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在我的 clojure 项目中,我使用gen-class命令构建了几个 java 类。他们是[extractor.yaml YAMLExtractor YAMLExtractorFactory]。我现在想针对这些类构建单元测试,但我有错误:java.lang.ClassNotFoundException: extractor.yaml.YAMLExtractor当我运行测试时。

导致错误的文件是: yaml_extrator_factory.clj

(ns extractor.yaml-extractor-factory
  (:gen-class :name extractor.yaml.YAMLExtractorFactory
              :extends org.apache.any23.extractor.SimpleExtractorFactory
              :implements [org.apache.any23.extractor.ExtractorFactory]
              :init init
              :constructors {[] [String org.apache.any23.rdf.Prefixes java.util.Collection String]}
              :main false)
  (:require [extractor.yaml-extractor])
  (:import [extractor.yaml YAMLExtractor]
           [org.apache.any23.rdf Prefixes]
           [org.apache.any23.extractor SimpleExtractorFactory ExtractorFactory Extractor ExtractionContext ]))

该错误仅在测试期间发生。整个项目是 AOT 可编译的,没有错误,当我构建一个 jar 文件时也很好。

测试simple.clj包含头:

(ns extractor.simple
    (:use [clojure.tools.logging :as log]
          [clojure.java.io :as jio]
          [clojure.test :as test])
    (:require [extractor.yaml-extractor-factory])
    (:import [java.util Arrays]
             [extractor.yaml.YAMLExtractorFactory]))

并测试哪个打印 CLASSPATH。yaml-extractor-factory没有使用。使用命令运行测试:

boot aot -a update-classpath run-test -t extractor.simple

其中任务update-classpath添加(get-env :directories)到类路径和run-test运行测试。run-test与普通的 clojure 代码一起工作正常。

运行测试是我的任务,内容如下:

(deftask run-test "Run unit tests"
  [t test-name NAME str "Test to execute. Run all tests if not given."]

  (require '[extractor.simple])
  (with-pass-thru [_]
    (if (nil? test-name)
      (do
        (util/info "Run all tests")
        (test/run-all-tests))
      (do
        (util/info (format "Run test: %s" (:test-name *opts*)))
        (test/run-tests (symbol (:test-name *opts*)))
        ))))
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