Hello, Ponytest!

helloworld.pony

class HelloWorld

  let hello: String = "Hello, "

  new create() =>
    hello

  fun say_hello(who: String = "World"): String =>
    hello.add(who)

test.pony

use "ponytest"

actor Main
  new create(env: Env) =>
    var test = PonyTest(env)

    test(recover _TestHelloWorld end)

    test.complete()

class _TestHelloWorld iso is UnitTest
  """
  Test Hello World
  """
  fun name(): String => "helloworld/HelloWorld"

  fun apply(h: TestHelper): TestResult =>
    let hello: HelloWorld = HelloWorld.create()

    h.expect_eq[String]("Hello, World", hello.say_hello())
    h.expect_eq[String]("Hello, George", hello.say_hello("George"))
    true