Before: call ale#assert#SetUpLinterTest('swift', 'swiftlint') After: call ale#assert#TearDownLinterTest() Execute(Global installation should be the default executable): call ale#test#SetFilename('../test-files/swiftlint/global/testfile.swift') AssertEqual \ 'swiftlint', \ ale_linters#swift#swiftlint#GetExecutable(bufnr('')) Execute(React Native apps using CocoaPods should take precedence over the default executable): call ale#test#SetFilename('../test-files/swiftlint/react-native/testfile.swift') AssertEqual \ tolower(ale#test#GetFilename('../test-files/swiftlint/react-native/ios/Pods/SwiftLint/swiftlint')), \ tolower(ale_linters#swift#swiftlint#GetExecutable(bufnr(''))) Execute(CocoaPods installation should take precedence over the default executable): call ale#test#SetFilename('../test-files/swiftlint/cocoapods/testfile.swift') AssertEqual \ tolower(ale#test#GetFilename('../test-files/swiftlint/cocoapods/Pods/SwiftLint/swiftlint')), \ tolower(ale_linters#swift#swiftlint#GetExecutable(bufnr(''))) Execute(Top level CocoaPods installation should take precedence over React Native installation): call ale#test#SetFilename('../test-files/swiftlint/cocoapods-and-react-native/testfile.swift') AssertEqual \ tolower(ale#test#GetFilename('../test-files/swiftlint/cocoapods-and-react-native/Pods/SwiftLint/swiftlint')), \ tolower(ale_linters#swift#swiftlint#GetExecutable(bufnr(''))) Execute(use-global should override other versions): let g:ale_swift_swiftlint_use_global = 1 let g:ale_swift_swiftlint_executable = 'swiftlint_d' call ale#test#SetFilename('../test-files/swiftlint/cocoapods-and-react-native/testfile.swift') AssertEqual \ 'swiftlint_d', \ ale_linters#swift#swiftlint#GetExecutable(bufnr(''))