github.com/ethereum/go-ethereum@v1.14.3/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  	"os"
    21  	"testing"
    22  )
    23  
    24  func TestReadWriteFreezerTableMeta(t *testing.T) {
    25  	f, err := os.CreateTemp(os.TempDir(), "*")
    26  	if err != nil {
    27  		t.Fatalf("Failed to create file %v", err)
    28  	}
    29  	err = writeMetadata(f, newMetadata(100))
    30  	if err != nil {
    31  		t.Fatalf("Failed to write metadata %v", err)
    32  	}
    33  	meta, err := readMetadata(f)
    34  	if err != nil {
    35  		t.Fatalf("Failed to read metadata %v", err)
    36  	}
    37  	if meta.Version != freezerVersion {
    38  		t.Fatalf("Unexpected version field")
    39  	}
    40  	if meta.VirtualTail != uint64(100) {
    41  		t.Fatalf("Unexpected virtual tail field")
    42  	}
    43  }
    44  
    45  func TestInitializeFreezerTableMeta(t *testing.T) {
    46  	f, err := os.CreateTemp(os.TempDir(), "*")
    47  	if err != nil {
    48  		t.Fatalf("Failed to create file %v", err)
    49  	}
    50  	meta, err := loadMetadata(f, uint64(100))
    51  	if err != nil {
    52  		t.Fatalf("Failed to read metadata %v", err)
    53  	}
    54  	if meta.Version != freezerVersion {
    55  		t.Fatalf("Unexpected version field")
    56  	}
    57  	if meta.VirtualTail != uint64(100) {
    58  		t.Fatalf("Unexpected virtual tail field")
    59  	}
    60  }