mirror of
https://github.com/lovell/sharp.git
synced 2025-12-19 07:15:08 +01:00
Test code refactor #63
Use mocha for feature-specific unit tests Add test coverage report via istanbul
This commit is contained in:
Lovell Fuller
253
test/unit/io.js
Executable file
253
test/unit/io.js
Executable file
@@ -0,0 +1,253 @@
|
||||
'use strict';
|
||||
|
||||
var fs = require('fs');
|
||||
var assert = require('assert');
|
||||
|
||||
var sharp = require('../../index');
|
||||
var fixtures = require('../fixtures');
|
||||
|
||||
describe('Input/output', function() {
|
||||
|
||||
it('Read from File and write to Stream', function(done) {
|
||||
var writable = fs.createWriteStream(fixtures.outputJpg);
|
||||
writable.on('finish', function() {
|
||||
sharp(fixtures.outputJpg).toBuffer(function(err, data, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual(true, data.length > 0);
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(240, info.height);
|
||||
fs.unlinkSync(fixtures.outputJpg);
|
||||
done();
|
||||
});
|
||||
});
|
||||
sharp(fixtures.inputJpg).resize(320, 240).pipe(writable);
|
||||
});
|
||||
|
||||
it('Read from Buffer and write to Stream', function(done) {
|
||||
var inputJpgBuffer = fs.readFileSync(fixtures.inputJpg);
|
||||
var writable = fs.createWriteStream(fixtures.outputJpg);
|
||||
writable.on('finish', function() {
|
||||
sharp(fixtures.outputJpg).toBuffer(function(err, data, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual(true, data.length > 0);
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(240, info.height);
|
||||
fs.unlinkSync(fixtures.outputJpg);
|
||||
done();
|
||||
});
|
||||
});
|
||||
sharp(inputJpgBuffer).resize(320, 240).pipe(writable);
|
||||
});
|
||||
|
||||
it('Read from Stream and write to File', function(done) {
|
||||
var readable = fs.createReadStream(fixtures.inputJpg);
|
||||
var pipeline = sharp().resize(320, 240).toFile(fixtures.outputJpg, function(err, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(240, info.height);
|
||||
fs.unlinkSync(fixtures.outputJpg);
|
||||
done();
|
||||
});
|
||||
readable.pipe(pipeline);
|
||||
});
|
||||
|
||||
it('Read from Stream and write to Buffer', function(done) {
|
||||
var readable = fs.createReadStream(fixtures.inputJpg);
|
||||
var pipeline = sharp().resize(320, 240).toBuffer(function(err, data, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual(true, data.length > 0);
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(240, info.height);
|
||||
done();
|
||||
});
|
||||
readable.pipe(pipeline);
|
||||
});
|
||||
|
||||
it('Read from Stream and write to Stream', function(done) {
|
||||
var readable = fs.createReadStream(fixtures.inputJpg);
|
||||
var writable = fs.createWriteStream(fixtures.outputJpg);
|
||||
writable.on('finish', function() {
|
||||
sharp(fixtures.outputJpg).toBuffer(function(err, data, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual(true, data.length > 0);
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(240, info.height);
|
||||
fs.unlinkSync(fixtures.outputJpg);
|
||||
done();
|
||||
});
|
||||
});
|
||||
var pipeline = sharp().resize(320, 240);
|
||||
readable.pipe(pipeline).pipe(writable);
|
||||
});
|
||||
|
||||
it('Handle Stream to Stream error ', function(done) {
|
||||
var pipeline = sharp().resize(320, 240);
|
||||
var anErrorWasEmitted = false;
|
||||
pipeline.on('error', function(err) {
|
||||
anErrorWasEmitted = !!err;
|
||||
}).on('end', function() {
|
||||
assert(anErrorWasEmitted);
|
||||
fs.unlinkSync(fixtures.outputJpg);
|
||||
done();
|
||||
});
|
||||
var readableButNotAnImage = fs.createReadStream(__filename);
|
||||
var writable = fs.createWriteStream(fixtures.outputJpg);
|
||||
readableButNotAnImage.pipe(pipeline).pipe(writable);
|
||||
});
|
||||
|
||||
it('Handle File to Stream error', function(done) {
|
||||
var readableButNotAnImage = sharp(__filename).resize(320, 240);
|
||||
var anErrorWasEmitted = false;
|
||||
readableButNotAnImage.on('error', function(err) {
|
||||
anErrorWasEmitted = !!err;
|
||||
}).on('end', function() {
|
||||
assert(anErrorWasEmitted);
|
||||
fs.unlinkSync(fixtures.outputJpg);
|
||||
done();
|
||||
});
|
||||
var writable = fs.createWriteStream(fixtures.outputJpg);
|
||||
readableButNotAnImage.pipe(writable);
|
||||
});
|
||||
|
||||
it('Fail when output File is input File', function(done) {
|
||||
sharp(fixtures.inputJpg).toFile(fixtures.inputJpg, function(err) {
|
||||
assert(!!err);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it('Fail when input is empty Buffer', function(done) {
|
||||
var fail = false;
|
||||
try {
|
||||
sharp(new Buffer(0));
|
||||
fail = true;
|
||||
} catch (e) {}
|
||||
assert(!fail);
|
||||
done();
|
||||
});
|
||||
|
||||
it('Promises/A+', function(done) {
|
||||
sharp(fixtures.inputJpg).resize(320, 240).toBuffer().then(function(data) {
|
||||
sharp(data).toBuffer(function(err, data, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual(true, data.length > 0);
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(240, info.height);
|
||||
done();
|
||||
});
|
||||
}).catch(function(err) {
|
||||
throw err;
|
||||
});
|
||||
});
|
||||
|
||||
it('JPEG quality', function(done) {
|
||||
sharp(fixtures.inputJpg).resize(320, 240).quality(70).toBuffer(function(err, buffer70) {
|
||||
if (err) throw err;
|
||||
sharp(fixtures.inputJpg).resize(320, 240).toBuffer(function(err, buffer80) {
|
||||
if (err) throw err;
|
||||
sharp(fixtures.inputJpg).resize(320, 240).quality(90).toBuffer(function(err, buffer90) {
|
||||
if (err) throw err;
|
||||
assert(buffer70.length < buffer80.length);
|
||||
assert(buffer80.length < buffer90.length);
|
||||
done();
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
|
||||
describe('Output filename without extension uses input format', function() {
|
||||
|
||||
it('JPEG', function(done) {
|
||||
sharp(fixtures.inputJpg).resize(320, 80).toFile(fixtures.outputZoinks, function(err, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual('jpeg', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(80, info.height);
|
||||
fs.unlinkSync(fixtures.outputZoinks);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it('PNG', function(done) {
|
||||
sharp(fixtures.inputPng).resize(320, 80).toFile(fixtures.outputZoinks, function(err, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual('png', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(80, info.height);
|
||||
fs.unlinkSync(fixtures.outputZoinks);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it('Transparent PNG', function(done) {
|
||||
sharp(fixtures.inputPngWithTransparency).resize(320, 80).toFile(fixtures.outputZoinks, function(err, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual('png', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(80, info.height);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it('WebP', function(done) {
|
||||
sharp(fixtures.inputWebP).resize(320, 80).toFile(fixtures.outputZoinks, function(err, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual('webp', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(80, info.height);
|
||||
fs.unlinkSync(fixtures.outputZoinks);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it('TIFF', function(done) {
|
||||
sharp(fixtures.inputTiff).resize(320, 80).toFile(fixtures.outputZoinks, function(err, info) {
|
||||
if (err) throw err;
|
||||
assert.strictEqual('tiff', info.format);
|
||||
assert.strictEqual(320, info.width);
|
||||
assert.strictEqual(80, info.height);
|
||||
fs.unlinkSync(fixtures.outputZoinks);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
it('Fail with GIF', function(done) {
|
||||
sharp(fixtures.inputGif).resize(320, 80).toFile(fixtures.outputZoinks, function(err) {
|
||||
assert(!!err);
|
||||
done();
|
||||
});
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
describe('PNG compression level', function() {
|
||||
|
||||
it('valid', function(done) {
|
||||
var isValid = false;
|
||||
try {
|
||||
sharp().compressionLevel(0);
|
||||
isValid = true;
|
||||
} catch (e) {}
|
||||
assert(isValid);
|
||||
done();
|
||||
});
|
||||
|
||||
it('invalid', function(done) {
|
||||
var isValid = false;
|
||||
try {
|
||||
sharp().compressionLevel(-1);
|
||||
isValid = true;
|
||||
} catch (e) {}
|
||||
assert(!isValid);
|
||||
done();
|
||||
});
|
||||
|
||||
});
|
||||
|
||||
});
|
||||
Reference in New Issue
Block a user