+# 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 __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 __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()}"
+