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Add support for writing dz format to zip container (#402)

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To enable this you can either use the `.zip` or `.szi` file extensions
or use `.tile({container: 'zip'})` with the `.dzi` extension.
This commit is contained in:
Felix Bünemann
2016-04-08 20:58:13 +02:00
committed by Lovell Fuller
parent ef61da3051
commit b224874332
8 changed files with 107 additions and 4 deletions
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73
test/unit/tile.js
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@@ -6,6 +6,7 @@ var assert = require('assert');
var async = require('async');
var rimraf = require('rimraf');
var unzip = require('unzip');
var sharp = require('../../index');
var fixtures = require('../fixtures');
@@ -88,6 +89,26 @@ describe('Tile', function() {
});
});
it('Valid container values pass', function() {
['fs', 'zip'].forEach(function(container) {
assert.doesNotThrow(function() {
sharp().tile({
container: container
});
});
});
});
it('Invalid container values fail', function() {
['zoinks', 1].forEach(function(container) {
assert.throws(function() {
sharp().tile({
container: container
});
});
});
});
it('Valid layout values pass', function() {
['dz', 'google', 'zoomify'].forEach(function(layout) {
assert.doesNotThrow(function() {
@@ -190,6 +211,58 @@ describe('Tile', function() {
});
});
it('Write to ZIP container using file extension', function(done) {
var container = fixtures.path('output.dz.container.zip');
var extractTo = fixtures.path('output.dz.container');
var directory = path.join(extractTo, 'output.dz.container_files');
rimraf(directory, function() {
sharp(fixtures.inputJpg)
.toFile(container, function(err, info) {
if (err) throw err;
assert.strictEqual('dz', info.format);
fs.stat(container, function(err, stat) {
if (err) throw err;
assert.strictEqual(true, stat.isFile());
assert.strictEqual(true, stat.size > 0);
fs.createReadStream(container)
.pipe(unzip.Extract({path: path.dirname(extractTo)}))
.on('error', function(err) { throw err; })
.on('close', function() {
assertDeepZoomTiles(directory, 256, 13, done);
});
});
});
});
});
it('Write to ZIP container using container tile option', function(done) {
var container = fixtures.path('output.dz.containeropt.zip');
var extractTo = fixtures.path('output.dz.containeropt');
var directory = path.join(extractTo, 'output.dz.containeropt_files');
rimraf(directory, function() {
sharp(fixtures.inputJpg)
.tile({
container: 'zip'
})
.toFile(fixtures.path('output.dz.containeropt.dzi'), function(err, info) {
// Vips overrides .dzi extension to .zip used by container var below
if (err) throw err;
assert.strictEqual('dz', info.format);
fs.stat(container, function(err, stat) {
if (err) throw err;
assert.strictEqual(true, stat.isFile());
assert.strictEqual(true, stat.size > 0);
fs.createReadStream(container)
.pipe(unzip.Extract({path: path.dirname(extractTo)}))
.on('error', function(err) { throw err; })
.on('close', function() {
assertDeepZoomTiles(directory, 256, 13, done);
});
});
});
});
});
}
});