Class: Necropsy::Analyzers::Dynamic::CoverageImporter

Inherits:
Necropsy::Analyzer show all
Defined in:
lib/necropsy/analyzers/dynamic/coverage_importer.rb

Direct Known Subclasses

TracePointImporter

Instance Method Summary collapse

Constructor Details

#initialize(config) ⇒ CoverageImporter

Returns a new instance of CoverageImporter.



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# File 'lib/necropsy/analyzers/dynamic/coverage_importer.rb', line 10

def initialize(config)
  @config = config || {}
end

Instance Method Details

#analyze(_graph, project) ⇒ Object 



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# File 'lib/necropsy/analyzers/dynamic/coverage_importer.rb', line 14

def analyze(_graph, project)
  source = config['source']
  return AnalyzerResult.empty unless source

  payload = load_payload(File.expand_path(source, project.root))
  alive = Array(payload['executed'] || payload['nodes']).map do |node_id|
    AliveEvidence.new(
      node_id: node_id,
      evidence: evidence(kind: :alive, details: "Coverage marked #{node_id} as executed",
                         metadata: payload['observation'] || {})
    )
  end

  edge_evidences = Array(payload['edges']).map do |edge|
    caller_id = edge['caller_id'] || edge[:caller_id]
    callee_id = edge['callee_id'] || edge[:callee_id]
    EdgeEvidence.new(
      caller_id: caller_id,
      callee_id: callee_id,
      evidence: evidence(kind: :call_edge, details: "Coverage observed #{caller_id} -> #{callee_id}")
    )
  end

  AnalyzerResult.new(
    edge_evidences: edge_evidences,
    alive_evidences: alive,
    uncertainties: {},
    observation: { 'coverage' => payload['observation'] || {} }
  )
end

#profile ⇒ Object 



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# File 'lib/necropsy/analyzers/dynamic/coverage_importer.rb', line 45

def profile
  AnalyzerProfile.new(
    name: :coverage,
    kind: :dynamic,
    soundness: :observational,
    description: 'Imports method execution and observed edges from Ruby Coverage output.'
  )
end