class ArchSpec::Rules::AllowedConsumersRule

Backs ArchSpec::DSL::ComponentProxy#can_only_be_used_by. The inverse of an allowlist: flags references to the component from any component that is not an approved consumer. Use it to protect a shared kernel.

Attributes

consumers [R]

source [R]

Public Class Methods

new (source, consumers)

Source

# File lib/archspec/rules/dependency_rules.rb, line 88
def initialize(source, consumers)
  @source = source.to_sym
  @consumers = Array(consumers).flatten.map(&:to_sym).to_set
end

Public Instance Methods

evaluate (graph)

Source

# File lib/archspec/rules/dependency_rules.rb, line 106
def evaluate(graph)
  graph.dependency_edges.flat_map do |edge|
    next [] unless graph.target_components_for(edge).include?(source)

    offenders = graph.source_components_for(edge).reject do |component|
      component == source || consumers.include?(component)
    end

    offenders.map do |offender|
      Diagnostic.new(
        rule: id,
        message: message_for(offender),
        location: edge.location,
        evidence: "#{graph.edge_source_name(edge)} #{edge.verb} #{edge.to}"
      )
    end
  end
end

id ()

Source

# File lib/archspec/rules/dependency_rules.rb, line 102
def id
  'dependencies.consumers'
end

merge! (other)

Source

# File lib/archspec/rules/dependency_rules.rb, line 97
def merge!(other)
  consumers.merge(other.consumers)
  self
end

merge_key ()

Source

# File lib/archspec/rules/dependency_rules.rb, line 93
def merge_key
  [self.class, source]
end