Class: StimulusSpec::Matchers::HaveStimulusClass

Inherits:
Object
  • Object
show all
Defined in:
lib/stimulus_spec/matchers/have_stimulus_class.rb

Instance Method Summary collapse

Constructor Details

#initialize(controller, name, expected = nil) ⇒ HaveStimulusClass

Returns a new instance of HaveStimulusClass.



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# File 'lib/stimulus_spec/matchers/have_stimulus_class.rb', line 6

def initialize(controller, name, expected = nil)
  @controller = controller.to_s
  @name = name.to_s
  @expected = expected
  @attr = "data-#{@controller}-#{@name}-class"
end

Instance Method Details

#description ⇒ Object 



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# File 'lib/stimulus_spec/matchers/have_stimulus_class.rb', line 43

def description
  if @expected
    "have Stimulus class \"#{@name}\" with \"#{@expected}\" for controller \"#{@controller}\""
  else
    "have Stimulus class \"#{@name}\" for controller \"#{@controller}\""
  end
end

#does_not_match?(subject) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stimulus_spec/matchers/have_stimulus_class.rb', line 27

def does_not_match?(subject)
  !matches?(subject)
end

#failure_message ⇒ Object 



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# File 'lib/stimulus_spec/matchers/have_stimulus_class.rb', line 31

def failure_message
  if @expected && @actual
    "expected #{@attr} to be \"#{@expected}\" but was \"#{@actual}\"\n  on: #{@element.to_html}"
  else
    "expected to find an element with #{@attr} but found none in:\n#{snippet}"
  end
end

#failure_message_when_negated ⇒ Object 



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# File 'lib/stimulus_spec/matchers/have_stimulus_class.rb', line 39

def failure_message_when_negated
  "expected not to find an element with #{@attr} but found one"
end

#matches?(subject) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/stimulus_spec/matchers/have_stimulus_class.rb', line 13

def matches?(subject)
  @body = extract_body(subject)
  @doc = Nokogiri::HTML5.fragment(@body)
  @element = @doc.at_css("[#{@attr}]")
  return false unless @element

  if @expected
    @actual = @element[@attr]
    @actual == @expected.to_s
  else
    true
  end
end