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100 lines
3.0 KiB
JavaScript
100 lines
3.0 KiB
JavaScript
'use strict';
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var assert = require('assert');
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var sharp = require('../../index');
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var fixtures = require('../fixtures');
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describe('Sharpen', function() {
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it('specific radius 10', function(done) {
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sharp(fixtures.inputJpg)
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.resize(320, 240)
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.sharpen(10)
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.toBuffer(function(err, data, info) {
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(320, info.width);
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assert.strictEqual(240, info.height);
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fixtures.assertSimilar(fixtures.expected('sharpen-10.jpg'), data, done);
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});
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});
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it('specific radius 3 and levels 0.5, 2.5', function(done) {
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sharp(fixtures.inputJpg)
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.resize(320, 240)
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.sharpen(3, 0.5, 2.5)
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.toBuffer(function(err, data, info) {
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(320, info.width);
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assert.strictEqual(240, info.height);
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fixtures.assertSimilar(fixtures.expected('sharpen-3-0.5-2.5.jpg'), data, done);
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});
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});
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it('specific radius 5 and levels 2, 4', function(done) {
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sharp(fixtures.inputJpg)
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.resize(320, 240)
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.sharpen(5, 2, 4)
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.toBuffer(function(err, data, info) {
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(320, info.width);
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assert.strictEqual(240, info.height);
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fixtures.assertSimilar(fixtures.expected('sharpen-5-2-4.jpg'), data, done);
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});
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});
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it('mild sharpen', function(done) {
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sharp(fixtures.inputJpg)
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.resize(320, 240)
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.sharpen()
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.toBuffer(function(err, data, info) {
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(320, info.width);
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assert.strictEqual(240, info.height);
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fixtures.assertSimilar(fixtures.expected('sharpen-mild.jpg'), data, done);
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});
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});
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it('invalid radius', function() {
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assert.throws(function() {
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sharp(fixtures.inputJpg).sharpen(1.5);
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});
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});
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it('invalid flat', function() {
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assert.throws(function() {
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sharp(fixtures.inputJpg).sharpen(1, -1);
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});
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});
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it('invalid jagged', function() {
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assert.throws(function() {
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sharp(fixtures.inputJpg).sharpen(1, 1, -1);
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});
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});
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it('sharpened image is larger than non-sharpened', function(done) {
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sharp(fixtures.inputJpg)
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.resize(320, 240)
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.sharpen(false)
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.toBuffer(function(err, notSharpened, info) {
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assert.strictEqual(true, notSharpened.length > 0);
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(320, info.width);
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assert.strictEqual(240, info.height);
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sharp(fixtures.inputJpg)
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.resize(320, 240)
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.sharpen(true)
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.toBuffer(function(err, sharpened, info) {
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assert.strictEqual(true, sharpened.length > 0);
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assert.strictEqual(true, sharpened.length > notSharpened.length);
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assert.strictEqual('jpeg', info.format);
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assert.strictEqual(320, info.width);
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assert.strictEqual(240, info.height);
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done();
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});
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});
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});
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});
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