unit-testing - Grails 3.3.8单元测试服务

我正在尝试测试使用src / main / webapp / folder下的文件的服务方法，但是由于任何原因似乎没有访问权限或某些原因，它都无法正常工作，获取文件的代码如下:

def file = grailsApplication.parentContext.getResource("folder/file.txt").file

错误是:

ServletContext resource [/folder/file.txt] cannot be resolved to absolute file path - web application archive not expanded?

有任何想法吗？
它不是grailsApplication ininction或get resource方法，我认为当测试框架使用该服务时，该服务无法访问该路径。

最佳答案

请参阅https://github.com/jeffbrown/davidpadillaservice上的项目。

https://github.com/jeffbrown/davidpadillaservice/blob/master/src/main/resources/folder/file.txt

line number one
line number two
line number three

https://github.com/jeffbrown/davidpadillaservice/blob/master/grails-app/services/davidpadillaservice/SomeResourceService.groovy

package davidpadillaservice

import org.springframework.beans.factory.annotation.Value
import org.springframework.core.io.Resource

class SomeResourceService {

    @Value("classpath:folder/file.txt")
    Resource fileResource

    String getFirstLine() {
        getLine(0)
    }

    String getSecondLine() {
        getLine(1)
    }

    protected String getLine(int index) {
        fileResource.file.readLines().get(index)
    }
}

https://github.com/jeffbrown/davidpadillaservice/blob/master/src/test/groovy/davidpadillaservice/SomeResourceServiceSpec.groovy

package davidpadillaservice

import grails.testing.services.ServiceUnitTest
import spock.lang.Specification

class SomeResourceServiceSpec extends Specification implements ServiceUnitTest<SomeResourceService>{

    void "test interacting with the service"() {
        expect:
        service.firstLine == 'line number one'
        service.secondLine == 'line number two'
    }
}

希望对您有所帮助。