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SemanticClassificationServiceTests.fs
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// Copyright (c) Microsoft Corporation. All Rights Reserved. See License.txt in the project root for license information.
namespace FSharp.Editor.Tests
open Xunit
open Microsoft.VisualStudio.FSharp.Editor
open FSharp.Compiler.EditorServices
open FSharp.Compiler.Text
open Microsoft.CodeAnalysis.Text
open Microsoft.CodeAnalysis.Classification
open FSharp.Editor.Tests.Helpers
open FSharp.Test
open Microsoft.VisualStudio.FSharp.Editor.CancellableTasks
type SemanticClassificationServiceTests() =
let getRanges (source: string) : SemanticClassificationItem list =
asyncMaybe {
let! ct = Async.CancellationToken |> liftAsync
let document =
RoslynTestHelpers.CreateSolution(source) |> RoslynTestHelpers.GetSingleDocument
let! _, checkFileResults =
document.GetFSharpParseAndCheckResultsAsync("SemanticClassificationServiceTests")
|> CancellableTask.start ct
return checkFileResults.GetSemanticClassification(None)
}
|> Async.RunSynchronously
|> Option.toList
|> List.collect Array.toList
let verifyClassificationAtEndOfMarker (fileContents: string, marker: string, classificationType: string) =
let text = SourceText.From(fileContents)
let ranges = getRanges fileContents
let line =
text.Lines.GetLinePosition(fileContents.IndexOf(marker) + marker.Length - 1)
let markerPos =
Position.mkPos (Line.fromZ line.Line) (line.Character + marker.Length - 1)
match ranges |> List.tryFind (fun item -> Range.rangeContainsPos item.Range markerPos) with
| None -> failwith "Cannot find colorization data for end of marker"
| Some item ->
let actual = FSharpClassificationTypes.getClassificationTypeName item.Type
actual
|> Assert.shouldBeEqualWith
classificationType
$"Classification data doesn't match for end of marker: {classificationType} ≠ {actual} ({item.Type})"
let verifyNoClassificationDataAtEndOfMarker (fileContents: string, marker: string, classificationType: string) =
let text = SourceText.From(fileContents)
let ranges = getRanges fileContents
let line =
text.Lines.GetLinePosition(fileContents.IndexOf(marker) + marker.Length - 1)
let markerPos =
Position.mkPos (Line.fromZ line.Line) (line.Character + marker.Length - 1)
let anyData =
ranges
|> List.exists (fun item ->
Range.rangeContainsPos item.Range markerPos
&& ((FSharpClassificationTypes.getClassificationTypeName item.Type) = classificationType))
Assert.False(anyData, "Classification data was found when it wasn't expected.")
[<Theory>]
[<InlineData("(*1*)", ClassificationTypeNames.StructName)>]
[<InlineData("(*2*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*3*)", ClassificationTypeNames.StructName)>]
[<InlineData("(*4*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*5*)", ClassificationTypeNames.StructName)>]
[<InlineData("(*6*)", ClassificationTypeNames.StructName)>]
[<InlineData("(*7*)", ClassificationTypeNames.ClassName)>]
member _.Measured_Types(marker: string, classificationType: string) =
verifyClassificationAtEndOfMarker (
"""#light (*Light*)
open System
[<MeasureAnnotatedAbbreviation>] type (*1*)Guid<[<Measure>] 'm> = Guid
[<MeasureAnnotatedAbbreviation>] type (*2*)string<[<Measure>] 'm> = string
let inline cast<'a, 'b> (a : 'a) : 'b = (# "" a : 'b #)
type Uom =
static member inline tag<[<Measure>]'m> (x : Guid) : (*3*)Guid<'m> = cast x
static member inline tag<[<Measure>]'m> (x : string) : (*4*)string<'m> = cast x
type [<Measure>] Ms
let i: (*5*)int<Ms> = 1<Ms>
let g: (*6*)Guid<Ms> = Uom.tag Guid.Empty
let s: (*7*)string<Ms> = Uom.tag "foo" """,
marker,
classificationType
)
[<Theory>]
[<InlineData("(*1*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*2*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*3*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*4*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*5*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*6*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*7*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*8*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*9*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*10*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*11*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*12*)", FSharpClassificationTypes.MutableVar)>]
member _.MutableValues(marker: string, classificationType: string) =
let sourceText =
"""
type R1 = { mutable (*1*)Doop: int}
let r1 = { (*2*)Doop = 12 }
r1.Doop
let mutable (*3*)first = 12
printfn "%d" (*4*)first
let g ((*5*)xRef: outref<int>) = (*6*)xRef <- 12
let f() =
let (*7*)second = &first
let (*8*)third: outref<int> = &first
printfn "%d%d" (*9*)second (*10*)third
type R = { (*11*)MutableField: int ref }
let r = { (*12*)MutableField = ref 12 }
r.MutableField
r.MutableField := 3
"""
verifyClassificationAtEndOfMarker (sourceText, marker, classificationType)
[<Theory>]
[<InlineData("(*1*)", FSharpClassificationTypes.DisposableType)>]
[<InlineData("(*2*)", FSharpClassificationTypes.DisposableTopLevelValue)>]
[<InlineData("(*3*)", FSharpClassificationTypes.DisposableType)>]
[<InlineData("(*4*)", FSharpClassificationTypes.DisposableTopLevelValue)>]
[<InlineData("(*5*)", FSharpClassificationTypes.DisposableLocalValue)>]
[<InlineData("(*6*)", FSharpClassificationTypes.DisposableType)>]
[<InlineData("(*7*)", FSharpClassificationTypes.DisposableLocalValue)>]
member _.Disposables(marker: string, classificationType: string) =
let sourceText =
"""
open System
type (*1*)Disposable() =
interface IDisposable with
member _.Dispose() = ()
let (*2*)topLevel1 = new (*3*)Disposable()
let (*4*)topLevel2 = { new IDisposable with member _.Dispose() = () }
let f() =
let (*5*)local1 = new (*6*)Disposable()
let (*7*)local2 = { new IDisposable with member _.Dispose() = () }
()
"""
verifyClassificationAtEndOfMarker (sourceText, marker, classificationType)
[<Theory>]
[<InlineData("(*1*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*2*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*3*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*4*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*5*)", FSharpClassificationTypes.MutableVar)>]
[<InlineData("(*6*)", FSharpClassificationTypes.MutableVar)>]
member _.NoInrefsExpected(marker: string, classificationType: string) =
let sourceText =
"""
let f (item: (*1*)inref<int>) = printfn "%d" (*2*)item
let g() =
let x = 1
let y = 2
let (*3*)xRef = &x
let (*4*)yRef: inref<int> = &y
f (*5*)&xRef
f (*6*)&yRef
"""
verifyNoClassificationDataAtEndOfMarker (sourceText, marker, classificationType)
[<Theory>]
[<InlineData("(*1*)", ClassificationTypeNames.Keyword)>]
[<InlineData("(*2*)", ClassificationTypeNames.Keyword)>]
[<InlineData("(*3*)", ClassificationTypeNames.Keyword)>]
[<InlineData("(*4*)", ClassificationTypeNames.LocalName)>]
[<InlineData("(*5*)", ClassificationTypeNames.LocalName)>]
[<InlineData("(*6*)", ClassificationTypeNames.LocalName)>]
[<InlineData("(*7*)", ClassificationTypeNames.Identifier)>]
[<InlineData("(*8*)", ClassificationTypeNames.Identifier)>]
[<InlineData("(*9*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*10*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*11*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*12*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*13*)", ClassificationTypeNames.ClassName)>]
[<InlineData("(*14*)", ClassificationTypeNames.TypeParameterName)>]
[<InlineData("(*15*)", ClassificationTypeNames.TypeParameterName)>]
[<InlineData("(*16*)", ClassificationTypeNames.Keyword)>]
[<InlineData("(*17*)", ClassificationTypeNames.Keyword)>]
[<InlineData("(*18*)", ClassificationTypeNames.Keyword)>]
member _.``nameof ident, nameof<'T>, match … with nameof ident``(marker: string, classificationType: string) =
let sourceText =
"""
module ``Normal usage of nameof should show up as a keyword`` =
let f x = (*1*)nameof x
let g (x : 'T) = (*2*)nameof<'T>
let h x y = match x with (*3*)nameof y -> () | _ -> ()
module ``Redefined nameof should shadow the intrinsic one`` =
let a x = match x with (*4*)nameof -> ()
let b (*5*)nameof = (*6*)nameof
let (*7*)nameof = "redefined"
let _ = (*8*)nameof
type (*9*)nameof () = class end
let _ = (*10*)nameof ()
let _ = new (*11*)nameof ()
module (*12*)nameof =
let f x = x
let _ = (*13*)nameof.f 3
let c (x : '(*14*)nameof) = x
let d (x : (*15*)'nameof) = x
module ``It should still show up as a keyword even if the type parameter is invalid`` =
let _ = (*16*)nameof<>
let a (x : 'a) (y : 'b) = (*17*)nameof<'c> // FS0039: The type parameter 'c is not defined.
let _ = (*18*)nameof<int> // FS3250: Expression does not have a name.
"""
verifyClassificationAtEndOfMarker (sourceText, marker, classificationType)