schema-evolution: update from HEAD (v5821)

git-svn-id: http://code.djangoproject.com/svn/django/branches/schema-evolution@5822 bcc190cf-cafb-0310-a4f2-bffc1f526a37

3 files changed, 160 insertions, 0 deletions

diff --git a/tests/regressiontests/maxlength/__init__.py b/tests/regressiontests/maxlength/__init__.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/regressiontests/maxlength/__init__.py
diff --git a/tests/regressiontests/maxlength/models.py b/tests/regressiontests/maxlength/models.py
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/tests/regressiontests/maxlength/models.py
diff --git a/tests/regressiontests/maxlength/tests.py b/tests/regressiontests/maxlength/tests.py
new file mode 100644
index 0000000000..8a5f874c78
--- /dev/null
+++ b/tests/regressiontests/maxlength/tests.py
@@ -0,0 +1,160 @@
+# Test access to max_length while still providing full backwards compatibility
+# with legacy maxlength attribute.
+"""
+
+Don't print out the deprecation warnings during testing.
+>>> from warnings import filterwarnings
+>>> filterwarnings("ignore")
+
+# legacy_maxlength function
+
+>>> from django.utils.maxlength import legacy_maxlength
+
+>>> legacy_maxlength(None, None)
+
+
+>>> legacy_maxlength(10, None)
+10
+
+>>> legacy_maxlength(None, 10)
+10
+
+>>> legacy_maxlength(10, 12)
+Traceback (most recent call last):
+...
+TypeError: field can not take both the max_length argument and the legacy maxlength argument.
+
+>>> legacy_maxlength(0, 10)
+Traceback (most recent call last):
+...
+TypeError: field can not take both the max_length argument and the legacy maxlength argument.
+
+>>> legacy_maxlength(0, None)
+0
+
+>>> legacy_maxlength(None, 0)
+0
+
+#===============================================================================
+# Fields
+#===============================================================================
+
+# Set up fields
+>>> from django.db.models import fields
+>>> new = fields.Field(max_length=15)
+>>> old = fields.Field(maxlength=10)
+
+# Ensure both max_length and legacy maxlength are not able to both be specified
+>>> fields.Field(maxlength=10, max_length=15)
+Traceback (most recent call last):
+    ...
+TypeError: field can not take both the max_length argument and the legacy maxlength argument.
+
+# Test max_length
+>>> new.max_length
+15
+>>> old.max_length
+10
+
+# Test accessing maxlength
+>>> new.maxlength
+15
+>>> old.maxlength
+10
+
+# Test setting maxlength
+>>> new.maxlength += 1
+>>> old.maxlength += 1
+>>> new.max_length
+16
+>>> old.max_length
+11
+
+# SlugField __init__ passes through max_length so test that too
+>>> fields.SlugField('new', max_length=15).max_length
+15
+>>> fields.SlugField('empty').max_length
+50
+>>> fields.SlugField('old', maxlength=10).max_length
+10
+
+#===============================================================================
+# (old)forms
+#===============================================================================
+
+>>> from django import oldforms
+
+# Test max_length attribute
+
+>>> oldforms.TextField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vTextField" name="new" size="30" value="" maxlength="15" />'
+
+>>> oldforms.IntegerField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vIntegerField" name="new" size="10" value="" maxlength="15" />'
+
+>>> oldforms.SmallIntegerField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vSmallIntegerField" name="new" size="5" value="" maxlength="15" />'
+
+>>> oldforms.PositiveIntegerField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vPositiveIntegerField" name="new" size="10" value="" maxlength="15" />'
+
+>>> oldforms.PositiveSmallIntegerField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vPositiveSmallIntegerField" name="new" size="5" value="" maxlength="15" />'
+
+>>> oldforms.DatetimeField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vDatetimeField" name="new" size="30" value="" maxlength="15" />'
+
+>>> oldforms.EmailField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vEmailField" name="new" size="50" value="" maxlength="15" />'
+>>> oldforms.EmailField('new').render('')
+u'<input type="text" id="id_new" class="vEmailField" name="new" size="50" value="" maxlength="75" />'
+
+>>> oldforms.URLField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vURLField" name="new" size="50" value="" maxlength="15" />'
+>>> oldforms.URLField('new').render('')
+u'<input type="text" id="id_new" class="vURLField" name="new" size="50" value="" maxlength="200" />'
+
+>>> oldforms.IPAddressField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vIPAddressField" name="new" size="15" value="" maxlength="15" />'
+>>> oldforms.IPAddressField('new').render('')
+u'<input type="text" id="id_new" class="vIPAddressField" name="new" size="15" value="" maxlength="15" />'
+
+>>> oldforms.CommaSeparatedIntegerField('new', max_length=15).render('')
+u'<input type="text" id="id_new" class="vCommaSeparatedIntegerField" name="new" size="20" value="" maxlength="15" />'
+
+
+# Test legacy maxlength attribute
+
+>>> oldforms.TextField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vTextField" name="old" size="30" value="" maxlength="10" />'
+
+>>> oldforms.IntegerField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vIntegerField" name="old" size="10" value="" maxlength="10" />'
+
+>>> oldforms.SmallIntegerField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vSmallIntegerField" name="old" size="5" value="" maxlength="10" />'
+
+>>> oldforms.PositiveIntegerField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vPositiveIntegerField" name="old" size="10" value="" maxlength="10" />'
+
+>>> oldforms.PositiveSmallIntegerField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vPositiveSmallIntegerField" name="old" size="5" value="" maxlength="10" />'
+
+>>> oldforms.DatetimeField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vDatetimeField" name="old" size="30" value="" maxlength="10" />'
+
+>>> oldforms.EmailField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vEmailField" name="old" size="50" value="" maxlength="10" />'
+
+>>> oldforms.URLField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vURLField" name="old" size="50" value="" maxlength="10" />'
+
+>>> oldforms.IPAddressField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vIPAddressField" name="old" size="15" value="" maxlength="10" />'
+
+>>> oldforms.CommaSeparatedIntegerField('old', maxlength=10).render('')
+u'<input type="text" id="id_old" class="vCommaSeparatedIntegerField" name="old" size="20" value="" maxlength="10" />'
+"""
+if __name__ == "__main__":
+    import doctest
+    doctest.testmod()