go.etcd.io/etcd@v3.3.27+incompatible/contrib/raftexample/kvstore_test.go (about)

     1  // Copyright 2016 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package main
    16  
    17  import (
    18  	"reflect"
    19  	"testing"
    20  )
    21  
    22  func Test_kvstore_snapshot(t *testing.T) {
    23  	tm := map[string]string{"foo": "bar"}
    24  	s := &kvstore{kvStore: tm}
    25  
    26  	v, _ := s.Lookup("foo")
    27  	if v != "bar" {
    28  		t.Fatalf("foo has unexpected value, got %s", v)
    29  	}
    30  
    31  	data, err := s.getSnapshot()
    32  	if err != nil {
    33  		t.Fatal(err)
    34  	}
    35  	s.kvStore = nil
    36  
    37  	if err := s.recoverFromSnapshot(data); err != nil {
    38  		t.Fatal(err)
    39  	}
    40  	v, _ = s.Lookup("foo")
    41  	if v != "bar" {
    42  		t.Fatalf("foo has unexpected value, got %s", v)
    43  	}
    44  	if !reflect.DeepEqual(s.kvStore, tm) {
    45  		t.Fatalf("store expected %+v, got %+v", tm, s.kvStore)
    46  	}
    47  }