "WHERE m.meta_id = ?";
        jdbc.update(deleteSighting, id);
        
        final String deleteMeta = "DELETE FROM meta WHERE meta_id = ?";
        jdbc.update(deleteMeta,id);
    }   

    @Override
    public Meta getMetaByID(int id) {
        try{
            final String sql = "SELECT * FROM meta"
                + "WHERE meta_id = ?";
        return jdbc.queryForObject(sql, new MetaMapper(), id);
        } catch(DataAccessException ex){
            return null;
        }
    }
    
    public static final class MetaMapper implements RowMapper<Meta> {

        @Override
        public Meta mapRow(ResultSet rs, int index) throws SQLException {
            Meta meta = new Meta();
            meta.setMetaId(rs.getInt("meta_id"));
            meta.setName(rs.getString("meta_name"));
            meta.setDescription(rs.getString("meta_description"));
            
            return meta;
        }
    }
}

實體

package com.mthree.kfonteno.metasighting.entity;

import java.util.Objects;

/**
 *
 * @author keila
 */
public class Meta {
    
    private int metaId;
    private String name;
    private String description;
    private Power power;

    public int getMetaId() {
        return metaId;
    }

    public void setMetaId(int metaId) {
        this.metaId = metaId;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public Power getPower() {
        return power;
    }

    public void setPower(Power power) {
        this.power = power;
    }

    @Override
    public int hashCode() {
        int hash = 3;
        hash = 17 * hash + this.metaId;
        hash = 17 * hash + Objects.hashCode(this.name);
        hash = 17 * hash + Objects.hashCode(this.description);
        hash = 17 * hash + Objects.hashCode(this.power);
        return hash;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final Meta other = (Meta) obj;
        if (this.metaId != other.metaId) {
            return false;
        }
        if (!Objects.equals(this.name, other.name)) {
            return false;
        }
        if (!Objects.equals(this.description, other.description)) {
            return false;
        }
        if (!Objects.equals(this.power, other.power)) {
            return false;
        }
        return true;
    }

}

主要方法

package com.mthree.kfonteno.metasighting;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class MetasightingApplication {

    public static void main(String[] args) {
        SpringApplication.run(MetasightingApplication.class, args);
    }

}

絨球

<?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>2.7.1</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.mthree.kfonteno</groupId>
    <artifactId>metasighting</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>metasighting</name>
    <description>Meta Sighting Project</description>
    <properties>
        <java.version>11</java.version>
    </properties>
    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
                
                <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-validation</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>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</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>
            </plugin>
        </plugins>
    </build>

</project>

測試班

package com.mthree.kfonteno.metasighting.dao;

import com.mthree.kfonteno.metasighting.entity.Location;
import com.mthree.kfonteno.metasighting.entity.Meta;
import com.mthree.kfonteno.metasighting.entity.Organization;
import com.mthree.kfonteno.metasighting.entity.Power;
import com.mthree.kfonteno.metasighting.entity.Sighting;
import java.util.List;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

/**
 *
 * @author keila
 */
@SpringBootTest
public class LocationDaoDBTest {
    
    @Autowired
    LocationDao locDao;
    
    @Autowired
    MetaDao metaDao;
    
    @Autowired
    OrgDao orgDao;
    
    @Autowired
    PowerDao powerDao;
    
    @Autowired
    SightingDao sDao;
    
    public LocationDaoDBTest() {
    }
    
    @BeforeAll
    public static void setUpClass() {
    }
    
    @AfterAll
    public static void tearDownClass() {
    }
    
    @BeforeEach
    public void setUp() {
        List<Location> locs = locDao.allLocations();
        for(Location loc : locs){
            locDao.deleteLocation(loc.getLocationId());
        }
        
        List<Meta> metas = metaDao.getAllMetas();
        for(Meta meta : metas){
            metaDao.deleteMetaById(meta.getMetaId());
        }
        
        List<Organization> orgs = orgDao.allOrgs();
        for(Organization org : orgs){
            orgDao.deleteOrg(org.getOrgId());
        }
        
        List<Power> powers = powerDao.allPowers();
        for(Power pow : powers){
            powerDao.deletePower(pow.getPowerId());
        }
        
        List<Sighting> sights = sDao.allSightings();
        for(Sighting sight : sights){
            sDao.deleteSighting(sight.getSightingId());
        }
    }
    
    @AfterEach
    public void tearDown() {
    }

    @Test
    public void getAndAddLocation() {
        Location loc = new Location();
        loc.setAddress("Test Loc");
        loc.setLongitude(1.0);
        loc.setLatitude(1.0);
        loc = locDao.createLocation(loc);
        
        Location fromDao = locDao.getLocationById(loc.getLocationId());
        
        assertEquals(loc, fromDao);
    }
    
}

我正在測試我的 DAO，但此時我似乎無法弄清楚我還需要做什么來修復此錯誤。 出現“UnsatisfiedDependencyException”，由於某種原因，它似乎未能正確地將我的依賴項注入我的測試文件中。

1 個解決方案

解決方案1
 1 已采納  2022-07-16 17:42:23

會說MetaDaoDB缺少@Component 。

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