github.com/klaytn/klaytn@v1.10.2/datasync/chaindatafetcher/kas/repository_checkpoint_test.go (about)

     1  // Copyright 2020 The klaytn Authors
     2  // This file is part of the klaytn library.
     3  //
     4  // The klaytn 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 klaytn 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 klaytn library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package kas
    18  
    19  import "strings"
    20  
    21  func (s *SuiteRepository) TestCheckpoint_Success() {
    22  	// Clean up the table before test.
    23  	s.NoError(s.repo.db.Delete(FetcherMetadata{}).Error)
    24  
    25  	expected := int64(1912)
    26  	err := s.repo.WriteCheckpoint(expected)
    27  	s.NoError(err)
    28  
    29  	actual, err := s.repo.ReadCheckpoint()
    30  	s.NoError(err)
    31  	s.Equal(expected, actual)
    32  }
    33  
    34  func (s *SuiteRepository) TestCheckpoint_Fail_RecordNotFound() {
    35  	// Clean up the table before test.
    36  	s.NoError(s.repo.db.Delete(FetcherMetadata{}).Error)
    37  
    38  	// readCheckpoint returns an error if it is failed to read a checkpoint from database.
    39  	_, err := s.repo.readCheckpoint()
    40  	s.Error(err)
    41  	s.True(strings.Contains(err.Error(), "record not found"))
    42  }
    43  
    44  func (s *SuiteRepository) TestCheckpoint_Success_RecordNotFound() {
    45  	// Clean up the table before test.
    46  	s.NoError(s.repo.db.Delete(FetcherMetadata{}).Error)
    47  
    48  	// ReadCheckpoint filters "record not found" error and returns 0.
    49  	checkpoint, err := s.repo.ReadCheckpoint()
    50  	s.NoError(err)
    51  	s.Equal(int64(0), checkpoint)
    52  }