|
| 1 | +from __future__ import annotations |
| 2 | + |
| 3 | +import re |
| 4 | + |
| 5 | +import pytest |
| 6 | +from type_aliases import ConnDB |
| 7 | + |
| 8 | + |
| 9 | +def test_bytes_param(conn_db_empty: ConnDB) -> None: |
| 10 | + conn, _ = conn_db_empty |
| 11 | + conn.execute("CREATE NODE TABLE tab(id SERIAL PRIMARY KEY, data BLOB)") |
| 12 | + |
| 13 | + data_0 = b"\x00\x01\x02\x03\xff" |
| 14 | + data_1 = b"testing" |
| 15 | + data_2 = b"A" * 4096 # max size: 4KB, see https://docs.kuzudb.com/cypher/data-types/#blob |
| 16 | + data_3 = b"" # empty |
| 17 | + data_4 = None # null |
| 18 | + data_5 = "Hello 🌍" # str |
| 19 | + |
| 20 | + cases = [ |
| 21 | + data_0, |
| 22 | + data_1, |
| 23 | + data_2, |
| 24 | + data_3, |
| 25 | + data_4, |
| 26 | + data_5.encode("utf-8"), # to bytes |
| 27 | + ] |
| 28 | + for data in cases: |
| 29 | + conn.execute("CREATE (t:tab {data: $data})", {"data": data}) |
| 30 | + |
| 31 | + result = conn.execute("MATCH (t:tab) RETURN t.data ORDER BY t.id") |
| 32 | + assert result.get_next() == [data_0] |
| 33 | + assert result.get_next() == [data_1] |
| 34 | + assert result.get_next() == [data_2] |
| 35 | + assert result.get_next() == [data_3] |
| 36 | + assert result.get_next() == [data_4] |
| 37 | + assert result.get_next()[0].decode("utf-8") == data_5 |
| 38 | + result.close() |
| 39 | + |
| 40 | + |
| 41 | +def test_bytes_param_backwards_compatibility(conn_db_empty: ConnDB) -> None: |
| 42 | + conn, _ = conn_db_empty |
| 43 | + conn.execute("CREATE NODE TABLE tab(id SERIAL PRIMARY KEY, data BLOB)") |
| 44 | + |
| 45 | + binary = b"backwards_compatibility" |
| 46 | + string = "".join(f"\\x{b:02x}" for b in binary) # to \xHH format |
| 47 | + |
| 48 | + assert isinstance(string, str) |
| 49 | + assert re.match(r"^(\\x[0-9a-f]{2})+$", string) |
| 50 | + |
| 51 | + conn.execute("CREATE (t:tab {data: BLOB($string)})", {"string": string}) |
| 52 | + |
| 53 | + result = conn.execute("MATCH (t:tab) RETURN t.data") |
| 54 | + assert result.get_next() == [binary] |
| 55 | + result.close() |
| 56 | + |
| 57 | + |
| 58 | +def test_bytes_param_where_clause(conn_db_empty: ConnDB) -> None: |
| 59 | + conn, _ = conn_db_empty |
| 60 | + conn.execute("CREATE NODE TABLE tab(id INT64 PRIMARY KEY, data BLOB)") |
| 61 | + |
| 62 | + data = b"where_clause" |
| 63 | + |
| 64 | + conn.execute("CREATE (t:tab {id: 0, data: $data})", {"data": b"some data"}) |
| 65 | + conn.execute("CREATE (t:tab {id: 1, data: $data})", {"data": data}) |
| 66 | + conn.execute("CREATE (t:tab {id: 2, data: $data})", {"data": b"some other data"}) |
| 67 | + |
| 68 | + result = conn.execute("MATCH (t:tab) WHERE t.data = $search RETURN t.id", {"search": data}) |
| 69 | + assert result.get_next() == [1] |
| 70 | + assert not result.has_next() |
| 71 | + result.close() |
| 72 | + |
| 73 | + |
| 74 | +def test_bytes_param_update(conn_db_empty: ConnDB) -> None: |
| 75 | + conn, _ = conn_db_empty |
| 76 | + conn.execute("CREATE NODE TABLE tab(id SERIAL PRIMARY KEY, data BLOB)") |
| 77 | + |
| 78 | + initial = b"initial" |
| 79 | + updated = b"updated" |
| 80 | + |
| 81 | + conn.execute("CREATE (t:tab {data: $data})", {"data": initial}) |
| 82 | + conn.execute("MATCH (t:tab) SET t.data = $new_data", {"new_data": updated}) |
| 83 | + |
| 84 | + result = conn.execute("MATCH (t:tab) RETURN t.data") |
| 85 | + assert result.get_next() == [updated] |
| 86 | + result.close() |
| 87 | + |
| 88 | + |
| 89 | +def test_bytes_param_mixed_types(conn_db_empty: ConnDB) -> None: |
| 90 | + conn, _ = conn_db_empty |
| 91 | + conn.execute("CREATE NODE TABLE tab(id SERIAL PRIMARY KEY, data BLOB, name STRING, value DOUBLE)") |
| 92 | + |
| 93 | + data = b"data" |
| 94 | + name = "name" |
| 95 | + value = 3.14 |
| 96 | + |
| 97 | + params = {"data": data, "name": name, "value": value} |
| 98 | + conn.execute("CREATE (t:tab {data: $data, name: $name, value: $value})", params) |
| 99 | + |
| 100 | + result = conn.execute("MATCH (t:tab) RETURN t.data, t.name, t.value") |
| 101 | + assert result.get_next() == [data, name, value] |
| 102 | + result.close() |
| 103 | + |
| 104 | + |
| 105 | +def test_bytes_param_relationship(conn_db_empty: ConnDB) -> None: |
| 106 | + conn, _ = conn_db_empty |
| 107 | + conn.execute("CREATE NODE TABLE person(name STRING PRIMARY KEY)") |
| 108 | + conn.execute("CREATE REL TABLE rel(FROM person TO person, data BLOB)") |
| 109 | + |
| 110 | + conn.execute("CREATE (p:person {name: 'Alice'})") |
| 111 | + conn.execute("CREATE (p:person {name: 'Bob'})") |
| 112 | + |
| 113 | + data = b"relationship" |
| 114 | + |
| 115 | + conn.execute( |
| 116 | + """ |
| 117 | + MATCH (p1:person {name: 'Alice'}), (p2:person {name: 'Bob'}) |
| 118 | + CREATE (p1)-[r:rel {data: $data}]->(p2) |
| 119 | + """, |
| 120 | + {"data": data}, |
| 121 | + ) |
| 122 | + |
| 123 | + result = conn.execute("MATCH ()-[r:rel]->() RETURN r.data") |
| 124 | + assert result.get_next() == [data] |
| 125 | + result.close() |
| 126 | + |
| 127 | + |
| 128 | +def test_bytes_param_invalid_types(conn_db_empty: ConnDB) -> None: |
| 129 | + conn, _ = conn_db_empty |
| 130 | + conn.execute("CREATE NODE TABLE tab(id SERIAL PRIMARY KEY, data BLOB)") |
| 131 | + |
| 132 | + cases = [ |
| 133 | + ("test", "STRING"), |
| 134 | + ("", "STRING"), |
| 135 | + (1, "INT8"), |
| 136 | + (256, "INT16"), |
| 137 | + ([1, 2], "INT8[]"), |
| 138 | + (True, "BOOL"), |
| 139 | + ] |
| 140 | + |
| 141 | + for data, real in cases: |
| 142 | + msg = f"Binder exception: Expression $data has data type {real} but expected BLOB. Implicit cast is not supported." |
| 143 | + with pytest.raises(RuntimeError, match=re.escape(msg)): |
| 144 | + conn.execute("CREATE (t:tab {data: $data})", {"data": data}) |
| 145 | + |
| 146 | + |
| 147 | +def test_bytes_param_udf(conn_db_empty: ConnDB) -> None: |
| 148 | + conn, _ = conn_db_empty |
| 149 | + |
| 150 | + def reverse_bytes(data: bytes) -> bytes: |
| 151 | + return data[::-1] |
| 152 | + |
| 153 | + conn.create_function("reverse_bytes", reverse_bytes, ["BLOB"], "BLOB") |
| 154 | + |
| 155 | + data = b"hello" |
| 156 | + expected = b"olleh" |
| 157 | + |
| 158 | + result = conn.execute("RETURN reverse_bytes($data)", {"data": data}) |
| 159 | + assert result.get_next() == [expected] |
| 160 | + |
| 161 | + result = conn.execute("RETURN reverse_bytes(NULL)") |
| 162 | + assert result.get_next() == [None] |
| 163 | + |
| 164 | + result.close() |
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