How to use predicate method in jest-extended

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test_grounding.py

Source:test_grounding.py Github

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1#from grounding import Grounder2import grounding3from pddl.parser import Parser4from task import Operator5from pddl.pddl import Type, Predicate, Effect, Action, Domain, Problem6def assert_equal(result, expected):7 assert result == expected8def get_action(name, signature, precondition, addlist, dellist):9 effect = Effect()10 effect.addlist = set(addlist)11 effect.dellist = set(dellist)12 return Action(name, signature, precondition, effect)13"""14test domain and problem15"""16# types:17type_object = Type("object", None)18type_vehicle = Type("vehicle", type_object)19type_car = Type("car", type_vehicle)20type_truck = Type("truck", type_vehicle)21type_city = Type("city", type_object)22type_country = Type("country", type_object)23type_my_car = Type("my_car", type_vehicle)24type_color = Type("color", type_object)25types = {"object": type_object, "vehicle": type_vehicle, "car": type_car,26 "truck": type_truck, "city": type_city, "country": type_country,27 "my_car": type_my_car, "color": type_color}28# predicates:29predicate_car_orig = Predicate("at", [("car", types["car"]),30 ("orig", types["city"])])31predicate_car_dest = Predicate("at", [("car", types["car"]),32 ("dest", types["city"])])33predicate_veh_orig = Predicate("at", [("vehicle", types["vehicle"]),34 ("orig", types["city"])])35predicate_veh_dest = Predicate("at", [("vehicle", types["vehicle"]),36 ("dest", types["city"])])37predicate_in = Predicate("in", [("car", types["car"]), ("in", types["city"])])38#predicate which does not occur in any operator:39predicate_car_color = Predicate("car_color", [("car", types["car"]),40 ("color", types["color"])])41predicate_at = Predicate("at", [("vehicle", types["vehicle"]),42 ("city", types["city"])])43predicates = {"at": predicate_car_dest, "in": predicate_in,44 "car_color": predicate_car_color}45# actions:46action_drive_car = get_action("DRIVE-CAR", [("car", [types["car"]]),47 ("orig", [types["city"]]), ("dest", [types["city"]])],48 [predicate_car_dest], [predicate_car_orig],49 [predicate_car_dest])50actions = {"drive-car": action_drive_car}51# objects:52objects = {"red_car": types["car"], "green_car": types["car"],53 "blue_truck": types["truck"], "freiburg": types["city"],54 "basel": types["city"], "green": types["color"],55 "yellow": types["color"]}56# initial and goal state:57initial_state = [Predicate("at", [("red_car", types["car"]),58 ("freiburg", types["city"])]),59 Predicate("at", [("green_car", types["car"]),60 ("basel", types["city"])]),61 Predicate("at", [("blue_truck", types["truck"]),62 ("freiburg", types["city"])]),63 Predicate("at", [("yellow_truck", types["truck"]),64 ("basel", types["city"])])]65goal_state = [Predicate("at", [("red_car", types["car"]),66 ("basel", types["city"])]),67 Predicate("at", [("green_car", types["car"]),68 ("freiburg", types["city"])]),69 Predicate("at", [("blue_truck", types["truck"]),70 ("basel", types["city"])]),71 Predicate("at", [("yellow_truck", types["truck"]),72 ("freiburg", types["city"])])]73# domain and problem74standard_domain = Domain("test_domain_statics", types, predicates, actions)75standard_problem = Problem("test_problem_statics", standard_domain, objects,76 initial_state, goal_state)77def test_statics1():78 """79 A static predicate is a predicate, which doesn't occur in an effect of an80 action.81 """82 type_object = Type("object", None)83 type_car = Type("car", type_vehicle)84 type_city = Type("city", type_object)85 type_country = Type("country", type_object)86 types = {"object": type_object, "car": type_car, "city": type_city,87 "country": type_country}88 predicate_orig = Predicate("at", [("car", types["car"]),89 ("dest", types["city"])])90 predicate_dest = Predicate("at", [("car", types["car"]),91 ("orig", types["city"])])92 predicate_in = Predicate("in", [("city", types["city"]),93 ("country", types["country"])])94 action_drive_car = get_action("DRIVE-CAR", [("car", [types["car"]]),95 ("loc-orig", [types["city"]]),96 ("loc-dest", [types["city"]])],97 [predicate_orig], [predicate_dest],98 [predicate_orig])99 expected = [("in", grounding._get_statics([predicate_in],100 [action_drive_car]), True),101 ("dest", grounding._get_statics([predicate_dest],102 [action_drive_car]), False),103 ("orig", grounding._get_statics([predicate_orig],104 [action_drive_car]), False)]105 for pre, statics, element in expected:106 yield in_statics, pre, statics, element107def test_statics2():108 type_object = Type("object", None)109 predicate_a = Predicate("a", [])110 predicate_b = Predicate("b", [])111 the_action = get_action("the-action", [], [predicate_a], [predicate_b], [])112 statics = grounding._get_statics([predicate_a, predicate_b], [the_action])113 assert predicate_a.name in statics and predicate_b.name not in statics114def in_statics(predicate, statics, element):115 if element:116 assert predicate in statics117 else:118 assert not predicate in statics119def test_type_map1():120 """type map: maps each type to a list of objects"""121 type_object = Type("object", None)122 type_vehicle = Type("vehicle", type_object)123 type_car = Type("car", type_vehicle)124 type_truck = Type("truck", type_vehicle)125 type_city = Type("city", type_object)126 objects = {"red_car": type_car, "green_car": type_car,127 "blue_truck": type_truck, "motorbike": type_vehicle,128 "freiburg": type_city, "basel": type_city}129 type_map = grounding._create_type_map(objects)130 expected = [("red_car", type_map[type_car]),131 ("green_car", type_map[type_car]),132 ("blue_truck", type_map[type_truck]),133 ("red_car", type_map[type_vehicle]),134 ("green_car", type_map[type_vehicle]),135 ("blue_truck", type_map[type_vehicle]),136 ("motorbike", type_map[type_vehicle]),137 ("freiburg", type_map[type_city]),138 ("basel", type_map[type_city]),139 ("green_car", type_map[type_object]),140 ("motorbike", type_map[type_object]),141 ("basel", type_map[type_object])]142 for object, object_list in expected:143 yield in_object_set, object, object_list144def test_type_map2():145 type_object = Type("object", None)146 objects = {"object1": type_object}147 type_map = grounding._create_type_map(objects)148 assert "object1" in type_map[type_object]149def in_object_set(object, object_list):150 assert object in object_list151def test_collect_facts():152 op1 = Operator("op1", {"var1"}, {}, {"var3"})153 op2 = Operator("op2", {"var2"}, {"var3"}, {})154 op3 = Operator("op3", {}, {"var1"}, {"var4"})155 assert {"var1", "var2", "var3", "var4"} == grounding._collect_facts(156 [op1, op2, op3])157def test_operators():158 # action with signature with 2 types159 action_drive_vehicle = get_action("DRIVE-VEHICLE",160 [("vehicle", [types["car"],161 types["truck"]]),162 ("orig", [types["city"]]),163 ("dest", [types["city"]])],164 [predicate_veh_orig],165 [predicate_veh_dest],166 [predicate_veh_orig])167 # action with predicate in add & delete list168 action_add_delete = get_action("STAY", [("car", [types["car"]]),169 ("in", [types["city"]])],170 [predicate_in], [predicate_in],171 [predicate_in])172 # action with constant input173 action_constant = get_action("CONSTANT-ACTION",174 [("my_car", [types["my_car"]]),175 ("city", [types["city"]])],176 [],177 [Predicate("in", [("basel", [types["city"]]),178 ("switzerland",179 [types["country"]])])], [])180 # action with only delete effects181 action_only_delete = get_action("LEAVE",182 [("car", [types["car"]]),183 ("in", [types["city"]])],184 [predicate_in], [], [predicate_in])185 # action with delete effect which does not occur in precondition186 action_delete = get_action("DELETE", [("car", [types["car"]]),187 ("orig", [types["city"]]),188 ("dest", [types["city"]])],189 [], [predicate_car_orig], [predicate_car_dest])190 type_map = grounding._create_type_map(objects)191 grounded_initial_state = grounding._get_partial_state(initial_state)192 grounded_drive_car = list(193 grounding._ground_action(action_drive_car, type_map, [],194 grounded_initial_state))195 grounded_drive_vehicle = list(196 grounding._ground_action(action_drive_vehicle, type_map, [],197 grounded_initial_state))198 grounded_add_delete = list(199 grounding._ground_action(action_add_delete, type_map, [],200 grounded_initial_state))201 grounded_only_delete = list(202 grounding._ground_action(action_only_delete, type_map, [],203 grounded_initial_state))204 grounded_delete = list(205 grounding._ground_action(action_delete, type_map, [],206 grounded_initial_state))207 domain = Domain("test_domain", types,208 {"in": Predicate("in", [("city", types["city"]),209 ("country", types["country"])])},210 {"action-constant": action_constant},211 {"my_car": types["car"]})212 problem = Problem("test_problem", domain, objects, initial_state,213 goal_state)214 task = grounding.ground(problem)215 grounded_constant = task.operators216 expected = [("(DRIVE-CAR red_car freiburg basel)", grounded_drive_car),217 ("(DRIVE-VEHICLE blue_truck freiburg basel)",218 grounded_drive_vehicle),219 ("(STAY red_car freiburg)", grounded_add_delete),220 ("(LEAVE red_car freiburg)", grounded_only_delete),221 ("(DELETE red_car freiburg basel)", grounded_delete)]222 for operator, grounded_operators in expected:223 yield operator_grounded, operator, grounded_operators224def operator_grounded(operator, grounded_operators):225 grounded = False226 for op in grounded_operators:227 if(operator == op.name):228 grounded = True229 assert grounded230def test_create_operator():231 statics = grounding._get_statics(standard_domain.predicates.values(),232 [action_drive_car])233 initial_state = [Predicate("at", [("ford", types["car"]),234 ("freiburg", types["city"])])]235 operator = grounding._create_operator(236 action_drive_car,237 {"car": "ford", "dest": "berlin", "orig": "freiburg"},238 [], initial_state)239 assert operator.name == "(DRIVE-CAR ford freiburg berlin)"240 assert operator.preconditions == {'(at ford berlin)'}241 assert operator.add_effects == {'(at ford freiburg)'}242 assert operator.del_effects == {'(at ford berlin)'}243def test_get_grounded_string():244 grounded_string = "(DRIVE-CAR ford freiburg berlin)"245 assert grounding._get_grounded_string(246 "DRIVE-CAR", ["ford", "freiburg", "berlin"]) == grounded_string247def test_ground():248 """249 predicate which does not occur in any operator: "car_color"250 -> does it occurs in a variable?251 -> does it occur in an operator?252 """253 task = grounding.ground(standard_problem)254 assert not any(var.startswith("car_color") for var in task.facts)255 for operators in task.operators:256 assert not any(pre.startswith("car_color")257 for pre in operators.preconditions)258 assert not any(add.startswith("car_color")259 for add in operators.add_effects)260 assert not any(dee.startswith("car_color")261 for dee in operators.del_effects)262def test_regression():263 parser = Parser('')264 def parse_problem(domain, problem):265 parser.domInput = domain266 parser.probInput = problem267 domain = parser.parse_domain(False)268 return parser.parse_problem(domain, False)269 prob_05 = """270 ;; See domain file for description of this test.271 (define (problem regression-test-05)272 (:domain regression-test)273 (:objects y - object)274 (:init)275 (:goal (the-predicate x y)))276 """277 dom_05 = """278 ;; Expected behaviour: plan of length one found279 ;; Observed behaviour (r265): plan of length zero found280 (define (domain regression-test)281 (:requirements :typing) ;; work around problem in regression test #4.282 (:predicates (the-predicate ?v1 ?v2 - object))283 (:constants x - object)284 (:action theaction285 :parameters (?x - object)286 :precondition (and)287 :effect (the-predicate x ?x)288 )289 )290 """291 prob_06 = """292 ;; See domain file for description of this test.293 (define (problem regression-test-06)294 (:domain regression-test)295 (:objects y - object)296 (:init)297 (:goal (the-predicate y y)))298 """299 dom_06 = """300 ;; Expected behaviour: planner proves that no plan exists301 ;; Observed behaviour (r265): plan of length one found302 (define (domain regression-test)303 (:requirements :typing) ;; work around problem in regression test #4.304 (:predicates (the-predicate ?v1 ?v2 - object))305 (:constants x - object)306 (:action theaction307 :parameters (?x - object)308 :precondition (and)309 :effect (the-predicate x ?x)310 )311 )312 """313 # problem / domain 07 contains a different action compared314 # to the actions of domain 5 & 6315 prob_07 = prob_06316 dom_07 = """317 (define (domain regression-test)318 (:requirements :typing) ;; work around problem in regression test #4.319 (:predicates (the-predicate ?v1 ?v2 - object))320 (:constants y - object)321 (:action theaction322 :parameters (?x - object)323 :precondition (and)324 :effect (the-predicate y ?x)325 )326 )327 """328 # action of problem / domain 8 differs only in the variable name compared329 # to the actions of problem 5 and 6: After grounding there should be no330 # difference between the grounded actions331 prob_08 = prob_05332 dom_08 = """333 (define (domain regression-test)334 (:requirements :typing) ;; work around problem in regression test #4.335 (:predicates (the-predicate ?v1 ?v2 - object))336 (:constants x - object)337 (:action theaction338 :parameters (?z - object)339 :precondition (and)340 :effect (the-predicate x ?z)341 )342 )343 """344 parsed_problem5 = parse_problem(dom_05, prob_05)345 parsed_problem6 = parse_problem(dom_06, prob_06)346 parsed_problem7 = parse_problem(dom_07, prob_07)347 parsed_problem8 = parse_problem(dom_08, prob_08)348 #coded input:349 type_object = Type("object", None)350 types = {"object": type_object}351 predicates = {"the_predicate": Predicate("the-predicate",352 [("v1", type_object),353 ("v2", type_object)])}354 constants = {"x": type_object}355 actions = {"theaction": get_action("theaction",356 [("?x", [type_object])], [],357 [Predicate("the-predicate",358 [("x", type_object),359 ("?x", type_object)])], [])}360 domain = Domain("regression-test", types, predicates, actions, constants)361 problem5 = Problem("regression-test-05", domain, {"y": type_object}, [],362 [Predicate("the-predicate", [("x", type_object),363 ("y", type_object)])])364 problem6 = Problem("regression-test-06", domain, {"y": type_object}, [],365 [Predicate("the-predicate", [("y", type_object),366 ("y", type_object)])])367 parsed_task5 = grounding.ground(parsed_problem5)368 coded_task5 = grounding.ground(problem5)369 parsed_task6 = grounding.ground(parsed_problem6)370 coded_task6 = grounding.ground(problem6)371 parsed_task7 = grounding.ground(parsed_problem7)372 parsed_task8 = grounding.ground(parsed_problem8)373 expected = [(parsed_task5.operators, coded_task5.operators, True),374 (parsed_task6.operators, coded_task6.operators, True),375 (parsed_task5.operators, coded_task6.operators, True),376 (parsed_task5.operators, parsed_task7.operators, False),377 (parsed_task5.operators, parsed_task8.operators, True)]378 for operator1, operator2, expected_result in expected:379 yield compare_operators, operator1, operator2, expected_result380def compare_operators(operators1, operators2, expected):381 def compare_operator(operator1, operator2):382 return (operator1.name == operator2.name and383 operator1.preconditions == operator2.preconditions and384 operator1.add_effects == operator2.add_effects and385 operator1.del_effects == operator2.del_effects)386 for operator1 in operators1:387 if(not(any(compare_operator(operator1, operator2)388 for operator2 in operators2))):389 return False == expected390 return True == expected391def test_add_del_effects():392 parser = Parser('')393 def parse_problem(domain, problem):394 parser.domInput = domain395 parser.probInput = problem396 domain = parser.parse_domain(False)397 return parser.parse_problem(domain, False)398 dom_pddl = """399 (define (domain dom)400 (:requirements :typing)401 (:predicates (ok ?v - object))402 (:action theaction403 :parameters (?x - object)404 :precondition {0}405 :effect {1}406 )407 )408 """409 prob_pddl = """410 ;; See domain file for description of this test.411 (define (problem prob)412 (:domain dom)413 (:objects y - object)414 (:init)415 (:goal (ok y)))416 """417 tests = [418 # Only add effect419 ('(and)', '(ok ?x)', set(), {'(ok y)'}, set()),420 # Only delete effect421 ('(and)', '(and (not (ok ?x)))', set(), set(), {'(ok y)'}),422 # Both add and delete effect423 ('(and)', '(and (ok ?x) (not (ok ?x)))', set(), {'(ok y)'}, set()),424 # Precondition and add effect425 ('(and (ok ?x))', '(ok ?x)', {'(ok y)'}, set(), set()),426 # Precondition and delete effect427 ('(and (ok ?x))', '(and (not (ok ?x)))', {'(ok y)'}, set(),428 {'(ok y)'}),429 # Precondition and both add and delete effect430 ('(and (ok ?x))', '(and (ok ?x) (not (ok ?x)))', {'(ok y)'}, set(),431 set()),432 ]433 for pre_in, eff_in, pre_exp, add_exp, del_exp in tests:434 dom = dom_pddl.format(pre_in, eff_in)435 problem = parse_problem(dom, prob_pddl)436 domain = problem.domain437 actions = domain.actions.values()438 predicates = domain.predicates.values()439 # Objects440 objects = problem.objects441 objects.update(domain.constants)442 # Get the names of the static predicates443 statics = grounding._get_statics(predicates, actions)444 # Create a map from types to objects445 type_map = grounding._create_type_map(objects)446 # Transform initial state into a specific447 init = grounding._get_partial_state(problem.initial_state)448 # Ground actions449 operators = grounding._ground_actions(actions, type_map, statics, init)450 yield assert_equal, len(operators), 1451 op = operators[0]452 yield assert_equal, op.preconditions, pre_exp453 yield assert_equal, op.add_effects, add_exp...

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entities.py

Source:entities.py Github

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1"""Backends for Virtuoso (graph database)2The UWKGM project3:copyright: (c) 2020 Ichise Laboratory at NII & AIST4:author: Rungsiman Nararatwong5"""6import time7from socket import timeout8from typing import Any, Dict, List, Union9from uwkgm import db10def find(graph: str, uris: List[str], language: str, query_limit: Union[int, None],11 include_incomings: bool, include_outgoings: bool) -> dict:12 """Find triples of which the given entity is a subject or an object"""13 def fetch(direction: str) -> List[dict]:14 query_main = f'?{target} ?predicate <{uri}>' if direction == 'incoming' else f'<{uri}> ?predicate ?{target}'15 query_lang = f"""16 FILTER (!isLiteral(?predicate_label) || langMatches(lang(?predicate_label), '') || langMatches(lang(?predicate_label), '{language}'))17 FILTER (!isLiteral(?{target}) || langMatches(lang(?{target}), '') || langMatches(lang(?{target}), '{language}'))18 FILTER (!isLiteral(?{target}_label) || langMatches(lang(?{target}_label), '') || langMatches(lang(?{target}_label), '{language}'))19 """20 limit_filter = f'LIMIT {int(query_limit)}' if query_limit is not None else ''21 query = f"""22 SELECT DISTINCT ?predicate ?predicate_type ?predicate_label ?{target} ?{target}_type ?{target}_label FROM <{graph}> WHERE {{23 {query_main}24 OPTIONAL {{ ?predicate <{'>|<'.join(catalog_labels)}> ?predicate_label }}25 OPTIONAL {{ ?predicate <{'>|<'.join(catalog_types)}> ?predicate_type }}26 OPTIONAL {{ ?{target} <{'>|<'.join(catalog_labels)}> ?{target}_label }}27 OPTIONAL {{ ?{target} <{'>|<'.join(catalog_types)}> ?{target}_type }}28 {query_lang if language is not None else ''}29 }}30 {limit_filter}31 """32 db.graphs.client.setQuery(query)33 return db.graphs.client.query().convert()['results']['bindings']34 def maps() -> None:35 for item in items:36 for el in ['predicate', 'predicate_type', target, f'{target}_type']:37 if el in item and item[el]['type'] == 'uri':38 if item[el]['value'] not in lookup:39 lookup[item[el]['value']] = {'id': len(lookup)}40 def assign() -> None:41 for item in items:42 if item[target]['type'] == 'uri':43 if element == 'subject':44 triples.append((lookup[uri]['id'], lookup[item['predicate']['value']]['id'], lookup[item['object']['value']]['id']))45 if item['predicate']['value'] in catalog_types:46 if 'types' not in lookup[uri]:47 lookup[uri]['types'] = [lookup[item['object']['value']]['id']]48 else:49 lookup[uri]['types'].append(lookup[item['object']['value']]['id'])50 else:51 triples.append((lookup[item['subject']['value']]['id'], lookup[item['predicate']['value']]['id'], lookup[uri]['id']))52 else:53 if 'xml:lang' in item[target]:54 literal = {'value': item[target]['value'], 'language': item[target]['xml:lang']}55 else:56 literal = {'value': item[target]['value']}57 if 'literals' not in lookup[uri]:58 lookup[uri]['literals'] = {lookup[item['predicate']['value']]['id']: literal}59 else:60 lookup[uri]['literals'][lookup[item['predicate']['value']]['id']] = literal61 if item['predicate']['value'] in catalog_labels:62 lookup[uri]['label'] = item[target]['value']63 if 'predicate_label' in item:64 lookup[item['predicate']['value']]['label'] = item['predicate_label']['value']65 if f'{target}_label' in item:66 lookup[item[target]['value']]['label'] = item[f'{target}_label']['value']67 if 'predicate_type' in item:68 if 'types' not in lookup[item['predicate']['value']]:69 lookup[item['predicate']['value']]['types'] = [lookup[item['predicate_type']['value']]['id']]70 elif lookup[item['predicate_type']['value']]['id'] not in lookup[item['predicate']['value']]['types']:71 lookup[item['predicate']['value']]['types'].append(lookup[item['predicate_type']['value']]['id'])72 if f'{target}_type' in item:73 if 'types' not in lookup[item[target]['value']]:74 lookup[item[target]['value']]['types'] = [lookup[item[f'{target}_type']['value']]['id']]75 elif lookup[item[f'{target}_type']['value']]['id'] not in lookup[item[target]['value']]['types']:76 lookup[item[target]['value']]['types'].append(lookup[item[f'{target}_type']['value']]['id'])77 time_start = time.process_time()78 catalog = db.docs.catalog(graph)79 catalog_labels = [lb['uri'] for lb in catalog['predicates']['labels']]80 catalog_types = [ty['uri'] for ty in catalog['predicates']['types']]81 lookup = dict()82 triples = list()83 for i, uri in enumerate(uris):84 lookup[uri] = {'id': i}85 for uri in uris:86 if include_incomings:87 element, target = 'object', 'subject'88 items = fetch('incoming')89 maps()90 assign()91 if include_outgoings:92 element, target = 'subject', 'object'93 items = fetch('outgoing')94 maps()95 assign()96 time_end = time.process_time()97 return {'lookup': lookup, 'triples': triples, 'duration': time_end - time_start}98def candidates(graph: str, search: str, limit: Union[int, None], query_limit: [int, None], label_entities: List[str],99 type_entities: List[str], have_types_only: bool, perfect_match_only: bool) -> Dict[str, List[Dict[str, Union[str, List[str]]]]]:100 """Find candidates of entities given an entity or a partial/full label"""101 def fetch_from_label(perfect_match: bool):102 if perfect_match:103 terms = ['"%s"' % term for term in search.strip().split(' ')]104 else:105 # Each word in the search term needs at least four characters to be included in partial search106 # The asterisk (*) indicates partial search107 terms = ['"%s*"' % term.strip(',') if len(term) > 3 else '"%s"' % term108 for term in search.strip().split(' ')]109 # Search terms are joined by 'AND' operators110 query = 'SELECT DISTINCT ?entity, ?label, ?type FROM <%s> WHERE { ' % graph111 partial_queries = []112 for label_entity in label_entities:113 labeled_query = '{ ?entity <%s> ?label . ' % label_entity114 labeled_query += '?label bif:contains \'%s\' ' % ' AND '.join(terms)115 if have_types_only:116 for type_entity in type_entities:117 typed_query = labeled_query + '. ?entity <%s> ?type } ' % type_entity118 partial_queries.append(typed_query)119 else:120 partial_queries.append('%s }' % labeled_query)121 122 query += ' UNION '.join(partial_queries)123 124 if not have_types_only:125 for type_entity in type_entities:126 query += 'OPTIONAL { ?entity <%s> ?type } ' % type_entity127 if perfect_match:128 query += 'FILTER (lcase(str(?label)) = "%s") ' % search.lower().strip()129 130 query += '} %s' % limit_filter131 db.graphs.client.setQuery(query)132 try:133 return db.graphs.client.query().convert()['results']['bindings']134 except timeout:135 return []136 def fetch_from_uri():137 query = 'SELECT DISTINCT ?label, ?type FROM <%s> WHERE { ' % graph138 partial_queries = []139 for label_entity in label_entities:140 labeled_query = '{ <%s> <%s> ?label ' % (search, label_entity)141 if have_types_only:142 for type_entity in type_entities:143 typed_query = labeled_query + '. <%s> <%s> ?type } ' % (search, type_entity)144 partial_queries.append(typed_query)145 else:146 partial_queries.append('%s }' % labeled_query)147 query += ' UNION '.join(partial_queries)148 if not have_types_only:149 for type_entity in type_entities:150 query += 'OPTIONAL { <%s> <%s> ?type } ' % (search, type_entity)151 query += '} %s' % limit_filter152 db.graphs.client.setQuery(query)153 try:154 return db.graphs.client.query().convert()['results']['bindings']155 except timeout:156 return []157 def filter_types(entries: list) -> list:158 filtered = []159 for entry in entries:160 types = [tag.lower() for tag in entry[1]['types'] if isinstance(tag, str)]161 if len(pos_type_tags):162 if all(any(pos.lower() in tag for tag in types) for pos in pos_type_tags):163 if len(neg_type_tags):164 if all(all(neg.lower() not in tag for tag in types) for neg in neg_type_tags):165 filtered.append(entry)166 else:167 filtered.append(entry)168 elif len(neg_type_tags):169 if all(all(neg.lower() not in tag for tag in types) for neg in neg_type_tags):170 filtered.append(entry)171 else:172 filtered.append(entry)173 return filtered174 limit_filter = "LIMIT %d" % query_limit if query_limit is not None else ''175 matches = dict()176 terms = search.split(' ')177 pos_type_tags = []178 neg_type_tags = []179 filtered_terms = []180 for term in terms:181 if term.startswith('+type:'):182 pos_type_tags += term.split(':')[1:]183 elif term.startswith('-type:'):184 neg_type_tags += term.split(':')[1:]185 else:186 filtered_terms.append(term)187 search = ' '.join(filtered_terms)188 if len(search) == 0:189 return {'exact_matches': [], 'first_matches': [], 'partial_matches': []}190 if search.startswith('http://') or search.startswith('https://'):191 response = fetch_from_uri()192 else:193 # Try searching for perfect matches first since perfect-match search is the fastest due to indexing194 response = fetch_from_label(True)195 # If not perfect matches found, try partial matches196 if len(response) == 0 and not perfect_match_only:197 response = fetch_from_label(False)198 # Convert the response into a clean dictionary-based output199 for item in response:200 uri = search if search.startswith('http://') or search.startswith('https://') else item['entity']['value']201 entity_label, entity_types = item['label']['value'], item['type']['value'] if 'type' in item else []202 if uri not in matches:203 matches[uri] = {'label': entity_label, 'types': [entity_types]}204 else:205 matches[uri]['types'].append(entity_types)206 results = {'exact_matches': [], 'first_matches': [], 'partial_matches': []}207 # Categorizes matches in to 'exact', 'first', and 'partial' lists208 for uri, data in matches.items():209 norm_search = search.lower()210 entity_label = data['label'].lower()211 if norm_search == entity_label:212 results['exact_matches'].append((len(entity_label), {'uri': uri, **data}))213 elif entity_label.startswith(norm_search):214 results['first_matches'].append((len(entity_label), {'uri': uri, **data}))215 else:216 results['partial_matches'].append((len(entity_label), {'uri': uri, **data}))217 # Return matches with shorter labels first218 results['exact_matches'].sort(key=lambda x: x[0])219 results['first_matches'].sort(key=lambda x: x[0])220 results['partial_matches'].sort(key=lambda x: x[0])221 results['exact_matches'] = filter_types(results['exact_matches'])222 results['first_matches'] = filter_types(results['first_matches'])223 results['partial_matches'] = filter_types(results['partial_matches'])224 if limit is not None:225 return {'exact_matches': [entity[1] for entity in results['exact_matches'][:limit]],226 'first_matches': [entity[1] for entity in results['first_matches'][:limit - len(results['first_matches'])]],227 'partial_matches': [entity[1] for entity in228 results['partial_matches'][:limit - len(results['first_matches']) - len(results['partial_matches'])]]}229 else:230 return {'exact_matches': [entity[1] for entity in results['exact_matches']],231 'first_matches': [entity[1] for entity in results['first_matches']],232 'partial_matches': [entity[1] for entity in results['partial_matches']]}233def entity(graph: str, subject: str, label_entities: List[str], type_entities: str):234 """Find objects or an attribute given subject and predicate"""235 query = """SELECT DISTINCT ?predicate ?predicate_label ?predicate_type ?object ?object_label ?object_type 236 FROM <%s> WHERE { <%s> ?predicate ?object . """ % (graph, subject)237 for label_entity in label_entities:238 query += 'OPTIONAL { ?predicate <%s> ?predicate_label . ?object <%s> ?object_label } . ' \239 % (label_entity, label_entity)240 for type_entity in type_entities:241 query += 'OPTIONAL { ?predicate <%s> ?predicate_type . ?object <%s> ?object_type } . ' \242 % (type_entity, type_entity)243 query += '} '244 db.graphs.client.setQuery(query)245 response = db.graphs.client.query().convert()['results']['bindings']246 results = {}247 for item in response:248 predicate_value = item['predicate']['value']249 object_value = item['object']['value']250 if predicate_value not in results:251 results[predicate_value] = {}252 predicate = results[predicate_value]253 if 'predicate_label' in item:254 label = {'value': item['predicate_label']['value']}255 if 'xml:lang' in item['predicate_label']:256 label['language'] = item['predicate_label']['xml:lang']257 if 'labels' not in predicate:258 predicate['labels'] = [label]259 elif label not in predicate['labels']:260 predicate['labels'].append(label)261 if 'predicate_type' in item:262 typ = item['predicate_type']['value']263 if 'types' not in predicate:264 predicate['types'] = [typ]265 elif typ not in predicate['types']:266 predicate['types'].append(typ)267 if item['object']['type'] == 'uri':268 if 'objects' not in predicate:269 predicate['objects'] = {object_value: {}}270 elif item['object']['value'] not in predicate['objects']:271 predicate['objects'][object_value] = {}272 obj = predicate['objects'][object_value]273 if 'object_label' in item:274 label = {'value': item['object_label']['value']}275 if 'xml:lang' in item['object_label']:276 label['language'] = item['object_label']['xml:lang']277 if 'labels' not in obj:278 obj['labels'] = [label]279 elif label not in obj['labels']:280 obj['labels'].append(label)281 if 'object_type' in item:282 typ = item['object_type']['value']283 if 'types' not in obj:284 obj['types'] = [typ]285 elif typ not in obj['types']:286 obj['types'].append(typ)287 elif item['object']['type'] in ('literal', 'typed-literal'):288 attribute = {'value': item['object']['value']}289 if 'xml:lang' in item['object']:290 attribute['language'] = item['object']['xml:lang']291 if 'datatype' in item['object']:292 attribute['datatype'] = item['object']['datatype']293 if 'attributes' not in predicate:294 predicate['attributes'] = [attribute]295 elif attribute not in predicate['attributes']:296 predicate['attributes'].append(attribute)...

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test_filter.py

Source:test_filter.py Github

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...312 predicate.setLogLevelForNamespace("twext.web2", LogLevel.debug)313 predicate.setLogLevelForNamespace("twext.web2.dav", LogLevel.warn)314 def checkPredicate(namespace, level, expectedResult):315 event = dict(log_namespace=namespace, log_level=level)316 self.assertEqual(expectedResult, predicate(event))317 checkPredicate("", LogLevel.debug, PredicateResult.no)318 checkPredicate("", LogLevel.error, PredicateResult.maybe)319 checkPredicate("twext.web2", LogLevel.debug, PredicateResult.maybe)320 checkPredicate("twext.web2", LogLevel.error, PredicateResult.maybe)321 checkPredicate("twext.web2.dav", LogLevel.debug, PredicateResult.no)322 checkPredicate("twext.web2.dav", LogLevel.error, PredicateResult.maybe)323 checkPredicate(None, LogLevel.critical, PredicateResult.no)...

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exclusions.py

Source:exclusions.py Github

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...11import contextlib12import inspect13class skip_if(object):14 def __init__(self, predicate, reason=None):15 self.predicate = _as_predicate(predicate)16 self.reason = reason17 _fails_on = None18 def __add__(self, other):19 def decorate(fn):20 return other(self(fn))21 return decorate22 @property23 def enabled(self):24 return self.enabled_for_config(config._current)25 def enabled_for_config(self, config):26 return not self.predicate(config)27 @contextlib.contextmanager28 def fail_if(self, name='block'):29 try:30 yield31 except Exception as ex:32 if self.predicate(config._current):33 print(("%s failed as expected (%s): %s " % (34 name, self.predicate, str(ex))))35 else:36 raise37 else:38 if self.predicate(config._current):39 raise AssertionError(40 "Unexpected success for '%s' (%s)" %41 (name, self.predicate))42 def __call__(self, fn):43 @decorator44 def decorate(fn, *args, **kw):45 if self.predicate(config._current):46 if self.reason:47 msg = "'%s' : %s" % (48 fn.__name__,49 self.reason50 )51 else:52 msg = "'%s': %s" % (53 fn.__name__, self.predicate54 )55 raise SkipTest(msg)56 else:57 if self._fails_on:58 with self._fails_on.fail_if(name=fn.__name__):59 return fn(*args, **kw)60 else:61 return fn(*args, **kw)62 return decorate(fn)63 def fails_on(self, other, reason=None):64 self._fails_on = skip_if(other, reason)65 return self66 def fails_on_everything_except(self, *dbs):67 self._fails_on = skip_if(fails_on_everything_except(*dbs))68 return self69class fails_if(skip_if):70 def __call__(self, fn):71 @decorator72 def decorate(fn, *args, **kw):73 with self.fail_if(name=fn.__name__):74 return fn(*args, **kw)75 return decorate(fn)76def only_if(predicate, reason=None):77 predicate = _as_predicate(predicate)78 return skip_if(NotPredicate(predicate), reason)79def succeeds_if(predicate, reason=None):80 predicate = _as_predicate(predicate)81 return fails_if(NotPredicate(predicate), reason)82class Predicate(object):83 @classmethod84 def as_predicate(cls, predicate):85 if isinstance(predicate, skip_if):86 return NotPredicate(predicate.predicate)87 elif isinstance(predicate, Predicate):88 return predicate89 elif isinstance(predicate, list):90 return OrPredicate([cls.as_predicate(pred) for pred in predicate])91 elif isinstance(predicate, tuple):92 return SpecPredicate(*predicate)93 elif isinstance(predicate, util.string_types):94 tokens = predicate.split(" ", 2)95 op = spec = None96 db = tokens.pop(0)97 if tokens:98 op = tokens.pop(0)99 if tokens:100 spec = tuple(int(d) for d in tokens.pop(0).split("."))101 return SpecPredicate(db, op, spec)102 elif util.callable(predicate):103 return LambdaPredicate(predicate)104 else:105 assert False, "unknown predicate type: %s" % predicate106class BooleanPredicate(Predicate):107 def __init__(self, value, description=None):108 self.value = value109 self.description = description or "boolean %s" % value110 def __call__(self, config):111 return self.value112 def _as_string(self, negate=False):113 if negate:114 return "not " + self.description115 else:116 return self.description117 def __str__(self):118 return self._as_string()119class SpecPredicate(Predicate):120 def __init__(self, db, op=None, spec=None, description=None):121 self.db = db122 self.op = op123 self.spec = spec124 self.description = description125 _ops = {126 '<': operator.lt,127 '>': operator.gt,128 '==': operator.eq,129 '!=': operator.ne,130 '<=': operator.le,131 '>=': operator.ge,132 'in': operator.contains,133 'between': lambda val, pair: val >= pair[0] and val <= pair[1],134 }135 def __call__(self, config):136 engine = config.db137 if "+" in self.db:138 dialect, driver = self.db.split('+')139 else:140 dialect, driver = self.db, None141 if dialect and engine.name != dialect:142 return False143 if driver is not None and engine.driver != driver:144 return False145 if self.op is not None:146 assert driver is None, "DBAPI version specs not supported yet"147 version = _server_version(engine)148 oper = hasattr(self.op, '__call__') and self.op \149 or self._ops[self.op]150 return oper(version, self.spec)151 else:152 return True153 def _as_string(self, negate=False):154 if self.description is not None:155 return self.description156 elif self.op is None:157 if negate:158 return "not %s" % self.db159 else:160 return "%s" % self.db161 else:162 if negate:163 return "not %s %s %s" % (164 self.db,165 self.op,166 self.spec167 )168 else:169 return "%s %s %s" % (170 self.db,171 self.op,172 self.spec173 )174 def __str__(self):175 return self._as_string()176class LambdaPredicate(Predicate):177 def __init__(self, lambda_, description=None, args=None, kw=None):178 spec = inspect.getargspec(lambda_)179 if not spec[0]:180 self.lambda_ = lambda db: lambda_()181 else:182 self.lambda_ = lambda_183 self.args = args or ()184 self.kw = kw or {}185 if description:186 self.description = description187 elif lambda_.__doc__:188 self.description = lambda_.__doc__189 else:190 self.description = "custom function"191 def __call__(self, config):192 return self.lambda_(config)193 def _as_string(self, negate=False):194 if negate:195 return "not " + self.description196 else:197 return self.description198 def __str__(self):199 return self._as_string()200class NotPredicate(Predicate):201 def __init__(self, predicate):202 self.predicate = predicate203 def __call__(self, config):204 return not self.predicate(config)205 def __str__(self):206 return self.predicate._as_string(True)207class OrPredicate(Predicate):208 def __init__(self, predicates, description=None):209 self.predicates = predicates210 self.description = description211 def __call__(self, config):212 for pred in self.predicates:213 if pred(config):214 self._str = pred215 return True216 return False217 _str = None218 def _eval_str(self, negate=False):219 if self._str is None:220 if negate:221 conjunction = " and "222 else:223 conjunction = " or "224 return conjunction.join(p._as_string(negate=negate)225 for p in self.predicates)226 else:227 return self._str._as_string(negate=negate)228 def _negation_str(self):229 if self.description is not None:230 return "Not " + (self.description % {"spec": self._str})231 else:232 return self._eval_str(negate=True)233 def _as_string(self, negate=False):234 if negate:235 return self._negation_str()236 else:237 if self.description is not None:238 return self.description % {"spec": self._str}239 else:240 return self._eval_str()241 def __str__(self):242 return self._as_string()243_as_predicate = Predicate.as_predicate244def _is_excluded(db, op, spec):245 return SpecPredicate(db, op, spec)(config._current)246def _server_version(engine):247 """Return a server_version_info tuple."""248 # force metadata to be retrieved249 conn = engine.connect()250 version = getattr(engine.dialect, 'server_version_info', ())251 conn.close()252 return version253def db_spec(*dbs):254 return OrPredicate(255 [Predicate.as_predicate(db) for db in dbs]256 )257def open():258 return skip_if(BooleanPredicate(False, "mark as execute"))259def closed():260 return skip_if(BooleanPredicate(True, "marked as skip"))261def fails():262 return fails_if(BooleanPredicate(True, "expected to fail"))263@decorator264def future(fn, *arg):265 return fails_if(LambdaPredicate(fn), "Future feature")266def fails_on(db, reason=None):267 return fails_if(SpecPredicate(db), reason)268def fails_on_everything_except(*dbs):269 return succeeds_if(270 OrPredicate([271 SpecPredicate(db) for db in dbs272 ])273 )274def skip(db, reason=None):275 return skip_if(SpecPredicate(db), reason)276def only_on(dbs, reason=None):277 return only_if(278 OrPredicate([SpecPredicate(db) for db in util.to_list(dbs)])279 )280def exclude(db, op, spec, reason=None):281 return skip_if(SpecPredicate(db, op, spec), reason)282def against(config, *queries):283 assert queries, "no queries sent!"284 return OrPredicate([285 Predicate.as_predicate(query)286 for query in queries...

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predicate_merger.py

Source:predicate_merger.py Github

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...33 preds_map = {}34 available_predicates = []35 merged_preds_as_string = []36 for predicate in predicates:37 parsed_pred = self.__parse_predicate(predicate)38 if parsed_pred[0] in preds_map.keys():39 preds_map[parsed_pred[0]].append(parsed_pred)40 else:41 preds_map[parsed_pred[0]] = [parsed_pred]42 for key in preds_map.keys():43 c_pred = self.__reduce_predicate_list(preds_map[key])44 available_predicates.append(c_pred)45 merged_preds_as_string.append(self.__tuple_to_predicate_string(c_pred))46 return (merged_preds_as_string, available_predicates)47 def __parse_predicate(self, predicate_string):48 """49 parse_predicate gets a predicate string and parses it into a useful tuple of (predicate_Name,[(type_name,occurance)]).50 :param predicate_string: A predicate as string e.g (LOCATED ?VEH - VEHICLE ?OBJ ?sObj ?thirdObj - PHYSOBJ).51 :return: (String,[(String,int)]): A parsed predicate as tuple e.g. ('LOCATED',[(VEHICLE,1),(PHYSOBJ,3)]).52 """53 pred_name = None54 pred_types = []55 pred = predicate_string56 if '(' in predicate_string and '?' in predicate_string:57 start = predicate_string.index('(')58 end = predicate_string.index('?')59 if start + 1 >= end - 1:60 logger.error("Can't parse predicate: " + predicate_string)61 raise ValueError("Can't parse predicate: " + predicate_string)...

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comparators.py

Source:comparators.py Github

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...6try:7 from functools import cmp_to_key8except ImportError:9 from ...backports import cmp_to_key10def marker_comparator_predicate(match):11 """12 Match predicate used in comparator13 """14 return not match.private and \15 match.name not in ['proper_count', 'title', 'episode_title', 'alternative_title'] and \16 not (match.name == 'container' and 'extension' in match.tags)17def marker_weight(matches, marker, predicate):18 """19 Compute the comparator weight of a marker20 :param matches:21 :param marker:22 :param predicate:23 :return:24 """...

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predicates.py

Source:predicates.py Github

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1"""2 This module houses the GEOS ctypes prototype functions for the3 unary and binary predicate operations on geometries.4"""5from ctypes import c_char, c_char_p, c_double6from django.contrib.gis.geos.libgeos import GEOM_PTR, GEOSFuncFactory7from django.contrib.gis.geos.prototypes.errcheck import check_predicate8# ## Binary & unary predicate factories ##9class UnaryPredicate(GEOSFuncFactory):10 "For GEOS unary predicate functions."11 argtypes = [GEOM_PTR]12 restype = c_char13 errcheck = staticmethod(check_predicate)14class BinaryPredicate(UnaryPredicate):15 "For GEOS binary predicate functions."16 argtypes = [GEOM_PTR, GEOM_PTR]17# ## Unary Predicates ##18geos_hasz = UnaryPredicate('GEOSHasZ')19geos_isclosed = UnaryPredicate('GEOSisClosed')20geos_isempty = UnaryPredicate('GEOSisEmpty')21geos_isring = UnaryPredicate('GEOSisRing')22geos_issimple = UnaryPredicate('GEOSisSimple')23geos_isvalid = UnaryPredicate('GEOSisValid')24# ## Binary Predicates ##25geos_contains = BinaryPredicate('GEOSContains')26geos_covers = BinaryPredicate('GEOSCovers')27geos_crosses = BinaryPredicate('GEOSCrosses')28geos_disjoint = BinaryPredicate('GEOSDisjoint')29geos_equals = BinaryPredicate('GEOSEquals')30geos_equalsexact = BinaryPredicate('GEOSEqualsExact', argtypes=[GEOM_PTR, GEOM_PTR, c_double])31geos_intersects = BinaryPredicate('GEOSIntersects')32geos_overlaps = BinaryPredicate('GEOSOverlaps')33geos_relatepattern = BinaryPredicate('GEOSRelatePattern', argtypes=[GEOM_PTR, GEOM_PTR, c_char_p])34geos_touches = BinaryPredicate('GEOSTouches')...

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prepared.py

Source:prepared.py Github

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1from ctypes import c_char2from django.contrib.gis.geos.libgeos import (3 GEOM_PTR, PREPGEOM_PTR, GEOSFuncFactory,4)5from django.contrib.gis.geos.prototypes.errcheck import check_predicate6# Prepared geometry constructor and destructors.7geos_prepare = GEOSFuncFactory('GEOSPrepare', argtypes=[GEOM_PTR], restype=PREPGEOM_PTR)8prepared_destroy = GEOSFuncFactory('GEOSPreparedGeom_destroy', argtypes=[PREPGEOM_PTR])9# Prepared geometry binary predicate support.10class PreparedPredicate(GEOSFuncFactory):11 argtypes = [PREPGEOM_PTR, GEOM_PTR]12 restype = c_char13 errcheck = staticmethod(check_predicate)14prepared_contains = PreparedPredicate('GEOSPreparedContains')15prepared_contains_properly = PreparedPredicate('GEOSPreparedContainsProperly')16prepared_covers = PreparedPredicate('GEOSPreparedCovers')17prepared_crosses = PreparedPredicate('GEOSPreparedCrosses')18prepared_disjoint = PreparedPredicate('GEOSPreparedDisjoint')19prepared_intersects = PreparedPredicate('GEOSPreparedIntersects')20prepared_overlaps = PreparedPredicate('GEOSPreparedOverlaps')21prepared_touches = PreparedPredicate('GEOSPreparedTouches')...

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1expect.extend({2 toBeDivisibleBy(received, argument) {3 const pass = received % argument === 0;4 if (pass) {5 return {6 message: () =>7 `expected ${received} not to be divisible by ${argument}`,8 };9 } else {10 return {11 message: () =>12 `expected ${received} to be divisible by ${argument}`,13 };14 }15 },16});17test('divisible by', () => {18 expect(100).toBeDivisibleBy(10);19});

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1expect.extend({2 toBeDivisibleBy(received, argument) {3 const pass = received % argument === 0;4 if (pass) {5 return {6 message: () =>7 `expected ${received} not to be divisible by ${argument}`,8 };9 } else {10 return {11 message: () =>12 `expected ${received} to be divisible by ${argument}`,13 };14 }15 },16});17test('divisible', () => {18 expect(100).toBeDivisibleBy(2);19});20const { toBeDivisibleBy } = require('./test');21expect.extend({ toBeDivisibleBy });22test('divisible', () => {23 expect(100).toBeDivisibleBy(2);24});25const { toBeDivisibleBy } = require('./test');26expect.extend({ toBeDivisibleBy });27test('divisible', () => {28 expect(100).toBeDivisibleBy(2);29});30const { toBeDivisibleBy } = require('./test');31expect.extend({ toBeDivisibleBy });32test('divisible', () => {33 expect(100).toBeDivisibleBy(2);34});35const { toBeDivisibleBy } = require('./test');36expect.extend({ toBeDivisibleBy });37test('divisible', () => {38 expect(100).toBeDivisibleBy(2);39});40const { toBeDivisibleBy } = require('./test');41expect.extend({ toBeDivisibleBy });42test('divisible', () => {43 expect(100).toBeDivisibleBy(2);44});45const { toBeDivisibleBy } = require('./test');46expect.extend({ toBeDivisibleBy });47test('divisible', () => {48 expect(100).toBeDivisibleBy(2);49});50const { toBeDivisibleBy } = require('./test');51expect.extend({ toBeDivisibleBy });52test('divisible', () => {53 expect(100).toBeDivisibleBy(2);54});55const { toBeDivisibleBy } = require('./test');56expect.extend({ toBeDivisibleBy });

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1expect.extend({2 toBeDivisibleBy(received, argument) {3 const pass = received % argument === 0;4 if (pass) {5 return {6 message: () =>7 `expected ${received} not to be divisible by ${argument}`,8 };9 } else {10 return {11 message: () =>12 `expected ${received} to be divisible by ${argument}`,13 };14 }15 },16});17test('divisible by 3', () => {18 expect(3).toBeDivisibleBy(3);19});20 ✓ divisible by 3 (2ms)21expect.extend({22 toBeDivisibleBy(received, argument) {23 const pass = received % argument === 0;24 if (pass) {25 return {26 message: () =>27 `expected ${received} not to be divisible by ${argument}`,28 };29 } else {30 return {31 message: () =>32 `expected ${received} to be divisible by ${argument}`,33 };34 }35 },36});37test('divisible by 3', () => {38 expect(3).toBeDivisibleBy(3);39});40 ✓ divisible by 3 (2ms)41expect.extend({42 toBeDivisibleBy(received, argument) {43 const pass = received % argument === 0;44 if (pass) {45 return {46 message: () =>47 `expected ${received} not to be divisible by ${argument}`,48 };49 } else {50 return {51 message: () =>52 `expected ${received} to be divisible by ${argument}`,53 };

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1expect.extend({2 toBeDivisibleBy(received, argument) {3 const pass = received % argument === 0;4 if (pass) {5 return {6 message: () =>7 `expected ${received} not to be divisible by ${argument}`,8 };9 } else {10 return {11 message: () =>12 `expected ${received} to be divisible by ${argument}`,13 };14 }15 },16});17test('divisible by 2', () => {18 expect(4).toBeDivisibleBy(2);19});20test('not divisible by 2', () => {21 expect(3).not.toBeDivisibleBy(2);22});23test('divisible by 3', () => {24 expect(3).toBeDivisibleBy(3);25});26test('not divisible by 3', () => {27 expect(4).not.toBeDivisibleBy(3);28});29test('divisible by 4', () => {30 expect(4).toBeDivisibleBy(4);31});32test('not divisible by 4', () => {33 expect(5).not.toBeDivisibleBy(4);34});35test('divisible by 5', () => {36 expect(5).toBeDivisibleBy(5);37});38test('not divisible by 5', () => {39 expect(6).not.toBeDivisibleBy(5);40});

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1expect.extend({2 toBeEven(received) {3 const pass = received % 2 === 0;4 if (pass) {5 return {6 message: () => `expected ${received} not to be even number`,7 };8 } else {9 return {10 message: () => `expected ${received} to be even number`,11 };12 }13 },14});15test("2 is even", () => {16 expect(2).toBeEven();17});18test("3 is not even", () => {19 expect(3).not.toBeEven();20});21expect.extend({22 toBeOdd(received) {23 const pass = received % 2 !== 0;24 if (pass) {25 return {26 message: () => `expected ${received} not to be odd number`,27 };28 } else {29 return {30 message: () => `expected ${received} to be odd number`,31 };32 }33 },34});35test("3 is odd", () => {36 expect(3).toBeOdd();37});38test("2 is not odd", () => {39 expect(2).not.toBeOdd();40});41expect.extend({42 toBePositive(received) {43 const pass = received > 0;44 if (pass) {45 return {46 message: () => `expected ${received} not to be positive number`,47 };48 } else {49 return {50 message: () => `expected ${received} to be positive number`,51 };52 }53 },54});55test("3 is positive", () => {56 expect(3).toBePositive();57});58test("-3 is not positive", () => {59 expect(-3).not.toBePositive();60});61expect.extend({62 toBeNegative(received) {63 const pass = received < 0;64 if (pass) {65 return {66 message: () => `expected ${received} not to be negative number`,67 };68 } else {69 return {70 message: () => `expected ${received} to

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1const { predicate } = require('jest-extended');2expect.extend({3 toBeDivisibleBy: predicate((received, argument) => {4 const pass = received % argument === 0;5 if (pass) {6 return {7 message: () => `expected ${received} not to be divisible by ${argument}`,8 };9 }10 return {11 message: () => `expected ${received} to be divisible by ${argument}`,12 };13 }),14});15const { toBeDivisibleBy } = require('./test');16test('passes when received is divisible by argument', () => {17 expect(10).toBeDivisibleBy(2);18});19test('fails when received is not divisible by argument', () => {20 expect(10).not.toBeDivisibleBy(3);21});22Object {23}24`;25Object {26}27`;28const { toBeDivisibleBy } = require('./test');29test('passes when received is divisible by argument', () => {30 expect(10).toBeDivisibleBy(2);31});32test('fails when received is not divisible by argument', () => {33 expect(10).not.toBeDivisibleBy(3);34});35Object {36}37`;38Object {39}40`;41const { toBeDivisibleBy } = require('./test');42test('passes when received is divisible by argument', () => {43 expect(10).toBeDivisibleBy(2);44});45test('fails when received is not divisible by argument', () => {46 expect(10).not.toBeDivisibleBy(3);47});

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1expect.extend({2 toBeValidDate(received) {3 const pass = isDate(received);4 if (pass) {5 return {6 message: () => `expected ${received} not to be a valid date`,7 };8 } else {9 return {10 message: () => `expected ${received} to be a valid date`,11 };12 }13 },14});15test('testing isDate predicate method', () => {16 expect(new Date()).toBeValidDate();17 expect('2019-11-11').not.toBeValidDate();18 expect('2019-11-11T11:11:11').not.toBeValidDate();19});20 ✓ testing isDate predicate method (2ms)21expect.extend({22 toBeValidDate(received) {23 const pass = isDate(received);24 if (pass) {25 return {26 message: () => `expected ${received} not to be a valid date`,27 };28 } else {29 return {30 message: () => `expected ${received} to be a valid date`,31 };32 }33 },34});35test('testing isDate matcher method', () => {36 expect(new Date()).toBeValidDate();37 expect('2019-11-11').not.toBeValidDate();38 expect('2019-11-11T11:11:11').not.toBeValidDate();39});40 ✓ testing isDate matcher method (2ms)41expect.extend({42 toBeValidDate(received,

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1expect(array).toEqual(expect.arrayContaining(arrayContaining));2expect(array).toEqual(expect.arrayContaining(arrayContaining));3expect(array).toEqual(expect.arrayContaining(arrayContaining));4expect(array).toEqual(expect.arrayContaining(arrayContaining));5expect(array).toEqual(expect.arrayContaining(arrayContaining));6expect(array).toEqual(expect.arrayContaining(arrayContaining));7expect(array).toEqual(expect.arrayContaining(arrayContaining));8expect(array).toEqual(expect.arrayContaining(arrayContaining));9expect(array).toEqual(expect.arrayContaining(arrayContaining));10expect(array).toEqual(expect.arrayContaining(arrayContaining));11expect(array).toEqual(expect.arrayContaining(arrayContaining));12expect(array).toEqual(expect.arrayContaining(arrayContaining));13expect(array).toEqual(expect.arrayContaining(arrayContaining));14expect(array).toEqual(expect.arrayContaining(arrayContaining));15expect(array).toEqual(expect.arrayContaining(arrayContaining));16expect(array).toEqual(expect.arrayContaining(arrayContaining));17expect(array).toEqual(expect.arrayContaining(arrayContaining));18expect(array).toEqual(expect.arrayContaining(arrayContaining));19expect(array).toEqual(expect.arrayContaining(arrayContaining));20expect(array).toEqual(expect.arrayContaining(arrayContaining));21expect(array).toEqual(expect.arrayContaining(arrayContaining));22expect(array).toEqual(expect.arrayContaining(arrayContaining));23expect(array).toEqual(expect.arrayContaining(arrayContaining));24expect(array).toEqual(expect.arrayContaining(arrayContaining));25expect(array).toEqual(expect.arrayContaining(arrayContaining));

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1const { predicate } = require('jest-extended');2expect.extend({3 toBeValidNumber: predicate(Number.isFinite),4});5test('test number', () => {6 expect(1).toBeValidNumber();7});8 ✓ test number (1ms)

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1const {predicate} = require('jest-extended');2expect.extend(predicate);3const {isEven} = require('./isEven.js');4expect.extend({5 toBeEven: predicate(isEven)6});7test('expect 2 to be even', () => {8 expect(2).toBeEven();9});10test('expect 3 to not be even', () => {11 expect(3).not.toBeEven();12});13const isEven = (num) => {14 return num % 2 === 0;15};16module.exports = {17};18const isEven = (num) => {19 return num % 2 === 0;20};21module.exports = {22};23const {isEven} = require('./isEven.js');24expect.extend({25 toBeEven: (received) => {26 const pass = isEven(received);27 if (pass) {28 return {29 message: () => `expected ${received} not to be even`,30 };31 } else {32 return {33 message: () => `expected ${received} to be even`,34 };35 }36 }37});38test('expect 2 to be even', () => {39 expect(2).toBeEven();40});41test('expect 3 to not be even', () => {42 expect(3).not.toBeEven();43});

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