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// Copyright The Notary Project Authors.
// 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 crl
import (
"context"
"errors"
"os"
"sync"
"testing"
corecrl "github.com/notaryproject/notation-core-go/revocation/crl"
)
func TestGet(t *testing.T) {
cache := &CacheWithLog{}
expectedErrMsg := "cache cannot be nil"
_, err := cache.Get(context.Background(), "")
if err == nil || err.Error() != expectedErrMsg {
t.Fatalf("expected error %q, but got %q", expectedErrMsg, err)
}
cache = &CacheWithLog{
Cache: &dummyCache{},
}
expectedErrMsg = "cache get failed"
_, err = cache.Get(context.Background(), "")
if err == nil || err.Error() != expectedErrMsg {
t.Fatalf("expected error %q, but got %q", expectedErrMsg, err)
}
cache = &CacheWithLog{
Cache: &dummyCache{
cacheMiss: true,
},
}
_, err = cache.Get(context.Background(), "")
if err == nil || !errors.Is(err, corecrl.ErrCacheMiss) {
t.Fatalf("expected error %q, but got %q", corecrl.ErrCacheMiss, err)
}
}
func TestSet(t *testing.T) {
cache := &CacheWithLog{}
expectedErrMsg := "cache cannot be nil"
err := cache.Set(context.Background(), "", nil)
if err == nil || err.Error() != expectedErrMsg {
t.Fatalf("expected error %q, but got %q", expectedErrMsg, err)
}
cache = &CacheWithLog{
Cache: &dummyCache{},
}
expectedErrMsg = "cache set failed"
err = cache.Set(context.Background(), "", nil)
if err == nil || err.Error() != expectedErrMsg {
t.Fatalf("expected error %q, but got %q", expectedErrMsg, err)
}
cache = &CacheWithLog{
Cache: &dummyCache{
setSuccess: true,
},
}
err = cache.Set(context.Background(), "", nil)
if err != nil {
t.Fatalf("expected nil error, but got %q", err)
}
}
func TestLogDiscardErrorOnce(t *testing.T) {
cache := &CacheWithLog{
Cache: &dummyCache{},
DiscardCacheError: true,
}
oldStderr := os.Stderr
defer func() {
os.Stderr = oldStderr
}()
testFile, err := os.CreateTemp(t.TempDir(), "testNotation")
if err != nil {
t.Fatal(err)
}
defer testFile.Close()
os.Stderr = testFile
var wg sync.WaitGroup
for i := 0; i < 3; i++ {
wg.Add(1)
go func() {
defer wg.Done()
cache.Get(context.Background(), "")
cache.Set(context.Background(), "", nil)
}()
}
wg.Wait()
b, err := os.ReadFile(testFile.Name())
if err != nil {
t.Fatal(err)
}
expectedMsg := "Warning: CRL cache error discarded. Enable debug log through '-d' for error details.\n"
if string(b) != expectedMsg {
t.Fatalf("expected to get %q, but got %q", expectedMsg, string(b))
}
}
type dummyCache struct {
cacheMiss bool
setSuccess bool
}
func (d *dummyCache) Get(ctx context.Context, url string) (*corecrl.Bundle, error) {
if d.cacheMiss {
return nil, corecrl.ErrCacheMiss
}
return nil, errors.New("cache get failed")
}
func (d *dummyCache) Set(ctx context.Context, url string, bundle *corecrl.Bundle) error {
if d.setSuccess {
return nil
}
return errors.New("cache set failed")
}
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