Class: Shoulda::Matchers::ActiveRecord::AssociationMatchers::JoinTableMatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(association_matcher, reflector) ⇒ JoinTableMatcher

Returns a new instance of JoinTableMatcher.



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# File 'lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb', line 16

def initialize(association_matcher, reflector)
  @association_matcher = association_matcher
  @reflector = reflector
end

Instance Attribute Details

#failure_message ⇒ Object (readonly) Also known as: missing_option

Returns the value of attribute failure_message.



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# File 'lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb', line 7

def failure_message
  @failure_message
end

Instance Method Details

#join_table_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb', line 44

def join_table_exists?
  if connection.data_sources.
      include?(join_table_name.to_s)
    true
  else
    @failure_message = missing_table_message
    false
  end
end

#join_table_has_correct_columns? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb', line 54

def join_table_has_correct_columns?
  if missing_columns.empty?
    true
  else
    @failure_message = missing_columns_message
    false
  end
end

#join_table_option_correct? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb', line 27

def join_table_option_correct?
  if options.key?(:join_table_name)
    if option_verifier.correct_for_string?(
      :join_table,
      options[:join_table_name],
    )
      true
    else
      @failure_message = "#{name} should use"\
        " #{options[:join_table_name].inspect} for :join_table option"
      false
    end
  else
    true
  end
end

#matches?(_subject) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/shoulda/matchers/active_record/association_matchers/join_table_matcher.rb', line 21

def matches?(_subject)
  join_table_option_correct? &&
    join_table_exists? &&
    join_table_has_correct_columns?
end