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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Test experiment for parse.
Add cardinality format field after type:
"... {person:Person?} ..." -- CARDINALITY: Zero or one, 0..1 (optional)
"... {persons:Person*} ..." -- CARDINALITY: Zero or more, 0..N (many0)
"... {persons:Person+} ..." -- CARDINALITY: One or more, 1..N (many)
REQUIRES:
parse >= 1.5.3.1 ('pattern' attribute support and further extensions)
STATUS:
IDEA, working prototype with patched parse module, but not accepted.
"""
from __future__ import absolute_import
from .parse_type_test \
import TestCase, parse_number, unittest
from .test_cardinality import CardinalityTypeBuilderTest
from parse_type import Cardinality
from parse_type.cardinality_field \
import CardinalityField, CardinalityFieldTypeBuilder, MissingTypeError
# -------------------------------------------------------------------------
# TEST CASE: TestParseTypeWithCardinalityField
# -------------------------------------------------------------------------
class TestCardinalityField(TestCase):
VALID_TYPE_NAMES = ["Number?", "Number*", "Number+"]
INVALID_TYPE_NAMES = ["?Invalid", "Inval*d", "In+valid"]
def test_pattern_chars(self):
for pattern_char in CardinalityField.pattern_chars:
self.assertIn(pattern_char, CardinalityField.from_char_map)
def test_to_from_char_map_symmetry(self):
for cardinality, char in CardinalityField.to_char_map.items():
self.assertEqual(cardinality, CardinalityField.from_char_map[char])
for char, cardinality in CardinalityField.from_char_map.items():
self.assertEqual(char, CardinalityField.to_char_map[cardinality])
def test_matches_type_name(self):
for type_name in self.VALID_TYPE_NAMES:
self.assertTrue(CardinalityField.matches_type(type_name))
for type_name in self.INVALID_TYPE_NAMES:
self.assertFalse(CardinalityField.matches_type(type_name))
def test_split_type__with_valid_special_names(self):
actual = CardinalityField.split_type("Color?")
self.assertEqual(actual, ("Color", Cardinality.optional))
self.assertEqual(actual, ("Color", Cardinality.zero_or_one))
actual = CardinalityField.split_type("Color+")
self.assertEqual(actual, ("Color", Cardinality.many))
self.assertEqual(actual, ("Color", Cardinality.one_or_more))
actual = CardinalityField.split_type("Color*")
self.assertEqual(actual, ("Color", Cardinality.many0))
self.assertEqual(actual, ("Color", Cardinality.zero_or_more))
def test_split_type__with_valid_special_names2(self):
for type_name in self.VALID_TYPE_NAMES:
self.assertTrue(CardinalityField.matches_type(type_name))
cardinality_char = type_name[-1]
expected_basename = type_name[:-1]
expected_cardinality = CardinalityField.from_char_map[cardinality_char]
expected = (expected_basename, expected_cardinality)
actual = CardinalityField.split_type(type_name)
self.assertEqual(actual, expected)
def test_split_type__with_cardinality_one(self):
actual = CardinalityField.split_type("Color")
self.assertEqual(actual, ("Color", Cardinality.one))
def test_split_type__with_invalid_names(self):
for type_name in self.INVALID_TYPE_NAMES:
expected = (type_name, Cardinality.one)
actual = CardinalityField.split_type(type_name)
self.assertEqual(actual, expected)
self.assertFalse(CardinalityField.matches_type(type_name))
def test_make_type__with_cardinality_one(self):
expected = "Number"
type_name = CardinalityField.make_type("Number", Cardinality.one)
self.assertEqual(type_name, expected)
self.assertFalse(CardinalityField.matches_type(type_name))
def test_make_type__with_cardinality_optional(self):
expected = "Number?"
type_name = CardinalityField.make_type("Number", Cardinality.optional)
self.assertEqual(type_name, expected)
self.assertTrue(CardinalityField.matches_type(type_name))
type_name2 = CardinalityField.make_type("Number", Cardinality.zero_or_one)
self.assertEqual(type_name2, expected)
self.assertEqual(type_name2, type_name)
def test_make_type__with_cardinality_many(self):
expected = "Number+"
type_name = CardinalityField.make_type("Number", Cardinality.many)
self.assertEqual(type_name, expected)
self.assertTrue(CardinalityField.matches_type(type_name))
type_name2 = CardinalityField.make_type("Number", Cardinality.one_or_more)
self.assertEqual(type_name2, expected)
self.assertEqual(type_name2, type_name)
def test_make_type__with_cardinality_many0(self):
expected = "Number*"
type_name = CardinalityField.make_type("Number", Cardinality.many0)
self.assertEqual(type_name, expected)
self.assertTrue(CardinalityField.matches_type(type_name))
type_name2 = CardinalityField.make_type("Number", Cardinality.zero_or_more)
self.assertEqual(type_name2, expected)
self.assertEqual(type_name2, type_name)
def test_split_type2make_type__symmetry_with_valid_names(self):
for type_name in self.VALID_TYPE_NAMES:
primary_name, cardinality = CardinalityField.split_type(type_name)
type_name2 = CardinalityField.make_type(primary_name, cardinality)
self.assertEqual(type_name, type_name2)
def test_split_type2make_type__symmetry_with_cardinality_one(self):
for type_name in self.INVALID_TYPE_NAMES:
primary_name, cardinality = CardinalityField.split_type(type_name)
type_name2 = CardinalityField.make_type(primary_name, cardinality)
self.assertEqual(type_name, primary_name)
self.assertEqual(type_name, type_name2)
self.assertEqual(cardinality, Cardinality.one)
# -------------------------------------------------------------------------
# TEST CASE:
# -------------------------------------------------------------------------
class TestCardinalityFieldTypeBuilder(CardinalityTypeBuilderTest):
INVALID_TYPE_DICT_DATA = [
(dict(), "empty type_dict"),
(dict(NumberX=parse_number), "non-empty type_dict (wrong name)"),
]
# -- UTILITY METHODS:
def generate_type_variants(self,type_name):
for pattern_char in CardinalityField.pattern_chars:
special_name = "%s%s" % (type_name.strip(), pattern_char)
self.assertTrue(CardinalityField.matches_type(special_name))
yield special_name
# -- METHOD: CardinalityFieldTypeBuilder.create_type_variant()
def test_create_type_variant__with_many_and_type_converter(self):
type_builder = CardinalityFieldTypeBuilder
parse_candidate = type_builder.create_type_variant("Number+",
type_converter=parse_number)
self.check_parse_number_with_many(parse_candidate, "Number+")
def test_create_type_variant__with_optional_and_type_dict(self):
type_builder = CardinalityFieldTypeBuilder
parse_candidate = type_builder.create_type_variant("Number?",
dict(Number=parse_number))
self.check_parse_number_with_optional(parse_candidate, "Number?")
def test_create_type_variant__with_many_and_type_dict(self):
type_builder = CardinalityFieldTypeBuilder
parse_candidate = type_builder.create_type_variant("Number+",
dict(Number=parse_number))
self.check_parse_number_with_many(parse_candidate, "Number+")
def test_create_type_variant__with_many0_and_type_dict(self):
type_builder = CardinalityFieldTypeBuilder
parse_candidate = type_builder.create_type_variant("Number*",
dict(Number=parse_number))
self.check_parse_number_with_many0(parse_candidate, "Number*")
def test_create_type_variant__can_create_all_variants(self):
type_builder = CardinalityFieldTypeBuilder
for special_name in self.generate_type_variants("Number"):
# -- CASE: type_converter
parse_candidate = type_builder.create_type_variant(special_name,
parse_number)
self.assertTrue(callable(parse_candidate))
# -- CASE: type_dict
parse_candidate = type_builder.create_type_variant(special_name,
dict(Number=parse_number))
self.assertTrue(callable(parse_candidate))
def test_create_type_variant__raises_error_with_invalid_type_name(self):
type_builder = CardinalityFieldTypeBuilder
for invalid_type_name in TestCardinalityField.INVALID_TYPE_NAMES:
with self.assertRaises(ValueError):
type_builder.create_type_variant(invalid_type_name,
parse_number)
def test_create_type_variant__raises_error_with_missing_primary_type(self):
type_builder = CardinalityFieldTypeBuilder
for special_name in self.generate_type_variants("Number"):
for type_dict, description in self.INVALID_TYPE_DICT_DATA:
with self.assertRaises(MissingTypeError):
type_builder.create_type_variant(special_name, type_dict)
# -- METHOD: CardinalityFieldTypeBuilder.create_type_variants()
def test_create_type_variants__all(self):
type_builder = CardinalityFieldTypeBuilder
special_names = ["Number?", "Number+", "Number*"]
type_dict = dict(Number=parse_number)
new_types = type_builder.create_type_variants(special_names, type_dict)
self.assertSequenceEqual(set(new_types.keys()), set(special_names))
self.assertEqual(len(new_types), 3)
parse_candidate = new_types["Number?"]
self.check_parse_number_with_optional(parse_candidate, "Number?")
parse_candidate = new_types["Number+"]
self.check_parse_number_with_many(parse_candidate, "Number+")
parse_candidate = new_types["Number*"]
self.check_parse_number_with_many0(parse_candidate, "Number*")
def test_create_type_variants__raises_error_with_invalid_type_name(self):
type_builder = CardinalityFieldTypeBuilder
for invalid_type_name in TestCardinalityField.INVALID_TYPE_NAMES:
type_dict = dict(Number=parse_number)
with self.assertRaises(ValueError):
type_names = [invalid_type_name]
type_builder.create_type_variants(type_names, type_dict)
def test_create_missing_type_variants__raises_error_with_missing_primary_type(self):
type_builder = CardinalityFieldTypeBuilder
for special_name in self.generate_type_variants("Number"):
for type_dict, description in self.INVALID_TYPE_DICT_DATA:
self.assertNotIn("Number", type_dict)
with self.assertRaises(MissingTypeError):
names = [special_name]
type_builder.create_type_variants(names, type_dict)
# -- METHOD: CardinalityFieldTypeBuilder.create_missing_type_variants()
def test_create_missing_type_variants__all_missing(self):
type_builder = CardinalityFieldTypeBuilder
missing_names = ["Number?", "Number+", "Number*"]
new_types = type_builder.create_missing_type_variants(missing_names,
dict(Number=parse_number))
self.assertSequenceEqual(set(new_types.keys()), set(missing_names))
self.assertEqual(len(new_types), 3)
def test_create_missing_type_variants__none_missing(self):
# -- PREPARE: Create all types and store them in the type_dict.
type_builder = CardinalityFieldTypeBuilder
type_names = ["Number?", "Number+", "Number*"]
all_type_names = ["Number", "Number?", "Number+", "Number*"]
type_dict = dict(Number=parse_number)
new_types = type_builder.create_missing_type_variants(type_names,
type_dict)
type_dict.update(new_types)
self.assertSequenceEqual(set(new_types.keys()), set(type_names))
self.assertSequenceEqual(set(type_dict.keys()), set(all_type_names))
# -- TEST: All special types are already stored in the type_dict.
new_types2 = type_builder.create_missing_type_variants(type_names,
type_dict)
self.assertEqual(len(new_types2), 0)
def test_create_missing_type_variants__some_missing(self):
# -- PREPARE: Create some types and store them in the type_dict.
type_builder = CardinalityFieldTypeBuilder
special_names = ["Number?", "Number+", "Number*"]
type_names1 = ["Number?", "Number*"]
type_names2 = special_names
type_dict = dict(Number=parse_number)
new_types = type_builder.create_missing_type_variants(type_names1,
type_dict)
type_dict.update(new_types)
self.assertSequenceEqual(set(new_types.keys()), set(type_names1))
self.assertSequenceEqual(set(type_dict.keys()),
set(["Number", "Number?", "Number*"]))
# -- TEST: All special types are already stored in the type_dict.
new_types2 = type_builder.create_missing_type_variants(type_names2,
type_dict)
self.assertEqual(len(new_types2), 1)
self.assertSequenceEqual(set(new_types2.keys()), set(["Number+"]))
def test_create_type_variant__raises_error_with_invalid_type_name(self):
type_builder = CardinalityFieldTypeBuilder
for invalid_type_name in TestCardinalityField.INVALID_TYPE_NAMES:
type_dict = dict(Number=parse_number)
with self.assertRaises(ValueError):
type_names = [invalid_type_name]
type_builder.create_missing_type_variants(type_names, type_dict)
def test_create_missing_type_variants__raises_error_with_missing_primary_type(self):
type_builder = CardinalityFieldTypeBuilder
for special_name in self.generate_type_variants("Number"):
for type_dict, description in self.INVALID_TYPE_DICT_DATA:
self.assertNotIn("Number", type_dict)
with self.assertRaises(MissingTypeError):
names = [special_name]
type_builder.create_missing_type_variants(names, type_dict)
# -----------------------------------------------------------------------------
# MAIN:
# -----------------------------------------------------------------------------
if __name__ == '__main__':
unittest.main()
# Copyright (c) 2012-2013 by Jens Engel (https://github/jenisys/parse_type)
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
|
