| // Copyright 2017 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package uid |
| |
| import ( |
| "fmt" |
| "testing" |
| "time" |
| ) |
| |
| func TestNew(t *testing.T) { |
| tm := time.Date(2017, 1, 6, 0, 0, 0, 21, time.UTC) |
| s := NewSpace("prefix", &Options{Time: tm}) |
| got := s.New() |
| want := "prefix-20170106-21-0001" |
| if got != want { |
| t.Errorf("got %q, want %q", got, want) |
| } |
| |
| s2 := NewSpace("prefix2", &Options{Sep: '_', Time: tm}) |
| got = s2.New() |
| want = "prefix2_20170106_21_0001" |
| if got != want { |
| t.Errorf("got %q, want %q", got, want) |
| } |
| } |
| |
| func TestTimestamp(t *testing.T) { |
| s := NewSpace("unique-ID", nil) |
| startTime := s.Time |
| uid := s.New() |
| got, ok := s.Timestamp(uid) |
| if !ok { |
| t.Fatal("got ok = false, want true") |
| } |
| if !startTime.Equal(got) { |
| t.Errorf("got %s, want %s", got, startTime) |
| } |
| |
| got, ok = s.Timestamp("unique-ID-20160308-123-8") |
| if !ok { |
| t.Fatal("got false, want true") |
| } |
| if want := time.Date(2016, 3, 8, 0, 0, 0, 123, time.UTC); !want.Equal(got) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| if _, ok = s.Timestamp("invalid-time-1234"); ok { |
| t.Error("got true, want false") |
| } |
| } |
| |
| func TestOlder(t *testing.T) { |
| s := NewSpace("uid", nil) |
| // A non-matching ID returns false. |
| id2 := NewSpace("different-prefix", nil).New() |
| if got, want := s.Older(id2, time.Second), false; got != want { |
| t.Errorf("got %t, want %t", got, want) |
| } |
| } |
| |
| func TestShorter(t *testing.T) { |
| now := time.Now() |
| shortSpace := NewSpace("uid", &Options{Short: true, Time: now}) |
| shortUID := shortSpace.New() |
| |
| want := fmt.Sprintf("uid-%d-01", now.UnixNano()) |
| if shortUID != want { |
| t.Fatalf("expected %s, got %s", want, shortUID) |
| } |
| |
| if got, ok := shortSpace.Timestamp(shortUID); !ok { |
| t.Fatal("expected to be able to parse timestamp from short space, but was unable to") |
| } else if got.UnixNano() != now.UnixNano() { |
| t.Fatalf("expected to get %v, got %v", now, got) |
| } |
| } |