161 lines
5.9 KiB
Python
161 lines
5.9 KiB
Python
# Test access to max_length while still providing full backwards compatibility
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# with legacy maxlength attribute.
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"""
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Don't print out the deprecation warnings during testing.
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>>> from warnings import filterwarnings
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>>> filterwarnings("ignore")
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# legacy_maxlength function
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>>> from django.utils.maxlength import legacy_maxlength
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>>> legacy_maxlength(None, None)
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>>> legacy_maxlength(10, None)
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10
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>>> legacy_maxlength(None, 10)
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10
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>>> legacy_maxlength(10, 12)
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Traceback (most recent call last):
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...
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TypeError: field can not take both the max_length argument and the legacy maxlength argument.
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>>> legacy_maxlength(0, 10)
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Traceback (most recent call last):
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...
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TypeError: field can not take both the max_length argument and the legacy maxlength argument.
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>>> legacy_maxlength(0, None)
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0
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>>> legacy_maxlength(None, 0)
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0
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#===============================================================================
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# Fields
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#===============================================================================
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# Set up fields
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>>> from django.db.models import fields
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>>> new = fields.Field(max_length=15)
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>>> old = fields.Field(maxlength=10)
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# Ensure both max_length and legacy maxlength are not able to both be specified
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>>> fields.Field(maxlength=10, max_length=15)
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Traceback (most recent call last):
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...
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TypeError: field can not take both the max_length argument and the legacy maxlength argument.
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# Test max_length
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>>> new.max_length
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15
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>>> old.max_length
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10
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# Test accessing maxlength
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>>> new.maxlength
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15
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>>> old.maxlength
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10
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# Test setting maxlength
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>>> new.maxlength += 1
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>>> old.maxlength += 1
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>>> new.max_length
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16
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>>> old.max_length
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11
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# SlugField __init__ passes through max_length so test that too
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>>> fields.SlugField('new', max_length=15).max_length
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15
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>>> fields.SlugField('empty').max_length
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50
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>>> fields.SlugField('old', maxlength=10).max_length
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10
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#===============================================================================
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# (old)forms
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#===============================================================================
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>>> from django import oldforms
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# Test max_length attribute
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>>> oldforms.TextField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vTextField" name="new" size="30" value="" maxlength="15" />'
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>>> oldforms.IntegerField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vIntegerField" name="new" size="10" value="" maxlength="15" />'
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>>> oldforms.SmallIntegerField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vSmallIntegerField" name="new" size="5" value="" maxlength="15" />'
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>>> oldforms.PositiveIntegerField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vPositiveIntegerField" name="new" size="10" value="" maxlength="15" />'
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>>> oldforms.PositiveSmallIntegerField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vPositiveSmallIntegerField" name="new" size="5" value="" maxlength="15" />'
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>>> oldforms.DatetimeField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vDatetimeField" name="new" size="30" value="" maxlength="15" />'
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>>> oldforms.EmailField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vEmailField" name="new" size="50" value="" maxlength="15" />'
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>>> oldforms.EmailField('new').render('')
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u'<input type="text" id="id_new" class="vEmailField" name="new" size="50" value="" maxlength="75" />'
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>>> oldforms.URLField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vURLField" name="new" size="50" value="" maxlength="15" />'
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>>> oldforms.URLField('new').render('')
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u'<input type="text" id="id_new" class="vURLField" name="new" size="50" value="" maxlength="200" />'
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>>> oldforms.IPAddressField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vIPAddressField" name="new" size="15" value="" maxlength="15" />'
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>>> oldforms.IPAddressField('new').render('')
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u'<input type="text" id="id_new" class="vIPAddressField" name="new" size="15" value="" maxlength="15" />'
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>>> oldforms.CommaSeparatedIntegerField('new', max_length=15).render('')
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u'<input type="text" id="id_new" class="vCommaSeparatedIntegerField" name="new" size="20" value="" maxlength="15" />'
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# Test legacy maxlength attribute
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>>> oldforms.TextField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vTextField" name="old" size="30" value="" maxlength="10" />'
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>>> oldforms.IntegerField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vIntegerField" name="old" size="10" value="" maxlength="10" />'
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>>> oldforms.SmallIntegerField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vSmallIntegerField" name="old" size="5" value="" maxlength="10" />'
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>>> oldforms.PositiveIntegerField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vPositiveIntegerField" name="old" size="10" value="" maxlength="10" />'
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>>> oldforms.PositiveSmallIntegerField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vPositiveSmallIntegerField" name="old" size="5" value="" maxlength="10" />'
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>>> oldforms.DatetimeField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vDatetimeField" name="old" size="30" value="" maxlength="10" />'
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>>> oldforms.EmailField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vEmailField" name="old" size="50" value="" maxlength="10" />'
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>>> oldforms.URLField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vURLField" name="old" size="50" value="" maxlength="10" />'
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>>> oldforms.IPAddressField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vIPAddressField" name="old" size="15" value="" maxlength="10" />'
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>>> oldforms.CommaSeparatedIntegerField('old', maxlength=10).render('')
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u'<input type="text" id="id_old" class="vCommaSeparatedIntegerField" name="old" size="20" value="" maxlength="10" />'
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"""
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if __name__ == "__main__":
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import doctest
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doctest.testmod()
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