Class: Ki::VersionTester

Inherits:
Object show all
Defined in:
lib/data_access/version_helpers.rb

Overview

Tests that a version is intact. Version can be in repository or as file. Checks that all files have correct hashes. If recursive is set to true, goes through all dependencies

See Also:

Instance Method Summary collapse

Instance Method Details

#test_version(root_version, &block) ⇒ bool

Tests that a version is intact

  • test_version(version) expects a Version parameter

See Also:



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# File 'lib/data_access/version_helpers.rb', line 33

def test_version(root_version, &block)
  all_ok = true
  possible_hashes = KiCommand::KiExtensions.find!("/hashing")
  # iterates through all versions
  root_version.version_iterator.iterate_versions do |v|
    binaries = v.binaries
    metadata = v.metadata
    metadata.cached_data
    metadata.files.each do |file_hash|
      file_path = file_hash["path"]
      full_path = binaries.path(file_path)
      issue = nil
      if !File.exists?(full_path)
        issue="missing"
      elsif File.size(full_path) != file_hash["size"]
        issue="wrong size"
      elsif !verify_hash(file_hash, full_path, possible_hashes)
        issue="wrong hash"
      end
      if issue
        all_ok = false
        (results[issue]||=[]) << [v, file_path]
        if block
          block.call(issue, v, file_path)
        end
        if print
          puts "#{v.metadata.path}: '#{file_path}' #{issue} '#{v.binaries.path(file_path)}'"
        end
      end
    end
    if !recursive
      break
    end
  end
  all_ok
end

#verify_hash(file_hash, full_path, possible_hashes) ⇒ Object 



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# File 'lib/data_access/version_helpers.rb', line 70

def verify_hash(file_hash, full_path, possible_hashes)
  file_hashes = possible_hashes.service_names.select { |name| file_hash.include?(name) }
  checked_hashes = VersionMetadataFile.calculate_hashes(full_path, file_hashes)
  checked_hashes.each_pair do |id, result|
    if file_hash[id] != result
      return false
    end
  end
  true
end