SnowLuma v2.4.2 source snapshot

packages/webui/tests/clipboard.test.ts

@@ -0,0 +1,56 @@
+import { afterEach, describe, expect, it, vi } from 'vitest';
+import { copyText } from '../src/lib/utils';
+
+afterEach(() => vi.unstubAllGlobals());
+
+describe('copyText', () => {
+    it('uses the clipboard API without creating a temporary element', async () => {
+        const writeText = vi.fn().mockResolvedValue(undefined);
+        vi.stubGlobal('navigator', { clipboard: { writeText } });
+        vi.stubGlobal('document', undefined);
+
+        await expect(copyText('hello')).resolves.toBe(true);
+        expect(writeText).toHaveBeenCalledWith('hello');
+    });
+
+    it.each(['success', 'rejected', 'focus throws', 'copy throws'])(
+        'removes the temporary element after legacy copy: %s',
+        async (outcome) => {
+            const children = new Set<unknown>();
+            const host = {
+                appendChild: (child: unknown) => children.add(child),
+                removeChild: (child: unknown) => children.delete(child),
+            };
+            const textarea = {
+                value: '',
+                style: {},
+                setAttribute: vi.fn(),
+                setSelectionRange: vi.fn(),
+                focus: () => {
+                    if (outcome === 'focus throws') {
+                        throw new Error('focus unavailable');
+                    }
+                },
+                remove: () => children.delete(textarea),
+            };
+            vi.stubGlobal('navigator', {
+                clipboard: { writeText: vi.fn().mockRejectedValue(new Error('permission denied')) },
+            });
+            vi.stubGlobal('document', {
+                body: host,
+                createElement: () => textarea,
+                querySelector: () => host,
+                execCommand: () => {
+                    if (outcome === 'copy throws') {
+                        throw new Error('copy unavailable');
+                    }
+
+                    return outcome === 'success';
+                },
+            });
+
+            await expect(copyText('hello')).resolves.toBe(outcome === 'success');
+            expect(children.size).toBe(0);
+        },
+    );
+});