;;; sqlite-tests.el --- Tests for sqlite.el  -*- lexical-binding: t; -*-

;; Copyright (C) 2024 Free Software Foundation, Inc.

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;;; Commentary:

;;; Code:
(require 'sqlite)

(ert-deftest with-sqlite-transaction ()
  (skip-unless (sqlite-available-p))
  (let ((db (sqlite-open)))
    (sqlite-execute db "create table test (a)")
    (should
     (eql 42 (with-sqlite-transaction db
               (sqlite-execute db "insert into test values (1)")
               (should (equal '((1)) (sqlite-select db "select * from test")))
               42)))
    ;; Body runs exactly once.
    (should (equal '((1)) (sqlite-select db "select * from test")))))

(ert-deftest with-sqlite-transaction/rollback ()
  (skip-unless (sqlite-available-p))
  (let ((db (sqlite-open)))
    (sqlite-execute db "create table test (a)")
    (should (equal '(sqlite-error
                     ("SQL logic error" "no such function: fake" 1 1))
                   (should-error
                    (with-sqlite-transaction db
                      (sqlite-execute db "insert into test values (1)")
                      (sqlite-execute db "insert into test values (fake(2))")
                      42))))
    ;; First insertion (a=1) rolled back.
    (should-not (sqlite-select db "select * from test"))))

;;; sqlite-tests.el ends here