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Support identity transform when both width and height are not specified

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Lovell Fuller
2014-03-04 22:44:53 +00:00
parent f99e42d447
commit d0e6a4c0f3
3 changed files with 43 additions and 26 deletions
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58
tests/unit.js
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@@ -1,34 +1,54 @@
var sharp = require("../index");
var imagemagick = require("imagemagick");
var assert = require("assert");
var async = require("async");
var inputJpg = __dirname + "/2569067123_aca715a2ee_o.jpg"; // http://www.flickr.com/photos/grizdave/2569067123/
var outputJpg = __dirname + "/output.jpg";
sharp.resize(inputJpg, outputJpg, 320, 240, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(320, features.width);
assert.strictEqual(240, features.height);
async.series([
function(done) {
sharp.resize(inputJpg, outputJpg, 320, 240, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(320, features.width);
assert.strictEqual(240, features.height);
done();
});
});
},
function(done) {
sharp.resize(inputJpg, outputJpg, 320, -1, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(320, features.width);
assert.strictEqual(262, features.height);
done();
});
sharp.resize(inputJpg, outputJpg, -1, 320, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(392, features.width);
assert.strictEqual(320, features.height);
});
});
});
});
});
},
function(done) {
sharp.resize(inputJpg, outputJpg, -1, 320, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(392, features.width);
assert.strictEqual(320, features.height);
done();
});
});
},
function(done) {
sharp.resize(inputJpg, outputJpg, -1, -1, function(err) {
if (err) throw err;
imagemagick.identify(outputJpg, function(err, features) {
if (err) throw err;
assert.strictEqual(2725, features.width);
assert.strictEqual(2225, features.height);
done();
});
});
}
]);