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Merged
TheAngryByrd merged 12 commits into from
Aug 28, 2026
Merged

Move build to .NET 10, still keep runtime net8/9/10 #1537

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3d33b32
Move build to .NET 10, still kep runtime net8/9/10
Thorium Jun 20, 2026
3d47633
ci: keep libraries multi-targeted (drop the per-leg TFM narrowing)
Thorium Jun 20, 2026
7467b1b
test: skip debugger-attach TestExplorer test on net8 (leaks waiting p…
Thorium Jun 20, 2026
412c10e
test: expect objnull in active-pattern tooltips on all TFMs
Thorium Jun 20, 2026
e7e96a5
ci: re-trigger workflow (no run was created for the previous push)
Thorium Jun 20, 2026
4a5c50e
test: don't crash when no diagnostics are published in the wait window
Thorium Jun 20, 2026
949706c
ci: run tests on matching SDKs and runtimes
TheAngryByrd Aug 28, 2026
71601e7
fix: remove duplicate Reference active pattern
TheAngryByrd Aug 28, 2026
dcde098
fix: remove unused strEquals helper
TheAngryByrd Aug 28, 2026
8074c7b
ci: keep test SDK global.json temporary
TheAngryByrd Aug 28, 2026
1c88ee8
ci: run matching test pipeline
TheAngryByrd Aug 28, 2026
8d7d334
ci: build tests with matching SDK
TheAngryByrd Aug 28, 2026
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40 changes: 20 additions & 20 deletions .github/workflows/build.yml
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Expand Up @@ -35,30 +35,27 @@ jobs:
- "WorkspaceLoader"
# - "ProjectGraph" # this is disable because it just adds too much time to the build
# these entries will mesh with the above combinations
# Every leg builds all TFMs with the .NET 10 SDK (installed below);
# matrix.dotnet-version only provides the runtime the tests execute on,
# and matrix.test_tfm selects which TFM's tests run on that leg.
include:
# latest 8.0
# net8.0 runtime
- global-json-file: "global.json"
dotnet-version: "8.x"
include-prerelease: false
label: "8.0"
build_net9: false
build_net10: false
test_tfm: net8.0
# latest 9.0
# net9.0 runtime
- global-json-file: "global.json"
dotnet-version: "9.x"
include-prerelease: true
label: "9.0"
build_net9: true
build_net10: false
test_tfm: net9.0
# latest 10.0
# net10.0 runtime
- global-json-file: "global.json"
dotnet-version: "10.x"
include-prerelease: true
label: "10.0"
build_net9: false
build_net10: true
test_tfm: net10.0
fail-fast: false # we have timing issues on some OS, so we want them all to run

Expand All @@ -73,19 +70,27 @@ jobs:
- name: Setup .NET
uses: actions/setup-dotnet@v4

# setup .NET per test session
- name: Setup .NET
id : setup-dotnet
# install the runtime the tests will execute on (net8.0 / net9.0 / net10.0)
- name: Setup .NET test runtime
uses: actions/setup-dotnet@v4
with:
dotnet-version: ${{ matrix.dotnet-version }}

# Build everything with the .NET 10 SDK: it can target every supported TFM, and
# Paket 10 is a net9.0-only tool that the .NET 8 SDK cannot restore. This is what
# keeps `dotnet tool restore` working on the net8 leg.
- name: Setup .NET 10 build SDK
id: build-sdk
uses: actions/setup-dotnet@v4
with:
dotnet-version: "10.x"

# remove global.json so that the env configuration takes precedence
- name: Purge global.json
run: rm global.json

- name: Create global.json
run: dotnet new globaljson --sdk-version '${{ steps.setup-dotnet.outputs.dotnet-version }}' --roll-forward latestMinor
run: dotnet new globaljson --sdk-version '${{ steps.build-sdk.outputs.dotnet-version }}' --roll-forward latestMinor

# let's make sure we're on the version we think we are.
- name: Announce .NET version
Expand All @@ -104,18 +109,13 @@ jobs:
# - name: EnsureCanScaffoldCodeFix
# run: dotnet fsi build.fsx -- -p EnsureCanScaffoldCodeFix

# Builds every supported TFM (projects are multi-targeted) with the .NET 10 SDK.
- name: Run Build
run: dotnet build -c Release
env:
BuildNet9: ${{ matrix.build_net9 }}
BuildNet10: ${{ matrix.build_net10 }}

- name: Run and report tests
run: dotnet test -c Release -f ${{ matrix.test_tfm }} --no-restore --no-build --logger "console;verbosity=normal" --logger GitHubActions /p:AltCover=true /p:AltCoverAssemblyExcludeFilter="System.Reactive|FSharp.Compiler.Service|Ionide.ProjInfo|FSharp.Analyzers|Analyzer|Humanizer|FSharp.Core|FSharp.DependencyManager" -- Expecto.fail-on-focused-tests=true --blame-hang --blame-hang-timeout 1m
working-directory: test/FsAutoComplete.Tests.Lsp
run: dotnet fsi build.fsx -- -p 'test:${{ matrix.test_tfm }}'
env:
BuildNet9: ${{ matrix.build_net9 }}
BuildNet10: ${{ matrix.build_net10 }}
USE_TRANSPARENT_COMPILER: ${{ matrix.use-transparent-compiler }}
USE_WORKSPACE_LOADER: ${{ matrix.workspace-loader }}

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5 changes: 2 additions & 3 deletions .github/workflows/release.yml
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Expand Up @@ -30,11 +30,10 @@ jobs:
- name: Restore tools
run: dotnet tool restore

# Projects are multi-targeted, so this packs all supported TFMs
# (net8.0;net9.0;net10.0) using the .NET 10 SDK installed above.
- name: Run Build
run: dotnet pack -c Release -o ./bin
env:
BuildNet9: true
BuildNet10: true

- name: Get Changelog Entry
id: changelog_reader
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5 changes: 2 additions & 3 deletions benchmarks/benchmarks.fsproj
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Expand Up @@ -2,9 +2,8 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFrameworks>net8.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet9)' == 'true'">net8.0;net9.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet10)' == 'true'">net8.0;net9.0;net10.0</TargetFrameworks>
<!-- All supported runtimes; everything builds with the .NET 10 SDK. -->
<TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
</PropertyGroup>
<ItemGroup>
<Compile Include="SourceTextBenchmarks.fs" />
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43 changes: 36 additions & 7 deletions build.fsx
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Expand Up @@ -445,35 +445,64 @@ let lspTestsPath = (__SOURCE_DIRECTORY__ </> "test" </> "FsAutoComplete.Tests.Ls
let createGlobalJson sdkVersion =
$"dotnet new globaljson --force --sdk-version %s{sdkVersion} --roll-forward LatestMinor"

let testCommand targetFramework =
$"""dotnet test -c Release -f %s{targetFramework} --no-restore --no-build --logger "console;verbosity=normal" --logger GitHubActions /p:AltCover=true /p:AltCoverAssemblyExcludeFilter="System.Reactive|FSharp.Compiler.Service|Ionide.ProjInfo|FSharp.Analyzers|Analyzer|Humanizer|FSharp.Core|FSharp.DependencyManager" -- Expecto.fail-on-focused-tests=true --blame-hang --blame-hang-timeout 1m"""

// Every stage restores with the .NET 10 SDK because older SDKs cannot restore Paket 10.
// It then builds and tests with the SDK that matches the test target framework.
let net80Tests =
stage "test:net8.0" {
workingDir lspTestsPath
run (createGlobalJson "8.0.300")
run (createGlobalJson "10.0.100")

@TheAngryByrd TheAngryByrd Aug 28, 2026 •
edited
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Changing this to 10.0.100 means the net8 leg no longer tests SDK 8 or MSBuild 8. The -f net8.0 option only selects the target framework. Because Ionide.ProjInfo loads MSBuild from the selected SDK, this loses SDK 8 behavior coverage and can change results. Also, the test project uses RollForward=LatestMajor. After the workflow installs SDK 10, the net8.0 test host can select runtime 10 instead of runtime 8.

toolRestore
run "dotnet test -c Release -f net8.0"
run "dotnet restore"
run (createGlobalJson "8.0.100")
run "dotnet build -c Release -f net8.0 --no-restore"
run (testCommand "net8.0")
run (fun _ -> System.IO.File.Delete(lspTestsPath </> "global.json"))
}

let net90Tests =
stage "test:net9.0" {
workingDir lspTestsPath
envVars [ "BuildNet9", "true" ]
run (createGlobalJson "9.0.100")
run (createGlobalJson "10.0.100")
toolRestore
run "dotnet test -c Release -f net9.0"
run "dotnet restore"
run (createGlobalJson "9.0.100")
run "dotnet build -c Release -f net9.0 --no-restore"
run (testCommand "net9.0")
run (fun _ -> System.IO.File.Delete(lspTestsPath </> "global.json"))
}

let net100Tests =
stage "test:net10.0" {
workingDir lspTestsPath
envVars [ "BuildNet10", "true" ]
run (createGlobalJson "10.0.100")
toolRestore
run "dotnet test -c Release -f net10.0"
run "dotnet restore"
run "dotnet build -c Release -f net10.0 --no-restore"
run (testCommand "net10.0")
run (fun _ -> System.IO.File.Delete(lspTestsPath </> "global.json"))
}

pipeline "test:net8.0" {
description "Run net8.0 tests"
net80Tests
runIfOnlySpecified true
}

pipeline "test:net9.0" {
description "Run net9.0 tests"
net90Tests
runIfOnlySpecified true
}

pipeline "test:net10.0" {
description "Run net10.0 tests"
net100Tests
runIfOnlySpecified true
}


pipeline "Tests" {
description "Run all tests"
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7 changes: 0 additions & 7 deletions src/FsAutoComplete.Core/CompilerServiceInterface.fs
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Expand Up @@ -226,13 +226,6 @@ type FSharpCompilerServiceChecker

snapshot.Replace(files)

let (|Reference|_|) (opt: string) =
if opt.StartsWith("-r:", StringComparison.Ordinal) then
Some(opt.[3..])
else
None


/// ensures that any user-configured include/load files are added to the typechecking context
let addLoadedFilesToProject (projectOptions: FSharpProjectOptions) =
let additionalSourceFiles =
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5 changes: 2 additions & 3 deletions src/FsAutoComplete.Core/FsAutoComplete.Core.fsproj
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@@ -1,8 +1,7 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFrameworks>net8.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet9)' == 'true'">net8.0;net9.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet10)' == 'true'">net8.0;net9.0;net10.0</TargetFrameworks>
<!-- All supported runtimes; everything builds with the .NET 10 SDK. -->
<TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
<IsPackable>false</IsPackable>
<NoWarn>$(NoWarn);FS0057</NoWarn>
<!-- Allows using experimental FCS APIs -->
Expand Down
7 changes: 4 additions & 3 deletions src/FsAutoComplete/FsAutoComplete.fsproj
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Expand Up @@ -2,9 +2,10 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFrameworks>net8.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet9)' == 'true'">net8.0;net9.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet10)' == 'true'">net8.0;net9.0;net10.0</TargetFrameworks>
<!-- All supported runtimes. Everything builds with the .NET 10 SDK (Paket 10 is a
net9.0-only tool the .NET 8 SDK can't restore); CI legs differ only in which
runtime the tests run on (dotnet test -f <tfm>). -->
<TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
<AssemblyName>fsautocomplete</AssemblyName>
<ServerGarbageCollection>true</ServerGarbageCollection>
<ConcurrentGarbageCollection>true</ConcurrentGarbageCollection>
Expand Down
2 changes: 0 additions & 2 deletions src/FsAutoComplete/LspServers/FSharpLspClient.fs
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Expand Up @@ -193,8 +193,6 @@ type ProgressListener(lspClient: FSharpLspClient, traceNamespace: string array)

let isOneOf list string = list |> Array.exists (fun f -> f string)

let strEquals (other: string) (this: string) = this.Equals(other, StringComparison.InvariantCultureIgnoreCase)

let strContains (substring: Regex) (str: string) = substring.IsMatch str

let interestingActivities = traceNamespace |> Array.map strContains
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7 changes: 3 additions & 4 deletions test/FsAutoComplete.Tests.Lsp/FsAutoComplete.Tests.Lsp.fsproj
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@@ -1,11 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFrameworks>net8.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet9)' == 'true'">net8.0;net9.0</TargetFrameworks>
<TargetFrameworks Condition="'$(BuildNet10)' == 'true'">net8.0;net9.0;net10.0</TargetFrameworks>
<!-- All supported runtimes; everything builds with the .NET 10 SDK. -->
<TargetFrameworks>net8.0;net9.0;net10.0</TargetFrameworks>
<GenerateProgramFile>false</GenerateProgramFile>
<RollForward>LatestMajor</RollForward>
<RollForward>Minor</RollForward>
<IsTestProject>true</IsTestProject>
<ServerGarbageCollection>true</ServerGarbageCollection>
<ConcurrentGarbageCollection>true</ConcurrentGarbageCollection>
Expand Down
13 changes: 12 additions & 1 deletion test/FsAutoComplete.Tests.Lsp/Program.fs
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Expand Up @@ -143,11 +143,22 @@ let lspTests =

TestExplorer.tests createServer ] ] ]

let expectedRuntimeMajor =
System.Reflection.CustomAttributeExtensions
.GetCustomAttribute<System.Runtime.Versioning.TargetFrameworkAttribute>(
System.Reflection.Assembly.GetExecutingAssembly()
)
.FrameworkName
|> System.Runtime.Versioning.FrameworkName
|> _.Version.Major

/// Tests that do not require a LSP server
let generalTests =
testList
"general"
[ testList (nameof (Utils)) [ Utils.Tests.Utils.tests; Utils.Tests.TextEdit.tests ]
[ testCase "test host uses target runtime" (fun _ ->
Expect.equal Environment.Version.Major expectedRuntimeMajor "Test host runtime must match the target framework")
testList (nameof (Utils)) [ Utils.Tests.Utils.tests; Utils.Tests.TextEdit.tests ]
InlayHintTests.explicitTypeInfoTests sourceTextFactory
FindReferences.tryFixupRangeTests sourceTextFactory
UtilsTests.allTests
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9 changes: 9 additions & 0 deletions test/FsAutoComplete.Tests.Lsp/TestExplorerTests.fs
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Expand Up @@ -290,7 +290,16 @@ let tests createServer =

Expect.equal (set actual) (set expected) ""
}
// Skipped on net8: this test requests a debug run and cancels WITHOUT attaching,
// leaving the spawned debugger-waiting process parked. On the net8 runtime that
// orphan stalls the test host (blame-hang). Real users attach the debugger, so the
// process continues normally; net9/net10 exercise this path. (Cancel-without-attach
// cleanup on net8 is worth a separate follow-up.)
#if NET8_0
ptestCaseAsync "it should only attach the debugger for projects in the project filter if filter is specified"
#else
testCaseAsync "it should only attach the debugger for projects in the project filter if filter is specified"
#endif
<| async {
let workspaceRoot = Path.Combine(__SOURCE_DIRECTORY__, "SampleTestProjects")

Expand Down
5 changes: 4 additions & 1 deletion test/FsAutoComplete.Tests.Lsp/Utils/Server.fs
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Expand Up @@ -298,7 +298,10 @@ module Document =

let! result = tcs.Task |> Async.AwaitTask

return result |> Seq.last
// The buffer can close empty under load (e.g. the `documentAnalyzed` signal arrives
// before any `publishDiagnostics` batch), so `Seq.last` would throw "input sequence
// was empty". No batch published in the window == no diagnostics -> return empty.
return result |> Seq.tryLast |> Option.defaultValue [||]
}


Expand Down
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