Class: Pact::Matchers::ListDiffFormatter

Inherits:
Object
  • Object
show all
Defined in:
lib/pact/matchers/list_diff_formatter.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(diff, options = {}) ⇒ ListDiffFormatter

Returns a new instance of ListDiffFormatter.



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 9

def initialize diff, options = {}
  @diff = diff
end

Instance Attribute Details

#diff ⇒ Object (readonly)

Returns the value of attribute diff.



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 7

def diff
  @diff
end

Class Method Details

.call(diff, options = {}) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 13

def self.call diff, options = {}
  new(diff, options).call
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 21

def call
  to_s
end

#diff_descriptions(obj, path = [], descriptions = []) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 29

def diff_descriptions obj, path = [], descriptions = []
  case obj
  when Hash then handle_hash obj, path, descriptions
  when Array then handle_array obj, path, descriptions
  when Difference then handle_difference obj, path, descriptions
  when TypeDifference then handle_mismatched_type obj, path, descriptions
  when RegexpDifference then handle_mismatched_regexp obj, path, descriptions
  when NoDiffAtIndex then nil
  else
    raise "Invalid diff, expected Hash, Array, NoDiffAtIndex or Difference, found #{obj.class}"
  end
  descriptions
end

#handle_array(array, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 49

def handle_array array, path, descriptions
  array.each_with_index do | obj, index |
    diff_descriptions obj, path + [index], descriptions
  end
end

#handle_difference(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 55

def handle_difference difference, path, descriptions
  case difference.expected
  when Pact::UnexpectedKey then handle_unexpected_key(difference, path, descriptions)
  when Pact::UnexpectedIndex then handle_unexpected_index(difference, path, descriptions)
  else
    case difference.actual
    when Pact::KeyNotFound then handle_key_not_found(difference, path, descriptions)
    when Pact::IndexNotFound then handle_index_not_found(difference, path, descriptions)
    else
      handle_mismatched_value(difference, path, descriptions)
    end
  end
end

#handle_hash(hash, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 43

def handle_hash hash, path, descriptions
  hash.each_pair do | key, value |
    diff_descriptions value, path + [key.inspect], descriptions
  end
end

#handle_index_not_found(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 85

def handle_index_not_found difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tMissing index with value:\n\t\t#{difference.expected.ai}"
end

#handle_key_not_found(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 89

def handle_key_not_found difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tMissing key with value:\n\t\t#{difference.expected.ai}"
end

#handle_mismatched_regexp(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 77

def handle_mismatched_regexp difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tExpected to match:\n\t\t#{difference.expected.inspect}\n\tActual:\n\t\t#{difference.actual.ai}"
end

#handle_mismatched_type(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 81

def handle_mismatched_type difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tExpected type:\n\t\t#{difference.expected}\n\tActual type:\n\t\t#{difference.actual}"
end

#handle_mismatched_value(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 73

def handle_mismatched_value difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tExpected:\n\t\t#{difference.expected.ai}\n\tActual:\n\t\t#{difference.actual.ai}"
end

#handle_unexpected_index(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 69

def handle_unexpected_index difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tArray contained unexpected item:\n\t\t#{difference.actual.ai}"
end

#handle_unexpected_key(difference, path, descriptions) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 93

def handle_unexpected_key difference, path, descriptions
  descriptions << "\tAt:\n\t\t#{path_to_s(path)}\n\tHash contained unexpected key with value:\n\t\t#{difference.actual.ai}"
end

#path_to_s(path) ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 97

def path_to_s path
  "[" + path.join("][") + "]"
end

#to_hash ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 17

def to_hash
  diff
end

#to_s ⇒ Object 



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# File 'lib/pact/matchers/list_diff_formatter.rb', line 25

def to_s
  diff_descriptions(diff).join("\n")
end