Class: TestableExamples::Matcher

Inherits:
Object
  • Object
show all
Defined in:
lib/testable_examples/matcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(val) ⇒ Matcher 



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# File 'lib/testable_examples/matcher.rb', line 3

def initialize(val)
  @val = val
  @literal_val = begin
    eval(val)
  rescue Exception
    nil
  end
end

Instance Method Details

#assert(*args) ⇒ Object 



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# File 'lib/testable_examples/matcher.rb', line 29

def assert(*args)
  match(*args) or raise("Unable to match #{args.inspect} against #{@val.inspect}")
end

#match(*args) ⇒ Object 



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# File 'lib/testable_examples/matcher.rb', line 12

def match(*args)
  o = args.compact.first
  if @literal_val
    @literal_val === o
  elsif @val[/^[A-Z][a-z0-9_]*$/]
    Object.const_get(@val.to_sym)
  elsif @val[/^([A-Z][a-zA-Z0-9_]*?):(.*)$/] and o.is_a?(Exception)
    o.class.to_s === $1.strip && o.message == $2.strip
  else
    raise "Unable to understand val type #{@val.inspect}"
  end
end

#match_exception? ⇒ Boolean 



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# File 'lib/testable_examples/matcher.rb', line 25

def match_exception?
  @val[/^[A-Z]/]
end