Class: EqJsonMessageGenerator

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

Instance Method Summary collapse

Constructor Details

#initialize(matcher) ⇒ EqJsonMessageGenerator

Returns a new instance of EqJsonMessageGenerator.



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# File 'lib/message_generator.rb', line 5

def initialize(matcher)
  @matcher = matcher
  @colorizer = EqJsonColorizer.new
end

Instance Method Details

#generateDifferentKeyMessage ⇒ Object 



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# File 'lib/message_generator.rb', line 54

def generateDifferentKeyMessage()
  if @matcher.currentActualObj.nil?
    objectsNotInExpected = getObjectsNotIn(@matcher.actual, @matcher.expected);
    objectsNotInActual = getObjectsNotIn(@matcher.expected, @matcher.actual);
  else
    objectsNotInExpected = getObjectsNotIn(@matcher.currentActualObj, @matcher.currentExpectedObj);
    objectsNotInActual = getObjectsNotIn(@matcher.currentExpectedObj, @matcher.currentActualObj);
  end

  jsonErrorInfo = "JSON path #{@matcher.jsonPath}\n"

  unless objectsNotInExpected.empty?
    jsonErrorInfo << "expected does not contain #{objectsNotInExpected.to_json}\n"
  end

  unless objectsNotInActual.empty?
    jsonErrorInfo << @colorizer.green("actual does not contain #{objectsNotInActual.to_json}\n")
  end

  differ = RSpec::Support::Differ.new

  differ = RSpec::Support::Differ.new(
      :object_preparer => lambda {|expected| RSpec::Matchers::Composable.surface_descriptions_in(expected)},
      :color => RSpec::Matchers.configuration.color?
  )

  if @matcher.currentActualObj.nil?
    @difference = differ.diff(@matcher.expected, @matcher.actual)
  else
    @difference = differ.diff(@matcher.currentExpectedObj, @matcher.currentActualObj)
  end

  return getExpectedActualJson() + "\n" +
      "\nDiff:\n" +
      jsonErrorInfo +
      @difference
end

#generateDifferentSizeArrayMessage ⇒ Object 



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# File 'lib/message_generator.rb', line 121

def generateDifferentSizeArrayMessage()
  if @matcher.currentActualObj.nil?
    expectedLength = @matcher.expected.length
    actualLength = @matcher.actual.length
  else
    expectedLength = @matcher.currentExpectedObj.length
    actualLength = @matcher.currentActualObj.length
  end

  jsonErrorInfo = "JSON path #{@matcher.jsonPath}[] expected length #{expectedLength} " +
      "actual length #{actualLength}\n"

  return getExpectedActualJson() + "\n" +
      "\nDiff:\n" +
      jsonErrorInfo
end

#generateDifferentValueMessage ⇒ Object 



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# File 'lib/message_generator.rb', line 32

def generateDifferentValueMessage()

  # TODO have item in todo list to use a diff if the value is a String
  #      with mutiple lines so leaving this diff code even though it is not
  #      being used
  differ = RSpec::Support::Differ.new

  differ = RSpec::Support::Differ.new(
      :object_preparer => lambda {|expected| RSpec::Matchers::Composable.surface_descriptions_in(expected)},
      :color => RSpec::Matchers.configuration.color?
  )

  @difference = differ.diff_as_object(@matcher.currentExpectedObj, @matcher.currentActualObj)
  # End unused code

  return getExpectedActualJson() + "\n" +
      "Diff:\n" +
      "JSON path #{@matcher.jsonPath}\n" +
      "\texpected: \"#{@matcher.currentExpectedObj}\"\n" +
      @colorizer.green("\t     got: \"#{@matcher.currentActualObj}\"")
end

#generateExpectedItemNotFoundInArray(expected_item, expected_count, actual_count) ⇒ Object 



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# File 'lib/message_generator.rb', line 138

def generateExpectedItemNotFoundInArray(expected_item, expected_count, actual_count)
  # if @matcher.currentActualObj.nil?
  #    objectsNotInExpected = getObjectsNotInArray(@matcher.actual, @matcher.expected);
  #    objectsNotInActual = getObjectsNotInArray(@matcher.expected, @matcher.actual);
  # else
  #    objectsNotInExpected = getObjectsNotIn(@matcher.currentActualObj, @matcher.currentExpectedObj);
  #    objectsNotInActual = getObjectsNotIn(@matcher.currentExpectedObj, @matcher.currentActualObj);
  # end

  if actual_count == 0
    jsonErrorInfo = "JSON path #{@matcher.jsonPath}[] could not find:\n" +
        "#{expected_item.to_json}\n" +
        "in actual\n"
  else
    jsonErrorInfo = "JSON path #{@matcher.jsonPath}[] wrong number of:\n" +
        "#{expected_item.to_json}\n" +
        "in actual\n" +
        "expected: #{expected_count}\n" +
        @colorizer.green("     got: #{actual_count}") + "\n"
  end

  # unless objectsNotInExpected.empty?
  #   jsonErrorInfo << "expected does not contain #{objectsNotInExpected.to_json}\n"
  # end
  #
  # unless objectsNotInActual.empty?
  #   jsonErrorInfo << @colorizer.green("actual does not contain #{objectsNotInActual.to_json}\n")
  # end

  return getExpectedActualJson() + "\n" +
      "\nDiff:\n" +
      jsonErrorInfo
end

#generateTypeMissMatchFailureMessage ⇒ Object 



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# File 'lib/message_generator.rb', line 10

def generateTypeMissMatchFailureMessage()

  if @matcher.currentJsonKey.nil?
    actualType = getJsonType(@matcher.actual)
    expectedType = getJsonType(@matcher.expected)
  else
    actualType = getJsonType(@matcher.currentActualObj)
    expectedType = getJsonType(@matcher.currentExpectedObj)
    currentJsonDiff = "\tExpected: #{@matcher.currentExpectedObj.to_json}\n" +
        @colorizer.green("\t  Actual: #{@matcher.currentActualObj.to_json}") + "\n"
  end

  jsonErrorInfo = "JSON path #{@matcher.jsonPath} expected #{expectedType} type but actual is #{actualType}\n"
  unless currentJsonDiff.nil?
    jsonErrorInfo << currentJsonDiff
  end

  return getExpectedActualJson() +"\n" +
      "Diff:\n" +
      "#{jsonErrorInfo}"
end

#getExpectedActualJson ⇒ Object 



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# File 'lib/message_generator.rb', line 92

def getExpectedActualJson
  expectedJson=@matcher.expected.to_json;
  actualJson=@matcher.actual.to_json;

  return "Expected: #{expectedJson}\n" +
      @colorizer.green("  Actual: #{actualJson}")
end

#getJsonType(rubyJsonObject) ⇒ Object 



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# File 'lib/message_generator.rb', line 110

def getJsonType(rubyJsonObject)
  case rubyJsonObject
    when Array
      return "array"
    when Hash
      return "object"
    else
      return "not json"
  end
end

#getObjectsNotIn(hash1, hash2) ⇒ Object 



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# File 'lib/message_generator.rb', line 100

def getObjectsNotIn(hash1, hash2)
  missing = {}
  hash1.each do |hash1_key, hash1_value|
    unless hash2.has_key?(hash1_key)
      missing[hash1_key] = hash1_value
    end
  end
  return missing
end