Class: ActiveEventStore::HavePublishedEvent

Inherits:
RSpec::Matchers::BuiltIn::BaseMatcher
  • Object
show all
Defined in:
lib/active_event_store/rspec/have_published_event.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(event_class) ⇒ HavePublishedEvent

Returns a new instance of HavePublishedEvent.



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 7

def initialize(event_class)
  @event_class = event_class
  @event_store = ActiveEventStore.event_store
  set_expected_number(:exactly, 1)
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 5

def attributes
  @attributes
end

#event_class ⇒ Object (readonly)

Returns the value of attribute event_class.



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 5

def event_class
  @event_class
end

#event_store ⇒ Object (readonly)

Returns the value of attribute event_store.



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 5

def event_store
  @event_store
end

Instance Method Details

#at_least(count) ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 28

def at_least(count)
  set_expected_number(:at_least, count)
  self
end

#at_most(count) ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 33

def at_most(count)
  set_expected_number(:at_most, count)
  self
end

#exactly(count) ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 23

def exactly(count)
  set_expected_number(:exactly, count)
  self
end

#matches?(block) ⇒ Boolean

Returns:

  • (Boolean)

Raises:

  • (ArgumentError) 


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# File 'lib/active_event_store/rspec/have_published_event.rb', line 58

def matches?(block)
  raise ArgumentError, "have_published_event only supports block expectations" unless block.is_a?(Proc)

  original_count = event_store.read.count
  block.call
  new_count = event_store.read.count - original_count
  in_block_events = new_count.positive? ? event_store.read.backward.limit(new_count).to_a :
                                          []

  @matching_events, @unmatching_events =
    in_block_events.partition do |actual_event|
      (event_class.identifier == actual_event.event_type) &&
        (attributes.nil? || attributes_match?(actual_event))
    end

  @matching_count = @matching_events.size

  case @expectation_type
  when :exactly then @expected_number == @matching_count
  when :at_most then @expected_number >= @matching_count
  when :at_least then @expected_number <= @matching_count
  end
end

#once ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 42

def once
  exactly(:once)
end

#supports_block_expectations? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_event_store/rspec/have_published_event.rb', line 54

def supports_block_expectations?
  true
end

#thrice ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 50

def thrice
  exactly(:thrice)
end

#times ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 38

def times
  self
end

#twice ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 46

def twice
  exactly(:twice)
end

#with(attributes) ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 18

def with(attributes)
  @attributes = attributes
  self
end

#with_store(store) ⇒ Object 



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# File 'lib/active_event_store/rspec/have_published_event.rb', line 13

def with_store(store)
  @event_store = store
  self
end