test(ai-toolbar): cover paste gating behavior

src/components/ai-toolbar.tsx

@@ -94,6 +94,22 @@ interface AIToolbarProps {
 	events: CalendarEvent[];
 }
 
+interface GlobalPasteCaptureGate {
+	isAuthenticated: boolean;
+	isPending: boolean;
+	canUseAi: boolean;
+	aiLoading: boolean;
+}
+
+export function shouldEnableGlobalPasteCapture({
+	isAuthenticated,
+	isPending,
+	canUseAi,
+	aiLoading,
+}: GlobalPasteCaptureGate): boolean {
+	return isAuthenticated && !isPending && canUseAi && !aiLoading;
+}
+
 // ─── Component ────────────────────────────────────────────────────────────────
 
 export const AIToolbar = ({
@@ -154,7 +170,15 @@ export const AIToolbar = ({
 	//                      focused element or OS clipboard model (X11/Wayland).
 	//                      This is the approach used by Excalidraw's actionPaste.
 	useEffect(() => {
-		if (!isAuthenticated || isPending || !canUseAi || aiLoading) return;
+		if (
+			!shouldEnableGlobalPasteCapture({
+				isAuthenticated,
+				isPending,
+				canUseAi,
+				aiLoading,
+			})
+		)
+			return;
 
 		// ── Handler 1: paste event (works when textarea is NOT focused) ───────
 		const handleDocumentPaste = (e: ClipboardEvent) => {

tests/ai-toolbar.test.ts

@@ -1,5 +1,6 @@
 import { describe, expect, test } from "bun:test";
 import { readFileSync } from "node:fs";
+import { shouldEnableGlobalPasteCapture } from "@/components/ai-toolbar";
 import { buttonVariants } from "@/components/ui/button";
 import { getAiDisabledMessage } from "@/lib/ai-feature-flags";
 import { cn } from "@/lib/utils";
@@ -325,14 +326,50 @@ describe("Keyboard shortcuts – toolbar integration contract", () => {
 
 describe("Global paste capture – AI availability gate", () => {
 	test("document-level paste handlers only arm when AI is actually usable", () => {
-		const source = readToolbarSource();
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: false,
+				canUseAi: true,
+				aiLoading: false,
+			}),
+		).toBe(true);
 
-		expect(source).toContain(
+		expect(
-			"if (!isAuthenticated || isPending || !canUseAi || aiLoading) return;",
+			shouldEnableGlobalPasteCapture({
-		);
+				isAuthenticated: false,
-		expect(source).toContain(
+				isPending: false,
-			"}, [isAuthenticated, isPending, canUseAi, aiLoading]);",
+				canUseAi: true,
-		);
+				aiLoading: false,
+			}),
+		).toBe(false);
+
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: true,
+				canUseAi: true,
+				aiLoading: false,
+			}),
+		).toBe(false);
+
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: false,
+				canUseAi: false,
+				aiLoading: false,
+			}),
+		).toBe(false);
+
+		expect(
+			shouldEnableGlobalPasteCapture({
+				isAuthenticated: true,
+				isPending: false,
+				canUseAi: true,
+				aiLoading: true,
+			}),
+		).toBe(false);
 	});
 });