github.com/mysteriumnetwork/go-ethereum@v1.11.0/core/rawdb/freezer_meta_test.go (about)

     1  // Copyright 2022 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
    16  
    17  package rawdb
    18  
    19  import (
    20  	"io/ioutil"
    21  	"os"
    22  	"testing"
    23  )
    24  
    25  func TestReadWriteFreezerTableMeta(t *testing.T) {
    26  	f, err := ioutil.TempFile(os.TempDir(), "*")
    27  	if err != nil {
    28  		t.Fatalf("Failed to create file %v", err)
    29  	}
    30  	err = writeMetadata(f, newMetadata(100))
    31  	if err != nil {
    32  		t.Fatalf("Failed to write metadata %v", err)
    33  	}
    34  	meta, err := readMetadata(f)
    35  	if err != nil {
    36  		t.Fatalf("Failed to read metadata %v", err)
    37  	}
    38  	if meta.Version != freezerVersion {
    39  		t.Fatalf("Unexpected version field")
    40  	}
    41  	if meta.VirtualTail != uint64(100) {
    42  		t.Fatalf("Unexpected virtual tail field")
    43  	}
    44  }
    45  
    46  func TestInitializeFreezerTableMeta(t *testing.T) {
    47  	f, err := ioutil.TempFile(os.TempDir(), "*")
    48  	if err != nil {
    49  		t.Fatalf("Failed to create file %v", err)
    50  	}
    51  	meta, err := loadMetadata(f, uint64(100))
    52  	if err != nil {
    53  		t.Fatalf("Failed to read metadata %v", err)
    54  	}
    55  	if meta.Version != freezerVersion {
    56  		t.Fatalf("Unexpected version field")
    57  	}
    58  	if meta.VirtualTail != uint64(100) {
    59  		t.Fatalf("Unexpected virtual tail field")
    60  	}
    61  }