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path: root/internal/lsp/llm_busy_test.go
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package lsp

import (
	"encoding/json"
	"testing"
)

// Ensure a visible busy item is returned when a prior LLM request is in flight.
func TestLLMBusy_YieldsBusyCompletionItem(t *testing.T) {
	s := &Server{maxTokens: 32, triggerChars: []string{"."}, compCache: make(map[string]string)}
	s.llmClient = &countingLLM{}
	// Mark busy
	s.setLLMBusy(true)
	t.Cleanup(func() { s.setLLMBusy(false) })
	line := "obj."
	p := CompletionParams{Position: Position{Line: 0, Character: len(line)}, TextDocument: TextDocumentIdentifier{URI: "file://busy.go"}}
	// Simulate manual invoke to bypass min-prefix
	p.Context = json.RawMessage([]byte(`{"triggerKind":1}`))
	items, ok := s.tryLLMCompletion(p, "", line, "", "", "", false, "")
	if !ok {
		t.Fatalf("expected ok=true")
	}
	if len(items) != 1 {
		t.Fatalf("expected one busy item, got %d", len(items))
	}
	if items[0].InsertText != "" {
		t.Fatalf("busy item should not insert text")
	}
	if items[0].Label == "" {
		t.Fatalf("busy item should have a label")
	}
}