Nominatim/test/bdd/steps/check_functions.py
Sarah Hoffmann 86b43dc605 make sure PHP and Python reverse code does the same
The only allowable difference is precision of coordinates. Python uses
a precision of 7 digits where possible, which corresponds to the
precision of OSM data.

Also fixes some smaller bugs found by the BDD tests.
2023-03-26 16:21:43 +02:00

114 lines
3.2 KiB
Python

# SPDX-License-Identifier: GPL-2.0-only
#
# This file is part of Nominatim. (https://nominatim.org)
#
# Copyright (C) 2023 by the Nominatim developer community.
# For a full list of authors see the git log.
"""
Collection of assertion functions used for the steps.
"""
import json
import math
import re
class Almost:
""" Compares a float value with a certain jitter.
"""
def __init__(self, value, offset=0.00001):
self.value = value
self.offset = offset
def __eq__(self, other):
return abs(other - self.value) < self.offset
OSM_TYPE = {'N' : 'node', 'W' : 'way', 'R' : 'relation',
'n' : 'node', 'w' : 'way', 'r' : 'relation',
'node' : 'n', 'way' : 'w', 'relation' : 'r'}
class OsmType:
""" Compares an OSM type, accepting both N/R/W and node/way/relation.
"""
def __init__(self, value):
self.value = value
def __eq__(self, other):
return other == self.value or other == OSM_TYPE[self.value]
def __str__(self):
return f"{self.value} or {OSM_TYPE[self.value]}"
class Field:
""" Generic comparator for fields, which looks at the type of the
value compared.
"""
def __init__(self, value, **extra_args):
self.value = value
self.extra_args = extra_args
def __eq__(self, other):
if isinstance(self.value, float):
return math.isclose(self.value, float(other), **self.extra_args)
if self.value.startswith('^'):
return re.fullmatch(self.value, str(other))
if isinstance(other, dict):
return other == eval('{' + self.value + '}')
return str(self.value) == str(other)
def __str__(self):
return str(self.value)
class Bbox:
""" Comparator for bounding boxes.
"""
def __init__(self, bbox_string):
self.coord = [float(x) for x in bbox_string.split(',')]
def __contains__(self, item):
if isinstance(item, str):
item = item.split(',')
item = list(map(float, item))
if len(item) == 2:
return self.coord[0] <= item[0] <= self.coord[2] \
and self.coord[1] <= item[1] <= self.coord[3]
if len(item) == 4:
return item[0] >= self.coord[0] and item[1] <= self.coord[1] \
and item[2] >= self.coord[2] and item[3] <= self.coord[3]
raise ValueError("Not a coordinate or bbox.")
def __str__(self):
return str(self.coord)
def check_for_attributes(obj, attrs, presence='present'):
""" Check that the object has the given attributes. 'attrs' is a
string with a comma-separated list of attributes. If 'presence'
is set to 'absent' then the function checks that the attributes do
not exist for the object
"""
def _dump_json():
return json.dumps(obj, sort_keys=True, indent=2, ensure_ascii=False)
for attr in attrs.split(','):
attr = attr.strip()
if presence == 'absent':
assert attr not in obj, \
f"Unexpected attribute {attr}. Full response:\n{_dump_json()}"
else:
assert attr in obj, \
f"No attribute '{attr}'. Full response:\n{_dump_json()}"