3390abc675
This will allow to use reporters from matchers avoiding stupid direct writes to $stderr. Also it will allow to remove matching from CLI altogether in a phase of the runner. Allowing to decouple Mutant::Config from VM environment allowing to serialize it ;) Step by step. Takes a while.
93 lines
2.2 KiB
Ruby
93 lines
2.2 KiB
Ruby
module Mutant
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class Matcher
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# Matcher for specific namespace
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#
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# rubocop:disable LineLength
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class Namespace < self
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include Concord::Public.new(:env, :expression)
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# Enumerate subjects
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#
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# @return [self]
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# if block given
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#
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# @return [Enumerator<Subject>]
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# otherwise
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#
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# @api private
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#
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def each(&block)
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return to_enum unless block_given?
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scopes.each do |scope|
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scope.each(&block)
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end
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self
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end
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private
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# Return scope enumerator
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#
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# @return [Array<Class, Module>]
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#
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# @api private
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#
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def scopes
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::ObjectSpace.each_object(Module).each_with_object([]) do |scope, aggregate|
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aggregate << Scope.new(env, scope) if match?(scope)
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end.sort_by(&:identification)
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end
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memoize :scopes
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# Return scope name
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#
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# @param [Class,Module] scope
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#
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# @return [String]
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# if scope has a name and does not raise exceptions optaining it
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#
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# @return [nil]
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# otherwise
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#
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# @api private
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#
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# rubocop:disable LineLength
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#
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def scope_name(scope)
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scope.name
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rescue => exception
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$stderr.puts("WARNING: While optaining #{scope.class}#name from: #{scope.inspect} It raised an error: #{exception.inspect} fix your lib!")
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nil
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end
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# Test scope if name matches expresion
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#
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# @param [Module,Class] scope
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#
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# @return [Boolean]
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#
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# @api private
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#
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def match?(scope)
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name = scope_name(scope) or return false
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unless name.kind_of?(String)
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$stderr.puts("WARNING: #{scope.class}#name from: #{scope.inspect} did not return a String or nil. Fix your lib to support normal ruby semantics!")
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return false
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end
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scope_expression = Expression.try_parse(name)
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unless scope_expression
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$stderr.puts("WARNING: #{name.inspect} is not an identifiable ruby class name.")
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return false
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end
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expression.prefix?(scope_expression)
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end
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end # Namespace
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end # Matcher
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end # Mutant
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