Files
bDS/tests/renderer/a2ui/A2UIChart.test.tsx
2026-02-26 13:18:24 +01:00

839 lines
30 KiB
TypeScript

import React from 'react';
import { describe, it, expect, vi } from 'vitest';
import { render, screen } from '@testing-library/react';
import { A2UIChart } from '../../../src/renderer/a2ui/components/A2UIChart';
import type { A2UIResolvedComponent, A2UIClientAction } from '../../../src/main/a2ui/types';
function makeChartComponent(
overrides: Partial<A2UIResolvedComponent> = {},
series?: unknown,
): A2UIResolvedComponent {
return {
id: 'chart-1',
type: 'chart',
properties: {
chartType: 'bar',
title: 'Test Chart',
...(overrides.properties ?? {}),
},
children: [],
boundValue: series ?? [
{ label: 'Alpha', value: 10 },
{ label: 'Beta', value: 25 },
{ label: 'Gamma', value: 15 },
],
...overrides,
};
}
const noopAction = vi.fn<(action: A2UIClientAction) => void>();
describe('A2UIChart', () => {
describe('bar chart tabular layout', () => {
it('renders chart title', () => {
const comp = makeChartComponent();
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(screen.getByText('Test Chart')).toBeInTheDocument();
expect(container.querySelector('.assistant-panel-chart-title')).not.toBeNull();
});
it('renders chart type label', () => {
const comp = makeChartComponent();
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('bar')).toBeInTheDocument();
});
it('renders all series labels', () => {
const comp = makeChartComponent();
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Alpha')).toBeInTheDocument();
expect(screen.getByText('Beta')).toBeInTheDocument();
expect(screen.getByText('Gamma')).toBeInTheDocument();
});
it('renders all series values', () => {
const comp = makeChartComponent();
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('10')).toBeInTheDocument();
expect(screen.getByText('25')).toBeInTheDocument();
expect(screen.getByText('15')).toBeInTheDocument();
});
it('renders bar chart items in a three-column grid layout', () => {
const comp = makeChartComponent();
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const items = container.querySelectorAll('.assistant-panel-chart-item');
expect(items).toHaveLength(3);
// Each item should have label, bar container, and value as separate elements
for (const item of items) {
const label = item.querySelector('.assistant-panel-chart-label');
const barContainer = item.querySelector('.assistant-panel-chart-bar-track');
const value = item.querySelector('.assistant-panel-chart-value');
expect(label).not.toBeNull();
expect(barContainer).not.toBeNull();
expect(value).not.toBeNull();
}
});
it('renders bar fill with correct percentage width', () => {
const comp = makeChartComponent({}, [
{ label: 'A', value: 50 },
{ label: 'B', value: 100 },
]);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const fills = container.querySelectorAll('.assistant-panel-chart-bar-fill');
expect(fills).toHaveLength(2);
// A = 50/100 = 50%, B = 100/100 = 100%
expect((fills[0] as HTMLElement).style.width).toBe('50%');
expect((fills[1] as HTMLElement).style.width).toBe('100%');
});
it('renders without title when title is not provided', () => {
const comp = makeChartComponent({ properties: { chartType: 'bar' } });
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-title')).toBeNull();
});
it('renders empty state when series is empty', () => {
const comp = makeChartComponent({}, []);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const items = container.querySelectorAll('.assistant-panel-chart-item');
expect(items).toHaveLength(0);
});
});
describe('stacked bar chart', () => {
const stackedSeries = [
{
label: '2023',
value: 30,
segments: [
{ label: 'Published', value: 20 },
{ label: 'Draft', value: 10 },
],
},
{
label: '2024',
value: 45,
segments: [
{ label: 'Published', value: 35 },
{ label: 'Draft', value: 10 },
],
},
];
it('renders stacked bar items', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'stacked-bar', title: 'Posts by Year' } },
stackedSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const items = container.querySelectorAll('.assistant-panel-chart-item');
expect(items).toHaveLength(2);
});
it('renders multiple segment fills per bar', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'stacked-bar', title: 'Posts' } },
stackedSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
// Each bar should have multiple fill segments
const tracks = container.querySelectorAll('.assistant-panel-chart-bar-track');
expect(tracks).toHaveLength(2);
const firstBarSegments = tracks[0].querySelectorAll('.assistant-panel-chart-bar-segment');
expect(firstBarSegments).toHaveLength(2);
});
it('renders segment widths as proportion of total across all bars', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'stacked-bar' } },
stackedSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
// maxValue is 45 (2024 total)
// 2023 row: Published=20/45, Draft=10/45 → total bar width = 30/45
// We need segment widths relative to the bar track via the fill percentage
const tracks = container.querySelectorAll('.assistant-panel-chart-bar-track');
expect(tracks.length).toBe(2);
});
it('renders a legend for stacked bar charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'stacked-bar', title: 'Posts' } },
stackedSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const legend = container.querySelector('.assistant-panel-chart-legend');
expect(legend).not.toBeNull();
expect(screen.getByText('Published')).toBeInTheDocument();
expect(screen.getByText('Draft')).toBeInTheDocument();
});
it('shows total value for stacked bars', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'stacked-bar' } },
stackedSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('30')).toBeInTheDocument();
expect(screen.getByText('45')).toBeInTheDocument();
});
it('does not render legend for regular bar charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'bar' } },
[{ label: 'A', value: 10 }],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-legend')).toBeNull();
});
});
describe('line chart', () => {
const lineSeries = [
{ label: 'Jan', value: 10 },
{ label: 'Feb', value: 25 },
{ label: 'Mar', value: 15 },
{ label: 'Apr', value: 30 },
];
it('renders an SVG element for line charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line', title: 'Monthly Posts' } },
lineSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const svg = container.querySelector('.assistant-panel-chart-line-svg');
expect(svg).not.toBeNull();
expect(svg!.tagName.toLowerCase()).toBe('svg');
});
it('does not render bar chart body for line charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-body')).toBeNull();
});
it('renders a polyline connecting data points', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const polyline = container.querySelector('polyline');
expect(polyline).not.toBeNull();
const points = polyline!.getAttribute('points')!;
// Should have 4 coordinate pairs
const pairs = points.trim().split(/\s+/);
expect(pairs).toHaveLength(4);
});
it('renders circle dots at each data point', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const dots = container.querySelectorAll('.assistant-panel-chart-line-dot');
expect(dots).toHaveLength(4);
});
it('renders x-axis labels for each data point', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Jan')).toBeInTheDocument();
expect(screen.getByText('Feb')).toBeInTheDocument();
expect(screen.getByText('Mar')).toBeInTheDocument();
expect(screen.getByText('Apr')).toBeInTheDocument();
});
it('renders y-axis value labels', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const yLabels = container.querySelectorAll('.assistant-panel-chart-line-y-label');
expect(yLabels.length).toBeGreaterThanOrEqual(2);
});
it('renders chart title for line charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line', title: 'Trend' } },
lineSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Trend')).toBeInTheDocument();
});
it('renders chart type label', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('line')).toBeInTheDocument();
});
it('handles single data point', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
[{ label: 'Only', value: 42 }],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const dots = container.querySelectorAll('.assistant-panel-chart-line-dot');
expect(dots).toHaveLength(1);
});
it('handles empty series for line chart', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
[],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-line-svg')).toBeNull();
});
it('renders horizontal grid lines', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'line' } },
lineSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const gridLines = container.querySelectorAll('.assistant-panel-chart-line-grid');
expect(gridLines.length).toBeGreaterThanOrEqual(2);
});
});
describe('pie chart', () => {
const pieSeries = [
{ label: 'Published', value: 60 },
{ label: 'Draft', value: 25 },
{ label: 'Archived', value: 15 },
];
it('renders an SVG element for pie charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie', title: 'Post Status' } },
pieSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const svg = container.querySelector('.assistant-panel-chart-pie-svg');
expect(svg).not.toBeNull();
expect(svg!.tagName.toLowerCase()).toBe('svg');
});
it('does not render bar chart body for pie charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
pieSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-body')).toBeNull();
});
it('renders a path slice for each data point', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
pieSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const slices = container.querySelectorAll('.assistant-panel-chart-pie-slice');
expect(slices).toHaveLength(3);
});
it('renders a legend with all labels and values', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
pieSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const legend = container.querySelector('.assistant-panel-chart-legend');
expect(legend).not.toBeNull();
expect(screen.getByText('Published')).toBeInTheDocument();
expect(screen.getByText('Draft')).toBeInTheDocument();
expect(screen.getByText('Archived')).toBeInTheDocument();
});
it('renders chart title for pie charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie', title: 'Distribution' } },
pieSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Distribution')).toBeInTheDocument();
});
it('renders chart type label', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
pieSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('pie')).toBeInTheDocument();
});
it('handles single slice', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
[{ label: 'All', value: 100 }],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const slices = container.querySelectorAll('.assistant-panel-chart-pie-slice');
expect(slices).toHaveLength(1);
});
it('handles empty series for pie chart', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
[],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-pie-svg')).toBeNull();
});
it('assigns different colors to each slice', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'pie' } },
pieSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const slices = container.querySelectorAll('.assistant-panel-chart-pie-slice');
const fills = Array.from(slices).map((s) => (s as SVGElement).getAttribute('fill'));
// All fills should be different
const unique = new Set(fills);
expect(unique.size).toBe(3);
});
});
describe('area chart', () => {
const areaSeries = [
{ label: 'Jan', value: 10 },
{ label: 'Feb', value: 25 },
{ label: 'Mar', value: 15 },
{ label: 'Apr', value: 30 },
];
it('renders an SVG element for area charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area', title: 'Cumulative Posts' } },
areaSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const svg = container.querySelector('.assistant-panel-chart-line-svg');
expect(svg).not.toBeNull();
});
it('does not render bar chart body for area charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area' } },
areaSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-body')).toBeNull();
});
it('renders a filled polygon area beneath the line', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area' } },
areaSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const area = container.querySelector('.assistant-panel-chart-area-fill');
expect(area).not.toBeNull();
expect(area!.tagName.toLowerCase()).toBe('polygon');
});
it('renders dots at each data point', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area' } },
areaSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const dots = container.querySelectorAll('.assistant-panel-chart-line-dot');
expect(dots).toHaveLength(4);
});
it('renders a polyline on top of the area', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area' } },
areaSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const polyline = container.querySelector('polyline');
expect(polyline).not.toBeNull();
});
it('renders x-axis labels', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area' } },
areaSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Jan')).toBeInTheDocument();
expect(screen.getByText('Apr')).toBeInTheDocument();
});
it('handles empty series for area chart', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'area' } },
[],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-line-svg')).toBeNull();
});
});
describe('donut chart', () => {
const donutSeries = [
{ label: 'Published', value: 60 },
{ label: 'Draft', value: 25 },
{ label: 'Archived', value: 15 },
];
it('renders an SVG element for donut charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut', title: 'Post Status' } },
donutSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const svg = container.querySelector('.assistant-panel-chart-pie-svg');
expect(svg).not.toBeNull();
});
it('does not render bar chart body for donut charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
donutSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-body')).toBeNull();
});
it('renders arc path slices (not filled wedges)', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
donutSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const slices = container.querySelectorAll('.assistant-panel-chart-pie-slice');
expect(slices).toHaveLength(3);
});
it('renders a center hole circle', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
donutSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const hole = container.querySelector('.assistant-panel-chart-donut-hole');
expect(hole).not.toBeNull();
});
it('renders center total text', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
donutSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const centerText = container.querySelector('.assistant-panel-chart-donut-total');
expect(centerText).not.toBeNull();
expect(centerText!.textContent).toBe('100');
});
it('renders a legend with all labels', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
donutSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const legend = container.querySelector('.assistant-panel-chart-legend');
expect(legend).not.toBeNull();
expect(screen.getByText('Published')).toBeInTheDocument();
expect(screen.getByText('Draft')).toBeInTheDocument();
});
it('handles single slice donut', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
[{ label: 'All', value: 100 }],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const slices = container.querySelectorAll('.assistant-panel-chart-pie-slice');
expect(slices).toHaveLength(1);
expect(container.querySelector('.assistant-panel-chart-donut-hole')).not.toBeNull();
});
it('handles empty series for donut chart', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'donut' } },
[],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-pie-svg')).toBeNull();
});
});
describe('heatmap chart', () => {
const heatmapSeries = [
{
label: 'Mon',
value: 0,
segments: [
{ label: 'W1', value: 3 },
{ label: 'W2', value: 0 },
{ label: 'W3', value: 5 },
],
},
{
label: 'Tue',
value: 0,
segments: [
{ label: 'W1', value: 1 },
{ label: 'W2', value: 4 },
{ label: 'W3', value: 2 },
],
},
];
it('renders a grid container for heatmap charts', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap', title: 'Activity' } },
heatmapSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const grid = container.querySelector('.assistant-panel-chart-heatmap');
expect(grid).not.toBeNull();
});
it('does not render bar chart body for heatmap', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-body')).toBeNull();
});
it('renders cells for each data point', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
// 2 rows x 3 columns = 6 cells
const cells = container.querySelectorAll('.assistant-panel-chart-heatmap-cell');
expect(cells).toHaveLength(6);
});
it('renders row labels', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Mon')).toBeInTheDocument();
expect(screen.getByText('Tue')).toBeInTheDocument();
});
it('renders column header labels', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('W1')).toBeInTheDocument();
expect(screen.getByText('W2')).toBeInTheDocument();
expect(screen.getByText('W3')).toBeInTheDocument();
});
it('applies ins-to-del gradient background based on value', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const cells = container.querySelectorAll('.assistant-panel-chart-heatmap-cell');
// Cell with value 0 should have transparent background
const zeroCell = Array.from(cells).find((c) => c.getAttribute('title') === '0');
expect(zeroCell).toBeDefined();
expect((zeroCell as HTMLElement).style.background).toBe('transparent');
// Cell with max value (5) should have an rgba/rgb background (del color at full opacity)
const maxCell = Array.from(cells).find((c) => c.getAttribute('title') === '5');
expect(maxCell).toBeDefined();
expect((maxCell as HTMLElement).style.background).toMatch(/^rgba?\(/);
// Mid-value cell should also have an rgba/rgb background
const midCell = Array.from(cells).find((c) => c.getAttribute('title') === '3');
expect(midCell).toBeDefined();
expect((midCell as HTMLElement).style.background).toMatch(/^rgba?\(/);
});
it('sets contrasting text color on cells', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const cells = container.querySelectorAll('.assistant-panel-chart-heatmap-cell');
// Non-zero cells should have explicit black or white text color
const maxCell = Array.from(cells).find((c) => c.getAttribute('title') === '5');
expect(maxCell).toBeDefined();
const maxColor = (maxCell as HTMLElement).style.color;
expect(maxColor).toMatch(/#(000|fff)|rgb\((0, 0, 0|255, 255, 255)\)/);
// Zero cell should have inherit
const zeroCell = Array.from(cells).find((c) => c.getAttribute('title') === '0');
expect(zeroCell).toBeDefined();
expect((zeroCell as HTMLElement).style.color).toBe('inherit');
});
it('displays value text inside non-zero cells', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
heatmapSeries,
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
const cells = container.querySelectorAll('.assistant-panel-chart-heatmap-cell');
// Non-zero cell should display value as text
const cell3 = Array.from(cells).find((c) => c.getAttribute('title') === '3');
expect(cell3).toBeDefined();
expect(cell3!.textContent).toBe('3');
// Zero cell should be empty
const cell0 = Array.from(cells).find((c) => c.getAttribute('title') === '0');
expect(cell0).toBeDefined();
expect(cell0!.textContent).toBe('');
});
it('renders chart title for heatmap', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap', title: 'Posting Activity' } },
heatmapSeries,
);
render(<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />);
expect(screen.getByText('Posting Activity')).toBeInTheDocument();
});
it('handles empty series for heatmap', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
[],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
expect(container.querySelector('.assistant-panel-chart-heatmap')).toBeNull();
});
it('handles series without segments gracefully', () => {
const comp = makeChartComponent(
{ properties: { chartType: 'heatmap' } },
[{ label: 'Mon', value: 5 }],
);
const { container } = render(
<A2UIChart component={comp} surfaceId="s1" onAction={noopAction} />,
);
// No segments → no cells, no grid rendered
expect(container.querySelector('.assistant-panel-chart-heatmap')).toBeNull();
});
});
});