285 lines
8.4 KiB
Go
285 lines
8.4 KiB
Go
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package structs
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import (
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"fmt"
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"strings"
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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 TestPeriodicConfig_DSTChange_Transitions(t *testing.T) {
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locName := "America/Los_Angeles"
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loc, err := time.LoadLocation(locName)
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require.NoError(t, err)
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cases := []struct {
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name string
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pattern string
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initTime time.Time
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expected []time.Time
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}{
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{
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"normal time",
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"0 2 * * * 2019",
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time.Date(2019, time.February, 7, 1, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.February, 7, 2, 0, 0, 0, loc),
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time.Date(2019, time.February, 8, 2, 0, 0, 0, loc),
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time.Date(2019, time.February, 9, 2, 0, 0, 0, loc),
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},
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},
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{
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"Spring forward but not in switch time",
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"0 4 * * * 2019",
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time.Date(2019, time.March, 9, 1, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.March, 9, 4, 0, 0, 0, loc),
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time.Date(2019, time.March, 10, 4, 0, 0, 0, loc),
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time.Date(2019, time.March, 11, 4, 0, 0, 0, loc),
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},
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},
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{
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"Spring forward at a skipped time odd",
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"2 2 * * * 2019",
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time.Date(2019, time.March, 9, 1, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.March, 9, 2, 2, 0, 0, loc),
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// no time in March 10!
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time.Date(2019, time.March, 11, 2, 2, 0, 0, loc),
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time.Date(2019, time.March, 12, 2, 2, 0, 0, loc),
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},
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},
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{
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"Spring forward at a skipped time",
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"1 2 * * * 2019",
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time.Date(2019, time.March, 9, 1, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.March, 9, 2, 1, 0, 0, loc),
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// no time in March 8!
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time.Date(2019, time.March, 11, 2, 1, 0, 0, loc),
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time.Date(2019, time.March, 12, 2, 1, 0, 0, loc),
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},
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},
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{
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"Spring forward at a skipped time boundary",
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"0 2 * * * 2019",
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time.Date(2019, time.March, 9, 1, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.March, 9, 2, 0, 0, 0, loc),
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// no time in March 8!
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time.Date(2019, time.March, 11, 2, 0, 0, 0, loc),
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time.Date(2019, time.March, 12, 2, 0, 0, 0, loc),
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},
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},
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{
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"Spring forward at a boundary of repeating time",
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"0 1 * * * 2019",
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time.Date(2019, time.March, 9, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.March, 9, 1, 0, 0, 0, loc),
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time.Date(2019, time.March, 10, 0, 0, 0, 0, loc).Add(1 * time.Hour),
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time.Date(2019, time.March, 11, 1, 0, 0, 0, loc),
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time.Date(2019, time.March, 12, 1, 0, 0, 0, loc),
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},
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},
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{
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"Fall back: before transition",
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"30 0 * * * 2019",
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc),
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time.Date(2019, time.November, 4, 0, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 0, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 0, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: after transition",
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"30 3 * * * 2019",
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.November, 3, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 4, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 3, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: after transition starting in repeated span before",
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"30 3 * * * 2019",
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time.Date(2019, time.November, 3, 0, 10, 0, 0, loc).Add(1 * time.Hour),
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[]time.Time{
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time.Date(2019, time.November, 3, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 4, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 3, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: after transition starting in repeated span after",
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"30 3 * * * 2019",
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time.Date(2019, time.November, 3, 0, 10, 0, 0, loc).Add(2 * time.Hour),
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[]time.Time{
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time.Date(2019, time.November, 3, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 4, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 3, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 3, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: in repeated region",
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"30 1 * * * 2019",
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc).Add(1 * time.Hour),
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc).Add(2 * time.Hour),
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time.Date(2019, time.November, 4, 1, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 1, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 1, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: in repeated region boundary",
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"0 1 * * * 2019",
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc).Add(1 * time.Hour),
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc).Add(2 * time.Hour),
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time.Date(2019, time.November, 4, 1, 0, 0, 0, loc),
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time.Date(2019, time.November, 5, 1, 0, 0, 0, loc),
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time.Date(2019, time.November, 6, 1, 0, 0, 0, loc),
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},
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},
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{
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"Fall back: in repeated region boundary 2",
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"0 2 * * * 2019",
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc).Add(3 * time.Hour),
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time.Date(2019, time.November, 4, 2, 0, 0, 0, loc),
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time.Date(2019, time.November, 5, 2, 0, 0, 0, loc),
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time.Date(2019, time.November, 6, 2, 0, 0, 0, loc),
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},
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},
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{
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"Fall back: in repeated region, starting from within region",
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"30 1 * * * 2019",
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time.Date(2019, time.November, 3, 0, 40, 0, 0, loc).Add(1 * time.Hour),
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[]time.Time{
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc).Add(2 * time.Hour),
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time.Date(2019, time.November, 4, 1, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 1, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 1, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: in repeated region, starting from within region 2",
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"30 1 * * * 2019",
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time.Date(2019, time.November, 3, 0, 40, 0, 0, loc).Add(2 * time.Hour),
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[]time.Time{
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time.Date(2019, time.November, 4, 1, 30, 0, 0, loc),
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time.Date(2019, time.November, 5, 1, 30, 0, 0, loc),
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time.Date(2019, time.November, 6, 1, 30, 0, 0, loc),
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},
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},
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{
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"Fall back: wildcard",
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"30 * * * * 2019",
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time.Date(2019, time.November, 3, 0, 0, 0, 0, loc),
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[]time.Time{
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc),
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc).Add(1 * time.Hour),
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time.Date(2019, time.November, 3, 0, 30, 0, 0, loc).Add(2 * time.Hour),
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time.Date(2019, time.November, 3, 2, 30, 0, 0, loc),
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},
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},
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}
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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p := &PeriodicConfig{
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Enabled: true,
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SpecType: PeriodicSpecCron,
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Spec: c.pattern,
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TimeZone: locName,
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}
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p.Canonicalize()
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starting := c.initTime
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for _, next := range c.expected {
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n, err := p.Next(starting)
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assert.NoError(t, err)
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assert.Equalf(t, next, n, "next time of %v", starting)
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starting = next
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}
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})
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}
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}
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func TestPeriodConfig_DSTSprintForward_Property(t *testing.T) {
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locName := "America/Los_Angeles"
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loc, err := time.LoadLocation(locName)
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require.NoError(t, err)
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cronExprs := []string{
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"* * * * *",
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"0 2 * * *",
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"* 1 * * *",
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}
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times := []time.Time{
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// spring forward
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time.Date(2019, time.March, 11, 0, 0, 0, 0, loc),
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time.Date(2019, time.March, 10, 0, 0, 0, 0, loc),
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time.Date(2019, time.March, 11, 0, 0, 0, 0, loc),
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// leap backwards
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time.Date(2019, time.November, 4, 0, 0, 0, 0, loc),
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time.Date(2019, time.November, 5, 0, 0, 0, 0, loc),
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time.Date(2019, time.November, 6, 0, 0, 0, 0, loc),
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}
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testSpan := 4 * time.Hour
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testCase := func(t *testing.T, cronExpr string, init time.Time) {
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p := &PeriodicConfig{
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Enabled: true,
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SpecType: PeriodicSpecCron,
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Spec: cronExpr,
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TimeZone: "America/Los_Angeles",
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}
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p.Canonicalize()
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lastNext := init
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for start := init; start.Before(init.Add(testSpan)); start = start.Add(1 * time.Minute) {
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next, err := p.Next(start)
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require.NoError(t, err)
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require.Truef(t, next.After(start),
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"next(%v) = %v is not after init time", start, next)
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if start.Before(lastNext) {
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require.Equalf(t, lastNext, next, "next(%v) = %v is earlier than previously known next %v",
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start, next, lastNext)
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}
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if strings.HasPrefix(cronExpr, "* * ") {
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require.Equalf(t, next.Sub(start), 1*time.Minute,
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"next(%v) = %v is the next minute", start, next)
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}
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lastNext = next
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}
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}
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for _, cron := range cronExprs {
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for _, startTime := range times {
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t.Run(fmt.Sprintf("%v: %v", cron, startTime), func(t *testing.T) {
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testCase(t, cron, startTime)
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})
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}
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}
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}
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