【问题标题】:grails spock test mock CommonsMultipartFilegrails spock 测试模拟 CommonsMultipartFile
【发布时间】:2015-03-07 01:53:50
【问题描述】:

我有以下用代码编写的旧方法,用于访问服务类中的请求对象,例如:

def someServiceMethod() {
  ....
  def webUtils = WebUtils.retrieveGrailsWebRequest()
  def request = webUtils.getCurrentRequest()
  MultipartHttpServletRequest mpr = (MultipartHttpServletRequest) request
  CommonsMultipartFile file = (CommonsMultipartFile) mpr.getFile("file")
  ....
}

这是我的服务类单元测试代码。

@TestFor(SomeService)
class SomeServiceSpec extends Specification {
  void "test someServiceMethod"() {
    given:
    MockMultipartHttpServletRequest request = new MockMultipartHttpServletRequest()

    FileInputStream inFile = new FileInputStream("./test-data/Hiearchy-003.xlsx") //valid file path
    def multipartFile = new GrailsMockMultipartFile('file', 'file.xls', 'multipart/form-data', inFile)
    request.addFile(multipartFile)
    GrailsWebRequest webRequest = new GrailsWebRequest(
            request,
            new MockHttpServletResponse(),
            new MockServletContext()
    )
    request.setAttribute(GrailsApplicationAttributes.WEB_REQUEST,webRequest)
    RequestContextHolder.setRequestAttributes(webRequest);

    when:
    def result = service.someServiceMethod()

    then:
    result != null
    //some more assertions
    //..
  }
}

我遇到以下错误。

| Failure:  test someServiceMethod(SomeServiceSpec)
|  org.codehaus.groovy.runtime.typehandling.GroovyCastException: Cannot cast object 'org.codehaus.groovy.grails.plugins.testing.GrailsMockMultipartFile@6ae8e5dd' with class 'org.codehaus.groovy.grails.plugins.testing.GrailsMockMultipartFile' to class 'org.springframework.web.multipart.commons.CommonsMultipartFile'

有人在 grails 单元测试中遇到过这样的问题吗?

【问题讨论】:

    标签: unit-testing grails groovy spock


    【解决方案1】:

    而不是:GrailsMockMultipartFile,

    使用:org.springframework.mock.web.MockMultipartFile。

    【讨论】:

      【解决方案2】:

      我刚刚意识到如果我们直接使用输入流,下面的行是不必要的,这应该不是问题,因此解决了我的问题..

      CommonsMultipartFile file = (CommonsMultipartFile) mpr.getFile("file")
      

      【讨论】:

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