Class: CodeChurnHeuristic

Inherits:
Object
  • Object
show all
Defined in:
lib/tipster/heuristics/code_churn_heuristic.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CodeChurnHeuristic

Returns a new instance of CodeChurnHeuristic.



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# File 'lib/tipster/heuristics/code_churn_heuristic.rb', line 9

def initialize
  @files = Hash.new
  @passing_ratio = 0.5
end

Instance Attribute Details

#files ⇒ Object (readonly)

Returns the value of attribute files.



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# File 'lib/tipster/heuristics/code_churn_heuristic.rb', line 7

def files
  @files
end

Instance Method Details

#apply(changed_files) ⇒ Object 



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# File 'lib/tipster/heuristics/code_churn_heuristic.rb', line 14

def apply(changed_files)
  changed_files.each { |file| process(file) }
end

#churn_ratio(file) ⇒ Object 



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# File 'lib/tipster/heuristics/code_churn_heuristic.rb', line 22

def churn_ratio(file)
  total_lines = FileInfo.new(file.file_name).line_count
  churned_lines = file.lines_modified
  churned_lines.to_f / total_lines.to_f
end

#pass? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tipster/heuristics/code_churn_heuristic.rb', line 28

def pass?
  @files.each do |key, value|
    if value > @passing_ratio
      return false
    end
  end
  true
end

#process(file) ⇒ Object 



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# File 'lib/tipster/heuristics/code_churn_heuristic.rb', line 18

def process(file)
  @files[file.file_name] = churn_ratio file
end