54 lines
1.8 KiB
Go
54 lines
1.8 KiB
Go
package main
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import (
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"testing"
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"time"
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)
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func TestParseCron(t *testing.T) {
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for _, spec := range []string{"*/5 * * * *", "0 9 * * 1-5", "30 8 1,15 * *", "* * * * *", "0 */2 * * *", "0 8-18/2 * * 1-5"} {
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if _, err := parseCron(spec); err != nil {
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t.Errorf("parseCron(%q) 应当成功，却得到: %v", spec, err)
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}
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}
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for _, spec := range []string{"* * * *", "61 * * * *", "* * * * 8", "a * * * *", "* * * * * *"} {
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if _, err := parseCron(spec); err == nil {
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t.Errorf("parseCron(%q) 应当失败", spec)
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}
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}
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}
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func TestCronNext(t *testing.T) {
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// 每日 09:30：从当天 10:00 出发应得到次日 09:30
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spec, _ := parseCron("30 9 * * *")
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next := cronNext(spec, time.Date(2026, 9, 8, 10, 0, 0, 0, time.Local))
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want := time.Date(2026, 9, 9, 9, 30, 0, 0, time.Local)
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if !next.Equal(want) {
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t.Fatalf("每日 09:30：期望 %v，得到 %v", want, next)
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}
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// 每 15 分钟
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spec2, _ := parseCron("*/15 * * * *")
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next2 := cronNext(spec2, time.Date(2026, 9, 8, 10, 7, 0, 0, time.Local))
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want2 := time.Date(2026, 9, 8, 10, 15, 0, 0, time.Local)
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if !next2.Equal(want2) {
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t.Fatalf("*/15：期望 %v，得到 %v", want2, next2)
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}
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// 仅周五 12:00：2026-09-08 是周二，应得到 2026-09-11（周五）
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spec3, _ := parseCron("0 12 * * 5")
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next3 := cronNext(spec3, time.Date(2026, 9, 8, 12, 0, 0, 0, time.Local))
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want3 := time.Date(2026, 9, 11, 12, 0, 0, 0, time.Local)
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if !next3.Equal(want3) {
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t.Fatalf("仅周五：期望 %v，得到 %v", want3, next3)
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}
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// 7 表示周日：2026-09-13 是周日
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spec4, _ := parseCron("0 0 * * 7")
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next4 := cronNext(spec4, time.Date(2026, 9, 12, 0, 0, 0, 0, time.Local)) // 周六
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want4 := time.Date(2026, 9, 13, 0, 0, 0, 0, time.Local)
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if !next4.Equal(want4) {
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t.Fatalf("7=周日：期望 %v，得到 %v", want4, next4)
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}
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}
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