如何使 Objective-C 仅目标构建模块? [英] How to make an Objective-C only target build a module?

问题描述

我正在尝试将 Swift 单元测试添加到所有基于 Objective-C 的项目中.如果我尝试测试代码，构建将失败并显示以下错误:

I'm trying to add Swift unit tests to an all Objective-C based project. If I attempt to test the code the build will fail with the following error:

 @testable import Foo   // No such module 'Foo'

但是，如果我向 Foo 目标添加一个 Swift 文件，单元测试将正确构建和运行，因此 Xcode 似乎只会在其中包含 Swift 文件的情况下生成 Foo 模块.当它不包含 Swift 文件时，如何强制 Xcode 创建一个模块?(如果可能，我想避免使用不必要的 Swift 文件.)

However, if I add a Swift file to the Foo target, the unit tests will build and run correctly, so it seems Xcode will only generate the Foo module if there is a Swift file in it. How can I force Xcode to create a module when it doesn't include a Swift file? (I'd like to avoid having the unnecessary Swift file if possible.)

推荐答案

看来问题出在使用@testable import Foo.只需删除该行即可构建和运行单元测试.

It appears that the problem is using the @testable import Foo. Simply removing the line allows the unit tests to build and run.

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