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schedule_test.go
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schedule_test.go
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package crong
import (
"fmt"
"math/rand"
"slices"
"testing"
"time"
)
type testCase struct {
name string
cron string
expectMinutes []int
expectHours []int
expectDays []int
expectMonths []int
expectWeekdays []int
givenTime time.Time
nextTime time.Time
prevTime time.Time
includeTimes []time.Time
excludeTimes []time.Time
}
func TestCronSchedule(t *testing.T) {
testCases := []testCase{
{
name: "every minute",
cron: "* * * * *",
expectMinutes: minuteOpts.Allowed,
expectHours: hourOpts.Allowed,
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 12, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 10, 31, 12, 31, 0, 0, time.UTC,
),
prevTime: time.Date(
2024, 10, 31, 12, 29, 0, 0, time.UTC,
),
},
{
name: "every 2nd minute from 0 through 30",
cron: "0-30/2 * * * *",
expectMinutes: []int{
0,
2,
4,
6,
8,
10,
12,
14,
16,
18,
20,
22,
24,
26,
28,
30,
},
expectHours: hourOpts.Allowed,
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 12, 23, 0, 0, time.UTC,
),
prevTime: time.Date(
2024, 10, 31, 12, 22, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 10, 31, 12, 24, 0, 0, time.UTC,
),
},
{
name: "minutes 15 and 16, and every 2nd minute from 0 through 10",
cron: "0-10/2,15,16 * * * *",
expectMinutes: []int{
0,
2,
4,
6,
8,
10,
15,
16,
},
expectHours: hourOpts.Allowed,
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 12, 20, 0, 0, time.UTC,
),
prevTime: time.Date(
2024, 10, 31, 12, 16, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 10, 31, 13, 0, 0, 0, time.UTC,
),
excludeTimes: []time.Time{
time.Date(
2024, 10, 31, 12, 12, 0, 0, time.UTC,
),
},
},
{
name: "daily at 00:00",
cron: Daily,
expectMinutes: []int{
0,
},
expectHours: []int{0},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 12, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 11, 1, 0, 0, 0, 0, time.UTC,
),
},
{
name: "monthly",
cron: Monthly,
expectMinutes: []int{
0,
},
expectHours: []int{0},
expectDays: []int{1},
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2023, 11, 14, 12, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2023, 12, 1, 0, 0, 0, 0, time.UTC,
),
},
{
name: "yearly",
cron: Yearly,
expectMinutes: []int{0},
expectHours: []int{0},
expectDays: []int{1},
expectMonths: []int{januaryInd},
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2023, 10, 31, 12, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 1, 1, 0, 0, 0, 0, time.UTC,
),
},
{
name: "hourly",
cron: Hourly,
expectMinutes: []int{0},
expectHours: hourOpts.Allowed,
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 14, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 10, 31, 15, 0, 0, 0, time.UTC,
),
},
{
name: "monday-friday",
cron: "0 0 * * 1-5",
expectMinutes: []int{0},
expectHours: []int{0},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{
mondayInd,
tuesdayInd,
wednesdayInd,
thursdayInd,
fridayInd,
},
givenTime: time.Date(
2024, 2, 24, 14, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 26, 0, 0, 0, 0, time.UTC,
),
},
{
name: "at minute 30",
cron: "30 * * * *",
expectMinutes: []int{30},
expectHours: hourOpts.Allowed,
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 14, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 10, 31, 15, 30, 0, 0, time.UTC,
),
},
{
name: "every quarter",
cron: "0 0 1 */3 *",
expectMinutes: []int{0},
expectHours: []int{0},
expectDays: []int{1},
expectMonths: []int{januaryInd, aprilInd, julyInd, octoberInd},
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 2, 20, 14, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 4, 1, 0, 0, 0, 0, time.UTC,
),
},
{
name: "every even hour",
cron: "0 */2 * * *",
expectMinutes: []int{0},
expectHours: []int{0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 10, 31, 15, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 10, 31, 16, 0, 0, 0, time.UTC,
),
},
{
name: "every 15th minute past every hour from 9-16 on every day of week from monday-friday",
cron: "*/15 9-17 * * MON-FRI",
expectMinutes: []int{0, 15, 30, 45},
expectHours: []int{9, 10, 11, 12, 13, 14, 15, 16, 17},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{
mondayInd,
tuesdayInd,
wednesdayInd,
thursdayInd,
fridayInd,
},
givenTime: time.Date(
2024, 2, 23, 20, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 26, 9, 0, 0, 0, time.UTC,
),
},
{
name: "every 15th minute past every hour from 9-16 on every day of week from monday-friday",
cron: "*/15 9-17 * * MON-FRI",
expectMinutes: []int{0, 15, 30, 45},
expectHours: []int{9, 10, 11, 12, 13, 14, 15, 16, 17},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{
mondayInd,
tuesdayInd,
wednesdayInd,
thursdayInd,
fridayInd,
},
givenTime: time.Date(
2024, 2, 23, 10, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 23, 10, 45, 0, 0, time.UTC,
),
},
{
name: "leap year",
cron: "0 0 29 2 *",
expectMinutes: []int{0},
expectHours: []int{0},
expectDays: []int{29},
expectMonths: []int{februaryInd},
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2023, 2, 23, 10, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 29, 0, 0, 0, 0, time.UTC,
),
},
{
name: "minute 0 and 30 past hour 14 and 18 on sunday and friday",
cron: "0,30 14,18 * * 0,5",
expectMinutes: []int{0, 30},
expectHours: []int{14, 18},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{sundayInd, fridayInd},
givenTime: time.Date(
2024, 2, 20, 10, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 23, 14, 0, 0, 0, time.UTC,
),
},
{
name: "minute 0 and 30 past hour 14 and 18 on sunday and friday",
cron: "0,30 14,18 * * 0,5",
expectMinutes: []int{0, 30},
expectHours: []int{14, 18},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{sundayInd, fridayInd},
givenTime: time.Date(
2024, 2, 23, 14, 0, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 23, 14, 30, 0, 0, time.UTC,
),
},
{
name: "minute 0 and 30 past hour 14 and 18 on sunday and friday",
cron: "0,30 14,18 * * 0,5",
expectMinutes: []int{0, 30},
expectHours: []int{14, 18},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{sundayInd, fridayInd},
givenTime: time.Date(
2024, 2, 23, 18, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 25, 14, 0, 0, 0, time.UTC,
),
},
{
name: "last day of month",
cron: "* * L * *",
expectMinutes: minuteOpts.Allowed,
expectHours: hourOpts.Allowed,
expectDays: []int{},
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 2, 23, 18, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 29, 0, 0, 0, 0, time.UTC,
),
},
{
name: "every 2nd minute from min10-20, past every 2nd hour from 10-20, on every 2nd day of month through 20, in every 2nd month from Feb-Aug",
cron: "10-20/2 10-20/2 10-20/2 2-8/2 *",
expectMinutes: []int{10, 12, 14, 16, 18, 20},
expectHours: []int{10, 12, 14, 16, 18, 20},
expectDays: []int{10, 12, 14, 16, 18, 20},
expectMonths: []int{februaryInd, aprilInd, juneInd, augustInd},
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 5, 23, 18, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 6, 10, 10, 10, 0, 0, time.UTC,
),
},
{
name: "every min from 20-25 past every hour from 1-3 on " +
"every day of month from 5-8 and every day of week from mon-tues " +
"in every month from feb-apr",
cron: "20-25 1-3 5-8 2-4 1-2",
expectMinutes: []int{20, 21, 22, 23, 24, 25},
expectHours: []int{1, 2, 3},
expectDays: []int{5, 6, 7, 8},
expectMonths: []int{februaryInd, marchInd, aprilInd},
expectWeekdays: []int{mondayInd, tuesdayInd},
givenTime: time.Date(
2024, 2, 20, 18, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 3, 5, 1, 20, 0, 0, time.UTC,
),
includeTimes: []time.Time{
time.Date(
2024, 2, 5, 1, 20, 0, 0, time.UTC,
),
time.Date(
2024, 3, 5, 2, 24, 0, 0, time.UTC,
),
},
},
{
name: "at min 20 and 21 past hour 15 and 16 on months 10 and 11 in oct and nov",
cron: "20-25 15-16 5-8 10-11 1-2",
expectMinutes: []int{20, 21, 22, 23, 24, 25},
expectHours: []int{15, 16},
expectDays: []int{5, 6, 7, 8},
expectMonths: []int{octoberInd, novemberInd},
expectWeekdays: []int{mondayInd, tuesdayInd},
givenTime: time.Time{},
nextTime: time.Time{},
includeTimes: []time.Time{
time.Date(
2026, 10, 5, 15, 20, 0, 0, time.UTC,
),
time.Date(
2026, 10, 6, 15, 21, 0, 0, time.UTC,
),
time.Date(
2024, 11, 5, 16, 20, 0, 0, time.UTC,
),
},
},
{
name: "every 10th minute from 5 through 59 past hour 4 and 5",
cron: "5/10 4,5 * * *",
expectMinutes: []int{5, 15, 25, 35, 45, 55},
expectHours: []int{4, 5},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 2, 21, 11, 30, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 22, 4, 5, 0, 0, time.UTC,
),
includeTimes: []time.Time{
time.Date(
2024, 2, 22, 4, 15, 0, 0, time.UTC,
),
time.Date(
2024, 2, 22, 4, 25, 0, 0, time.UTC,
),
time.Date(
2024, 2, 22, 4, 35, 0, 0, time.UTC,
),
},
},
{
name: "every 10th minute from 3 through 30 past hour 18",
cron: "3-30/10 18 * * *",
expectMinutes: []int{3, 13, 23},
expectHours: []int{18},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 2, 21, 11, 15, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 21, 18, 3, 0, 0, time.UTC,
),
includeTimes: []time.Time{
time.Date(
2024, 2, 21, 18, 13, 0, 0, time.UTC,
),
time.Date(
2024, 2, 21, 18, 23, 0, 0, time.UTC,
),
time.Date(
2024, 2, 22, 18, 3, 0, 0, time.UTC,
),
},
},
{
name: "every 10th minute from 5-59 past every 5th hour " +
"from 4 through 23 on every 10th day-of-month from 5 through " +
"31 in every 3rd month from march through december",
cron: "5/10 4/5 5/10 3/3 *",
expectMinutes: []int{5, 15, 25, 35, 45, 55},
expectHours: []int{4, 9, 14, 19},
expectDays: []int{5, 15, 25},
expectMonths: []int{marchInd, juneInd, septemberInd, decemberInd},
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 2, 21, 11, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 3, 5, 4, 5, 0, 0, time.UTC,
),
includeTimes: []time.Time{
time.Date(
2024, 3, 5, 4, 15, 0, 0, time.UTC,
),
time.Date(
2024, 6, 15, 14, 45, 0, 0, time.UTC,
),
},
},
{
name: "12:30 on friday and saturday",
cron: "30 12 * * FRI,SAT",
expectMinutes: []int{30},
expectHours: []int{12},
expectDays: dayOpts.Allowed,
expectMonths: monthOpts.Allowed,
expectWeekdays: []int{fridayInd, saturdayInd},
givenTime: time.Date(
2024, 2, 21, 11, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 23, 12, 30, 0, 0, time.UTC,
),
includeTimes: []time.Time{
time.Date(
2024, 2, 24, 12, 30, 0, 0, time.UTC,
),
time.Date(
2024, 3, 1, 12, 30, 0, 0, time.UTC,
),
},
},
{
name: "12:30 on the last day of every month",
cron: "30 12 L * *",
expectMinutes: []int{30},
expectHours: []int{12},
expectDays: []int{},
expectMonths: monthOpts.Allowed,
expectWeekdays: weekdayOpts.Allowed,
givenTime: time.Date(
2024, 2, 21, 11, 35, 0, 0, time.UTC,
),
nextTime: time.Date(
2024, 2, 29, 12, 30, 0, 0, time.UTC,
),
includeTimes: []time.Time{
time.Date(
2024, 3, 31, 12, 30, 0, 0, time.UTC,
),
time.Date(
2024, 4, 30, 12, 30, 0, 0, time.UTC,
),
},
},
}
for _, tc := range testCases {
t.Run(
fmt.Sprintf("%s [%s]", tc.name, tc.cron), func(t *testing.T) {
t.Parallel()
slices.Sort(tc.expectMonths)
slices.Sort(tc.expectDays)
slices.Sort(tc.expectHours)
slices.Sort(tc.expectMinutes)
slices.Sort(tc.expectWeekdays)
s, err := New(tc.cron, nil)
if err != nil {
t.Fatalf("unexpected error with '%s': %s", tc.cron, err)
}
scheduleTest(t, tc, s)
checkTimes(t, tc, s)
},
)
}
}
func TestInvalidCron(t *testing.T) {
s, err := New("* * */42 * *", nil)
requireErr(
t,
err,
fmt.Sprintf("got schedule: %v", s),
fmt.Sprintf("minutes: %v", s.minutes),
fmt.Sprintf("hours: %v", s.hours),
fmt.Sprintf("days: %v", s.days),
fmt.Sprintf("months: %v", s.months),
fmt.Sprintf("weekdays: %v", s.weekdays),
)
}
func checkTimes(t *testing.T, tc testCase, s *Schedule) {
t.Helper()
var testCases []time.Time
for _, month := range tc.expectMonths {
// L is allowed as a day value, so if we just see
// L, the day slice should be empty, and we can
// temporarily replace it here
if s.Day() == string(Last) {
targetMonth := month + 1
nextMonth := time.Date(
2024,
time.Month(targetMonth),
1,
0,
0,
0,
0,
time.UTC,
)
lastOfMonth := nextMonth.Add(-time.Hour).Day()
tc.expectDays = []int{lastOfMonth}
}
for _, day := range tc.expectDays {
for _, hour := range tc.expectHours {
for _, minute := range tc.expectMinutes {
dt := time.Date(
2024,
time.Month(month),
day,
hour,
minute,
0,
0,
time.UTC,
)
// accounts for the day entry exceeding the
// number of days in the current month
if int(dt.Month()) != month {
break
}
for _, weekday := range tc.expectWeekdays {
if int(dt.Weekday()) == weekday {
testCases = append(testCases, dt)
break
}
}
}
}
}
}
if testCases == nil {
t.Errorf(
"expected permutations, got none for %s (%s)",
tc.name,
s.String(),
)
}
for i := 0; i < len(testCases); i++ {
if i+1 == len(testCases) {
break
}
currentSchedule := testCases[i]
nextSchedule := testCases[i+1]
if nextSchedule.Before(currentSchedule) {
t.Fatalf(
"index %d is before index %d: %s -> %s (surrounded by: index %d (%s) "+
"and index %d (%s) (months: %d days: %d hours: %d minutes: %d weekdays: %d))",
i+1,
i,
currentSchedule,
nextSchedule,
i-1,
testCases[i-1],
i+2,
testCases[i+2],
len(tc.expectMonths),
len(tc.expectDays),
len(tc.expectHours),
len(tc.expectMinutes),
len(tc.expectWeekdays),
)
}
n := s.Next(currentSchedule)
if !n.Equal(nextSchedule) {
t.Fatalf(
"cron: %s\nexpected on index %d/%d:\nfrom: %s\nto: %s\ngot: %s",
s.String(),
i,
len(testCases),
currentSchedule,
nextSchedule,
n,
)
}
}
}
func TestEmptyCron(t *testing.T) {
_, err := New("", nil)
if err == nil {
t.Fatalf("expected error")
}
}
func TestErrors(t *testing.T) {
type errorCase struct {
Name string
Cron string
}
testCases := []errorCase{
{Name: "too many fields", Cron: "0 0 1 1 1 1"},
{Name: "60 minutes", Cron: "60 * * * *"},
{Name: "25 hours", Cron: "* 25 * * *"},
{Name: "32 days", Cron: "* * 32 * *"},
{Name: "13 months", Cron: "* * * 13 *"},
{Name: "negative minute", Cron: "-1 * * * *"},
{Name: "negative hours", Cron: "* -1 * * *"},
{Name: "negative days", Cron: "* * -1 * *"},
{Name: "negative months", Cron: "* * * -1 *"},
{Name: "invalid minutes", Cron: "wat * * * *"},
{Name: "invalid hours", Cron: "* wat * * *"},
{Name: "invalid days", Cron: "* * wat * *"},
{Name: "invalid months", Cron: "* * * wat *"},
{Name: "invalid weekday", Cron: "* * * * wat"},
{Name: "invalid minute step", Cron: "*/wat * * * *"},
{Name: "invalid hour step", Cron: "* */ * * *"},
{Name: "invalid blank identifier", Cron: "* ? * * *"},
{Name: "invalid minute range", Cron: "5- * * * *"},
{Name: "invalid minute steps", Cron: "/5 * * * *"},
{Name: "invalid minute range", Cron: "*/-1 * * * *"},
{Name: "invalid minute post-range", Cron: "5/60 * * * *"},
{Name: "invalid minute pre-range", Cron: "60/5 * * * *"},
{Name: "empty cron", Cron: ""},
{Name: "blank cron", Cron: " "},
{Name: "minute range backwards", Cron: "30-20 * * * *"},
{Name: "minute range Start wildcard", Cron: "*-20 * * * *"},
{Name: "minute range Start invalid", Cron: "F-20 * * * *"},
{Name: "minute range end wildcard", Cron: "2-* * * * *"},
{Name: "empty minute end range", Cron: "2- * * * *"},
{Name: "empty minute Start range", Cron: "L-2 * * * *"},
{Name: "should not be every 4 hours", Cron: "*/240 * * * *"},
{Name: "zero step", Cron: "*/0 * * * *"},
}
for _, tc := range testCases {
t.Run(
fmt.Sprintf("%s (%s)", tc.Name, tc.Cron), func(t *testing.T) {
_, err := New(tc.Cron, nil)
if err == nil {
t.Fatalf("expected error for %s", tc.Cron)
}
},
)
}
}
func TestParse(t *testing.T) {
type parseCase struct {
Name string
Value string
}
testCases := []parseCase{
{
Name: "empty string",
Value: "",
},
{
Name: "bad range",
Value: "-2",
},
{
Name: "bad range",
Value: "1-UH",
},
{
Name: "L in range",
Value: "1-L",
},
{
Name: "bad mine",
Value: "28/27",
},
{
Name: "bad list",
Value: "1,2,32",
},
}
for _, tc := range testCases {
t.Run(
tc.Name, func(t *testing.T) {
indexes, err := dayOpts.parse(tc.Value)
if err == nil {
t.Fatalf("expected error (got days: %#v)", indexes)
}
},
)
}
}
func TestUntilNext(t *testing.T) {
s, err := New(Hourly, nil)
if err != nil {
t.Fatalf("unexpected error: %s", err)
}
dt := time.Date(2024, 2, 21, 11, 35, 0, 0, time.UTC)
next := s.UntilNext(dt)
if next != 25*time.Minute {
t.Fatalf("expected next time")
}
}
func scheduleTest(t *testing.T, tc testCase, s *Schedule) {
t.Helper()
// t.Parallel()
expectCron, ok := cronShortcut[tc.cron]
if !ok {
expectCron = tc.cron
}
assertEqual(t, s.String(), expectCron)
if s.allowAnyMinute {
assertEqual(t, len(s.minutes), 0)
} else if !slicesEqual(t, s.minutes, tc.expectMinutes) {
t.Errorf("(minutes) expected %v, got %v", tc.expectMinutes, s.minutes)
}
if slicesEqual(t, tc.expectHours, hourOpts.Allowed) {
assertEqual(t, len(s.hours), 0)
} else if !slicesEqual(t, s.hours, tc.expectHours) {
t.Errorf("(hours) expected %v, got %v", tc.expectHours, s.hours)
}
if s.allowAnyDay {
assertEqual(t, len(s.days), 0)
} else if !slicesEqual(t, s.days, tc.expectDays) {
t.Errorf("(days) expected %v, got %v", tc.expectDays, s.days)
}
if s.allowAnyMonth {
assertEqual(t, len(s.months), 0)
} else if !slicesEqual(t, s.months, tc.expectMonths) {
t.Errorf("(months) expected %v, got %v", tc.expectMonths, s.months)
}
if s.allowAnyWeekday {
assertEqual(t, len(s.weekdays), 0)
} else if !slicesEqual(t, s.weekdays, tc.expectWeekdays) {
t.Logf(
"compared (%v):\n%#v\n%#v\n%#v",
s.allowAnyWeekday,
s.weekdays,
tc.expectWeekdays,
weekdayOpts.Allowed,
)
t.Errorf(
"(weekdays) expected %v, got %v",
tc.expectWeekdays,
s.weekdays,
)
}
if !tc.givenTime.IsZero() && !tc.nextTime.IsZero() {
givenTime := tc.givenTime
nextTime := tc.nextTime
n := s.Next(givenTime)
// t.Logf("given: %s, next: %s expected: %s", givenTime, n, nextTime)
assertEqual(t, nextTime, n)
}
if !tc.prevTime.IsZero() {
prevTime := tc.prevTime
assertEqual(t, prevTime, s.Prev(tc.givenTime))
}
if tc.includeTimes != nil {
for _, givenTime := range tc.includeTimes {
matches := s.Matches(givenTime)
if !matches {
t.Errorf(
"expected %s to match %s",
givenTime,
tc.cron,
)
}
}
}
if tc.excludeTimes != nil {
for _, givenTime := range tc.excludeTimes {
if s.Matches(givenTime) {
t.Errorf(
"expected %s to match %s",
givenTime,
tc.cron,
)
}
}
}
}
func BenchmarkSchedule(b *testing.B) {
schedules := []string{}
for i := 0; i < b.N; i++ {
cronExpr, err := NewRandom(rand.New(rand.NewSource(int64(i))))
if err != nil {
b.Fatalf("unexpected error: %s", err)
}
schedules = append(schedules, cronExpr)
}
b.ResetTimer()
for i := 0; i < len(schedules); i++ {
cronExpr := schedules[i]
s, err := New(cronExpr, nil)
if err != nil {
b.Fatalf("unexpected error: %s", err)
}
next := s.Next(time.Now())
b.Logf("next time for (%s): %s", s, next)
}
}
func BenchmarkRandomSchedules(b *testing.B) {
schedules := []string{}
for i := 0; i < b.N; i++ {
cronExpr, err := NewRandom(rand.New(rand.NewSource(int64(i))))
if err != nil {
b.Fatalf("unexpected error: %s", err)
}
schedules = append(schedules, cronExpr)
}
b.ResetTimer()
for i := 0; i < len(schedules); i++ {
cronExpr := schedules[i]
s, err := New(cronExpr, nil)
if err != nil {
b.Fatalf("unexpected error: %s", err)
}
_ = s.Next(time.Now())
// b.Logf("next time for (%s): %s", s, next)
}
}
func BenchmarkScheduleNext(b *testing.B) {
// cronExpr, err := NewRandom(rand.New(rand.NewSource(int64(1))))
// if err != nil {
// b.Fatalf("unexpected error: %s", err)
// }
s, err := New(Hourly, nil)
if err != nil {
b.Fatalf("unexpected error: %s", err)
}
next := time.Now()
b.ResetTimer()
for i := 0; i < b.N; i++ {
next = s.Next(next)
}
}
func FuzzSchedule(f *testing.F) {
for i := range 500 {
f.Add(int64(i))
}
f.Fuzz(
func(t *testing.T, seed int64) {
rc, err := NewRandom(rand.New(rand.NewSource(seed)))
if err != nil {
t.Fatalf("failed on %d: %s", seed, err)
}
t.Logf("%d: %s", seed, rc)
schedule, scheduleErr := New(rc, nil)
if scheduleErr != nil {
t.Fatalf(
"unexpected error on %d (%s): %s",
seed,
rc,
scheduleErr,
)
}
next := schedule.Next(time.Now())
t.Logf("%d (%s) next: %s", seed, rc, next)
},
)
}
func TestParseRange(t *testing.T) {
type rangeCase struct {
Before string
After string
ExpectRange []int
ExpectError bool
}
cases := []rangeCase{
{
Before: "1",
After: "5",
ExpectRange: []int{1, 2, 3, 4, 5},
},
{
Before: "0",
After: "5",
ExpectError: true,
},
{