mocktail-typed-difference.rb

# typed: true

# This script prints:
#
# <-- Stubbing based on kwarg comparison with a TYPED method
# Should be tim: "jan greeting"
# Should be jan: "jan greeting"
# Should be nil: "jan greeting"

# <-- Stubbing based on kwarg comparison with an UNTYPED method
# Should be tim: "tim greeting"
# Should be jan: "jan greeting"
# Should be nil: nil

require "sorbet-runtime"
require "mocktail"

T::Configuration.default_checked_level = :never

class Typed
  extend T::Sig

  sig { params(name: String).returns(String) }
  def greet(name:)
    "Hello, #{name}"
  end
end

typed = Mocktail.of(Typed)

Mocktail.stubs { typed.greet(name: "Tim") }.with { "tim greeting" }
Mocktail.stubs { typed.greet(name: "Jan") }.with { "jan greeting" }

puts "<-- Stubbing based on kwarg comparison with a TYPED method"
puts "Should be tim: " + typed.greet(name: "Tim").inspect
puts "Should be jan: " + typed.greet(name: "Jan").inspect
puts "Should be nil: " + typed.greet(name: "Roy").inspect

class Untyped
  def greet(name:)
    "Hello, #{name}"
  end
end

untyped = Mocktail.of(Untyped)

Mocktail.stubs { untyped.greet(name: "Tim") }.with { "tim greeting" }
Mocktail.stubs { untyped.greet(name: "Jan") }.with { "jan greeting" }

puts "\n<-- Stubbing based on kwarg comparison with an UNTYPED method"
puts "Should be tim: " + untyped.greet(name: "Tim").inspect
puts "Should be jan: " + untyped.greet(name: "Jan").inspect
puts "Should be nil: " + untyped.greet(name: "Roy").inspect