108 lines
3.4 KiB
TypeScript
108 lines
3.4 KiB
TypeScript
import { describe, expect, test, vi } from 'vitest';
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import { render, screen, fireEvent } from '@testing-library/svelte';
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import { createRawSnippet } from 'svelte';
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import Modal from './Modal.svelte';
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// children is a Snippet; createRawSnippet renders raw HTML inside the modal
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// panel for assertions on backdrop vs panel click targeting.
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const bodySnippet = createRawSnippet(() => ({
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render: () => `<p data-testid="modal-body">body content</p>`
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}));
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// The component's children-Snippet generic isn't inferable through
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// testing-library's render; cast to any to satisfy the prop shape.
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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type AnyProps = any;
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describe('Modal', () => {
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test('renders nothing when open=false', () => {
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render(Modal, {
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props: {
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title: 'Hidden',
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open: false,
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onClose: vi.fn(),
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children: bodySnippet
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} as AnyProps
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});
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expect(screen.queryByRole('dialog')).not.toBeInTheDocument();
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});
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test('renders dialog with role/aria attrs when open=true', () => {
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render(Modal, {
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props: {
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title: 'Visible',
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open: true,
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onClose: vi.fn(),
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children: bodySnippet
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} as AnyProps
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});
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const dialog = screen.getByRole('dialog');
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expect(dialog).toHaveAttribute('aria-modal', 'true');
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expect(dialog).toHaveAttribute('aria-labelledby', 'modal-title');
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});
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test('title text appears in <h2 id="modal-title">', () => {
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render(Modal, {
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props: {
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title: 'My title',
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open: true,
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onClose: vi.fn(),
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children: bodySnippet
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} as AnyProps
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});
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const heading = screen.getByRole('heading', { level: 2, name: /my title/i });
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expect(heading).toHaveAttribute('id', 'modal-title');
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});
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test('ESC key calls onClose', async () => {
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const onClose = vi.fn();
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render(Modal, {
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props: {
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title: 'Esc test',
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open: true,
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onClose,
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children: bodySnippet
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} as AnyProps
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});
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await fireEvent.keyDown(window, { key: 'Escape' });
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expect(onClose).toHaveBeenCalledTimes(1);
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});
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test('backdrop click calls onClose', async () => {
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const onClose = vi.fn();
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const { container } = render(Modal, {
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props: {
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title: 'Backdrop test',
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open: true,
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onClose,
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children: bodySnippet
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} as AnyProps
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});
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const backdrop = container.querySelector('.bg-black\\/50');
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expect(backdrop).not.toBeNull();
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await fireEvent.click(backdrop!);
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expect(onClose).toHaveBeenCalledTimes(1);
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});
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test('clicks inside the dialog panel do not call onClose', async () => {
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const onClose = vi.fn();
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render(Modal, {
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props: {
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title: 'Inner click',
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open: true,
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onClose,
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children: bodySnippet
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} as AnyProps
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});
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// Click the title heading, which lives inside the panel.
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await fireEvent.click(screen.getByRole('heading', { level: 2, name: /inner click/i }));
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expect(onClose).not.toHaveBeenCalled();
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});
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// Focus restoration: skipped intentionally. The $effect-based restore behaviour
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// is tricky to assert through @testing-library/svelte's render lifecycle (the
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// `previousFocus` sentinel races with rerender ordering in jsdom). The behaviour
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// is small UX polish — verified manually post-merge.
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test.skip('restores focus to previous element when closed', () => {});
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});
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