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import pytest
import psycopg
from psycopg import pq
from psycopg.adapt import PyFormat, Transformer
from psycopg._queries import PostgresQuery, _split_query
@pytest.mark.parametrize(
"input, want",
[
(b"", [(b"", 0, PyFormat.AUTO)]),
(b"foo bar", [(b"foo bar", 0, PyFormat.AUTO)]),
(b"foo %% bar", [(b"foo % bar", 0, PyFormat.AUTO)]),
(b"%s", [(b"", 0, PyFormat.AUTO), (b"", 0, PyFormat.AUTO)]),
(b"%s foo", [(b"", 0, PyFormat.AUTO), (b" foo", 0, PyFormat.AUTO)]),
(b"%b foo", [(b"", 0, PyFormat.BINARY), (b" foo", 0, PyFormat.AUTO)]),
(b"foo %s", [(b"foo ", 0, PyFormat.AUTO), (b"", 0, PyFormat.AUTO)]),
(
b"foo %%%s bar",
[(b"foo %", 0, PyFormat.AUTO), (b" bar", 0, PyFormat.AUTO)],
),
(
b"foo %(name)s bar",
[(b"foo ", "name", PyFormat.AUTO), (b" bar", 0, PyFormat.AUTO)],
),
(
b"foo %(name)s %(name)b bar",
[
(b"foo ", "name", PyFormat.AUTO),
(b" ", "name", PyFormat.BINARY),
(b" bar", 0, PyFormat.AUTO),
],
),
(
b"foo %s%b bar %s baz",
[
(b"foo ", 0, PyFormat.AUTO),
(b"", 1, PyFormat.BINARY),
(b" bar ", 2, PyFormat.AUTO),
(b" baz", 0, PyFormat.AUTO),
],
),
],
)
def test_split_query(input, want):
assert _split_query(input) == want
@pytest.mark.parametrize(
"input",
[
b"foo %d bar",
b"foo % bar",
b"foo %%% bar",
b"foo %(foo)d bar",
b"foo %(foo)s bar %s baz",
b"foo %(foo) bar",
b"foo %(foo bar",
b"3%2",
],
)
def test_split_query_bad(input):
with pytest.raises(psycopg.ProgrammingError):
_split_query(input)
@pytest.mark.parametrize(
"query, params, want, wformats, wparams",
[
(b"", None, b"", None, None),
(b"", [], b"", [], []),
(b"%%", [], b"%", [], []),
(b"select %t", (1,), b"select $1", [pq.Format.TEXT], [b"1"]),
(
b"%t %% %t",
(1, 2),
b"$1 % $2",
[pq.Format.TEXT, pq.Format.TEXT],
[b"1", b"2"],
),
(
b"%t %% %t",
("a", 2),
b"$1 % $2",
[pq.Format.TEXT, pq.Format.TEXT],
[b"a", b"2"],
),
],
)
def test_pg_query_seq(query, params, want, wformats, wparams):
pq = PostgresQuery(Transformer())
pq.convert(query, params)
assert pq.query == want
assert pq.formats == wformats
assert pq.params == wparams
@pytest.mark.parametrize(
"query, params, want, wformats, wparams",
[
(b"", {}, b"", [], []),
(b"hello %%", {"a": 1}, b"hello %", [], []),
(
b"select %(hello)t",
{"hello": 1, "world": 2},
b"select $1",
[pq.Format.TEXT],
[b"1"],
),
(
b"select %(hi)s %(there)s %(hi)s",
{"hi": 0, "there": "a"},
b"select $1 $2 $1",
[pq.Format.BINARY, pq.Format.TEXT],
[b"\x00" * 2, b"a"],
),
],
)
def test_pg_query_map(query, params, want, wformats, wparams):
pq = PostgresQuery(Transformer())
pq.convert(query, params)
assert pq.query == want
assert pq.formats == wformats
assert pq.params == wparams
@pytest.mark.parametrize(
"query, params",
[
(b"select %s", {"a": 1}),
(b"select %(name)s", [1]),
(b"select %s", "a"),
(b"select %s", 1),
(b"select %s", b"a"),
(b"select %s", set()),
],
)
def test_pq_query_badtype(query, params):
pq = PostgresQuery(Transformer())
with pytest.raises(TypeError):
pq.convert(query, params)
@pytest.mark.parametrize(
"query, params",
[
(b"", [1]),
(b"%s", []),
(b"%%", [1]),
(b"$1", [1]),
(b"select %(", {"a": 1}),
(b"select %(a", {"a": 1}),
(b"select %(a)", {"a": 1}),
(b"select %s %(hi)s", [1]),
(b"select %(hi)s %(hi)b", {"hi": 1}),
],
)
def test_pq_query_badprog(query, params):
pq = PostgresQuery(Transformer())
with pytest.raises(psycopg.ProgrammingError):
pq.convert(query, params)
|
