svg-pathdata/src/tests/encoder.test.ts

Manipulate SVG path data (path[d] attribute content) simply and efficiently.

import { describe, test, expect } from '@jest/globals';
import { encodeSVGPath } from '../index.js';
import { type SVGCommand } from '../types.js';

describe('SVGPathDataEncoder', () => {
  test('should not work when the command is forgotten', () => {
    expect(() => encodeSVGPath(undefined as unknown as SVGCommand)).toThrow(
      new TypeError("Cannot read properties of undefined (reading 'type')"),
    );
  });

  test('should fail when a bad command is given', () => {
    expect(() =>
      encodeSVGPath({
        type: 'plop',
        x: 0,
        y: 0,
      } as unknown as SVGCommand),
    ).toThrow(new Error('Unexpected command type "plop" at index 0.'));
  });
});