Exception: Probatio::AssertionError

Inherits:
StandardError
  • Object
show all
Defined in:
lib/probatio/errors.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(assertion, arguments, error_or_message, test, file, line) ⇒ AssertionError

Returns a new instance of AssertionError.



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# File 'lib/probatio/errors.rb', line 14

def initialize(assertion, arguments, error_or_message, test, file, line)

  @assertion = assertion
  @arguments = arguments

  @test = test

  @file = file
  @line = line

  if error_or_message.is_a?(String)
    @msg = error_or_message
  else
    @msg = "error while asserting: " + error_or_message.message
    @nested_error = error_or_message
  end

  super(@msg)
end

Instance Attribute Details

#arguments ⇒ Object (readonly)

Returns the value of attribute arguments.



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# File 'lib/probatio/errors.rb', line 9

def arguments
  @arguments
end

#assertion ⇒ Object (readonly)

Returns the value of attribute assertion.



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# File 'lib/probatio/errors.rb', line 9

def assertion
  @assertion
end

#file ⇒ Object (readonly) Also known as: path

Returns the value of attribute file.



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# File 'lib/probatio/errors.rb', line 9

def file
  @file
end

#line ⇒ Object (readonly)

Returns the value of attribute line.



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# File 'lib/probatio/errors.rb', line 9

def line
  @line
end

#nested_error ⇒ Object

Returns the value of attribute nested_error.



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# File 'lib/probatio/errors.rb', line 10

def nested_error
  @nested_error
end

#test ⇒ Object (readonly)

Returns the value of attribute test.



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# File 'lib/probatio/errors.rb', line 9

def test
  @test
end

Class Method Details

.select_source_lines(path, line) ⇒ Object 



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# File 'lib/probatio/errors.rb', line 105

def select_source_lines(path, line)

  return [] unless path

  File.readlines(path).each_with_index.to_a[line - 1..-1]
    .map { |l, i| [ i + 1, l.rstrip ] }
    .take_while { |_, l|
      l = l.strip
      l.length > 0 && l != 'end' && l != '}' }
end

Instance Method Details

#loc ⇒ Object 



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# File 'lib/probatio/errors.rb', line 39

def loc

  location.map(&:to_s).join(':')
end

#location ⇒ Object 



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# File 'lib/probatio/errors.rb', line 34

def location

  [ @file, @line ]
end

#source_line ⇒ Object 



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# File 'lib/probatio/errors.rb', line 55

def source_line

  @source_line ||=
    File.readlines(@file)[@line - 1]
end

#source_lines ⇒ Object 



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# File 'lib/probatio/errors.rb', line 61

def source_lines

  @source_lines ||=
    Probatio::AssertionError.select_source_lines(@file, @line)
end

#summary(indent = '') ⇒ Object 



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# File 'lib/probatio/errors.rb', line 67

def summary(indent='')

  nl = "\n" + indent

  tw = Probatio.term_width - 4 - indent.length

  as =
    @arguments.find { |a| a.inspect.length > tw } ?
      @arguments.collect { |a|
        if (s0 = a.inspect).length < tw
          nl + '    ' + s0 + "\n"
        else
          s1 = StringIO.new; PP.pp(a, s1, tw)
          qualify_argument(a) + "\n" +
          indent + s1.string.gsub(/^(.*)$/) { "    #{$1}" }
        end } :
    @arguments.collect(&:inspect)

  s = StringIO.new
  s << indent << @assertion << ':'

  case @arguments.collect(&:class)
  when [ Hash, Hash ]
    as.each_with_index { |a, i| s << nl << '  %d: %s' % [ i, a ] }
    output_hash_diff(indent, s)
  when [ Array, Array ]
    output_array_diff(indent, s)
  when [ String, String ]
    output_string_diff(indent, s)
  else
    as.each_with_index { |a, i| s << nl << '  %d: %s' % [ i, a ] }
  end

  s.string
end

#to_s ⇒ Object 



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# File 'lib/probatio/errors.rb', line 44

def to_s

  "#{self.class.name}: #{@msg}"
end

#trail ⇒ Object 



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# File 'lib/probatio/errors.rb', line 49

def trail

  @test.trail + "\n" +
  Probatio.c.red("#{'  ' * (test.depth + 1)}#{loc} --> #{@msg}")
end