Class: RSpec::FlakeClassifier::CoverageSnapshot

Inherits:
Object
  • Object
show all
Defined in:
lib/rspec/flake/classifier/coverage_snapshot.rb,
sig/rspec/flake/classifier.rbs

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(data) ⇒ CoverageSnapshot

Returns a new instance of CoverageSnapshot.

Parameters:

  • data (Hash[String, untyped]) 


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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 21

def initialize(data)
  @data = normalize(data)
end

Class Method Details

.capture ⇒ CoverageSnapshot

Returns:



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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 8

def self.capture
  return null unless Coverage.respond_to?(:running?) && Coverage.running?
  return null unless Coverage.respond_to?(:peek_result)

  new(Coverage.peek_result)
rescue RuntimeError
  null
end

.capture_snapshot ⇒ Object 



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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 33

def self.capture_snapshot
  return {} unless Coverage.respond_to?(:running?) && Coverage.running?
  return {} unless Coverage.respond_to?(:peek_result)

  normalize_static(Coverage.peek_result)
rescue RuntimeError
  {}
end

.line_counts(value) ⇒ Object 



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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 48

def self.line_counts(value)
  return Array(value) if value.is_a?(Array)
  return Array(value[:lines]) if value.is_a?(Hash) && value.key?(:lines)
  return Array(value["lines"]) if value.is_a?(Hash) && value.key?("lines")

  []
end

.normalize_static(data) ⇒ Object 



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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 42

def self.normalize_static(data)
  data.each_with_object({}) do |(file, value), result|
    result[file.to_s] = line_counts(value)
  end
end

.null ⇒ CoverageSnapshot

Returns:



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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 17

def self.null
  new({})
end

Instance Method Details

#delta ⇒ Hash[String, Array[Integer]]

Returns:

  • (Hash[String, Array[Integer]]) 


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# File 'lib/rspec/flake/classifier/coverage_snapshot.rb', line 25

def delta
  after = self.class.capture_snapshot
  after.each_with_object({}) do |(file, counts), result|
    changed = line_delta(Array(@data[file]), counts)
    result[relative_path(file)] = changed unless changed.empty?
  end
end