我尝试将mocha与coffeescript和chai结合使用。在包含测试的每个文件之前,我想包含以下文件:
测试/ _helper.coffee
path = require 'path'
AppDir = path.resolve("#{__dirname}/../src/app")
chai = require('chai')
should = chai.should()
factories = require('chai-factories')
chai.use(factories)
这样我就可以访问AppDir变量。因此,当我想要一个文件时,我不必指定app目录的完整路径。
测试/应用/ setup-test.coffee
describe 'Setup instance', ->
it 'should be a object', ->
setup = require "#{AppDir}/setup"
setup.should.be.a('object')
我尝试了以下设置:
将_hellper.coffee添加到mocha命令行选项中,如下所示:
./node_modules/.bin/mocha --require coffee-script --require test/_helper.coffee --compilers coffee:coffee-script --recursive --reporter spec test
所以:
./node_modules/.bin/mocha --require coffee-script --compilers coffee:coffee-script --recursive --reporter spec test/_helper.coffee test
我在setup-test.coffee尝试了正常的要求:
require '../_helper.coffee'
我使用的是什么方法,如果我运行测试,我会收到以下错误:
Setup instance
1) should be a object
✖ 1 of 1 test failed:
1) Setup instance should be a object:
ReferenceError: AppDir is not defined
at Context.<anonymous> (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/test/app/setup-test.coffee:8:28)
at Test.Runnable.run (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runnable.js:184:32)
at Runner.runTest (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runner.js:300:10)
at Runner.runTests.next (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runner.js:346:12)
at next (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runner.js:228:14)
at Runner.hooks (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runner.js:237:7)
at next (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runner.js:185:23)
at Runner.hook (/Users/ivotrompert/Dropbox/projects/nodejs/getWallpapers/node_modules/mocha/lib/runner.js:205:5)
at process.startup.processNextTick.process._tickCallback (node.js:244:9)
如果有人想知道我如何运行测试,那么这是我的MAKE文件:
生成文件
REPORTER = spec
DEFAULT_COMMAND = ./node_modules/.bin/mocha --require coffee-script --ui bdd --compilers coffee:coffee-script --recursive --growl --reporter
check: test
test:
@NODE_ENV=test $(DEFAULT_COMMAND) $(REPORTER)
test-watch:
@clear
@NODE_ENV=test $(DEFAULT_COMMAND) $(REPORTER) --watch
coverage:
@jscoverage --no-highlight src src-cov
@SRC_COV=1 $(DEFAULT_COMMAND) html-cov > coverage.html
@rm -rf src-cov
ifeq ($(shell uname), Darwin)
@open coverage.html
else
@xdg-open coverage.html &> /dev/null &
endif
.PHONY: test
有人可以帮帮我,谢谢你。
答案 0 :(得分:2)
这是一个解决方案。
_helper.coffee
path = require 'path'
exports.AppDir = path.resolve("#{__dirname}/../src/app")
chai = require('chai')
should = chai.should()
factories = require('chai-factories')
chai.use(factories)
你的测试咖啡
{AppDir} = require "../helpers"
describe 'Setup instance', ->
it 'should be a object', ->
setup = require "#{AppDir}/setup"
setup.should.be.a('object')
我所做的是使用exports并要求返回多个对象,如果_helper.coffee中有更多导出,可以用逗号分隔它们。该命令是相关的。
旁注: 但是为什么你的测试需要一个文件?我不想在外部文件中为一次测试设置一些隐藏的设置。这不会让以后或其他人更容易理解测试。