dan/pngjs
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This commit is contained in:
Luke Page 2015-08-06 13:08:58 +01:00
parent cdd6f0c5ab
commit 288a696584
4 changed files with 93 additions and 101 deletions
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8
package.json
View file

@ -32,9 +32,9 @@
"example": "examples" "example": "examples"
}, },
"scripts": { "scripts": {
"coverage": "istanbul -- cover ./test nolarge", "coverage": "istanbul -- cover node_modules/tape/bin/tape test/*-spec.js nolarge",
"coverage-report": "npm run coverage && istanbul report html", "coverage-report": "npm run coverage && istanbul report html",
"test": "node test", "test": "tape test/*-spec.js nolarge | tap-dot && node test/run-compare",
"lint": "eslint lib" "lint": "eslint lib"
}, },
"repository": { "repository": {
@ -51,6 +51,8 @@
"eslint": "^1.0.0", "eslint": "^1.0.0",
"istanbul": "^0.3.17", "istanbul": "^0.3.17",
"phantomjs": "^1.9.17", "phantomjs": "^1.9.17",
"serve-static": "^1.10.0" "serve-static": "^1.10.0",
"tap-dot": "^1.0.0",
"tape": "^4.0.2"
} }
} }

88
test/convert-images-spec.js Normal file
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@ -0,0 +1,88 @@
var fs = require('fs');
var PNG = require('../lib/png').PNG;
var test = require('tape');
fs.readdir(__dirname + '/in/', function (err, files) {
if (err) throw err;
files = files.filter(function(file) {
return ((process.argv[3] || "").indexOf("nolarge") < 0 || !file.match(/large/i)) && Boolean(file.match(/\.png$/i));
});
console.log("Converting images");
files.forEach(function (file) {
var expectedError = false;
if (file.match(/^x/)) {
expectedError = true;
}
test('convert sync - ' + file, function(t) {
if (file.match(/large/)) {
t.timeoutAfter(1000 * 60);
} else {
t.timeoutAfter(1000);
}
var data = fs.readFileSync(__dirname + '/in/' + file);
try {
var png = PNG.sync.read(data);
} catch (e) {
if (!expectedError) {
t.fail('Unexpected error parsing..' + file + '\n' + e.message + "\n" + e.stack);
} else {
t.pass("completed");
}
return t.end();
}
if (expectedError) {
t.fail("Sync: Error expected, parsed fine .. - " + file);
return t.end();
}
var outpng = new PNG();
outpng.gamma = png.gamma;
outpng.data = png.data;
outpng.width = png.width;
outpng.height = png.height;
outpng.pack()
.pipe(fs.createWriteStream(__dirname + '/outsync/' + file)
.on("finish", function () {
t.pass("completed");
t.end();
}));
});
test('convert async - ' + file, function(t) {
fs.createReadStream(__dirname + '/in/' + file)
.pipe(new PNG())
.on('error', function (err) {
if (!expectedError) {
t.fail("Async: Unexpected error parsing.." + file + '\n' + err.message + '\n' + err.stack);
} else {
t.pass("completed");
}
t.end();
})
.on('parsed', function () {
if (expectedError) {
t.fail("Async: Error expected, parsed fine .." + file);
return t.end();
}
this.pack()
.pipe(
fs.createWriteStream(__dirname + '/out/' + file)
.on("finish", function() {
t.pass("completed");
t.end();
}));
});
});
});
});

95
test/convert-images.js
View file

@ -1,95 +0,0 @@
var fs = require('fs'),
PNG = require('../lib/png').PNG;
module.exports = function(done) {
fs.readdir(__dirname + '/in/', function (err, files) {
if (err) throw err;
files = files.filter(function(file) {
return ((process.argv[2] || "").indexOf("nolarge") < 0 || !file.match(/large/i)) && Boolean(file.match(/\.png$/i));
});
console.log("Converting images");
var completed = 0;
var expected = files.length * 2;
var anyFailures = false;
function complete(isSuccessful) {
completed++;
anyFailures = anyFailures || !isSuccessful;
if (expected === completed) {
if (anyFailures) {
process.exit(1);
return;
}
done();
}
}
files.forEach(function (file) {
//console.log(file);
var expectedError = false;
if (file.match(/^x/)) {
expectedError = true;
}
var syncError = false;
var data = fs.readFileSync(__dirname + '/in/' + file);
try {
var png = PNG.sync.read(data);
} catch (e) {
if (!expectedError) {
console.log("Sync: Unexpected error parsing.." + file);
console.log(e);
console.log(e.stack);
}
syncError = true;
complete(expectedError);
}
if (!syncError) {
if (expectedError) {
console.log("Sync: Error expected, parsed fine ..", file);
complete(false);
} else {
var outpng = new PNG();
outpng.gamma = png.gamma;
outpng.data = png.data;
outpng.width = png.width;
outpng.height = png.height;
outpng.pack()
.pipe(fs.createWriteStream(__dirname + '/outsync/' + file)
.on("finish", function () {
complete(true);
}));
}
}
fs.createReadStream(__dirname + '/in/' + file)
.pipe(new PNG())
.on('error', function (err) {
if (!expectedError) {
console.log("Async: Unexpected error parsing.." + file, err);
}
complete(expectedError);
})
.on('parsed', function () {
if (expectedError) {
console.log("Async: Error expected, parsed fine ..", file);
}
this.pack()
.pipe(
fs.createWriteStream(__dirname + '/out/' + file)
.on("finish", function() {
complete(true);
}));
});
});
});
}

3
test/index.js
View file

@ -1,3 +0,0 @@
require("./convert-images")(function() {
require("./run-compare");
});