-- 0.9.0: phasevec.search() asks the watch's reader through the database. Without a reader it fails with
-- its cause (never an empty answer); a name that could escape the socket directory is refused.
\set VERBOSITY terse
CREATE EXTENSION pg_phasevec;
SELECT extversion FROM pg_extension WHERE extname = 'pg_phasevec';
 extversion 
------------
 0.16.0
(1 row)

SELECT phasevec.reader_register('r256', repeat('a', 64), 256) > 0 AS r256;
 r256 
------
 t
(1 row)

CREATE TABLE docs (id int PRIMARY KEY, body text);
INSERT INTO docs VALUES (1, 'uno');
SELECT phasevec.watch('docs', 'docs'::regclass, 'id', 'r.body', 'r256') > 0 AS watch;
 watch 
-------
 t
(1 row)

SET phasevec.socket_dir = '/nonexistent/phasevec';
SELECT * FROM phasevec.search('docs', 'una pregunta');
ERROR:  phasevec: the reader of watch "docs" is not reachable at /nonexistent/phasevec/docs.sock: No such file or directory
SELECT * FROM phasevec.search('docs', '   ');
ERROR:  phasevec: the question is empty
SELECT phasevec._ask('../etc', '{}');
ERROR:  phasevec: "../etc" is not a watch name a socket can carry
SELECT phasevec._ask('docs', E'{}\n{}');
ERROR:  phasevec: a request is one JSON line
DROP TABLE docs;
DROP EXTENSION pg_phasevec;