Add ISO 8601 date constraint
Add a constraint to validate that dates are expressed in the format described by ISO 8601. Implements: blueprint iso8601-constraint Change-Id: I1a7e5b75eab94dc78399347517217221c6ad475c
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heat/engine/resources/iso_8601.py
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heat/engine/resources/iso_8601.py
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import iso8601
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class ISO8601Constraint(object):
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def validate(self, value, context):
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try:
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iso8601.parse_date(value)
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except Exception:
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return False
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else:
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return True
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def constraint_mapping():
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return {'iso_8601': ISO8601Constraint}
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heat/tests/test_iso_8601.py
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heat/tests/test_iso_8601.py
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from heat.engine.resources import iso_8601
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from heat.tests.common import HeatTestCase
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class TestISO8601Constraint(HeatTestCase):
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def setUp(self):
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super(TestISO8601Constraint, self).setUp()
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self.constraint = iso_8601.ISO8601Constraint()
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def test_validate_date_format(self):
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date = '2050-01-01'
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self.assertTrue(self.constraint.validate(date, None))
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def test_validate_datetime_format(self):
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self.assertTrue(self.constraint.validate('2050-01-01T23:59:59', None))
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def test_validate_datetime_format_with_utc_offset(self):
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date = '2050-01-01T23:59:59+00:00'
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self.assertTrue(self.constraint.validate(date, None))
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def test_validate_datetime_format_with_utc_offset_alternate(self):
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date = '2050-01-01T23:59:59+0000'
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self.assertTrue(self.constraint.validate(date, None))
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def test_validate_refuses_other_formats(self):
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self.assertFalse(self.constraint.validate('Fri 13th, 2050', None))
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