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xBehave Quickstart sample with custom operator

xBehave Quickstart sample conversion in F# using a custom operator: https://github.com/xbehave/xbehave.net/wiki/Quickstart https://github.com/xbehave/xbehave.net/wiki/Scenarios-with-examples

SUT

1:	`type Calculator () = member __.Add(x,y) = x + y`

Quickstart

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let [<Scenario>] addition(x:int,y:int,calculator:Calculator,answer:int) =
    let x,y,calculator,answer = ref x, ref y, ref calculator, ref answer
    "Given the number 1" --> fun () -> x := 1
    "And the number 2" --> fun () -> y := 2
    "And a calculator" --> fun () -> calculator := Calculator()
    "When I add the numbers together" --> fun () -> answer := (!calculator).Add(!x, !y)
    "Then the answer is 3" --> fun () -> Assert.Equal(3, !answer)

Scenarios with examples

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[<Scenario>]
[<Example(1, 2, 3)>]
[<Example(2, 3, 5)>]
let adding(x:int,y:int,expectedAnswer:int,calculator:Calculator,answer:int) =
    let calculator, answer = ref calculator, ref answer
    "Given the number {0}" --> id   
    "And the number {1}" --> id
    "And a calculator" --> fun () -> calculator := Calculator()
    "When I add the numbers together" --> fun () -> answer := (!calculator).Add(x, y)
    "Then the answer is {2}" --> fun () -> Assert.Equal(expectedAnswer, !answer)

Multiple items
type Calculator =
new : unit -> Calculator
member Add : x:int * y:int -> int

Full name: Script.Calculator

--------------------
new : unit -> Calculator

member Calculator.Add : x:int * y:int -> int

Full name: Script.Calculator.Add

val x : int

val y : int

val addition : x:int * y:int * calculator:Calculator * answer:int -> unit

Full name: Script.addition

Multiple items
val int : value:'T -> int (requires member op_Explicit)

Full name: Microsoft.FSharp.Core.Operators.int

--------------------
type int = int32

Full name: Microsoft.FSharp.Core.int

--------------------
type int<'Measure> = int

Full name: Microsoft.FSharp.Core.int<_>

val calculator : Calculator

val answer : int

val x : int ref

val y : int ref

val calculator : Calculator ref

val answer : int ref

Multiple items
val ref : value:'T -> 'T ref

Full name: Microsoft.FSharp.Core.Operators.ref

--------------------
type 'T ref = Ref<'T>

Full name: Microsoft.FSharp.Core.ref<_>

val adding : x:int * y:int * expectedAnswer:int * calculator:Calculator * answer:int -> unit

Full name: Script.adding

val expectedAnswer : int

val id : x:'T -> 'T

Full name: Microsoft.FSharp.Core.Operators.id

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More information

Link:	http://fssnip.net/ko
Posted:	10 years ago
Author:	Phillip Trelford
Tags:	xbehave , bdd