Files
wehub-resource-sync c48612c494
CI / E2E Tests (push) Has been cancelled
CI / Lint, Typecheck & Unit Tests (push) Has been cancelled
Docs Build / Build docs site (push) Has been cancelled
Publish @openmaic packages / Build, validate & publish (push) Has been cancelled
chore: import upstream snapshot with attribution
2026-07-13 13:03:23 +08:00

73 lines
2.4 KiB
TypeScript

import { describe, test, expect, vi, beforeEach } from 'vitest';
import { toPoints, getSvgPathRange } from '@/lib/export/svg-path-parser';
describe('toPoints', () => {
beforeEach(() => {
// Silence the parser's warn log for malformed-path cases.
vi.spyOn(console, 'warn').mockImplementation(() => {});
});
test('parses a valid M/L/Z path', () => {
const points = toPoints('M 0 0 L 1 0 L 1 1 L 0 1 Z');
expect(points.length).toBeGreaterThan(0);
expect(points[0]).toMatchObject({ type: 'M', x: 0, y: 0 });
});
test('returns [] for a malformed path so the export does not crash', () => {
// Real-world malformed path observed in an imported course manifest:
// upstream LLM produced "alert" instead of an "A" arc command.
const malformed = 'M 1 0.5 alert 0.5 0.5 0 1 1 0 0.5 A 0.5 0.5 0 1 1 1 0.5 Z';
expect(toPoints(malformed)).toEqual([]);
});
test('returns [] for an arc-first path instead of throwing', () => {
// A syntactically valid path whose first command is an arc (A): `points` is
// still empty when the arc is reached, so reading the previous point must not
// throw. Guards the documented "malformed path returns []" contract.
expect(toPoints('A 0.5 0.5 0 1 1 1 0.5')).toEqual([]);
});
});
describe('getSvgPathRange', () => {
test('returns zero range for malformed path (existing tolerant behaviour)', () => {
expect(getSvgPathRange('not a path')).toEqual({ minX: 0, minY: 0, maxX: 0, maxY: 0 });
});
test('does not include the origin for a closed glyph away from (0,0)', () => {
// Z carries no x/y; it must not inject a spurious (0,0) into the bbox.
expect(getSvgPathRange('M 100 100 L 200 100 L 200 200 L 100 200 Z')).toEqual({
minX: 100,
minY: 100,
maxX: 200,
maxY: 200,
});
});
test('handles H/V commands without missing-axis zeros', () => {
expect(getSvgPathRange('M 50 60 H 150 V 160 H 50 Z')).toEqual({
minX: 50,
minY: 60,
maxX: 150,
maxY: 160,
});
});
test('resolves relative commands instead of treating deltas as absolute', () => {
expect(getSvgPathRange('m 100 100 l 50 0 l 0 50 l -50 0 z')).toEqual({
minX: 100,
minY: 100,
maxX: 150,
maxY: 150,
});
});
test('accounts for arc bulge (non-zero extent on the bulge axis)', () => {
expect(getSvgPathRange('M 0 50 A 50 50 0 0 1 100 50')).toEqual({
minX: 0,
minY: 0,
maxX: 100,
maxY: 50,
});
});
});