52 lines
1.0 KiB
Go
52 lines
1.0 KiB
Go
package resource
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import (
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"regexp"
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"strings"
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"testing"
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)
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var allDigits = regexp.MustCompile(`^\d+$`)
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var allBase32 = regexp.MustCompile(`^[a-z234567]+$`)
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func TestUniqueId(t *testing.T) {
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iterations := 10000
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ids := make(map[string]struct{})
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var id, lastId string
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for i := 0; i < iterations; i++ {
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id = UniqueId()
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if _, ok := ids[id]; ok {
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t.Fatalf("Got duplicated id! %s", id)
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}
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if !strings.HasPrefix(id, "terraform-") {
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t.Fatalf("Unique ID didn't have terraform- prefix! %s", id)
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}
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rest := strings.TrimPrefix(id, "terraform-")
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if len(rest) != 26 {
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t.Fatalf("Post-prefix part has wrong length! %s", rest)
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}
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timestamp := rest[:23]
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random := rest[23:]
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if !allDigits.MatchString(timestamp) {
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t.Fatalf("Timestamp not all digits! %s", timestamp)
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}
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if !allBase32.MatchString(random) {
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t.Fatalf("Random part not all base32! %s", random)
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}
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if lastId != "" && lastId >= id {
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t.Fatalf("IDs not ordered! %s vs %s", lastId, id)
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}
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ids[id] = struct{}{}
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lastId = id
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}
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}
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