Class: MiniTest::Mock

Inherits:
Object show all
Defined in:
lib/minitest/mock.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Mock

Returns a new instance of Mock.



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# File 'lib/minitest/mock.rb', line 5

def initialize
  @expected_calls = {}
  @actual_calls = Hash.new {|h,k| h[k] = [] }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, *args) ⇒ Object

Raises:

  • (NoMethodError) 


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# File 'lib/minitest/mock.rb', line 25

def method_missing(sym, *args)
  raise NoMethodError unless @expected_calls.has_key?(sym)
  raise ArgumentError unless @expected_calls[sym][:args].size == args.size
  retval = @expected_calls[sym][:retval]
  @actual_calls[sym] << { :retval => retval, :args => args }
  retval
end

Instance Method Details

#expect(name, retval, args = []) ⇒ Object 



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# File 'lib/minitest/mock.rb', line 10

def expect(name, retval, args=[])
  @expected_calls[name] = { :retval => retval, :args => args }
  self
end

#original_respond_to? ⇒ Object 



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# File 'lib/minitest/mock.rb', line 33

alias :original_respond_to? :respond_to?

#respond_to?(sym) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/minitest/mock.rb', line 34

def respond_to?(sym)
  return true if @expected_calls.has_key?(sym)
  return original_respond_to?(sym)
end

#verify ⇒ Object 



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# File 'lib/minitest/mock.rb', line 15

def verify
  @expected_calls.each_key do |name|
    expected = @expected_calls[name]
    msg = "expected #{name}, #{expected.inspect}"
    raise MockExpectationError, msg unless
      @actual_calls.has_key? name and @actual_calls[name].include?(expected)
  end
  true
end