#
# This file is part of Nominatim. (https://nominatim.org)
#
-# Copyright (C) 2022 by the Nominatim developer community.
+# 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):
+ self.value = value
+
+ def __eq__(self, other):
+ if isinstance(self.value, float):
+ return math.isclose(self.value, float(other))
+
+ if self.value.startswith('^'):
+ return re.fullmatch(self.value, 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.
"""
import json
import xml.etree.ElementTree as ET
-from check_functions import Almost, check_for_attributes
-
-OSM_TYPE = {'N' : 'node', 'W' : 'way', 'R' : 'relation',
- 'n' : 'node', 'w' : 'way', 'r' : 'relation',
- 'node' : 'n', 'way' : 'w', 'relation' : 'r'}
-
-def _geojson_result_to_json_result(geojson_result):
- result = geojson_result['properties']
- result['geojson'] = geojson_result['geometry']
- if 'bbox' in geojson_result:
- # bbox is minlon, minlat, maxlon, maxlat
- # boundingbox is minlat, maxlat, minlon, maxlon
- result['boundingbox'] = [geojson_result['bbox'][1],
- geojson_result['bbox'][3],
- geojson_result['bbox'][0],
- geojson_result['bbox'][2]]
- return result
-
-class BadRowValueAssert:
- """ Lazily formatted message for failures to find a field content.
- """
-
- def __init__(self, response, idx, field, value):
- self.idx = idx
- self.field = field
- self.value = value
- self.row = response.result[idx]
-
- def __str__(self):
- return "\nBad value for row {} field '{}'. Expected: {}, got: {}.\nFull row: {}"""\
- .format(self.idx, self.field, self.value,
- self.row[self.field], json.dumps(self.row, indent=4))
+from check_functions import Almost, OsmType, Field, check_for_attributes
class GenericResponse:
r |= r.pop('geocoding')
- def assert_field(self, idx, field, value):
- """ Check that result row `idx` has a field `field` with value `value`.
- Float numbers are matched approximately. When the expected value
- starts with a carat, regular expression matching is used.
- """
- assert field in self.result[idx], \
- "Result row {} has no field '{}'.\nFull row: {}"\
- .format(idx, field, json.dumps(self.result[idx], indent=4))
-
- if isinstance(value, float):
- assert Almost(value) == float(self.result[idx][field]), \
- BadRowValueAssert(self, idx, field, value)
- elif value.startswith("^"):
- assert re.fullmatch(value, self.result[idx][field]), \
- BadRowValueAssert(self, idx, field, value)
- elif isinstance(self.result[idx][field], dict):
- assert self.result[idx][field] == eval('{' + value + '}'), \
- BadRowValueAssert(self, idx, field, value)
- else:
- assert str(self.result[idx][field]) == str(value), \
- BadRowValueAssert(self, idx, field, value)
-
-
def assert_subfield(self, idx, path, value):
assert path
todo = [int(idx)]
for idx in todo:
- assert 'address' in self.result[idx], \
- "Result row {} has no field 'address'.\nFull row: {}"\
- .format(idx, json.dumps(self.result[idx], indent=4))
+ self.check_row(idx, 'address' in self.result[idx], "No field 'address'")
address = self.result[idx]['address']
- assert field in address, \
- "Result row {} has no field '{}' in address.\nFull address: {}"\
- .format(idx, field, json.dumps(address, indent=4))
+ self.check_row_field(idx, field, value, base=address)
- assert address[field] == value, \
- "\nBad value for row {} field '{}' in address. Expected: {}, got: {}.\nFull address: {}"""\
- .format(idx, field, value, address[field], json.dumps(address, indent=4))
def match_row(self, row, context=None):
""" Match the result fields against the given behave table row.
if name == 'ID':
pass
elif name == 'osm':
- assert 'osm_type' in self.result[i], \
- "Result row {} has no field 'osm_type'.\nFull row: {}"\
- .format(i, json.dumps(self.result[i], indent=4))
- assert self.result[i]['osm_type'] in (OSM_TYPE[value[0]], value[0]), \
- BadRowValueAssert(self, i, 'osm_type', value)
- self.assert_field(i, 'osm_id', value[1:])
+ self.check_row_field(i, 'osm_type', OsmType(value[0]))
+ self.check_row_field(i, 'osm_id', Field(value[1:]))
elif name == 'osm_type':
- assert self.result[i]['osm_type'] in (OSM_TYPE[value[0]], value[0]), \
- BadRowValueAssert(self, i, 'osm_type', value)
+ self.check_row_field(i, 'osm_type', OsmType(value[0]))
elif name == 'centroid':
if ' ' in value:
lon, lat = value.split(' ')
lon, lat = context.osm.grid_node(int(value))
else:
raise RuntimeError("Context needed when using grid coordinates")
- self.assert_field(i, 'lat', float(lat))
- self.assert_field(i, 'lon', float(lon))
+ self.check_row_field(i, 'lat', Field(float(lat)), base=subdict)
+ self.check_row_field(i, 'lon', Field(float(lon)), base=subdict)
elif '+' in name:
self.assert_subfield(i, name.split('+'), value)
else:
- self.assert_field(i, name, value)
+ self.check_row_field(i, name, Field(value))
+
def property_list(self, prop):
return [x[prop] for x in self.result]
+ def check_row(self, idx, check, msg):
+ """ Assert for the condition 'check' and print 'msg' on fail together
+ with the contents of the failing result.
+ """
+ class _RowError:
+ def __init__(self, row):
+ self.row = row
+
+ def __str__(self):
+ return f"{msg}. Full row {idx}:\n" \
+ + json.dumps(self.row, indent=4, ensure_ascii=False)
+
+ assert check, _RowError(self.result[idx])
+
+
+ def check_row_field(self, idx, field, expected, base=None):
+ """ Check field 'field' of result 'idx' for the expected value
+ and print a meaningful error if the condition fails.
+ When 'base' is set to a dictionary, then the field is checked
+ in that base. The error message will still report the contents
+ of the full result.
+ """
+ if base is None:
+ base = self.result[idx]
+
+ self.check_row(idx, field in base, f"No field '{field}'")
+ value = base[field]
+
+ self.check_row(idx, expected == value,
+ f"\nBad value for field '{field}'. Expected: {expected}, got: {value}")
+
+
+
class SearchResponse(GenericResponse):
""" Specialised class for search and lookup responses.
Transforms the xml response in a format similar to json.