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# SPDX-License-Identifier: BSD-2-Clause
#
# This file is part of pyosmium. (https://osmcode.org/pyosmium/)
#
# Copyright (C) 2025 Sarah Hoffmann <lonvia@denofr.de> and others.
# For a full list of authors see the git log.
import pytest
import uuid
import osmium
def assert_tracker_content(ids, nodes, ways, rels):
assert len(ids.node_ids()) == len(nodes)
assert all(n in ids.node_ids() for n in nodes), \
f"Nodes not found: {[n for n in nodes if n not in ids.node_ids()]}"
assert len(ids.way_ids()) == len(ways)
assert all(n in ids.way_ids() for n in ways), \
f"Ways not found: {[n for n in ways if n not in ids.way_ids()]}"
assert len(ids.relation_ids()) == len(rels)
assert all(n in ids.relation_ids() for n in rels), \
f"Relations not found: {[n for n in rels if n not in ids.relation_ids()]}"
def test_add_node():
ids = osmium.IdTracker()
ids.add_node(45)
assert ids.node_ids().get(45)
assert len(ids.node_ids()) == 1
ids.node_ids().unset(45)
assert ids.node_ids().empty()
def test_add_way():
ids = osmium.IdTracker()
ids.add_way(45)
assert ids.way_ids().get(45)
assert len(ids.way_ids()) == 1
ids.way_ids().unset(45)
assert ids.way_ids().empty()
def test_add_relation():
ids = osmium.IdTracker()
ids.add_relation(45)
assert ids.relation_ids().get(45)
assert len(ids.relation_ids()) == 1
ids.relation_ids().unset(45)
assert ids.relation_ids().empty()
def test_add_references_from_file(opl_buffer):
data = """\
w1 Nn1,n2,n3
w2 Nn100,n2,n101
r1 Mn1000@,w23@,r1@
"""
ids = osmium.IdTracker()
for obj in osmium.FileProcessor(opl_buffer(data)):
ids.add_references(obj)
assert len(ids.node_ids()) == 6
assert all(n in ids.node_ids() for n in (1, 2, 3, 100, 101, 1000))
assert len(ids.way_ids()) == 1
assert 23 in ids.way_ids()
assert len(ids.relation_ids()) == 1
assert 1 in ids.relation_ids()
def test_add_reference_from_python_way():
ids = osmium.IdTracker()
class Way:
nodes = [5, 7, 23, 1, 5]
ids.add_references(Way())
assert len(ids.node_ids()) == 4
assert all(n in ids.node_ids() for n in (1, 5, 7, 23))
def test_add_reference_from_python_relation():
ids = osmium.IdTracker()
class Member:
type = 'r'
ref = 100
role = ''
class Rel:
members = [('n', 23, ''),
('w', 3, ''),
Member()]
ids.add_references(Rel())
assert len(ids.node_ids()) == 1
assert 23 in ids.node_ids()
assert len(ids.way_ids()) == 1
assert 3 in ids.way_ids()
assert len(ids.relation_ids()) == 1
assert 100 in ids.relation_ids()
def test_contains_references_in_node(opl_buffer):
ids = osmium.IdTracker()
ids.add_node(45)
for obj in osmium.FileProcessor(opl_buffer('n45')):
assert not ids.contains_any_references(obj)
def test_contains_references_in_way(opl_buffer):
ids = osmium.IdTracker()
ids.add_node(45)
for obj in osmium.FileProcessor(opl_buffer('w3 Nn12,n45')):
assert ids.contains_any_references(obj)
def test_contains_references_not_in_way(opl_buffer):
ids = osmium.IdTracker()
ids.add_way(3)
for obj in osmium.FileProcessor(opl_buffer('w3 Nn12,n45')):
assert not ids.contains_any_references(obj)
def test_contains_references_in_relation(opl_buffer):
ids = osmium.IdTracker()
ids.add_node(45)
for obj in osmium.FileProcessor(opl_buffer('r3 Mn12@,n45@')):
assert ids.contains_any_references(obj)
def test_contains_references_not_in_relation(opl_buffer):
ids = osmium.IdTracker()
ids.add_way(3)
for obj in osmium.FileProcessor(opl_buffer('r3 Mn12@,n45@')):
assert not ids.contains_any_references(obj)
REF_SRC = """\
w12 Nn1,n2
w90 Nn10,n11
r2 Mn99@
r10 Mn100@,w90@,r2@
"""
@pytest.mark.parametrize('depth', range(3))
def test_complete_backward_references(tmp_path, depth):
if depth == 0:
data_file = osmium.io.FileBuffer(REF_SRC.encode('utf-8'), 'opl')
else:
data_file = tmp_path / f"{uuid.uuid4()}.opl"
data_file.write_text(REF_SRC)
ids = osmium.IdTracker()
ids.add_way(12)
ids.add_relation(10)
ids.complete_backward_references(data_file, relation_depth=depth)
if depth == 0:
assert_tracker_content(ids, nodes=(1, 2), ways=(12,), rels=(10,))
elif depth == 1:
assert_tracker_content(ids, nodes=(1, 2, 10, 11, 100), ways=(12, 90), rels=(10, 2))
elif depth == 2:
assert_tracker_content(ids, nodes=(1, 2, 10, 11, 99, 100), ways=(12, 90), rels=(10, 2))
@pytest.mark.parametrize('depth', range(-1, 2))
def test_complete_forward_references(tmp_path, depth):
if depth == 0:
data_file = osmium.io.FileBuffer(REF_SRC.encode('utf-8'), 'opl')
else:
data_file = tmp_path / f"{uuid.uuid4()}.opl"
data_file.write_text(REF_SRC)
ids = osmium.IdTracker()
ids.add_node(1)
ids.add_node(99)
ids.complete_forward_references(data_file, relation_depth=depth)
if depth == -1:
assert_tracker_content(ids, nodes=(1, 99), ways=(12,), rels=[])
elif depth == 0:
assert_tracker_content(ids, nodes=(1, 99), ways=(12,), rels=[2])
elif depth == 1:
assert_tracker_content(ids, nodes=(1, 99), ways=(12,), rels=[2, 10])
def test_clear_node_id_set():
ids = osmium.IdTracker()
for i in range(1000, 1003):
ids.add_node(i)
assert len(ids.node_ids()) == 3
ids.node_ids().clear()
assert len(ids.node_ids()) == 0
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