k8s.io/apiserver@v0.29.3/pkg/storage/storagebackend/factory/etcd3_test.go (about)

     1  /*
     2  Copyright 2022 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package factory
    18  
    19  import (
    20  	"errors"
    21  	"fmt"
    22  	"testing"
    23  	"time"
    24  )
    25  
    26  func Test_atomicLastError(t *testing.T) {
    27  	aError := &atomicLastError{err: fmt.Errorf("initial error")}
    28  	// no timestamp is always updated
    29  	aError.Store(errors.New("updated error"), time.Time{})
    30  	err := aError.Load()
    31  	if err.Error() != "updated error" {
    32  		t.Fatalf("Expected: \"updated error\" got: %s", err.Error())
    33  	}
    34  	// update to current time
    35  	now := time.Now()
    36  	aError.Store(errors.New("now error"), now)
    37  	err = aError.Load()
    38  	if err.Error() != "now error" {
    39  		t.Fatalf("Expected: \"now error\" got: %s", err.Error())
    40  	}
    41  	// no update to past time
    42  	past := now.Add(-5 * time.Second)
    43  	aError.Store(errors.New("past error"), past)
    44  	err = aError.Load()
    45  	if err.Error() != "now error" {
    46  		t.Fatalf("Expected: \"now error\" got: %s", err.Error())
    47  	}
    48  }