Class: TestStringRandom

Inherits:
Test::Unit::TestCase
  • Object
show all
Defined in:
lib/shokkenki/term/ruby-string-random/test/test_strrand.rb

Instance Method Summary collapse

Instance Method Details

#setup ⇒ Object 



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 12

def setup
  @string_random = StringRandom.new
end

#test_initialize ⇒ Object

StringRandom itself



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 17

def test_initialize
  assert_not_nil(@string_random)
  assert_instance_of(StringRandom, @string_random)
end

#test_method_respond ⇒ Object

StringRandom methods



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 23

def test_method_respond
  # instance methods
  assert_respond_to(@string_random, :[])
  assert_respond_to(@string_random, :[]=)
  assert_respond_to(@string_random, :random_regex)
  assert_respond_to(@string_random, :random_pattern)

  # singleton methods
  assert_respond_to(StringRandom, :random_regex)
  assert_respond_to(StringRandom, :random_string)
end

#test_random_pattern ⇒ Object

StringRandom#random_pattern



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 77

def test_random_pattern
  assert_equal(0, @string_random.random_pattern('').length)

  patterns = {
    'x' => ['a'],
    'y' => ['b'],
    'z' => ['c']
  }

  patterns.each_pair do |key, pattern|
    @string_random[key] = pattern
  end
  assert_equal('abc', @string_random.random_pattern('xyz'))

  target = patterns.keys
  result = @string_random.random_pattern(target)
  assert_equal(target.size, result.size)
  target.each_with_index do |pattern, i|
    assert_equal(@string_random[pattern][0], result[i])
  end
end

#test_random_pattern_builtin ⇒ Object

StringRandom#random_pattern



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 100

def test_random_pattern_builtin
  ['C', 'c', 'n', '!', '.', 's', 'b'].each do |val|
    assert_not_nil(@string_random[val])
  end

  range = ('A'..'Z').to_a
  range.each_with_index do |val, i|
    assert_equal(val, @string_random['C'][i])
  end

  # modify built-in pattern
  @string_random['C'] = ['n']
  assert_equal('n', @string_random.random_pattern('C'))

  # undefined behavior
  count    = 0
  patterns = {
    'X' => ('A'..'Z'),
    'Y' => [['foo,', 'bar'], [['baz']]],
    'Z' => [true, false],
    ''  => 'hogehoge' # no raise
  }
  patterns.each_pair do |key, pattern|
    begin
      @string_random[key] = pattern
      @string_random.random_pattern(key)
    rescue Exception
      count += 1
    end
  end
  assert_equal(patterns.keys.size - 1, count)

  # No pollute other object
  @other = StringRandom.new
  assert_not_equal('n', @other.random_pattern('C'))
end

#test_random_pattern_invalid ⇒ Object

StringRandom#random_pattern



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 138

def test_random_pattern_invalid
  ['A', 'CZ1s', 'Hoge', '\n'].each do |pattern|
    assert_raise(RuntimeError) { @string_random.random_pattern(pattern) }
  end
end

#test_random_regex ⇒ Object

StringRandom#random_regex



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 36

def test_random_regex
  patterns = ['\d\d\d',
              '\w\w\w',
              '[ABC][abc]',
              '[012][345]',
              '...',
              '[a-z][0-9]',
              '[aw-zX][123]',
              '[a-z]{5}',
              '0{80}',
              '[a-f][nprt]\d{3}',
              '\t\n\r\f\a\e',
              '\S\S\S',
              '\s\s\s',
              '\w{5,10}',
              '\w?',
              '\w+',
              '\w*',
              '']

  patterns.each do |pattern|
    result = @string_random.random_regex(pattern)
    assert_match(/#{pattern}/, result, "#{result} is invalid: pattern #{pattern}")
  end

  result = @string_random.random_regex(patterns)
  assert_equal(patterns.size, result.size)
end

#test_random_regex_invalid ⇒ Object

StringRandom#random_regex



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 66

def test_random_regex_invalid
  patterns = ['[a-z]{a}',
              '0{,,}',
              '9{1,z}']

  patterns.each do |pattern|
    assert_raise(RuntimeError, "Non expected: #{pattern}") { @string_random.random_regex(pattern) }
  end
end

#test_singleton_random_regex ⇒ Object

StringRandom.random_regex



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 145

def test_singleton_random_regex
  patterns = ['\d\d\d',
              '\w\w\w',
              '[ABC][abc]',
              '[012][345]',
              '...',
              '[a-z][0-9]',
              '[aw-zX][123]',
              '[a-z]{5}',
              '0{80}',
              '[a-f][nprt]\d{3}',
              '\t\n\r\f\a\e',
              '\S\S\S',
              '\s\s\s',
              '\w{5,10}',
              '\w?',
              '\w+',
              '\w*',
              '']

  patterns.each do |pattern|
    result = StringRandom.random_regex(pattern)
    assert_match(/#{pattern}/, result, "#{result} is invalid: pattern #{pattern}")
  end
end

#test_singleton_random_string ⇒ Object

StringRandom.random_string



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# File 'lib/shokkenki/term/ruby-string-random/test/test_strrand.rb', line 172

def test_singleton_random_string
  assert_match(/\d/, StringRandom.random_string('n'))
  assert_raise(RuntimeError) { StringRandom.random_string('0') }

  # with optional lists
  assert_equal('abc', StringRandom.random_string('012', ['a'], ['b'], ['c']))
  assert_match(/[abc][def]/, StringRandom.random_string('01', ['a', 'b', 'c'], ['d', 'e', 'f']))
end