function (res, err) { var img; if (!err && res.headers['content-type'] === 'image/png') { img = mapnik.Image.fromBytes(new Buffer(res.body, 'binary')); } return callback(err, res, img); }
assert.response(server, requestOptions, expectedResponse, function (res, err) { var img; if (statusCode === 200) { img = mapnik.Image.fromBytes(new Buffer(res.body, 'binary')); } return callback(err, res, img); });
function checkPreview (err, res) { assert.ifError(err); var next = this; var img = mapnik.Image.fromBytes(new Buffer(res.body, 'binary')); var previewFixturePath = previewFixture(scenario.name); assert.imageIsSimilarToFile(img, previewFixturePath, IMAGE_TOLERANCE, next); },
assert.response(server, request, expectedResponse, function(res, err) { assert.ifError(err); var image; if (isPng) { image = mapnik.Image.fromBytes(new Buffer(res.body, 'binary')); } next(null, res, image); });
testHelper.deleteRedisKeys({'user:localhost:mapviews:global': 5}, function() { return callback(err, mapnik.Image.fromBytes(new Buffer(res.body, 'binary'))); });