Add tests from

https://github.com/mayanklahiri/easyexif/tree/master/test-images

package.json

@@ -1,15 +1,21 @@
 {
   "name" : "exif",
-  "version" : "0.5.1",
+  "version" : "0.6.0",
   "description" : "A node.js library to extract Exif metadata from images.",
-  "author" : "Daniel Leinich <[email protected]>",
-  "keywords" : ["exif", "image", "jpeg", "jpg", "tiff", "makernotes", "gps"],
+  "author" : [ "Daniel Leinich <[email protected]>", "Olivier Oeuillot <[email protected]>" ],
+  "keywords" : ["exif", "image", "jpeg", "jpg", "makernotes", "gps"],
   "main" : "./lib/exif",
   "repository" : {
     "type" : "git",
     "url" : "http://github.com/gomfunkel/node-exif.git"
   },
   "dependencies": {
-    "debug": "2.2"
+    "debug": "^2.2"
+  },
+  "devDependencies": {
+    "mocha": "^2.4"
+  },
+  "scripts": {
+    "test": "node_modules/.bin/mocha --reporter spec test/*-test.js"
   }
 }

test/api-test.js

@@ -0,0 +1,129 @@
+var assert = require('assert');
+var fs=require('fs');
+var Path = require('path');
+
+describe('node-exif API', function() {
+
+  var path=Path.join(__dirname, "evil1.jpg");
+  var json='{"image":{"Make":"Canon","Model":"Canon PowerShot S400","Orientation":1,"XResolution":180,"YResolution":180,"ResolutionUnit":2,"Software":"Adobe Photoshop 7.0","ModifyDate":"2003:05:25 11:11:41","YCbCrPositioning":1,"ExifOffset":217},"thumbnail":{"Compression":6,"XResolution":72,"YResolution":72,"ResolutionUnit":2,"ThumbnailOffset":1057,"ThumbnailLength":6298},"exif":{"ExposureTime":0.125,"FNumber":2.8,"ExifVersion":{"type":"Buffer","data":[48,50,50,48]},"DateTimeOriginal":"2003:05:24 16:40:33","CreateDate":"2003:05:24 16:40:33","ComponentsConfiguration":{"type":"Buffer","data":[1,2,3,0]},"CompressedBitsPerPixel":3,"ShutterSpeedValue":3,"ApertureValue":2.96875,"ExposureCompensation":0,"MaxApertureValue":2.96875,"MeteringMode":5,"Flash":16,"FocalLength":7.40625,"UserComment":{"type":"Buffer","data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},"FlashpixVersion":{"type":"Buffer","data":[48,49,48,48]},"ColorSpace":1,"ExifImageWidth":400,"ExifImageHeight":300,"FocalPlaneXResolution":8114.285714285715,"FocalPlaneYResolution":8114.285714285715,"FocalPlaneResolutionUnit":2,"SensingMethod":2,"FileSource":{"type":"Buffer","data":[3]},"CustomRendered":0,"ExposureMode":0,"WhiteBalance":0,"DigitalZoomRatio":1,"SceneCaptureType":0},"gps":{},"interoperability":{},"makernote":{}}';
+
+
+  it('test constructor (filename)', function(done) {
+
+    var ExifImage = require('..').ExifImage;
+
+    new ExifImage({image: path }, function(error, data) {
+      if (error) {
+        throw error;
+      }
+
+      assert.equal(JSON.stringify(data), json, "Not same datas ?");
+
+      done();
+    });
+  });
+
+  it('test constructor (buffer)', function(done) {
+
+    var ExifImage = require('..').ExifImage;
+
+    var buffer=fs.readFileSync(path);
+
+    new ExifImage({image: buffer }, function(error, data) {
+      if (error) {
+        throw error;
+      }
+
+      assert.equal(JSON.stringify(data), json, "Not same datas ?");
+
+      done();
+    });
+  });
+
+  it('test loadImage (buffer)', function(done) {
+
+    var ExifImage = require('..').ExifImage;
+
+    var exif=new ExifImage();
+
+    exif.loadImage(path, function(error, data) {
+      if (error) {
+        throw error;
+      }
+
+      assert.equal(JSON.stringify(data), json, "Not same datas ?");
+
+      done();
+    });
+  });
+
+  it('test loadImage (filename)', function(done) {
+
+    var ExifImage = require('..').ExifImage;
+
+    var buffer=fs.readFileSync(path);
+
+    var exif=new ExifImage();
+
+    exif.loadImage(buffer , function(error, data) {
+      if (error) {
+        throw error;
+      }
+
+      assert.equal(JSON.stringify(data), json, "Not same datas");
+
+      done();
+    });
+  });
+
+  it('test wrapper', function(done) {
+
+    var Exif = require('..');
+
+    Exif(path, function(error, data, dataPath) {
+      if (error) {
+        throw error;
+      }
+
+      assert.equal(dataPath, path, "Not same path");
+      delete data.path;
+
+      assert.equal(JSON.stringify(data), json, "Not same datas ?");
+
+      done();
+    });
+  });
+});
+
+describe('node-exif tests', function() {
+  var ExifImage = require('..').ExifImage;
+
+  var files=fs.readdirSync(__dirname);
+
+  files.forEach(function(f) {
+    if (!/\.jpg$/.exec(f)) {
+      return;
+    }
+
+    var path=Path.join(__dirname, f);
+
+    it('test '+f, function(done) {
+      var expected=String(fs.readFileSync(path+".json"));
+
+      new ExifImage({image: path }, function(error, data) {
+        if (error) {
+          throw error;
+        }
+
+        var json=JSON.stringify(data);
+
+        //console.log("    data=", json, json.length);
+        // console.log("expected=", expected, expected.length);
+
+        assert.equal(json, expected, "Data are not the same");
+
+        done();
+      });
+    });
+  });
+});

test/down-mirrored.jpg.expected

@@ -0,0 +1,34 @@
+Camera make          : 
+Camera model         : 
+Software             : 
+Bits per sample      : 0
+Image width          : 0
+Image height         : 0
+Image description    : 
+Image orientation    : 4
+Image copyright      : 
+Image date/time      : 
+Original date/time   : 
+Digitize date/time   : 
+Subsecond time       : 
+Exposure time        : 1/0 s
+F-stop               : f/0.0
+ISO speed            : 0
+Subject distance     : 0.000000 m
+Exposure bias        : 0.000000 EV
+Flash used?          : 0
+Metering mode        : 0
+Lens focal length    : 0.000000 mm
+35mm focal length    : 0 mm
+GPS Latitude         : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Longitude        : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Altitude         : 0.000000 m
+GPS Precision (DOP)  : 0.000000
+Lens min focal length: 0.000000 mm
+Lens max focal length: 0.000000 mm
+Lens f-stop min      : f/0.0
+Lens f-stop max      : f/0.0
+Lens make            : 
+Lens model           : 
+Focal plane XRes     : 0.000000
+Focal plane YRes     : 0.000000

test/down-mirrored.jpg.json

@@ -0,0 +1 @@
+{"image":{"Orientation":4,"XResolution":28,"YResolution":28,"ResolutionUnit":3,"YCbCrPositioning":1},"thumbnail":{},"exif":{},"gps":{},"interoperability":{},"makernote":{}}

test/evil1.jpg.expected

@@ -0,0 +1,34 @@
+Camera make          : Canon
+Camera model         : Canon PowerShot S400
+Software             : Adobe Photoshop 7.0
+Bits per sample      : 0
+Image width          : 400
+Image height         : 300
+Image description    : 
+Image orientation    : 1
+Image copyright      : 
+Image date/time      : 2003:05:25 11:11:41
+Original date/time   : 2003:05:24 16:40:33
+Digitize date/time   : 2003:05:24 16:40:33
+Subsecond time       : 
+Exposure time        : 1/8 s
+F-stop               : f/2.8
+ISO speed            : 0
+Subject distance     : 0.000000 m
+Exposure bias        : 0.000000 EV
+Flash used?          : 1
+Metering mode        : 5
+Lens focal length    : 7.406250 mm
+35mm focal length    : 0 mm
+GPS Latitude         : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Longitude        : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Altitude         : 0.000000 m
+GPS Precision (DOP)  : 0.000000
+Lens min focal length: 0.000000 mm
+Lens max focal length: 0.000000 mm
+Lens f-stop min      : f/0.0
+Lens f-stop max      : f/0.0
+Lens make            : 
+Lens model           : 
+Focal plane XRes     : 8114.285714
+Focal plane YRes     : 8114.285714

test/evil1.jpg.json

@@ -0,0 +1 @@
+{"image":{"Make":"Canon","Model":"Canon PowerShot S400","Orientation":1,"XResolution":180,"YResolution":180,"ResolutionUnit":2,"Software":"Adobe Photoshop 7.0","ModifyDate":"2003:05:25 11:11:41","YCbCrPositioning":1,"ExifOffset":217},"thumbnail":{"Compression":6,"XResolution":72,"YResolution":72,"ResolutionUnit":2,"ThumbnailOffset":1057,"ThumbnailLength":6298},"exif":{"ExposureTime":0.125,"FNumber":2.8,"ExifVersion":{"type":"Buffer","data":[48,50,50,48]},"DateTimeOriginal":"2003:05:24 16:40:33","CreateDate":"2003:05:24 16:40:33","ComponentsConfiguration":{"type":"Buffer","data":[1,2,3,0]},"CompressedBitsPerPixel":3,"ShutterSpeedValue":3,"ApertureValue":2.96875,"ExposureCompensation":0,"MaxApertureValue":2.96875,"MeteringMode":5,"Flash":16,"FocalLength":7.40625,"UserComment":{"type":"Buffer","data":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]},"FlashpixVersion":{"type":"Buffer","data":[48,49,48,48]},"ColorSpace":1,"ExifImageWidth":400,"ExifImageHeight":300,"FocalPlaneXResolution":8114.285714285715,"FocalPlaneYResolution":8114.285714285715,"FocalPlaneResolutionUnit":2,"SensingMethod":2,"FileSource":{"type":"Buffer","data":[3]},"CustomRendered":0,"ExposureMode":0,"WhiteBalance":0,"DigitalZoomRatio":1,"SceneCaptureType":0},"gps":{},"interoperability":{},"makernote":{}}

test/lens_info.jpg.expected

@@ -0,0 +1,34 @@
+Camera make          : 
+Camera model         : 
+Software             : 
+Bits per sample      : 0
+Image width          : 0
+Image height         : 0
+Image description    : 
+Image orientation    : 0
+Image copyright      : 
+Image date/time      : 
+Original date/time   : 
+Digitize date/time   : 
+Subsecond time       : 
+Exposure time        : 1/0 s
+F-stop               : f/0.0
+ISO speed            : 0
+Subject distance     : 0.000000 m
+Exposure bias        : 0.000000 EV
+Flash used?          : 0
+Metering mode        : 0
+Lens focal length    : 0.000000 mm
+35mm focal length    : 0 mm
+GPS Latitude         : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Longitude        : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Altitude         : 0.000000 m
+GPS Precision (DOP)  : 0.000000
+Lens min focal length: 10.000000 mm
+Lens max focal length: 400.000000 mm
+Lens f-stop min      : f/1.1
+Lens f-stop max      : f/1.2
+Lens make            : Lens Maker Inc.
+Lens model           : Lens Model mk I
+Focal plane XRes     : 0.000000
+Focal plane YRes     : 0.000000

test/lens_info.jpg.json

@@ -0,0 +1 @@
+{"image":{"XResolution":96,"YResolution":96,"ResolutionUnit":2,"YCbCrPositioning":1,"ExifOffset":90},"thumbnail":{},"exif":{"ExifVersion":{"type":"Buffer","data":[48,50,51,48]},"ComponentsConfiguration":{"type":"Buffer","data":[1,2,3,0]},"FlashpixVersion":{"type":"Buffer","data":[48,49,48,48]},"ColorSpace":65535,"LensInfo":[10,400,1.1,1.2],"LensMake":"Lens Maker Inc.","LensModel":"Lens Model mk I","LensSerialNumber":"123"},"gps":{},"interoperability":{},"makernote":{}}

test/right.jpg.expected

@@ -0,0 +1,34 @@
+Camera make          : 
+Camera model         : 
+Software             : 
+Bits per sample      : 0
+Image width          : 0
+Image height         : 0
+Image description    : 
+Image orientation    : 8
+Image copyright      : 
+Image date/time      : 
+Original date/time   : 
+Digitize date/time   : 
+Subsecond time       : 
+Exposure time        : 1/0 s
+F-stop               : f/0.0
+ISO speed            : 0
+Subject distance     : 0.000000 m
+Exposure bias        : 0.000000 EV
+Flash used?          : 0
+Metering mode        : 0
+Lens focal length    : 0.000000 mm
+35mm focal length    : 0 mm
+GPS Latitude         : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Longitude        : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Altitude         : 0.000000 m
+GPS Precision (DOP)  : 0.000000
+Lens min focal length: 0.000000 mm
+Lens max focal length: 0.000000 mm
+Lens f-stop min      : f/0.0
+Lens f-stop max      : f/0.0
+Lens make            : 
+Lens model           : 
+Focal plane XRes     : 0.000000
+Focal plane YRes     : 0.000000

test/right.jpg.json

@@ -0,0 +1 @@
+{"image":{"Orientation":8,"XResolution":28,"YResolution":28,"ResolutionUnit":3,"YCbCrPositioning":1},"thumbnail":{},"exif":{},"gps":{},"interoperability":{},"makernote":{}}

test/short-ascii-II.jpg.expected

@@ -0,0 +1,34 @@
+Camera make          : XIAOMI
+Camera model         : MI3
+Software             : 
+Bits per sample      : 0
+Image width          : 4208
+Image height         : 3120
+Image description    : 
+Image orientation    : 1
+Image copyright      : 
+Image date/time      : 2015:02:28 17:10:49
+Original date/time   : 2015:02:28 17:10:49
+Digitize date/time   : 2015:02:28 17:10:49
+Subsecond time       : 
+Exposure time        : 1/20 s
+F-stop               : f/2.2
+ISO speed            : 250
+Subject distance     : 0.000000 m
+Exposure bias        : 0.000000 EV
+Flash used?          : 1
+Metering mode        : 2
+Lens focal length    : 3.510000 mm
+35mm focal length    : 0 mm
+GPS Latitude         : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Longitude        : 0.000000 deg (0.000000 deg, 0.000000 min, 0.000000 sec ?)
+GPS Altitude         : 0.000000 m
+GPS Precision (DOP)  : 0.000000
+Lens min focal length: 0.000000 mm
+Lens max focal length: 0.000000 mm
+Lens f-stop min      : f/0.0
+Lens f-stop max      : f/0.0
+Lens make            : 
+Lens model           : 
+Focal plane XRes     : 0.000000
+Focal plane YRes     : 0.000000