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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 configutil
import (
"os"
"path/filepath"
"strings"
"sync"
"testing"
"github.com/notaryproject/notation-go/dir"
)
func TestLoadConfigOnce(t *testing.T) {
defer func() {
loadConfigOnce = sync.OnceValues(loadConfig)
}()
config1, err := LoadConfigOnce()
if err != nil {
t.Fatal("LoadConfigOnce failed.")
}
config2, err := LoadConfigOnce()
if err != nil {
t.Fatal("LoadConfigOnce failed.")
}
if config1 != config2 {
t.Fatal("LoadConfigOnce should return the same config.")
}
}
func TestLoadConfigOnceError(t *testing.T) {
dir.UserConfigDir = t.TempDir()
defer func() {
dir.UserConfigDir = ""
loadConfigOnce = sync.OnceValues(loadConfig)
}()
if err := os.WriteFile(filepath.Join(dir.UserConfigDir, dir.PathConfigFile), []byte("invalid json"), 0600); err != nil {
t.Fatal("Failed to create file.")
}
_, err := LoadConfigOnce()
if err == nil || !strings.Contains(err.Error(), "invalid character") {
t.Fatal("LoadConfigOnce should fail.")
}
_, err2 := LoadConfigOnce()
if err != err2 {
t.Fatal("LoadConfigOnce should return the same error.")
}
}
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