Class: Coverband::Utils::DeadMethods

Inherits:
Object
  • Object
show all
Defined in:
lib/coverband/utils/dead_methods.rb

Class Method Summary collapse

Class Method Details

.output_all ⇒ Object 



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# File 'lib/coverband/utils/dead_methods.rb', line 54

def self.output_all
  rows =
    scan_all.each_with_object(
      [%w[file class method line_number]]
    ) { |dead_method, rows|
      rows <<
        [
          dead_method.file_path,
          dead_method.class_name,
          dead_method.name,
          dead_method.first_line_number
        ]
    }
  rows.to_table
end

.scan(file_path:, coverage:) ⇒ Object 



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# File 'lib/coverband/utils/dead_methods.rb', line 33

def self.scan(file_path:, coverage:)
  MethodDefinitionScanner.scan(file_path).reject do |method_definition|
    method_definition.body.coverage?(coverage)
  end
end

.scan_all ⇒ Object 



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# File 'lib/coverband/utils/dead_methods.rb', line 39

def self.scan_all
  # If the file was loaded during eager loading and then its code is never executed
  # during runtime, then it will not have any runtime coverage. When reporting
  # dead methods, we need to look at all the files discovered during the eager loading
  # and runtime phases.
  coverage = Coverband.configuration.store.get_coverage_report[Coverband::MERGED_TYPE]
  coverage.flat_map do |file_path, coverage|
    next [] unless File.exist?(file_path)

    scan(file_path: file_path, coverage: coverage["data"])
  rescue Errno::ENOENT
    []
  end
end