Exif data reader and extractor

2 files changed, 48 insertions, 0 deletions

diff --git a/test/reader/test_exif.py b/test/reader/test_exif.py
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+++ b/test/reader/test_exif.py
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+"""
+
+Part of the bsie test suite.
+A copy of the license is provided with the project.
+Author: Matthias Baumgartner, 2022
+"""
+# standard imports
+import os
+import unittest
+
+# bsie imports
+from bsie.utils import errors
+
+# objects to test
+from bsie.reader.exif import Exif
+
+
+## code ##
+
+class TestExif(unittest.TestCase):
+    def test_call(self):
+        rdr = Exif()
+        # discards non-image files
+        self.assertRaises(errors.UnsupportedFileFormatError, rdr, 'invalid.doc')
+        # raises on invalid image files
+        self.assertRaises(errors.ReaderError, rdr, 'invalid.jpg')
+        # returns dict with exif info
+        self.assertDictEqual(rdr(os.path.join(os.path.dirname(__file__), 'testimage_exif.jpg')), {
+            'Exif.Image.Artist': 'nobody',
+            'Exif.Image.ExifTag': '110',
+            'Exif.Image.ResolutionUnit': '2',
+            'Exif.Image.XResolution': '300/1',
+            'Exif.Image.YCbCrPositioning': '1',
+            'Exif.Image.YResolution': '300/1',
+            'Exif.Photo.ColorSpace': '65535',
+            'Exif.Photo.ComponentsConfiguration': '1 2 3 0',
+            'Exif.Photo.ExifVersion': '48 50 51 50',
+            'Exif.Photo.FlashpixVersion': '48 49 48 48',
+            'Exif.Photo.ISOSpeedRatings': '200',
+            })
+
+
+## main ##
+
+if __name__ == '__main__':
+    unittest.main()
+
+## EOF ##
diff --git a/test/reader/testimage_exif.jpg b/test/reader/testimage_exif.jpg
new file mode 100644
index 0000000..a774bc2
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+++ b/test/reader/testimage_exif.jpg