Ilia Denisov
68 lines
1.8 KiB
Go
68 lines
1.8 KiB
Go
package schedule
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestParseRejectsBadExpr(t *testing.T) {
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_, err := Parse("")
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assert.Error(t, err)
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_, err = Parse("0 0 31 2 *") // valid syntactically but never fires; cronutil accepts it
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// cronutil only validates syntax; an impossible date is still parsed.
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// We assert by separately rejecting clearly invalid syntax:
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_, err = Parse("not-a-cron")
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assert.Error(t, err)
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_, err = Parse("0 18 * *") // four fields
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assert.Error(t, err)
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_, err = Parse("0 0 * * * *") // six fields
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assert.Error(t, err)
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}
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func TestNextNoSkip(t *testing.T) {
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// Fires every day at 18:00 UTC.
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sched, err := Parse("0 18 * * *")
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require.NoError(t, err)
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after := time.Date(2026, 4, 27, 12, 0, 0, 0, time.UTC)
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got, skipped := sched.Next(after, false)
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assert.False(t, skipped)
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assert.Equal(t, time.Date(2026, 4, 27, 18, 0, 0, 0, time.UTC), got)
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assert.Equal(t, time.UTC, got.Location())
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}
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func TestNextWithSkipAdvancesOneStep(t *testing.T) {
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sched, err := Parse("0 18 * * *")
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require.NoError(t, err)
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after := time.Date(2026, 4, 27, 12, 0, 0, 0, time.UTC)
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got, skipped := sched.Next(after, true)
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assert.True(t, skipped)
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// First slot would be 2026-04-27 18:00 UTC; the skip rule advances
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// to 2026-04-28 18:00 UTC.
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assert.Equal(t, time.Date(2026, 4, 28, 18, 0, 0, 0, time.UTC), got)
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}
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func TestNextNormalisesNonUTCInput(t *testing.T) {
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sched, err := Parse("*/15 * * * *")
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require.NoError(t, err)
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moscow := time.FixedZone("MSK", 3*60*60)
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// 2026-04-27 15:30 MSK = 2026-04-27 12:30 UTC; next 15-minute slot
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// in UTC is 12:45.
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after := time.Date(2026, 4, 27, 15, 30, 0, 0, moscow)
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got, skipped := sched.Next(after, false)
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assert.False(t, skipped)
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assert.Equal(t, time.Date(2026, 4, 27, 12, 45, 0, 0, time.UTC), got)
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assert.Equal(t, time.UTC, got.Location())
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}
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