Module: ActiveSupport::Testing::Isolation

Defined in:
lib/active_support/testing/isolation.rb

Defined Under Namespace

Modules: Forking, Subprocess

Constant Summary collapse

SubprocessCrashed = 
Class.new(StandardError)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.forking_env? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_support/testing/isolation.rb', line 18

def self.forking_env?
  !ENV["NO_FORK"] && Process.respond_to?(:fork)
end

.included(klass) ⇒ Object

:nodoc:



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# File 'lib/active_support/testing/isolation.rb', line 12

def self.included(klass) # :nodoc:
  klass.class_eval do
    parallelize_me! unless Minitest.parallel_executor.is_a?(ActiveSupport::Testing::ParallelizeExecutor)
  end
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/active_support/testing/isolation.rb', line 22

def run
  status, serialized = run_in_isolation do
    super
  end

  unless status&.success?
    error = SubprocessCrashed.new("Subprocess exited with an error: #{status.inspect}\noutput: #{serialized.inspect}")
    error.set_backtrace(caller)
    self.failures << Minitest::UnexpectedError.new(error)
    return defined?(Minitest::Result) ? Minitest::Result.from(self) : dup
  end

  Marshal.load(serialized)
end