From f14eb9199f4e1aee49594e590c08996244bb77b3 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Sun, 28 Sep 2025 21:56:32 +0300
Subject: Add slash toggle for completions

---
 internal/lsp/completion_toggle_test.go | 46 ++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 internal/lsp/completion_toggle_test.go

(limited to 'internal/lsp/completion_toggle_test.go')

diff --git a/internal/lsp/completion_toggle_test.go b/internal/lsp/completion_toggle_test.go
new file mode 100644
index 0000000..57ee1fd
--- /dev/null
+++ b/internal/lsp/completion_toggle_test.go
@@ -0,0 +1,46 @@
+package lsp
+
+import (
+	"bytes"
+	"encoding/json"
+	"strings"
+	"testing"
+)
+
+func TestHandleCompletionRespectsDisableCommand(t *testing.T) {
+	s := newTestServer()
+	var buf bytes.Buffer
+	s.out = &buf
+
+	// Disable completions and trigger handler
+	s.setCompletionsDisabled(true)
+
+	params := CompletionParams{TextDocument: TextDocumentIdentifier{URI: "file:///test.go"}, Position: Position{Line: 0, Character: 0}}
+	req := Request{JSONRPC: "2.0", ID: json.RawMessage("1"), Method: "textDocument/completion", Params: mustJSON(params)}
+
+	s.handleCompletion(req)
+
+	payload := buf.String()
+	parts := strings.SplitN(payload, "\r\n\r\n", 2)
+	if len(parts) != 2 {
+		t.Fatalf("unexpected response framing: %q", payload)
+	}
+	var resp Response
+	if err := json.Unmarshal([]byte(parts[1]), &resp); err != nil {
+		t.Fatalf("unmarshal response: %v", err)
+	}
+	resultMap, ok := resp.Result.(map[string]any)
+	if !ok {
+		t.Fatalf("expected map result, got %T", resp.Result)
+	}
+	switch v := resultMap["items"].(type) {
+	case []any:
+		if len(v) != 0 {
+			t.Fatalf("expected no completion items when disabled, got %d", len(v))
+		}
+	case nil:
+		// ok: encoder emitted null for slice
+	default:
+		t.Fatalf("expected items slice or null, got %T", v)
+	}
+}
-- 
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