58 lines
1015 B
Go
58 lines
1015 B
Go
package uuid
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import (
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"crypto/rand"
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"reflect"
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"regexp"
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"testing"
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)
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func TestGenerateUUID(t *testing.T) {
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prev, err := GenerateUUID()
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if err != nil {
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t.Fatal(err)
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}
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for i := 0; i < 100; i++ {
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id, err := GenerateUUID()
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if err != nil {
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t.Fatal(err)
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}
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if prev == id {
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t.Fatalf("Should get a new ID!")
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}
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matched, err := regexp.MatchString(
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"[\\da-f]{8}-[\\da-f]{4}-[\\da-f]{4}-[\\da-f]{4}-[\\da-f]{12}", id)
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if !matched || err != nil {
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t.Fatalf("expected match %s %v %s", id, matched, err)
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}
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}
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}
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func TestParseUUID(t *testing.T) {
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buf := make([]byte, 16)
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if _, err := rand.Read(buf); err != nil {
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t.Fatalf("failed to read random bytes: %v", err)
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}
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uuidStr, err := FormatUUID(buf)
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if err != nil {
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t.Fatal(err)
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}
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parsedStr, err := ParseUUID(uuidStr)
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if err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(parsedStr, buf) {
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t.Fatalf("mismatched buffers")
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}
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}
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func BenchmarkGenerateUUID(b *testing.B) {
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for n := 0; n < b.N; n++ {
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_, _ = GenerateUUID()
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}
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}
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