cabal 测试配置错误

cabal misconfiguration for tests

我的 .cabal 文件包含以下 hspec 配置:

-- The name of the package.
name:                MyModule

version:             0.1.0.0

cabal-version:       >=1.10
...
test-suite my-tests
  ghc-options:         -Wall -Werror
  cpp-options:         -DTEST
  default-extensions:  OverloadedStrings
  type:                exitcode-stdio-1.0
  main-is:             HSpecTests.hs
  hs-source-dirs:      tests
  build-depends:       MyModule, base >= 4.8 && < 4.9, containers >= 0.5 && <0.6, split >= 0.2 && < 0.3, hspec
  default-language:    Haskell2010

我的目录结构如下:

MyProject
     | - src
          | - Main.hs
          | - Other.hs
          | - tests
             | -HSpecTests.hs
     | - dist
     | - MyProj.cabal

当我 运行 cabal build 时,我的源代码成功构建为可执行文件 ./dist/build/myproj/myproj

cabal build 然后失败:

cabal: can't find source for HSpecTests in
dist/build/my-tests/my-tests-tmp, tests

检查 build 目录显示缺少 my-tests 目录。

hs-source-dirs 更改为 src/tests 产生:

cabal: can't find source for HSpecTests in 
dist/build/my-tests/my-tests-tmp, src/tests

将所有测试移动到 root/tests 下的顶层并将 .cabal 文件更改为 hs-source-dirs: tests 会产生:

<command line>: cannot satisfy -package-id MyModule-0.1.0.0-inplace
    (use -v for more information)

我怎么配置错误了?

你的hs-source-dirs是错误的:

 hs-source-dirs:      tests

鉴于HSpecTests的路径是src/tests/HSpecTests.hs,应该是

 hs-source-dirs:      src/tests

但是,请记住 tests 通常位于 top-level 文件夹中:

MyProject
     | - src
          | - Main.hs
          | - Other.hs
     | - tests
          | -HSpecTests.hs
     | - dist
     | - MyProj.cabal

有两处错误:

1)(感谢@Zeta 让我的文件结构步入正轨),测试需要在根级别的测试目录中

2) 如此处所述:Error while creating test suites: "cannot satisfy -package-id" 我的测试不能依赖可执行文件,需要创建一个库