def test_import_empty_taxonomy_throws():
backend = make_backend(Mock())
# We don't know how to locate the taxonomy with no root, so there's not
# much option other than to throw. Remember there could be multiple
# taxonomies in the database.
with raises(occubrow.errors.EmptyTaxonomyError):
backend.import_taxonomy(INPUT_TAXONOMY)
def test_precedes_relationship(neo4j_driver):
repository = RealNeo4jRepository(neo4j_driver)
backend = make_backend(repository)
for phrase in phrases:
repository.add_precedes_links(phrase)
assert backend.graph_matches(EXPECTED_DATA)
def test_can_retrieve_entire_graph(neo4j_driver):
backend = make_backend(RealNeo4jRepository(neo4j_driver))
with neo4j_driver.session() as session:
session.run("MATCH (a) DETACH DELETE a")
session.run(
"CREATE (a:Person {name:'Alice'})-[:KNOWS]->(b:Person {name:'Bob'})"
)
assert backend.graph_matches(EXPECTED_DATA)
def test_single_root_taxonomy_imports():
input_data = {'id': 'A_Single_Root'}
mock_repository = Mock()
runmock = mock_repository.run_statement
backend = make_backend(mock_repository)
backend.import_taxonomy(input_data)
runmock.assert_called_once_with('CREATE (t:Taxon {content: $content})',
content='A_Single_Root')
def test_import_worked(neo4j_driver):
input_data = {
'id':
'Music',
'children': [{
'id': 'Rock',
'children': []
}, {
'id': 'Classical',
'children': []
}]
}
expected_graph = {
'directed':
True,
'graph': {},
'links': [{
'source': 0,
'target': 1,
'type': 'SUPERCATEGORY_OF'
}, {
'source': 0,
'target': 2,
'type': 'SUPERCATEGORY_OF'
}],
'multigraph':
False,
'nodes': [{
'content': 'Music',
'id': 0,
'label': 'Taxon'
}, {
'content': 'Rock',
'id': 1,
'label': 'Taxon'
}, {
'content': 'Classical',
'id': 2,
'label': 'Taxon'
}]
}
backend = make_backend(RealNeo4jRepository(neo4j_driver))
backend.import_taxonomy(input_data)
assert backend.graph_matches(expected_graph)
def test_can_retrieve_entire_graph_mocked():
mock_neo4j_repository = unittest.mock.Mock()
mock_neo4j_repository.pull_graph.return_value = {
'nodes': [
Node(1, 'Person', {'name': 'Alice'}),
Node(2, 'Person', {'name': 'Bob'})
],
'rels': [Relationship(1, 2, {}, 'KNOWS')]
}
backend = make_backend(mock_neo4j_repository)
# This is just going to no-op
mock_neo4j_repository.execute("MATCH (a) DETACH DELETE a")
mock_neo4j_repository.execute(
"CREATE (a:Person {name:'Alice'})-[:KNOWS]->(b:Person {name:'Bob'})")
assert backend.graph_matches(EXPECTED_DATA)
def test_small_taxonomy_imports():
input_data = {
'id':
'Music',
'children': [{
'id': 'Rock',
'children': []
}, {
'id': 'Classical',
'children': []
}]
}
# For the isolated test, we check that the backend submits the correct
# Cypher query to the repository. We can't really test on raw strings
# because we use NPD's feature of parameterized queries. So we have to
# shim the driver's "run" interface and test against that instead.
#
# The use of $properties here is a bit unfortunate because it's shared
# knowledge between the tests & code.
mock_repository = Mock()
runmock = mock_repository.run_statement
backend = make_backend(mock_repository)
backend.import_taxonomy(input_data)
calls = [
call('CREATE (t:Taxon {content: $content})', content='Music'),
call('CREATE (t:Taxon {content: $content})', content='Rock'),
call('CREATE (t:Taxon {content: $content})', content='Classical'),
call(
'MATCH (t1:Taxon {content: $start_node}), (t2:Taxon {content: $end_node})\n CREATE (t1)-[:SUPERCATEGORY_OF]->(t2)',
end_node='Rock',
start_node='Music'),
call(
'MATCH (t1:Taxon {content: $start_node}), (t2:Taxon {content: $end_node})\n CREATE (t1)-[:SUPERCATEGORY_OF]->(t2)',
end_node='Classical',
start_node='Music')
]
runmock.assert_has_calls(calls, any_order=True)
def test_can_export_taxonomy_tree(neo4j_driver):
backend = make_backend(RealNeo4jRepository(neo4j_driver))
backend.import_taxonomy(input_data)
root = 'Music'
tree_data = backend.export_taxonomy_tree(root)
assert tree_matches(tree_data, EXPECTED_EXPORT_DATA)
def test_taxonomy_export():
repository = get_mocked_repository()
b = make_backend(repository)
root = 'Music'
tree_data = b.export_taxonomy_tree(root)
assert tree_data == EXPECTED_EXPORT_DATA
def test_get_tree():
repository = Mock()
backend = make_backend(repository)
repository.pull_graph.return_value = PRELOADED_SENTENCES
assert backend.get_token_tree('keep', 4, 0) == WANTED_DATA