[swift-users] XCTest from repl

[Brian Gesiak]

Lou,

Wow, this is awesome!! Excellent work.

I have a few ideas as to why you’re not actually seeing any tests run:

   1. swift-corelibs-xctest expects users to run tests via the XCTMain()
   function
   <https://github.com/apple/swift-corelibs-xctest/blob/96144ded862f402a742345b38f8324cf108f0398/Sources/XCTest/Public/XCTestMain.swift#L52>.
   I’m not sure it’s appropriate for your use case, since the function calls
   exit() directly (and thus has a return type of Never). If it does fits
   your use case, I’d suggest using it, since all of swift-corelibs-xctest’s
   regression tests assume this function is called.
   2. swift-corelibs-xctest lacks the runtime reflection used by Apple
   XCTest, and so requires users to list their test methods
   <https://github.com/apple/swift-corelibs-xctest/blob/1f00ab2c677d9c226dea8fa3f541999d6f4405b6/Sources/XCTest/Private/XCTestCaseSuite.swift#L31>.
   I think you may see the testIt() output by adding the following:

class MyTest : XCTestCase { +    static var allTests = {+
return [+            ("testIt", testIt),+        ]+    }()
    override func setUp() {

Let me know if that works!

- Brian Gesiak
​

On Mon, Aug 8, 2016 at 3:25 PM, Lou Zell via swift-users <
swift-users at swift.org> wrote:

> Greetings,
>
> I am close to getting XCTests running in the swift repl, but for some
> reason my tests are never invoked.  Does anyone have a suggestion or see
> something wrong with the test setup?
>
> $ xcrun swift -F /Applications/Xcode-beta.app/
> Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks
>
> import Foundation // If you're copy pasting, copy paste these individually!// If you get a null pointer back, use perror(dlerror()) to get a description of the errordlopen("/Applications/Xcode-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/Library/Frameworks/XCTest.framework/Versions/A/XCTest", RTLD_NOW)dlopen("/Applications/Xcode-beta.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/macosx/libswiftXCTest.dylib", RTLD_NOW)import XCTest
> class MyTest : XCTestCase {
>     override func setUp() {
>         super.setUp()
>         print("Setting up")
>     }    override func tearDown() {
>         super.tearDown()                      print("Tearing down")
>     }
>     func testIt() {
>         print("I'm never here")
>         XCTAssertTrue(false, "I never see this!")
>     } }
>
> let suite = XCTestSuite(name: "foo")suite.addTest(MyTest())suite.run()
>
> I see the "setting up" and "tearing down" output, but I never see the
> print inside -testIt.  Any ideas?
>
> Thanks,
> Lou
>
>
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