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58 lines
1.6 KiB
Forth
58 lines
1.6 KiB
Forth
namespace TweetTest.Data.Result
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open Xunit
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open TweetDuck.Data
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open System
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module Result_WithValue =
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let result = Result<int>(10)
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[<Fact>]
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let ``HasValue returns true`` () =
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Assert.True(result.HasValue)
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[<Fact>]
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let ``accessing Value returns the provided value`` () =
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Assert.Equal(10, result.Value)
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[<Fact>]
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let ``accessing Exception throws`` () =
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Assert.Throws<InvalidOperationException>(fun () -> result.Exception |> ignore)
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[<Fact>]
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let ``Handle calls the correct callback`` () =
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let passTest = fun _ -> ()
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let failTest = fun _ -> Assert.True(false)
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result.Handle(Action<_>(passTest), Action<_>(failTest))
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[<Fact>]
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let ``Select returns another valid Result`` () =
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Assert.Equal(20, result.Select(fun x -> x * 2).Value)
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module Result_WithException =
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let result = Result<int>(IndexOutOfRangeException("bad"))
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[<Fact>]
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let ``HasValue returns false`` () =
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Assert.False(result.HasValue)
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[<Fact>]
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let ``accessing Value throws`` () =
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Assert.Throws<InvalidOperationException>(fun () -> result.Value |> ignore)
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[<Fact>]
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let ``accessing Exception returns the provided exception`` () =
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Assert.IsType<IndexOutOfRangeException>(result.Exception)
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[<Fact>]
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let ``Handle calls the correct callback`` () =
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let passTest = fun _ -> ()
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let failTest = fun _ -> Assert.True(false)
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result.Handle(Action<_>(failTest), Action<_>(passTest))
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[<Fact>]
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let ``Select returns a Result with the same Exception`` () =
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Assert.Same(result.Exception, result.Select(fun x -> x * 2).Exception)
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