nixpkgs/nixos/tests/postgresql/pgvecto-rs.nix
Martin Weinelt 223a6c6ed0
nixos/postgresql: rename extraPlugins to extensions
This is the upstream lingo, and it makes everything slightly less
confusing.
2024-11-16 14:46:16 +01:00

83 lines
2.3 KiB
Nix

{
pkgs,
makeTest,
}:
let
inherit (pkgs) lib;
# Test cases from https://docs.pgvecto.rs/use-cases/hybrid-search.html
test-sql = pkgs.writeText "postgresql-test" ''
CREATE EXTENSION vectors;
CREATE TABLE items (
id bigserial PRIMARY KEY,
content text NOT NULL,
embedding vectors.vector(3) NOT NULL -- 3 dimensions
);
INSERT INTO items (content, embedding) VALUES
('a fat cat sat on a mat and ate a fat rat', '[1, 2, 3]'),
('a fat dog sat on a mat and ate a fat rat', '[4, 5, 6]'),
('a thin cat sat on a mat and ate a thin rat', '[7, 8, 9]'),
('a thin dog sat on a mat and ate a thin rat', '[10, 11, 12]');
'';
makeTestFor =
package:
makeTest {
name = "pgvecto-rs-${package.name}";
meta = with lib.maintainers; {
maintainers = [ diogotcorreia ];
};
nodes.machine =
{ ... }:
{
services.postgresql = {
inherit package;
enable = true;
enableJIT = lib.hasInfix "-jit-" package.name;
extensions =
ps: with ps; [
pgvecto-rs
];
settings.shared_preload_libraries = "vectors";
};
};
testScript =
{ nodes, ... }:
let
inherit (nodes.machine.services.postgresql.package.pkgs) pgvecto-rs;
in
''
def check_count(statement, lines):
return 'test $(sudo -u postgres psql postgres -tAc "{}"|wc -l) -eq {}'.format(
statement, lines
)
machine.start()
machine.wait_for_unit("postgresql")
with subtest("Postgresql with extension vectors is available just after unit start"):
machine.succeed(check_count("SELECT * FROM pg_available_extensions WHERE name = 'vectors' AND default_version = '${pgvecto-rs.version}';", 1))
machine.succeed("sudo -u postgres psql -f ${test-sql}")
machine.succeed(check_count("SELECT content, embedding FROM items WHERE to_tsvector('english', content) @@ 'cat & rat'::tsquery;", 2))
machine.shutdown()
'';
};
in
lib.recurseIntoAttrs (
lib.concatMapAttrs (n: p: { ${n} = makeTestFor p; }) (
lib.filterAttrs (_: p: !p.pkgs.pgvecto-rs.meta.broken) pkgs.postgresqlVersions
)
// {
passthru.override = p: makeTestFor p;
}
)