| // Copyright 2016 Google Inc. All Rights Reserved. |
| // |
| // 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. |
| |
| // This file supports generating unique IDs so that multiple test executions |
| // don't interfere with each other, and cleaning up old entities that may |
| // remain if tests exit early. |
| |
| package testing |
| |
| import ( |
| "reflect" |
| "testing" |
| "time" |
| ) |
| |
| func TestExtractTime(t *testing.T) { |
| uid := UniqueID("unique-ID") |
| got, ok := extractTime(uid, "unique-ID") |
| if !ok { |
| t.Fatal("got ok = false, want true") |
| } |
| if !startTime.Equal(got) { |
| t.Errorf("got %s, want %s", got, startTime) |
| } |
| |
| got, ok = extractTime("p-t0-doesnotmatter", "p") |
| if !ok { |
| t.Fatal("got false, want true") |
| } |
| if want := time.Unix(0, 0); !want.Equal(got) { |
| t.Errorf("got %s, want %s", got, want) |
| } |
| if _, ok = extractTime("invalid-time-1234", "invalid"); ok { |
| t.Error("got true, want false") |
| } |
| } |
| |
| func TestExpiredUniqueIDs(t *testing.T) { |
| const prefix = "uid" |
| // The freshly unique IDs will have startTime as their timestamp. |
| uids := []string{UniqueID(prefix), "uid-tinvalid-1234", UniqueID(prefix), "uid-t0-1111"} |
| |
| // This test hasn't been running for very long, so only the last ID is expired. |
| got := ExpiredUniqueIDs(uids, prefix) |
| want := []string{uids[3]} |
| if !reflect.DeepEqual(got, want) { |
| t.Errorf("got %v, want %v", got, want) |
| } |
| |
| time.Sleep(100 * time.Millisecond) |
| |
| prev := expiredAge |
| expiredAge = 10 * time.Millisecond |
| defer func() { expiredAge = prev }() |
| // This test has been running for at least 10ms, so all but the invalid ID have expired. |
| got = ExpiredUniqueIDs(uids, prefix) |
| want = []string{uids[0], uids[2], uids[3]} |
| if !reflect.DeepEqual(got, want) { |
| t.Errorf("got %v, want %v", got, want) |
| } |
| } |