to have metadata satisfying

  • <string> to have metadata satisfying <any>

Asserts that an image has metadata that satisfies a given spec.

return expect('magic-pen-6-colours.jpg', 'to have metadata satisfying', {
    format: 'JPEG',
    'Channel Depths': {
        Gray: '8 bits'
    },
    size: {
        height: 400,
        width: 200
    }
});
expected
to have metadata satisfying
{
  
format'JPEG',
'Channel Depths': { Gray'8 bits' },
size: { height400width200 }
}
 
{
  
Format'JPEG (Joint Photographic Experts Group JFIF format)',
  
format'JPEG',
  
Geometry'380x248',
  
size: {
  
width380
//
 
should equal 
200
  
height248 
//
 
should equal 
400
},
  
Class'DirectClass',
  
Type'true color',
  
Depth'8 bits-per-pixel component',
  
depth8,
  
'Channel Depths': {
  
Red'8 bits',
  
Green'8 bits',
  
Blue'8 bits'
  // missing 
Gray'8 bits'
},
  
'Channel Statistics': {
  
Red: {
  
Minimum'4626.00 (0.0706)',
Maximum'65535.00 (1.0000)',
Mean'59679.23 (0.9106)',
'Standard Deviation''11628.66 (0.1774)'
},
Green: {
  
Minimum'7710.00 (0.1176)',
Maximum'65535.00 (1.0000)',
Mean'57725.47 (0.8808)',
'Standard Deviation''14235.62 (0.2172)'
},
Blue: {
  
Minimum'0.00 (0.0000)',
Maximum'65535.00 (1.0000)',
Mean'54870.56 (0.8373)',
'Standard Deviation''19212.51 (0.2932)'
}
},
  
Filesize'13.2K',
  
Interlace'No',
  
Orientation'TopLeft',
  
'Background Color''white',
  
'Border Color''#DFDFDF',
  
'Matte Color''#BDBDBD',
  
'Page geometry''380x248+0+0',
  
Compose'Over',
  
Dispose'Undefined',
  
Iterations'0',
  
Compression'JPEG',
  
'JPEG-Quality''85',
  
'JPEG-Colorspace''2',
  
'JPEG-Colorspace-Name''RGB',
  
'JPEG-Sampling-factors''2x2,1x1,1x1',
  
Signature'5acb0f0d4e02a3b565f723d59290032e96df8c89989f41a71900741ce512beb4',
  
'Profile-EXIF': {
  
Orientation'1''X Resolution''72''Y Resolution''72',
'Resolution Unit''2''Date Time''2014:07:13 16:21:04',
'Y Cb Cr Positioning''1''Exif Offset''144''Exif Version''0221',
'Components Configuration''\\001\\002\\003\\000',
'Flash Pix Version''0100''Color Space''1',
'Exif Image Width''380''Exif Image Length''248'
},
  
path'magic-pen-6-colours.jpg'
}

License

Unexpected-image is licensed under a standard 3-clause BSD license -- see the LICENSE file for details.