diff options
Diffstat (limited to 'unittest/exif.py')
| -rw-r--r-- | unittest/exif.py | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/unittest/exif.py b/unittest/exif.py index 86eab63..0f7df8f 100644 --- a/unittest/exif.py +++ b/unittest/exif.py @@ -25,7 +25,7 @@ # ****************************************************************************** import unittest -from pyexiv2 import ExifTag, ExifValueError +from pyexiv2 import ExifTag, ExifValueError, Rational import datetime @@ -129,6 +129,42 @@ class TestExifTag(unittest.TestCase): self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, 'invalid', xtype) self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, 3.14, xtype) + def test_convert_to_python_rational(self): + xtype = 'Rational' + # Valid values + self.assertEqual(ExifTag._convert_to_python('5/3', xtype, None), Rational(5, 3)) + # Invalid values + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, 'invalid', xtype, None) + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '-5/3', xtype, None) + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '5 / 3', xtype, None) + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '5/-3', xtype, None) + + def test_convert_to_string_rational(self): + xtype = 'Rational' + # Valid values + self.assertEqual(ExifTag._convert_to_string(Rational(5, 3), xtype), '5/3') + # Invalid values + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, 'invalid', xtype) + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, Rational(-5, 3), xtype) + + def test_convert_to_python_srational(self): + xtype = 'SRational' + # Valid values + self.assertEqual(ExifTag._convert_to_python('5/3', xtype, None), Rational(5, 3)) + self.assertEqual(ExifTag._convert_to_python('-5/3', xtype, None), Rational(-5, 3)) + # Invalid values + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, 'invalid', xtype, None) + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '5 / 3', xtype, None) + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_python, '5/-3', xtype, None) + + def test_convert_to_string_srational(self): + xtype = 'SRational' + # Valid values + self.assertEqual(ExifTag._convert_to_string(Rational(5, 3), xtype), '5/3') + self.assertEqual(ExifTag._convert_to_string(Rational(-5, 3), xtype), '-5/3') + # Invalid values + self.failUnlessRaises(ExifValueError, ExifTag._convert_to_string, 'invalid', xtype) + def test_convert_to_python_undefined(self): xtype = 'Undefined' # Valid values |