From 26235e94182a39525c500482c2ba6b5334595459 Mon Sep 17 00:00:00 2001
From: Jeremy Day <jeremy@thebrowser.company>
Date: Thu, 18 Jan 2024 12:22:31 -0800
Subject: [PATCH] Add sourcekit-lsp initialization smoke test

---
 .github/workflows/swift-toolchain.yml      | 10 ++++++++++
 tests/sourcekit-lsp-initialization-message | 11 +++++++++++
 2 files changed, 21 insertions(+)
 create mode 100644 tests/sourcekit-lsp-initialization-message

diff --git a/.github/workflows/swift-toolchain.yml b/.github/workflows/swift-toolchain.yml
index e1b22d2cc..8ec68d2eb 100644
--- a/.github/workflows/swift-toolchain.yml
+++ b/.github/workflows/swift-toolchain.yml
@@ -2306,6 +2306,16 @@ jobs:
       - run: swift test -Xswiftc -DENABLE_TESTING
         working-directory: ${{ github.workspace }}/SourceCache/swift-win32
 
+      - name: Test that sourcekit-lsp initializes
+        working-directory: ${{ github.workspace }}/SourceCache/swift-win32
+        run: |
+          $diagnosticOutput = $( $output = & ${{ github.workspace }}/tests/sourcekit-lsp-initialization-message | sourcekit-lsp.exe ) 2>&1
+          if (-not ($diagnosticOutput -Match "Succeeded") -or -not ($diagnosticOutput -Match "InitializeResult")) {
+            Write-Host "sourcekit-lsp failed to initialize"
+            Write-Host $diagnosticOutput
+            exit 1
+          }
+
   snapshot:
     runs-on: ubuntu-latest
     needs: [context, smoke_test]
diff --git a/tests/sourcekit-lsp-initialization-message b/tests/sourcekit-lsp-initialization-message
new file mode 100644
index 000000000..bef2779e5
--- /dev/null
+++ b/tests/sourcekit-lsp-initialization-message
@@ -0,0 +1,11 @@
+Content-Length: 152
+
+{
+    "jsonrpc": "2.0",
+    "id": 0,
+    "method": "initialize",
+    "params": {
+        "capabilities": {},
+        "trace": "verbose",
+    }
+}
\ No newline at end of file