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Start making non-red-nodes tolerant to missing payloads

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dceejay
2015-03-31 13:18:25 +01:00
parent 32f6dc0346
commit 3896a82bd8
13 changed files with 210 additions and 122 deletions
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149
test/utility/exif/94-exif_spec.js
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@@ -35,40 +35,131 @@ describe('exif node', function() {
it('extracts location data from Exif data of JPEG', function(done) {
var exif = require('exif');
var ExifImage = exif.ExifImage;
// the jpg file is a single black dot but it was originally a photo taken at IBM Hursley
//console.log(process.cwd());
var data = fs.readFileSync("test/utility/exif/exif_test_image.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
//var data = fs.readFileSync("exif_test_image.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
var eD;
helper.load(exifNode, flow, function() {
var exifNode1 = helper.getNode("exifNode1");
var helperNode1 = helper.getNode("helperNode1");
new ExifImage({ image : data }, function (error, exifData) {
if (error) {
done(error);
} else {
eD = exifData;
}
var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
helper.load(exifNode, flow, function() {
var exifNode1 = helper.getNode("exifNode1");
var helperNode1 = helper.getNode("helperNode1");
helperNode1.on("input", function(msg) {
msg.location.lat.should.equal(50.95624); // this data is stored in the jpg file
msg.location.lon.should.equal(-1.36701);
done();
});
var stub = sinon.stub(ExifImage.prototype, 'loadImage', function(error, callback) {
stub.restore();
callback(null, eD);
});
exifNode1.receive({payload:data});
helperNode1.on("input", function(msg) {
msg.location.lat.should.equal(50.95624); // this data is stored in the jpg file
msg.location.lon.should.equal(-1.36701);
done();
});
});
exifNode1.receive({payload:data});
});
});
it('should report if no data found', function(done) {
var exif = require('exif');
var ExifImage = exif.ExifImage;
// the jpg file is a single black dot but it was originally a photo taken at IBM Hursley
//console.log(process.cwd());
var data = fs.readFileSync("test/utility/exif/exif_test_image2.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
//var data = fs.readFileSync("exif_test_image2.jpg", null); // extracting genuine exif data to be fed back as the result of the stubbed ExifImage constructor
var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
helper.load(exifNode, flow, function() {
var exifNode1 = helper.getNode("exifNode1");
var helperNode1 = helper.getNode("helperNode1");
setTimeout(function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "exif";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("The incoming image did not contain Exif GPS");
done();
},150);
exifNode1.receive({payload:data});
});
});
it('should report if not a jpeg', function(done) {
var exif = require('exif');
var ExifImage = exif.ExifImage;
// the jpg file is a single black dot but it was originally a photo taken at IBM Hursley
var data = new Buffer("hello");
var eD;
var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
helper.load(exifNode, flow, function() {
var exifNode1 = helper.getNode("exifNode1");
var helperNode1 = helper.getNode("helperNode1");
setTimeout(function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "exif";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("Error: The given image is not a JPEG");
done();
},150);
exifNode1.receive({payload:data});
});
});
it('should report if bad payload', function(done) {
var exif = require('exif');
var ExifImage = exif.ExifImage;
var data = "hello";
var eD;
var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
helper.load(exifNode, flow, function() {
var exifNode1 = helper.getNode("exifNode1");
var helperNode1 = helper.getNode("helperNode1");
setTimeout(function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "exif";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("Invalid payload received, ");
done();
},150);
exifNode1.receive({payload:data});
});
});
it('should report if no payload', function(done) {
var exif = require('exif');
var ExifImage = exif.ExifImage;
var data = new Buffer("hello");
var eD;
var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
{id:"helperNode1", type:"helper"}];
helper.load(exifNode, flow, function() {
var exifNode1 = helper.getNode("exifNode1");
var helperNode1 = helper.getNode("helperNode1");
setTimeout(function() {
var logEvents = helper.log().args.filter(function(evt) {
return evt[0].type == "exif";
});
logEvents.should.have.length(1);
logEvents[0][0].should.have.a.property('msg');
logEvents[0][0].msg.toString().should.startWith("No payload received, ");
done();
},150);
exifNode1.receive({topic:data});
});
});
});

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