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* Reproducing https://github.com/recharts/recharts/issues/3044
* https://codesandbox.io/p/sandbox/recharts-issue-template-forked-yhhnky
*/
import React from 'react';
import { describe, it, expect, beforeEach } from 'vitest';
import { createSelectorTestCase } from '../../helper/createSelectorTestCase';
import { ComposedChart, Legend, Line, Tooltip, useActiveTooltipDataPoints, XAxis, YAxis } from '../../../src';
import { expectLines } from '../../helper/expectLine';
import {
selectAxisScale,
selectCartesianGraphicalItemsData,
selectDisplayedData,
} from '../../../src/state/selectors/axisSelectors';
import { selectActiveTooltipIndex } from '../../../src/state/selectors/tooltipSelectors';
import { showTooltipOnCoordinate } from './tooltipTestHelpers';
import { composedChartMouseHoverTooltipSelector } from './tooltipMouseHoverSelectors';
import { mockGetBoundingClientRect } from '../../helper/mockGetBoundingClientRect';
describe('Tooltip in chart with multiple data arrays', () => {
beforeEach(() => {
mockGetBoundingClientRect({ width: 100, height: 100 });
});
const data1 = [
{ xAxis: 10, y1: 4 },
{ xAxis: 20, y1: 10 },
{ xAxis: 30, y1: 6 },
{ xAxis: 40, y1: 8 },
];
const data2 = [
{ xAxis: 5, y2: 9 },
{ xAxis: 12, y2: 7 },
{ xAxis: 13, y2: 8 },
{ xAxis: 18, y2: 12 },
{ xAxis: 25, y2: 12 },
{ xAxis: 30, y2: 12 },
];
describe('with default props', () => {
const renderTestCase = createSelectorTestCase(({ children }) => (
<ComposedChart width={500} height={300}>
<XAxis dataKey="xAxis" type="number" />
<YAxis />
<Tooltip />
<Legend />
<Line dataKey="y1" data={data1} />
<Line dataKey="y2" data={data2} />
{children}
</ComposedChart>
));
it('should select activeTooltipDataPoints', () => {
const { container, spy } = renderTestCase(useActiveTooltipDataPoints);
expect(spy).toHaveBeenLastCalledWith(undefined);
expect(spy).toHaveBeenCalledTimes(3);
showTooltipOnCoordinate(container, composedChartMouseHoverTooltipSelector, { clientX: 387.5, clientY: 100 });
expect(spy).toHaveBeenLastCalledWith([
{ xAxis: 30, y1: 6 },
{ xAxis: 30, y2: 12 },
]);
expect(spy).toHaveBeenCalledTimes(4);
// it is important that the data points are equal by reference because ActivePoints uses strict equality to compare them
const activePoints = spy.mock.calls[3][0];
expect(activePoints[0]).toBe(data1[2]);
expect(activePoints[1]).toBe(data2[5]);
});
it('should render two lines', () => {
const { container } = renderTestCase();
expectLines(container, [
{ d: 'M172.5,111.667L280,31.667L387.5,85L495,58.333' },
{ d: 'M118.75,45L194,71.667L204.75,58.333L258.5,5L333.75,5L387.5,5' },
]);
});
it('should select individual items data', () => {
const { spy } = renderTestCase(state => selectCartesianGraphicalItemsData(state, 'xAxis', 0));
expect(spy).toHaveBeenLastCalledWith([
{ xAxis: 10, y1: 4 },
{ xAxis: 20, y1: 10 },
{ xAxis: 30, y1: 6 },
{ xAxis: 40, y1: 8 },
{ xAxis: 5, y2: 9 },
{ xAxis: 12, y2: 7 },
{ xAxis: 13, y2: 8 },
{ xAxis: 18, y2: 12 },
{ xAxis: 25, y2: 12 },
{ xAxis: 30, y2: 12 },
]);
expect(spy).toHaveBeenCalledTimes(3);
});
it('should select displayed data', () => {
const { spy } = renderTestCase(state => selectDisplayedData(state, 'xAxis', 0, false));
expect(spy).toHaveBeenLastCalledWith([
{ xAxis: 10, y1: 4 },
{ xAxis: 20, y1: 10 },
{ xAxis: 30, y1: 6 },
{ xAxis: 40, y1: 8 },
{ xAxis: 5, y2: 9 },
{ xAxis: 12, y2: 7 },
{ xAxis: 13, y2: 8 },
{ xAxis: 18, y2: 12 },
{ xAxis: 25, y2: 12 },
{ xAxis: 30, y2: 12 },
]);
expect(spy).toHaveBeenCalledTimes(3);
});
it('should select scale', () => {
const { spy } = renderTestCase(state => selectAxisScale(state, 'xAxis', 0, false));
expect(spy).toHaveBeenLastCalledWith(
expect.toBeRechartsScale({
domain: [0, 40],
range: [65, 495],
}),
);
expect(spy).toHaveBeenCalledTimes(3);
const scale = spy.mock.calls[2][0];
const chartX1 = scale(5);
expect(chartX1).toBe(118.75);
const chartX2 = scale(30);
expect(chartX2).toBe(387.5);
const chartX3 = scale(40);
expect(chartX3).toBe(495);
});
it('should highlight the first dot when hovering the first xaxis tick', () => {
const { container, spy } = renderTestCase(selectActiveTooltipIndex);
expect(spy).toHaveBeenLastCalledWith(null);
showTooltipOnCoordinate(container, composedChartMouseHoverTooltipSelector, { clientX: 118.75, clientY: 100 });
// this is 4 because the tick is at xAxis=5 which is the fifth point in the displayedData array
expect(spy).toHaveBeenLastCalledWith('4');
});
it('should highlight the last dot when hovering the last xaxis tick', () => {
const { container, spy } = renderTestCase(selectActiveTooltipIndex);
expect(spy).toHaveBeenLastCalledWith(null);
showTooltipOnCoordinate(container, composedChartMouseHoverTooltipSelector, { clientX: 495, clientY: 100 });
// this is 3 because the tick is at xAxis=40 which is the fourth point in the displayedData array
expect(spy).toHaveBeenLastCalledWith('3');
});
});
describe('with defaultIndex=0', () => {
const renderTestCase = createSelectorTestCase(({ children }) => (
<ComposedChart width={500} height={300}>
<XAxis dataKey="xAxis" type="number" />
<YAxis />
<Tooltip defaultIndex={0} />
<Legend />
<Line dataKey="y1" data={data1} />
<Line dataKey="y2" data={data2} />
{children}
</ComposedChart>
));
it('should highlight the first dot', () => {
const { spy } = renderTestCase(selectActiveTooltipIndex);
expect(spy).toHaveBeenLastCalledWith('0');
});
});
});
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