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test_dict.py
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110 lines (80 loc) · 3.73 KB
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from __future__ import annotations
from type_aliases import ConnDB
def test_get_next(conn_db_in_mem: ConnDB) -> None:
conn, _ = conn_db_in_mem
conn.execute("CREATE NODE TABLE person(name STRING, age INT64, PRIMARY KEY(name));")
conn.execute("CREATE (:person {name: 'Alice', age: 30});")
conn.execute("CREATE (:person {name: 'Bob', age: 40});")
result = conn.execute("MATCH (p:person) RETURN p.*")
assert result.get_num_tuples() == 2
result.rows_as_dict()
row = result.get_next()
assert row == {"p.name": "Alice", "p.age": 30}
row = result.get_next()
assert row == {"p.name": "Bob", "p.age": 40}
def test_get_all(conn_db_in_mem: ConnDB) -> None:
conn, _ = conn_db_in_mem
conn.execute("CREATE NODE TABLE person(name STRING, age INT64, PRIMARY KEY(name));")
conn.execute("CREATE (:person {name: 'Alice', age: 30});")
conn.execute("CREATE (:person {name: 'Bob', age: 40});")
result = conn.execute("MATCH (p:person) RETURN p.*")
assert result.get_num_tuples() == 2
result.rows_as_dict()
rows = result.get_all()
assert rows[0] == {"p.name": "Alice", "p.age": 30}
assert rows[1] == {"p.name": "Bob", "p.age": 40}
def test_get_n(conn_db_in_mem: ConnDB) -> None:
conn, _ = conn_db_in_mem
conn.execute("CREATE NODE TABLE person(name STRING, age INT64, PRIMARY KEY(name));")
conn.execute("CREATE (:person {name: 'Alice', age: 30});")
conn.execute("CREATE (:person {name: 'Bob', age: 40});")
conn.execute("CREATE (:person {name: 'Cole', age: 20});")
result = conn.execute("MATCH (p:person) RETURN p.*")
assert result.get_num_tuples() == 3
result.rows_as_dict()
rows = result.get_n(2)
assert len(rows) == 2
assert rows[0] == {"p.name": "Alice", "p.age": 30}
assert rows[1] == {"p.name": "Bob", "p.age": 40}
rows = result.get_n(1)
assert len(rows) == 1
assert rows[0] == {"p.name": "Cole", "p.age": 20}
rows = result.get_n(1)
assert len(rows) == 0
def test_dict_iteration(conn_db_in_mem: ConnDB) -> None:
conn, _ = conn_db_in_mem
conn.execute("CREATE NODE TABLE person(name STRING, age INT64, PRIMARY KEY(name));")
conn.execute("CREATE (:person {name: 'Alice', age: 30});")
conn.execute("CREATE (:person {name: 'Bob', age: 40});")
result = conn.execute("MATCH (p:person) RETURN p.*")
assert result.get_num_tuples() == 2
result.rows_as_dict()
rows = list(result)
assert rows[0] == {"p.name": "Alice", "p.age": 30}
assert rows[1] == {"p.name": "Bob", "p.age": 40}
def test_dict_iteration_inline(conn_db_in_mem: ConnDB) -> None:
conn, _ = conn_db_in_mem
conn.execute("CREATE NODE TABLE person(name STRING, age INT64, PRIMARY KEY(name));")
conn.execute("CREATE (:person {name: 'Alice', age: 30});")
conn.execute("CREATE (:person {name: 'Bob', age: 40});")
result = conn.execute("MATCH (p:person) RETURN p.*")
assert result.get_num_tuples() == 2
rows = list(result.rows_as_dict())
assert rows[0] == {"p.name": "Alice", "p.age": 30}
assert rows[1] == {"p.name": "Bob", "p.age": 40}
def test_on_off(conn_db_in_mem: ConnDB) -> None:
conn, _ = conn_db_in_mem
conn.execute("CREATE NODE TABLE person(name STRING, age INT64, PRIMARY KEY(name));")
conn.execute("CREATE (:person {name: 'Alice', age: 30});")
conn.execute("CREATE (:person {name: 'Bob', age: 40});")
conn.execute("CREATE (:person {name: 'Cole', age: 20});")
result = conn.execute("MATCH (p:person) RETURN p.*")
assert result.get_num_tuples() == 3
row = result.get_next()
assert row == ["Alice", 30]
result.rows_as_dict()
row = result.get_next()
assert row == {"p.name": "Bob", "p.age": 40}
result.rows_as_dict(False)
row = result.get_next()
assert row == ["Cole", 20]