118 lines
2.4 KiB
Go
118 lines
2.4 KiB
Go
package nomad
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import (
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"reflect"
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"testing"
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"time"
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)
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func TestTimeTable(t *testing.T) {
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tt := NewTimeTable(time.Second, time.Minute)
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index := tt.NearestIndex(time.Now())
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if index != 0 {
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t.Fatalf("bad: %v", index)
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}
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when := tt.NearestTime(1000)
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if !when.IsZero() {
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t.Fatalf("bad: %v", when)
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}
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// Witness some data
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start := time.Now()
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plusOne := start.Add(time.Minute)
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plusTwo := start.Add(2 * time.Minute)
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plusFive := start.Add(5 * time.Minute)
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plusThirty := start.Add(30 * time.Minute)
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plusHour := start.Add(60 * time.Minute)
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plusHourHalf := start.Add(90 * time.Minute)
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tt.Witness(2, start)
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tt.Witness(2, start)
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tt.Witness(10, plusOne)
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tt.Witness(10, plusOne)
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tt.Witness(20, plusTwo)
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tt.Witness(20, plusTwo)
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tt.Witness(30, plusFive)
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tt.Witness(30, plusFive)
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tt.Witness(40, plusThirty)
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tt.Witness(40, plusThirty)
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tt.Witness(50, plusHour)
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tt.Witness(50, plusHour)
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type tcase struct {
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when time.Time
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expectIndex uint64
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index uint64
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expectWhen time.Time
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}
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cases := []tcase{
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// Exact match
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{start, 2, 2, start},
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{plusOne, 10, 10, plusOne},
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{plusHour, 50, 50, plusHour},
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// Before the newest entry
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{plusHourHalf, 50, 51, plusHour},
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// After the oldest entry
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{time.Time{}, 0, 1, time.Time{}},
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// Mid range
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{start.Add(3 * time.Minute), 20, 25, plusTwo},
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}
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for _, tc := range cases {
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index := tt.NearestIndex(tc.when)
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if index != tc.expectIndex {
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t.Fatalf("bad: %v %v", index, tc.expectIndex)
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}
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when := tt.NearestTime(tc.index)
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if when != tc.expectWhen {
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t.Fatalf("bad: for %d %v %v", tc.index, when, tc.expectWhen)
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}
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}
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}
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func TestTimeTable_SerializeDeserialize(t *testing.T) {
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tt := NewTimeTable(time.Second, time.Minute)
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// Witness some data
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start := time.Now()
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plusOne := start.Add(time.Minute)
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plusTwo := start.Add(2 * time.Minute)
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plusFive := start.Add(5 * time.Minute)
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plusThirty := start.Add(30 * time.Minute)
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plusHour := start.Add(60 * time.Minute)
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tt.Witness(2, start)
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tt.Witness(10, plusOne)
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tt.Witness(20, plusTwo)
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tt.Witness(30, plusFive)
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tt.Witness(40, plusThirty)
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tt.Witness(50, plusHour)
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buf, err := tt.Serialize()
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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tt2 := NewTimeTable(time.Second, time.Minute)
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err = tt2.Deserialize(buf)
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if err != nil {
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t.Fatalf("err: %v", err)
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}
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if !reflect.DeepEqual(tt.table, tt2.table) {
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t.Fatalf("bad: %#v %#v", tt, tt2)
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}
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}
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