Boolean Expectations
import Yarn
func someFunction() throws -> Bool {
true
}
Yarn.expectFunctionToReturnTrue(someFunction)
Yarn.expectClosureToReturnFalse {
false
}
5/9/21, 10:02 AM [yarn.console.log.expectation] âś…: expectFunctionToReturnTrue
5/9/21, 10:02 AM [yarn.console.log.expectation] ❌: expectClosureToReturnFalse
func someThrowingFunction() throws -> Bool {
throw Yarn.SomeError.expectedError
}
Yarn.expectFunctionToThrowAnError(someThrowingFunction)
5/9/21, 10:02 AM [yarn.console.log.expectation] 🚨: expectFunctionToThrowAnError
{
SomeError(message: "expectedError"): The operation couldn’t be completed. (Yarn.Yarn.SomeError error 1.)
}