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57 lines
1.2 KiB
57 lines
1.2 KiB
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var assert = require('assert')
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var fs = require('fs');
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module.exports = function (gm, dir, finish, GM) {
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/*
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assert.throws(function () {
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gm.stream()
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}, /expects a callback/);
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assert.throws(function () {
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gm.stream('PNG')
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}, /expects a callback/);
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*/
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if (!GM.integration)
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return finish();
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withCallback(function (err) {
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if (err) return finish(err);
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withoutCallback(function (err) {
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if (err) return finish(err);
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checkOutputFormat(finish);
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});
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});
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function withCallback(done) {
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gm
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.stream('PNG', function streamOut (err, stdout, stderr) {
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if (err) return done(err);
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stdout.pipe(fs.createWriteStream(dir + '/streamOut.png'));
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stdout.on('error', done);
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stdout.on('close', done);
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});
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}
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function withoutCallback(done) {
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var stream = gm.stream('PNG')
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stream.on('error', done)
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stream.pipe(fs.createWriteStream(dir + '/streamOut2.png'))
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stream.on('end', done)
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}
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function checkOutputFormat(done) {
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var stream = gm.stream('PNG')
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stream.on('error', done)
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GM(stream).format(function (err, value) {
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if (err)
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return done(err)
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assert.equal(value.toLowerCase(), 'png')
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done()
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})
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}
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}
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