test_utils.ts

import { Line } from '../src/shapes/primitives/line';
import { Canvas } from '../src/canvas';
import { BezierCurve, Shape, PointShape } from '../src/shapes';
import { Arc } from '../src/shapes/primitives/arc';
import { expect } from 'vitest';


export function getTestCanvas() {
    return new class implements Canvas {
        connectedPathBezier(path: PointShape): void {}
        renderShape(shape: Shape): Promise<void> { return Promise.resolve(); }
        text(text: Text): Promise<void> { return Promise.resolve();}
        bezierCurve(curve: BezierCurve): void { }
        line2({ from, to, ...styles }: any): void { }
        connectedPath(path: PointShape): void { }
        arc(arc: Arc): void { }
        onMouseMove(cb: (state: { absoluteX: number; absoluteY: number; x: number; y: number; canvasX: number; canvasY: number; }) => void): void { }
        onClick(cb: (state: { absoluteX: number; absoluteY: number; x: number; y: number; canvasX: number; canvasY: number; }) => void): void { }
        onResize(cb: () => void): void {}
        line(line: Line): void { }
        clear(): void { }

        width(): number {
            return 800;
        }

        height(): number {
            return 600;
        }
    };
}


export function expectArraysToBeClose(arr1: number[] | number[][], arr2: number[] | number[][], precision = 2) {
    expect(arr1.length).toEqual(arr2.length);

    arr1.forEach((value: number | number[], index: number) => {
        if (Array.isArray(value) && Array.isArray(arr2[index])) {
            expectArraysToBeClose(value, arr2[index] as number[], precision);
        } else {
            expect(value).toBeCloseTo(arr2[index] as number, precision);
        }
    });
}