mirror of
https://github.com/lovell/sharp.git
synced 2025-07-10 19:10:14 +02:00
79 lines
2.6 KiB
JavaScript
79 lines
2.6 KiB
JavaScript
'use strict';
|
|
|
|
const assert = require('assert');
|
|
|
|
const sharp = require('../../');
|
|
const fixtures = require('../fixtures');
|
|
|
|
describe('WebP', function () {
|
|
it('WebP output', function (done) {
|
|
sharp(fixtures.inputJpg)
|
|
.resize(320, 240)
|
|
.toFormat(sharp.format.webp)
|
|
.toBuffer(function (err, data, info) {
|
|
if (err) throw err;
|
|
assert.strictEqual(true, data.length > 0);
|
|
assert.strictEqual('webp', info.format);
|
|
assert.strictEqual(320, info.width);
|
|
assert.strictEqual(240, info.height);
|
|
done();
|
|
});
|
|
});
|
|
|
|
it('Invalid WebP quality throws error', function () {
|
|
assert.throws(function () {
|
|
sharp().webp({ quality: 101 });
|
|
});
|
|
});
|
|
|
|
it('Invalid WebP alpha quality throws error', function () {
|
|
assert.throws(function () {
|
|
sharp().webp({ alphaQuality: 101 });
|
|
});
|
|
});
|
|
|
|
it('should work for webp alpha quality', function (done) {
|
|
sharp(fixtures.inputPngAlphaPremultiplicationSmall)
|
|
.webp({ alphaQuality: 80 })
|
|
.toBuffer(function (err, data, info) {
|
|
if (err) throw err;
|
|
assert.strictEqual(true, data.length > 0);
|
|
assert.strictEqual('webp', info.format);
|
|
fixtures.assertSimilar(fixtures.expected('webp-alpha-80.webp'), data, done);
|
|
});
|
|
});
|
|
|
|
it('should work for webp lossless', function (done) {
|
|
sharp(fixtures.inputPngAlphaPremultiplicationSmall)
|
|
.webp({ lossless: true })
|
|
.toBuffer(function (err, data, info) {
|
|
if (err) throw err;
|
|
assert.strictEqual(true, data.length > 0);
|
|
assert.strictEqual('webp', info.format);
|
|
fixtures.assertSimilar(fixtures.expected('webp-lossless.webp'), data, done);
|
|
});
|
|
});
|
|
|
|
it('should work for webp near-lossless', function (done) {
|
|
sharp(fixtures.inputPngAlphaPremultiplicationSmall)
|
|
.webp({ nearLossless: true, quality: 50 })
|
|
.toBuffer(function (err50, data50, info50) {
|
|
if (err50) throw err50;
|
|
assert.strictEqual(true, data50.length > 0);
|
|
assert.strictEqual('webp', info50.format);
|
|
fixtures.assertSimilar(fixtures.expected('webp-near-lossless-50.webp'), data50, done);
|
|
});
|
|
});
|
|
|
|
it('should use near-lossless when both lossless and nearLossless are specified', function (done) {
|
|
sharp(fixtures.inputPngAlphaPremultiplicationSmall)
|
|
.webp({ nearLossless: true, quality: 50, lossless: true })
|
|
.toBuffer(function (err50, data50, info50) {
|
|
if (err50) throw err50;
|
|
assert.strictEqual(true, data50.length > 0);
|
|
assert.strictEqual('webp', info50.format);
|
|
fixtures.assertSimilar(fixtures.expected('webp-near-lossless-50.webp'), data50, done);
|
|
});
|
|
});
|
|
});
|