61 lines
2.5 KiB
TypeScript
61 lines
2.5 KiB
TypeScript
import { readFileSync } from 'node:fs';
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import { renderToStaticMarkup } from 'react-dom/server';
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import { describe, expect, it } from 'vitest';
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import { DonutMetricCard } from '../../src/components/DonutMetricCard/DonutMetricCard';
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const styles = readFileSync(new URL('../../src/styles/components.css', import.meta.url), 'utf8');
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const tokens = readFileSync(new URL('../../src/styles/ui-tokens.css', import.meta.url), 'utf8');
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describe('DonutMetricCard binding design contract', () => {
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it('renders the reference card structure, 270-degree progress and visible values', () => {
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const html = renderToStaticMarkup(
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<DonutMetricCard label="Deviation" value={453} percentage={51} tone="deviation" />
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);
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expect(html).toContain('class="donut-metric-card donut-metric-card--deviation"');
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expect(html).toContain('class="donut-metric-card__title">Deviation</h3>');
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expect(html).toContain('stroke-dasharray="75 25"');
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expect(html).toContain('stroke-dasharray="38.25 61.75"');
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expect(html).toContain('<strong>453</strong>');
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expect(html).toContain('<span>51%</span>');
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expect(html).toContain('--donut-progress-dash:38.25 61.75');
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expect(styles).toContain('@keyframes donut-progress-build');
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expect(styles).toContain('@keyframes donut-accent-build');
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expect(styles).toContain('animation: donut-progress-build var(--dur-data-build) var(--ease-data-build) both;');
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expect(tokens).toContain('--dur-data-build: 700ms;');
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});
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it('renders an empty progress arc at zero and clamps percentages', () => {
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const zero = renderToStaticMarkup(
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<DonutMetricCard label="Error" value={2} percentage={0} tone="error" />
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);
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const clamped = renderToStaticMarkup(
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<DonutMetricCard label="Results All" value={885} percentage={120} tone="all" />
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);
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expect(zero).toContain('stroke-dasharray="0 100"');
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expect(zero).toContain('<span>0%</span>');
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expect(clamped).toContain('stroke-dasharray="75 25"');
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expect(clamped).toContain('<span>100%</span>');
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expect(zero).not.toContain('<animate');
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});
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it('becomes an accessible active filter control when clickable', () => {
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const html = renderToStaticMarkup(
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<DonutMetricCard
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label="High"
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value={12}
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percentage={24}
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tone="high"
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active
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onClick={() => undefined}
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className="sidebar-severity-card"
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/>
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);
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expect(html).toContain('type="button"');
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expect(html).toContain('aria-pressed="true"');
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expect(html).toContain('donut-metric-card--high sidebar-severity-card');
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});
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});
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