Kotlin多模块项目依赖关系在测试生命周期中尚未解决

问题描述 投票:6回答:1

项目结构:纯Kotlin作为多模块maven应用

kotlinspringboot(root-module)

  • 集成的测试

问题:我跑的时候

$ cd ./kotlingspringboot/integration-tests/
$ mvn test

要么

$ cd ./kotlingspringboot/integration-tests/
$ mvn kotlin:test-compile

我从api模块得到关于类的未解析引用的编译错误:

[ERROR] Failed to execute goal org.jetbrains.kotlin:kotlin-maven-plugin:1.2.21:test-compile (test-compile) on project hello-integration-tests: Compilation failure: Compilation failure:
[ERROR] C:\workspace\kotlinspringboot\integration-tests\src\test\kotlin\org\ildar\hello\integration\HelloEndpointTests.kt:[6,18] Unresolved reference: SpringKotlinHelloWorldApplication

注意:我之前运行过mvn clean install并验证.m2缓存包含有效的api模块jar。

api(子模块)pom.xml

    ....
    <parent>
        <artifactId>kotlin-spring-boot</artifactId>
        <groupId>org.ildar</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>hello-api</artifactId>
    <version>1.0-SNAPSHOT</version>
    <packaging>jar</packaging>
  ....

集成测试(子模块)pom.xml

<parent>
    <artifactId>kotlin-spring-boot</artifactId>
    <groupId>org.ildar</groupId>
    <version>1.0-SNAPSHOT</version>
</parent>

<modelVersion>4.0.0</modelVersion>
<artifactId>hello-integration-tests</artifactId>
<version>1.0-SNAPSHOT</version>
<build>
    <testSourceDirectory>${project.basedir}/src/test/kotlin</testSourceDirectory>
    <plugins>
        <plugin>
            <artifactId>kotlin-maven-plugin</artifactId>
            <groupId>org.jetbrains.kotlin</groupId>
            <version>${kotlin.version}</version>
            <executions>
                <execution>
                    <id>compile</id>
                    <goals> <goal>compile</goal> </goals>
                </execution>

                <execution>
                    <id>test-compile</id>
                    <goals> <goal>test-compile</goal> </goals>
                </execution>
            </executions>
        </plugin>
    </plugins>
</build>

链接到github上的项目:https://github.com/IldarGalikov/kotlinspringboot

maven testing kotlin multi-module
1个回答
2
投票

问题是由Spring Boot重新打包API jar引起的。它将应用程序的类文件从jar的根目录移动到jar中的BOOT-INF / classes文件夹中。在编译集成测试时,kotlin编译器只搜索jar的根目录中的类文件,而不是查看BOOT-INF文件夹。因此,它无法解析API jar中类的引用。

This answerDamien描述了如何使Spring Boot将应用程序类保存在jar的根目录中。如果我将那里提到的配置添加到api / pom.xml中,项目中的集成测试将按预期进行编译:

<plugin>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-maven-plugin</artifactId>
    <configuration>
        <layout>MODULE</layout>
    </configuration>
</plugin>
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