tests: Add "tests/vixie-time.scm"

* tests/vixie-time.scm: New test.
* Makefile.am (TESTS): Add it.

tests/vixie-time.scm

@@ -0,0 +1,118 @@
+;;;; vixie-time.scm -- tests for (mcron vixie-time) module
+;;; Copyright © 2018 Mathieu Lirzin <mthl@gnu.org>
+;;;
+;;; This file is part of GNU Mcron.
+;;;
+;;; GNU Mcron is free software: you can redistribute it and/or modify
+;;; it under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation, either version 3 of the License, or
+;;; (at your option) any later version.
+;;;
+;;; GNU Mcron is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Mcron.  If not, see <http://www.gnu.org/licenses/>.
+
+(use-modules (srfi srfi-1)
+             (srfi srfi-64)
+             (mcron vixie-time))
+
+(setenv "TZ" "UTC0")
+
+(test-begin "vixie-time")
+
+(define (times-equal spec times proc)
+  (test-equal spec
+    (cdr times)
+    (fold-right (λ (val acc)
+                  (cons (proc val) acc))
+                '()
+                (drop-right times 1))))
+
+(times-equal
+ "every minute"
+ '(0 60 120 180 240 300 360 420)
+ (parse-vixie-time "* * * * *"))
+
+(times-equal
+ "every hour"
+ (list 0
+       3600
+       (* 2 3600)
+       (* 3 3600)
+       (* 4 3600)
+       (* 5 3600)
+       (* 6 3600)
+       (* 7 3600))
+ (parse-vixie-time "0 * * * *"))
+
+(times-equal
+ "every day"
+ (list 0
+       (* 24 3600)
+       (* 2 24 3600)
+       (* 3 24 3600)
+       (* 4 24 3600)
+       (* 5 24 3600)
+       (* 6 24 3600)
+       (* 7 24 3600))
+ (parse-vixie-time "0 0 * * *"))
+
+(times-equal
+ "every month"
+ (list 0
+       (* 31 86400)                        ;jan
+       (* (+ 31 28) 86400)                 ;fev
+       (* (+ 31 28 31) 86400)              ;mar
+       (* (+ 31 28 31 30) 86400)           ;avr
+       (* (+ 31 28 31 30 31) 86400)        ;may
+       (* (+ 31 28 31 30 31 30) 86400)     ;jun
+       (* (+ 31 28 31 30 31 30 31) 86400)) ;july
+ (parse-vixie-time "0 0 1 * *"))
+
+(times-equal
+ "every year"
+ (list 0
+       (* 365 86400)                      ;1971
+       (* 2 365 86400)                    ;1972 (leap)
+       (* (+ (* 2 365) 366) 86400)        ;1973
+       (* (+ (* 3 365) 366) 86400)        ;1974
+       (* (+ (* 4 365) 366) 86400)        ;1975
+       (* (+ (* 5 365) 366) 86400)        ;1976 (leap)
+       (* (+ (* 5 365) (* 2 366)) 86400)) ;1977
+ (parse-vixie-time "0 0 1 0 *"))
+
+(times-equal
+ "30 4 1,15 * 5"
+ (list 0
+       (+ (* 4 3600) 1800)
+       (+ (* 28 3600) 1800)
+       (+ (* 8 86400) (* 4 3600) 1800)
+       (+ (* 13 86400) (* 28 3600) 1800)
+       (+ (* 15 86400) (* 4 3600) 1800)
+       (+ (* 532 3600) 1800))
+ (parse-vixie-time "30 4 1,15 * 5"))
+
+;;;
+;;; Errors
+;;;
+
+;; FIXME: infinite loop
+;; (test-error "month 0" #t
+;;   (let ((p (parse-vixie-time "0 0 0 * *")))
+;;     (p 1234)))
+
+(test-error
+ "not enough fields"
+ 'mcron-error
+ (parse-vixie-time "1 2 3 4"))
+
+(test-error
+ "too many fields"
+ 'mcron-error
+ (parse-vixie-time "1 2 3 4 5 6"))
+
+(test-end)