Module: ExceptionUtilities

Defined in:
lib/exception_utilities.rb,
lib/exception_utilities/version.rb

Defined Under Namespace

Classes: Error

Constant Summary collapse

VERSION = 
"1.0.0"

Class Method Summary collapse

Class Method Details

.exception_matcher(&block) ⇒ Object 



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# File 'lib/exception_utilities.rb', line 19

def exception_matcher(&block)
  Module.new do
    (class << self; self; end).class_eval do
      define_method(:===, &block)
    end
  end
end

.exceptions_ignoring_eval(*modules) ⇒ Object 



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# File 'lib/exception_utilities.rb', line 8

def exceptions_ignoring_eval(*modules)
  unless modules.all? {|ec| Module === ec }
    raise Error, 'only Module instances are accepted'
  end
  begin
    yield
  rescue *modules => exception
    exception
  end
end

.exceptions_with_message(pattern, *exception_classes) ⇒ Object 



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# File 'lib/exception_utilities.rb', line 27

def exceptions_with_message(pattern, *exception_classes)
  exception_classes << StandardError if exception_classes.empty?
  exception_matcher do |exception|
    case exception
    when *exception_classes
      pattern === exception.message rescue false
    else
      false
    end
  end
end