# Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import datetime import yaml from translator.toscalib.common import exception from translator.toscalib.elements.constraints import Constraint from translator.toscalib.elements.constraints import Schema from translator.toscalib.tests.base import TestCase from translator.toscalib.utils import yamlparser class ConstraintTest(TestCase): def test_schema_dict(self): tpl_snippet = ''' cpus: type: integer description: Number of CPUs for the server. ''' schema = yamlparser.simple_parse(tpl_snippet) cpus_schema = Schema('cpus', schema['cpus']) self.assertEqual(len(cpus_schema), 2) self.assertEqual('integer', cpus_schema.type) self.assertEqual('Number of CPUs for the server.', cpus_schema.description) self.assertEqual(False, cpus_schema.required) self.assertIsNone(cpus_schema.default) def test_schema_not_dict(self): tpl_snippet = ''' cpus: - type: integer - description: Number of CPUs for the server. ''' schema = yamlparser.simple_parse(tpl_snippet) error = self.assertRaises(exception.InvalidSchemaError, Schema, 'cpus', schema['cpus']) self.assertEqual('Schema cpus must be a dict.', str(error)) def test_schema_miss_type(self): tpl_snippet = ''' cpus: description: Number of CPUs for the server. ''' schema = yamlparser.simple_parse(tpl_snippet) error = self.assertRaises(exception.InvalidSchemaError, Schema, 'cpus', schema['cpus']) self.assertEqual('Schema cpus must have type.', str(error)) def test_schema_none_description(self): tpl_snippet = ''' cpus: type: integer ''' schema = yamlparser.simple_parse(tpl_snippet) cpus_schema = Schema('cpus', schema['cpus']) self.assertEqual('', cpus_schema.description) def test_invalid_constraint_type(self): schema = {'invalid_type': 2} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('Invalid constraint type "invalid_type".', str(error)) def test_invalid_prop_type(self): schema = {'length': 5} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('Constraint type "length" is not valid for ' 'data type "integer".', str(error)) def test_invalid_validvalues(self): schema = {'valid_values': 2} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('valid_values must be a list.', str(error)) def test_validvalues_validate(self): schema = {'valid_values': [2, 4, 6, 8]} constraint = Constraint('prop', Schema.INTEGER, schema) self.assertIsNone(constraint.validate(4)) def test_validvalues_validate_fail(self): schema = {'valid_values': [2, 4, 6, 8]} constraint = Constraint('prop', Schema.INTEGER, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 5) self.assertEqual('prop: 5 is not an valid value "[2, 4, 6, 8]".', str(error)) def test_invalid_in_range(self): snippet = 'in_range: {2, 6}' schema = yaml.load(snippet) error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('in_range must be a list.', str(error)) def test_in_range_min_max(self): schema = {'in_range': [2, 6]} constraint = Constraint('prop', Schema.INTEGER, schema) self.assertEqual(2, constraint.min) self.assertEqual(6, constraint.max) def test_in_range_validate(self): schema = {'in_range': [2, 6]} constraint = Constraint('prop', Schema.INTEGER, schema) self.assertIsNone(constraint.validate(2)) self.assertIsNone(constraint.validate(4)) self.assertIsNone(constraint.validate(6)) def test_in_range_validate_fail(self): schema = {'in_range': [2, 6]} constraint = Constraint('prop', Schema.INTEGER, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 8) self.assertEqual('prop: 8 is out of range (min:2, max:6).', str(error)) def test_equal_validate(self): schema = {'equal': 4} constraint = Constraint('prop', Schema.INTEGER, schema) self.assertIsNone(constraint.validate(4)) def test_equal_validate_fail(self): schema = {'equal': 4} constraint = Constraint('prop', Schema.INTEGER, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 8) self.assertEqual('prop: 8 is not equal to "4".', str(error)) def test_greater_than_validate(self): schema = {'greater_than': 4} constraint = Constraint('prop', Schema.INTEGER, schema) self.assertIsNone(constraint.validate(6)) def test_greater_than_validate_fail(self): schema = {'greater_than': 4} constraint = Constraint('prop', Schema.INTEGER, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 3) self.assertEqual('prop: 3 must be greater than "4".', str(error)) error = self.assertRaises(exception.ValidationError, constraint.validate, 4) self.assertEqual('prop: 4 must be greater than "4".', str(error)) def test_greater_than_invalid(self): snippet = 'greater_than: {4}' schema = yaml.load(snippet) error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('greater_than must be comparable.', str(error)) def test_greater_or_equal_validate(self): schema = {'greater_or_equal': 3.9} constraint = Constraint('prop', Schema.FLOAT, schema) self.assertIsNone(constraint.validate(3.9)) self.assertIsNone(constraint.validate(4.0)) def test_greater_or_equal_validate_fail(self): schema = {'greater_or_equal': 3.9} constraint = Constraint('prop', Schema.FLOAT, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 3.0) self.assertEqual('prop: 3.0 must be greater or equal to "3.9".', str(error)) error = self.assertRaises(exception.ValidationError, constraint.validate, 3.8) self.assertEqual('prop: 3.8 must be greater or equal to "3.9".', str(error)) def test_greater_or_equal_invalid(self): snippet = 'greater_or_equal: {3.9}' schema = yaml.load(snippet) error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('greater_or_equal must be comparable.', str(error)) def test_less_than_validate(self): schema = {'less_than': datetime.date(2014, 0o7, 25)} constraint = Constraint('prop', Schema.TIMESTAMP, schema) self.assertIsNone(constraint.validate(datetime.date(2014, 0o7, 20))) self.assertIsNone(constraint.validate(datetime.date(2014, 0o7, 24))) def test_less_than_validate_fail(self): schema = {'less_than': datetime.date(2014, 0o7, 25)} constraint = Constraint('prop', Schema.TIMESTAMP, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, datetime.date(2014, 0o7, 25)) self.assertEqual('prop: 2014-07-25 must be ' 'less than "2014-07-25".', str(error)) error = self.assertRaises(exception.ValidationError, constraint.validate, datetime.date(2014, 0o7, 27)) self.assertEqual('prop: 2014-07-27 must be ' 'less than "2014-07-25".', str(error)) def test_less_than_invalid(self): snippet = 'less_than: {3.9}' schema = yaml.load(snippet) error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('less_than must be comparable.', str(error)) def test_less_or_equal_validate(self): schema = {'less_or_equal': 4} constraint = Constraint('prop', Schema.INTEGER, schema) self.assertIsNone(constraint.validate(4)) self.assertIsNone(constraint.validate(3)) def test_less_or_equal_validate_fail(self): schema = {'less_or_equal': 4} constraint = Constraint('prop', Schema.INTEGER, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 5) self.assertEqual('prop: 5 must be less or equal to "4".', str(error)) def test_less_or_equal_invalid(self): snippet = 'less_or_equal: {3.9}' schema = yaml.load(snippet) error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.INTEGER, schema) self.assertEqual('less_or_equal must be comparable.', str(error)) def test_invalid_length(self): schema = {'length': 'four'} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.STRING, schema) self.assertEqual('length must be integer.', str(error)) schema = {'length': 4.5} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.STRING, schema) self.assertEqual('length must be integer.', str(error)) def test_length_validate(self): schema = {'length': 4} constraint = Constraint('prop', Schema.STRING, schema) self.assertIsNone(constraint.validate('abcd')) def test_length_validate_fail(self): schema = {'length': 4} constraint = Constraint('prop', Schema.STRING, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 'abc') self.assertEqual('length of prop: abc must be equal to "4".', str(error)) error = self.assertRaises(exception.ValidationError, constraint.validate, 'abcde') self.assertEqual('length of prop: abcde must be equal to "4".', str(error)) def test_invalid_min_length(self): schema = {'min_length': 'four'} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.STRING, schema) self.assertEqual('min_length must be integer.', str(error)) def test_min_length_validate(self): schema = {'min_length': 4} constraint = Constraint('prop', Schema.STRING, schema) self.assertIsNone(constraint.validate('abcd')) self.assertIsNone(constraint.validate('abcde')) def test_min_length_validate_fail(self): schema = {'min_length': 4} constraint = Constraint('prop', Schema.STRING, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 'abc') self.assertEqual('length of prop: abc must be at least "4".', str(error)) def test_invalid_max_length(self): schema = {'max_length': 'four'} error = self.assertRaises(exception.InvalidSchemaError, Constraint, 'prop', Schema.STRING, schema) self.assertEqual('max_length must be integer.', str(error)) def test_max_length_validate(self): schema = {'max_length': 4} constraint = Constraint('prop', Schema.STRING, schema) self.assertIsNone(constraint.validate('abcd')) self.assertIsNone(constraint.validate('abc')) def test_max_length_validate_fail(self): schema = {'max_length': 4} constraint = Constraint('prop', Schema.STRING, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 'abcde') self.assertEqual('length of prop: abcde must be no greater than "4".', str(error)) def test_pattern_validate(self): schema = {'pattern': '[0-9]*'} constraint = Constraint('prop', Schema.STRING, schema) self.assertIsNone(constraint.validate('123')) def test_pattern_validate_fail(self): schema = {'pattern': '[0-9]*'} constraint = Constraint('prop', Schema.STRING, schema) error = self.assertRaises(exception.ValidationError, constraint.validate, 'abc') self.assertEqual('prop: "abc" does not match pattern "[0-9]*".', str(error))