Class: Wrong::FailureMessage

Inherits:
Object
  • Object
show all
Defined in:
lib/wrong/failure_message.rb

Defined Under Namespace

Classes: Formatter

Constant Summary collapse

@@formatters = 
[]

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(chunk, valence, explanation) ⇒ FailureMessage

Returns a new instance of FailureMessage.



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# File 'lib/wrong/failure_message.rb', line 46

def initialize(chunk, valence, explanation)
  @chunk, @valence, @explanation = chunk, valence, explanation
end

Instance Attribute Details

#chunk ⇒ Object

Returns the value of attribute chunk.



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# File 'lib/wrong/failure_message.rb', line 44

def chunk
  @chunk
end

#explanation ⇒ Object

Returns the value of attribute explanation.



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# File 'lib/wrong/failure_message.rb', line 44

def explanation
  @explanation
end

#valence ⇒ Object

Returns the value of attribute valence.



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# File 'lib/wrong/failure_message.rb', line 44

def valence
  @valence
end

Class Method Details

.formatter_for(predicate) ⇒ Object 



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# File 'lib/wrong/failure_message.rb', line 13

def self.formatter_for(predicate)
  @@formatters.each do |formatter_class|
    formatter = formatter_class.new(predicate)
    if formatter.match?
      return formatter
    end
  end
  nil
end

.formatters ⇒ Object 



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# File 'lib/wrong/failure_message.rb', line 9

def self.formatters
  @@formatters
end

.register_formatter(formatter) ⇒ Object 



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# File 'lib/wrong/failure_message.rb', line 5

def self.register_formatter(formatter)
  @@formatters << formatter
end

Instance Method Details

#basic ⇒ Object 



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# File 'lib/wrong/failure_message.rb', line 50

def basic
  "#{valence == :deny ? "Didn't expect" : "Expected"} #{colored(:blue, chunk.code)}"
end

#full ⇒ Object 



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# File 'lib/wrong/failure_message.rb', line 54

def full
  message = ""
  message << "#{explanation}: " if explanation
  message << basic
  
  formatted_message = if predicate && !(predicate.is_a? Predicated::Conjunction)
    if formatter = FailureMessage.formatter_for(predicate)
      colored(:bold, formatter.describe)
    end
  end
  
  unless chunk.details.empty? and formatted_message.nil?
    message << ", but"
  end
  
  message << formatted_message if formatted_message
  message << chunk.details unless chunk.details.empty?
  message
end