Class: Surrogate::RSpec::InvocationMatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/surrogate/rspec/invocation_matcher.rb

Direct Known Subclasses

NounMatcher, PredicateMatcher, VerbMatcher

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(method_name) ⇒ InvocationMatcher

Returns a new instance of InvocationMatcher.



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 11

def initialize(method_name)
  self.method_name     = method_name.to_sym
  self.times_predicate = TimesPredicate.new
  self.with_filter     = WithFilter.new
end

Instance Attribute Details

#method_name ⇒ Object

Returns the value of attribute method_name



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 9

def method_name
  @method_name
end

#surrogate ⇒ Object

Returns the value of attribute surrogate



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 9

def surrogate
  @surrogate
end

#times_predicate ⇒ Object

Returns the value of attribute times_predicate



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 9

def times_predicate
  @times_predicate
end

#with_filter ⇒ Object

Returns the value of attribute with_filter



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 9

def with_filter
  @with_filter
end

Instance Method Details

#failure_message ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 41

def failure_message
  message_for(
    if times_predicate.default? && with_filter.default?
      :FailureMessageShouldDefault
    elsif times_predicate.default?
      :FailureMessageShouldWith
    elsif with_filter.default?
      :FailureMessageShouldTimes
    else
      :FailureMessageWithTimes
    end
  )
end

#failure_message_when_negated ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 55

def failure_message_when_negated
  message_for(
    if times_predicate.default? && with_filter.default?
      :FailureMessageShouldNotDefault
    elsif times_predicate.default?
      :FailureMessageShouldNotWith
    elsif with_filter.default?
      :FailureMessageShouldNotTimes
    else
      :FailureMessageShouldNotWithTimes
    end
  )
end

#filtered_args ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 22

def filtered_args
  @filtered_args ||= with_filter.filter invocations
end

#invocations ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 26

def invocations
  SurrogateInstanceReflector.new(surrogate).invocations(method_name)
end

#matches?(surrogate) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 17

def matches?(surrogate)
  self.surrogate = surrogate
  times_predicate.matches? filtered_args
end

#message_for(failure_class_name) ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 69

def message_for(failure_class_name)
  self.class.const_get(failure_class_name).new(method_name, invocations, with_filter, times_predicate).get_message
end

#times(times_invoked) ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 30

def times(times_invoked)
  @times_predicate = TimesPredicate.new(times_invoked, :==)
  self
end

#with(*arguments, &expectation_block) ⇒ Object 



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# File 'lib/surrogate/rspec/invocation_matcher.rb', line 35

def with(*arguments, &expectation_block)
  self.with_filter = WithFilter.new arguments, :args_must_match,  &expectation_block
  arguments << expectation_block if expectation_block
  self
end