Files
easy-png-tools2/web/src/lib/registry.test.ts
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TypeScript

import { describe, expect, it } from 'vitest';
import { CATEGORIES } from './categories';
import {
defaultParams,
getTool,
outputOf,
sanitizeParams,
TOOLS,
type ParamDef,
type ToolEntry
} from './registry';
const PLAN_TOOL_IDS = [
'resize-png',
'crop-png',
'rotate-png',
'flip-png',
'grayscale-png',
'invert-colors-png',
'adjust-brightness-contrast-png',
'convert-png-to-jpg',
'convert-png-to-webp',
'remove-color-from-png',
'png-info'
];
describe('реестр инструментов', () => {
it('содержит ровно 11 инструментов из плана MVP', () => {
expect(TOOLS.map((t) => t.id).sort()).toEqual([...PLAN_TOOL_IDS].sort());
});
it('id уникальны и в kebab-case', () => {
const ids = TOOLS.map((t) => t.id);
expect(new Set(ids).size).toBe(ids.length);
for (const id of ids) {
expect(id).toMatch(/^[a-z0-9]+(-[a-z0-9]+)*$/);
}
});
it.each(TOOLS.map((t) => [t.id, t] as const))('%s: категория валидна', (_, tool) => {
expect(CATEGORIES.map((c) => c.id)).toContain(tool.category);
});
it.each(TOOLS.map((t) => [t.id, t] as const))('%s: run определён', (_, tool) => {
expect(typeof tool.run).toBe('function');
if (tool.preview) {
expect(typeof tool.preview).toBe('function');
}
expect(tool.title.length).toBeGreaterThan(0);
expect(tool.description.length).toBeGreaterThan(0);
});
it('у select дефолт входит в options, у number дефолт в диапазоне', () => {
for (const tool of TOOLS) {
for (const param of tool.params) {
if (param.type === 'select') {
expect(param.options.map((o) => o.value)).toContain(param.default);
expect(param.options.length).toBeGreaterThan(0);
}
if (param.type === 'number') {
expect(param.min === undefined || param.default >= param.min).toBe(true);
expect(param.max === undefined || param.default <= param.max).toBe(true);
}
if (param.type === 'color') {
expect(param.default).toMatch(/^#[0-9a-f]{6}$/i);
}
}
}
});
it('id параметров уникальны внутри инструмента', () => {
for (const tool of TOOLS) {
const ids = tool.params.map((p) => p.id);
expect(new Set(ids).size).toBe(ids.length);
}
});
it('qualityParamId ссылается на существующий числовой параметр', () => {
for (const tool of TOOLS) {
const output = outputOf(tool);
if (output?.qualityParamId) {
const param = tool.params.find(
(p): p is Extract<ParamDef, { type: 'number' }> => p.id === output.qualityParamId
);
expect(param).toBeDefined();
}
}
});
it('png-info не имеет формата вывода, конвертеры имеют jpeg/webp, остальные — png', () => {
expect(outputOf(getToolOrThrow('png-info'))).toBeUndefined();
expect(outputOf(getToolOrThrow('convert-png-to-jpg'))?.mime).toBe('image/jpeg');
expect(outputOf(getToolOrThrow('convert-png-to-webp'))?.mime).toBe('image/webp');
expect(outputOf(getToolOrThrow('grayscale-png'))).toEqual({ mime: 'image/png', ext: 'png' });
});
it('defaultParams собирает значения по умолчанию', () => {
const resize = getToolOrThrow('resize-png');
expect(defaultParams(resize)).toEqual({ width: 0, height: 0, keepAspect: true });
});
});
describe('sanitizeParams', () => {
it('заменяет пустые и невалидные числа на дефолт', () => {
const resize = getToolOrThrow('resize-png');
expect(sanitizeParams(resize, { width: undefined, height: null, keepAspect: true })).toEqual({
width: 0,
height: 0,
keepAspect: true
});
});
it('клампит числа в диапазон параметра', () => {
const bc = getToolOrThrow('adjust-brightness-contrast-png');
expect(sanitizeParams(bc, { brightness: 5000, contrast: -999 })).toEqual({
brightness: 100,
contrast: -100
});
});
it('возвращает дефолт для невалидных select, checkbox и color', () => {
const rotate = getToolOrThrow('rotate-png');
expect(sanitizeParams(rotate, { angle: '45' })).toEqual({ angle: '90' });
const resize = getToolOrThrow('resize-png');
expect(sanitizeParams(resize, { width: 10, height: 10, keepAspect: 'yes' })).toEqual({
width: 10,
height: 10,
keepAspect: true
});
const jpg = getToolOrThrow('convert-png-to-jpg');
expect(sanitizeParams(jpg, { background: 'red', quality: 50 })).toEqual({
background: '#ffffff',
quality: 50
});
});
});
describe('run инструмента resize-png', () => {
const img = { width: 100, height: 50, data: new Uint8ClampedArray(100 * 50 * 4) };
const runResize = async (params: Record<string, unknown>) =>
getToolOrThrow('resize-png').run(img, params);
it('keepAspect + одна сторона — вторая считается по пропорции', async () => {
const out = await runResize({ width: 200, height: 0, keepAspect: true });
expect(out.width).toBe(200);
expect(out.height).toBe(100);
});
it('keepAspect + обе стороны — вписывание в размеры без искажения', async () => {
const out = await runResize({ width: 50, height: 50, keepAspect: true });
expect(out.width).toBe(50);
expect(out.height).toBe(25);
});
it('без keepAspect — обе стороны как задано', async () => {
const out = await runResize({ width: 30, height: 40, keepAspect: false });
expect(out.width).toBe(30);
expect(out.height).toBe(40);
});
it('обе стороны 0 — человекочитаемая ошибка', async () => {
await expect(runResize({ width: 0, height: 0, keepAspect: true })).rejects.toThrow(
'Укажите ширину'
);
});
});
function getToolOrThrow(id: string): ToolEntry {
const tool = getTool(id);
if (!tool) throw new Error(`Инструмент "${id}" не найден`);
return tool;
}