mirror of https://github.com/minio/minio.git
128 lines
2.7 KiB
Go
128 lines
2.7 KiB
Go
// Copyright (c) 2015-2024 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package cachevalue
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import (
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"context"
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"errors"
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"testing"
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"time"
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)
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func slowCaller(ctx context.Context) error {
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sl := time.NewTimer(time.Second)
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defer sl.Stop()
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select {
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case <-sl.C:
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case <-ctx.Done():
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return ctx.Err()
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}
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return nil
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}
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func TestCacheCtx(t *testing.T) {
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cache := New[time.Time]()
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t.Parallel()
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cache.InitOnce(2*time.Second, Opts{},
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func(ctx context.Context) (time.Time, error) {
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return time.Now(), slowCaller(ctx)
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},
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)
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ctx, cancel := context.WithCancel(context.Background())
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cancel() // cancel context to test.
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_, err := cache.GetWithCtx(ctx)
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if !errors.Is(err, context.Canceled) {
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t.Fatalf("expected context.Canceled err, got %v", err)
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}
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ctx, cancel = context.WithCancel(context.Background())
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defer cancel()
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t1, err := cache.GetWithCtx(ctx)
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if err != nil {
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t.Fatalf("expected nil err, got %v", err)
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}
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t2, err := cache.GetWithCtx(ctx)
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if err != nil {
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t.Fatalf("expected nil err, got %v", err)
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}
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if !t1.Equal(t2) {
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t.Fatalf("expected time to be equal: %s != %s", t1, t2)
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}
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time.Sleep(3 * time.Second)
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t3, err := cache.GetWithCtx(ctx)
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if err != nil {
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t.Fatalf("expected nil err, got %v", err)
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}
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if t1.Equal(t3) {
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t.Fatalf("expected time to be un-equal: %s == %s", t1, t3)
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}
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}
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func TestCache(t *testing.T) {
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cache := New[time.Time]()
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t.Parallel()
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cache.InitOnce(2*time.Second, Opts{},
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func(ctx context.Context) (time.Time, error) {
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return time.Now(), nil
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},
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)
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t1, _ := cache.Get()
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t2, _ := cache.Get()
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if !t1.Equal(t2) {
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t.Fatalf("expected time to be equal: %s != %s", t1, t2)
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}
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time.Sleep(3 * time.Second)
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t3, _ := cache.Get()
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if t1.Equal(t3) {
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t.Fatalf("expected time to be un-equal: %s == %s", t1, t3)
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}
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}
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func BenchmarkCache(b *testing.B) {
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cache := New[time.Time]()
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cache.InitOnce(1*time.Millisecond, Opts{},
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func(ctx context.Context) (time.Time, error) {
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return time.Now(), nil
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},
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)
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b.ReportAllocs()
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b.ResetTimer()
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b.RunParallel(func(pb *testing.PB) {
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for pb.Next() {
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cache.Get()
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}
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})
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}
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