Class: PrismChecker::Node::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/prism_checker/node/base.rb

Direct Known Subclasses

Array, Expectation, Hash

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(checker, parent, name, expectation) ⇒ Base

Returns a new instance of Base.



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# File 'lib/prism_checker/node/base.rb', line 14

def initialize(checker, parent, name, expectation)
  @parent = parent
  @checker = checker
  @name = name
  @expectation = build_expectation(expectation)
  @element = nil
  @status = 'Not checked'
  @error = nil
  @timeout = Capybara.default_max_wait_time
  @type = nil
  @checked_element = nil
end

Instance Attribute Details

#checker ⇒ Object (readonly)

Returns the value of attribute checker.



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# File 'lib/prism_checker/node/base.rb', line 12

def checker
  @checker
end

#error ⇒ Object (readonly)

Returns the value of attribute error.



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# File 'lib/prism_checker/node/base.rb', line 12

def error
  @error
end

#expectation ⇒ Object (readonly)

Returns the value of attribute expectation.



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# File 'lib/prism_checker/node/base.rb', line 12

def expectation
  @expectation
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/prism_checker/node/base.rb', line 12

def name
  @name
end

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/prism_checker/node/base.rb', line 12

def parent
  @parent
end

#status ⇒ Object (readonly)

Returns the value of attribute status.



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# File 'lib/prism_checker/node/base.rb', line 12

def status
  @status
end

Instance Method Details

#build_expectation(expectation) ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 27

def build_expectation(expectation)
  if expectation.is_a?(Symbol) && expectation.start_with?('absent')
    delay = expectation == :absent ? 0 : Integer(expectation.to_s.split('absent').last)

    return AbsenceExpectation.new(delay)
  end

  expectation
rescue ArgumentError
  expectation
end

#check ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 114

def check
  return check_absence if expectation.is_a?(AbsenceExpectation)

  check_wrapper do
    element = self.element
    element_type = type(element)
    checkers = CheckDispatcher.checkers(self, element, expectation, element_type)
    value = nil
    checkers.each do |checker|
      result = wait_until_true do
        element = self.element if element.is_a? ::Array

        value = checker.value(element)
        checker.check(element, value, expectation)
      end

      unless result
        raise Node::CheckFail, checker.error_message(element, value, expectation)
      end
    end

    @checked_element = element
  end
end

#check_absence ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 86

def check_absence
  sleep expectation.delay

  check_wrapper do
    result = wait_until_true(0.1) do
      parent.element.public_send("has_no_#{name}?")
    end

    raise Node::CheckFail, 'Element is present' unless result
  end
end

#check_wrapper ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 73

def check_wrapper
  yield
  @status = 'Ok'
rescue Node::CheckFail => e
  @error = e
  @status = 'Fail'
  raise
rescue StandardError => e
  @error = e
  @status = 'Error'
  raise
end

#element ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 51

def element
  return @checked_element if @checked_element

  if root?
    @checker.item
  elsif parent.is_a?(Node::Hash)
    if parent.element.is_a?(Capybara::Node::Element)
      ElementWrapper.new(parent.element).send(@name)
    else
      parent.element.send(@name)
    end
  elsif parent.is_a?(Node::Array)
    parent.element[@name]
  end
end

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prism_checker/node/base.rb', line 43

def failure?
  @status == 'Fail' || @status == 'Error'
end

#path ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 98

def path
  result = []
  p = self

  while p.is_a? Base
    result << p.name
    p = p.parent
  end

  result.reverse
end

#root? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prism_checker/node/base.rb', line 39

def root?
  parent.is_a?(Checker)
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/prism_checker/node/base.rb', line 47

def success?
  @status == 'Ok'
end

#type(element) ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 110

def type(element)
  @type ||= ItemClassifier.classify(element)
end

#wait_until_true(timeout = @timeout, &block) ⇒ Object 



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# File 'lib/prism_checker/node/base.rb', line 67

def wait_until_true(timeout = @timeout, &block)
  SitePrism::Waiter.wait_until_true(timeout, &block)
rescue SitePrism::TimeoutError
  false
end