(load-relative "../ssql-postgresql")
(use ssql)
(import ssql-postgresql)
(use test postgresql foops)

(define *test-postgresql-translator* 
  (derive-object (*postgresql-translator* self super)
                 ((escape-string string)
                  (string-translate* string '(("'" . "''"))))))

(register-sql-engine! (lambda (x) (eq? x #t)) *test-postgresql-translator*)

(test-group "selects"
  (test "Simple query"
    "SELECT actors.firstname, actors.lastname FROM actors"
    (ssql->sql #t `(select (columns actors.firstname actors.lastname)
                     (from actors)))))

(test-group "dialect"
  (test "LIMIT and OFFSET"
    "SELECT * FROM integers LIMIT 10 OFFSET 100"
    (ssql->sql #t `(select (columns *) (from integers) (limit 10) (offset 100))))

  (test "random()"
    "SELECT * FROM widgets ORDER BY RANDOM()"
    (ssql->sql #t `(select (columns *) (from widgets) (order (random)))))

  (test "returning"
    "INSERT INTO widgets VALUES ('foo', 'bar') RETURNING id, name"
    (ssql->sql #t '(insert (into widgets) (values ("foo" "bar")) (returning id name))))

  (test "compose returning"
    '(insert (into widgets) (values (1 2 3)) (returning id))
    (ssql-compose #t '(insert (into widgets) (values (1 2 3))) '((returning id)))))

(test-exit)