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# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# pylint: disable=import-error,print-statement,relative-import,protected-access
"""Unit tests for overload_set_algorithm.py."""
import unittest
from overload_set_algorithm import effective_overload_set
class EffectiveOverloadSetTest(unittest.TestCase):
def test_example_in_comments(self):
operation_list = [
# f1: f(optional long x)
{'arguments': [{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False}]},
# f2: f(DOMString s)
{'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False}]}]
overload_set = [
# <f1, (long), (optional)>
({'arguments': [{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False}]},
('long',),
('optional',)),
# <f1, (), ()>
({'arguments': [{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False}]},
(),
()),
# <f2, (DOMString), (required)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False}]},
('DOMString',),
('required',))]
self.assertEqual(effective_overload_set(operation_list), overload_set)
def test_example_in_spec(self):
"""Tests the example provided in Web IDL spec:
https://heycam.github.io/webidl/#dfn-effective-overload-set,
look for example right after the algorithm."""
operation_list = [
# f1: f(DOMString a)
{'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False}]},
# f2: f(Node a, DOMString b, double... c)
{'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
# f3: f()
{'arguments': []},
# f4: f(Event a, DOMString b, optional DOMString c, double... d)
{'arguments': [{'idl_type_object': 'Event',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]}]
overload_set = [
# <f1, (DOMString), (required)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False}]},
('DOMString',),
('required',)),
# <f2, (Node, DOMString, double), (required, required, variadic)>
({'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
('Node', 'DOMString', 'double'),
('required', 'required', 'variadic')),
# <f2, (Node, DOMString, double, double),
# (required, required, variadic, variadic)>
({'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
('Node', 'DOMString', 'double', 'double'),
('required', 'required', 'variadic', 'variadic')),
# <f2, (Node, DOMString), (required, required)>
({'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
('Node', 'DOMString'),
('required', 'required')),
# <f3, (), ()>
({'arguments': []},
(),
()),
# <f4, (Event, DOMString, DOMString, double),
# (required, required, optional, variadic)>
({'arguments': [{'idl_type_object': 'Event',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
('Event', 'DOMString', 'DOMString', 'double'),
('required', 'required', 'optional', 'variadic')),
# <f4, (Event, DOMString, DOMString),
# (required, required, optional)>
({'arguments': [{'idl_type_object': 'Event',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
('Event', 'DOMString', 'DOMString'),
('required', 'required', 'optional')),
# <f4, (Event, DOMString), (required, required)>
({'arguments': [{'idl_type_object': 'Event',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'double',
'is_optional': False,
'is_variadic': True}]},
('Event', 'DOMString'),
('required', 'required'))]
self.assertEqual(effective_overload_set(operation_list), overload_set)
def test_element_create_proposed_syntax(self):
"""Tests the proposed syntax for the convenience method Element.create.
Github issue: https://github.com/whatwg/dom/issues/477"""
operation_list = [
# f1: f(DOMString tag, Record<DOMString, DOMString> attrs, (Node or DOMString)... children)
{'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'record<DOMString, DOMString>',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]},
# f2: f(DOMString tag, (Node or DOMString)... children)
{'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]}]
overload_set = [
# <f1, (DOMString, Record, NodeOrDOMString), (required, required, variadic)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'record<DOMString, DOMString>',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString', 'record<DOMString, DOMString>', 'NodeOrDOMString'),
('required', 'required', 'variadic')),
# <f1, (DOMString, Record), (required, required)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'record<DOMString, DOMString>',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString', 'record<DOMString, DOMString>'),
('required', 'required')),
# <f2, (DOMString, NodeOrDOMString), (required, variadic)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString', 'NodeOrDOMString'),
('required', 'variadic')),
# <f2, (DOMString, NodeOrDOMString, NodeOrDOMString), (required, variadic, variadic)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString', 'NodeOrDOMString', 'NodeOrDOMString'),
('required', 'variadic', 'variadic')),
# <f2, (DOMString), (required)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'NodeOrDOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString',),
('required',))]
self.assertEqual(effective_overload_set(operation_list), overload_set)
def test_optional_preceding_variadic(self):
operation_list = [
# f1: f(Node a, optional long b, DOMString... c)
{'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
# f2: f(DOMString... a)
{'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]}]
overload_set = [
# <f1, (Node, long, DOMString), (required, optional, variadic)>
({'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
('Node', 'long', 'DOMString'),
('required', 'optional', 'variadic')),
# <f1, (Node, long), (required, optional)>
({'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
('Node', 'long'),
('required', 'optional')),
# <f1, (Node), (required)>
({'arguments': [{'idl_type_object': 'Node',
'is_optional': False,
'is_variadic': False},
{'idl_type_object': 'long',
'is_optional': True,
'is_variadic': False},
{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
('Node',),
('required',)),
# <f2, (DOMString), (variadic)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString',),
('variadic',)),
# <f2, (DOMString, DOMString), (variadic, variadic)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString', 'DOMString'),
('variadic', 'variadic')),
# <f2, (DOMString, DOMString, DOMString), (variadic, variadic, variadic)>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
('DOMString', 'DOMString', 'DOMString'),
('variadic', 'variadic', 'variadic')),
# <f2, (), ()>
({'arguments': [{'idl_type_object': 'DOMString',
'is_optional': False,
'is_variadic': True}]},
(),
())]
self.assertEqual(effective_overload_set(operation_list), overload_set)
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