Class: SimpleCov::LinesClassifier

Inherits:
Object
  • Object
show all
Defined in:
lib/simplecov/lines_classifier.rb

Overview

Classifies whether lines are relevant for code coverage analysis. Comments & whitespace lines, and :nocov: token blocks, are considered not relevant.

Constant Summary collapse

RELEVANT = 
0
NOT_RELEVANT = 
nil
WHITESPACE_LINE = 
/^\s*$/
COMMENT_LINE = 
/^\s*#/
WHITESPACE_OR_COMMENT_LINE = 
Regexp.union(WHITESPACE_LINE, COMMENT_LINE)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.no_cov_line ⇒ Object 



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# File 'lib/simplecov/lines_classifier.rb', line 17

def self.no_cov_line
  /^(\s*)#(\s*)(:#{SimpleCov.current_nocov_token}:)/o
end

.no_cov_line?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simplecov/lines_classifier.rb', line 21

def self.no_cov_line?(line)
  no_cov_line.match?(line)
rescue ArgumentError
  # E.g., line contains an invalid byte sequence in UTF-8
  false
end

.whitespace_line?(line) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/simplecov/lines_classifier.rb', line 28

def self.whitespace_line?(line)
  WHITESPACE_OR_COMMENT_LINE.match?(line)
rescue ArgumentError
  # E.g., line contains an invalid byte sequence in UTF-8
  false
end

Instance Method Details

#classify(lines) ⇒ Object 



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# File 'lib/simplecov/lines_classifier.rb', line 35

def classify(lines)
  lines = lines.to_a
  directive_disabled = directive_disabled_line_set(lines)
  skipping = false

  lines.map.with_index(1) do |line, line_number|
    skipping = !skipping if self.class.no_cov_line?(line)
    not_relevant_line?(line, line_number, skipping, directive_disabled) ? NOT_RELEVANT : RELEVANT
  end
end