mirror of
https://github.com/node-red/node-red-nodes.git
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294 lines
11 KiB
JavaScript
294 lines
11 KiB
JavaScript
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// var should = require("should");
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var sinon = require('sinon');
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var fs = require("fs");
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var helper = require("node-red-node-test-helper");
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var exifNode = require('../../../utility/exif/94-exif.js');
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// var exif = require('exif');
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var path = require("path");
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var image = fs.readFileSync(path.join(__dirname,"test.jpeg"));
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describe('exif node', function() {
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"use strict";
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beforeEach(function(done) {
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helper.startServer(done);
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});
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afterEach(function(done) {
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helper.unload().then(function() {
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helper.stopServer(done);
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});
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});
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it('extracts location data from Exif data of JPEG', function(done) {
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//var ExifImage = exif.ExifImage;
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// the jpg file is a single black dot but it was originally a photo taken at IBM Hursley
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//console.log(process.cwd());
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//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
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//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
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var flow = [{id:"exifNode1", type:"exif", mode:"normal", property:"payload", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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// var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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// GPSLatitude: [ 50, 57, 22.4697 ],
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// GPSLongitudeRef: 'W',
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// GPSLongitude: [ 1, 22, 1.2467 ],
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// GPSAltitudeRef: 0,
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// GPSAltitude: 50,
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// GPSTimeStamp: [ 7, 32, 2 ],
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// GPSImgDirectionRef: 'M',
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// GPSImgDirection: 267,
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// GPSProcessingMethod: 'ASCII\u0000\u0000\u0000FUSED',
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// GPSDateStamp: '2014:06:10' }
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// };
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// var stub = sinon.stub(exif, 'ExifImage').callsFake(function(arg1,arg2) {
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// console.log("DING",arg1,arg2);
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// arg2(null,gpsmsg);
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// });
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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// exif.ExifImage.restore();
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msg.location.lat.should.equal(51.04365); // this data is stored in the jpg file
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msg.location.lon.should.equal(-1.31525);
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done();
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});
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exifNode1.receive({payload:image});
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});
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});
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it.skip('extracts location data in Southern and Eastern hemispheres', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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// the jpg file is a single black dot but it was originally a photo taken at IBM Hursley
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//console.log(process.cwd());
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//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
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//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
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'S',
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GPSLatitude: [ 50, 57, 22.4697 ],
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GPSLongitudeRef: 'E',
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GPSLongitude: [ 1, 22, 1.2467 ],
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GPSTimeStamp: [ 7, 32, 2 ],
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GPSImgDirectionRef: 'M',
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GPSImgDirection: 267,
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GPSProcessingMethod: 'ASCII\u0000\u0000\u0000FUSED',
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GPSDateStamp: '2014:06:10' }
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};
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var spy = sinon.stub(exif, 'ExifImage').callsFake(function(arg1,arg2) {
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arg2(null,gpsmsg);
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});
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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helperNode1.on("input", function(msg) {
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exif.ExifImage.restore();
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msg.location.lat.should.equal(-50.95624); // this data is stored in the jpg file
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msg.location.lon.should.equal(1.36701);
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done();
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});
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exifNode1.receive({payload:new Buffer.from("hello")});
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});
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});
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it('should report if not a jpeg', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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// this time just use a buffer that isn't an jpeg image
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var data = new Buffer.from("hello");
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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setTimeout(function() {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "exif";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("Error: The given image is not a JPEG");
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done();
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},150);
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exifNode1.receive({payload:data});
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});
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});
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it('should report if bad payload', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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var data = "hello";
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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setTimeout(function() {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "exif";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("Invalid payload received, ");
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done();
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},150);
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exifNode1.receive({payload:data});
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});
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});
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it('should report if no payload', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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var data = new Buffer.from("hello");
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var flow = [{id:"exifNode1", type:"exif", property:"payload", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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setTimeout(function() {
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "exif";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("No input received, ");
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done();
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},150);
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exifNode1.receive({topic:data});
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});
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});
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it.skip('should report if bad latitude', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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var data = new Buffer.from("hello");
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57 ],
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GPSLongitudeRef: 'W',
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GPSLongitude: [ 1, 22, 1.2467 ],
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GPSAltitudeRef: 0,
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GPSAltitude: 50,
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GPSTimeStamp: [ 7, 32, 2 ] }
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};
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var spy = sinon.stub(exif, 'ExifImage').callsFake( function(arg1,arg2){
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arg2(null,gpsmsg);
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});
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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setTimeout(function() {
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exif.ExifImage.restore();
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "exif";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("Invalid latitude data,");
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done();
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},150);
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exifNode1.receive({payload:data});
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});
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});
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it.skip('should report if bad longitude', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57, 1.3 ],
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GPSLongitudeRef: 'W',
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GPSLongitude: [ 1, 22 ],
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GPSAltitudeRef: 0,
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GPSAltitude: 50,
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GPSTimeStamp: [ 7, 32, 2 ] }
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};
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var spy = sinon.stub(exif, 'ExifImage').callsFake( function(arg1,arg2){
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arg2(null,gpsmsg);
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});
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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setTimeout(function() {
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exif.ExifImage.restore();
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "exif";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("Invalid longitude data,");
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done();
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},150);
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exifNode1.receive({payload:data});
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});
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});
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it.skip('should report if unsure about location', function(done) {
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var exif = require('exif');
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var ExifImage = exif.ExifImage;
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var data = new Buffer.from("hello");
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var eD;
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var flow = [{id:"exifNode1", type:"exif", wires:[["helperNode1"]]},
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{id:"helperNode1", type:"helper"}];
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var gpsmsg = { gps: { GPSLatitudeRef: 'N',
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GPSLatitude: [ 50, 57, 1.3 ],
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GPSAltitudeRef: 0,
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GPSAltitude: 50,
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GPSTimeStamp: [ 7, 32, 2 ] }
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};
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var spy = sinon.stub(exif, 'ExifImage').callsFake( function(arg1,arg2) {
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arg2(null,gpsmsg);
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});
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helper.load(exifNode, flow, function() {
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var exifNode1 = helper.getNode("exifNode1");
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var helperNode1 = helper.getNode("helperNode1");
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setTimeout(function() {
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exif.ExifImage.restore();
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var logEvents = helper.log().args.filter(function(evt) {
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return evt[0].type == "exif";
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});
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logEvents.should.have.length(1);
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logEvents[0][0].should.have.a.property('msg');
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logEvents[0][0].msg.toString().should.startWith("The location of this image cannot be determined safely");
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done();
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},150);
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exifNode1.receive({payload:data});
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});
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});
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});
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