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  1. #Change the CODE and OUTPUT strings to test your program
  2.  
  3. CODE = r'''abb1'''
  4.  
  5. OUTPUT = r'''My source has 4 characters.
  6. 1 is "a"
  7. 2 are "b"
  8. 1 is "1"
  9. Besides unquoted numbers, my output has 383 characters.
  10. 34 are "
  11. "
  12. 79 are " "
  13. 63 are """
  14. 2 are "'"
  15. 2 are ","
  16. 4 are "."
  17. 2 are "1"
  18. 2 are "B"
  19. 2 are "I"
  20. 2 are "M"
  21. 39 are "a"
  22. 4 are "b"
  23. 6 are "c"
  24. 4 are "d"
  25. 38 are "e"
  26. 3 are "g"
  27. 5 are "h"
  28. 4 are "i"
  29. 4 are "m"
  30. 3 are "n"
  31. 8 are "o"
  32. 3 are "p"
  33. 2 are "q"
  34. 38 are "r"
  35. 12 are "s"
  36. 8 are "t"
  37. 7 are "u"
  38. 3 are "y"
  39. It's good to be a program.'''
  40.  
  41. #######################################################
  42.  
  43. import re
  44.  
  45. amountPattern = r'(\d+) (is|are) "(.)"\n'
  46.  
  47. class IntrospectionException(Exception):
  48. 	pass
  49.  
  50. def getClaimedAmounts(string, errorOnIs):
  51. 	groups = re.findall(amountPattern, string, re.DOTALL)
  52.  
  53. 	for amount, verb, char in groups:
  54. 		if verb == 'is':
  55. 			if errorOnIs:
  56. 				raise IntrospectionException('\'1 is "%s"\' is unnecessary' % char)
  57. 			elif amount != '1':
  58. 				raise IntrospectionException('At "%s", %s must use "are"' % (char, amount))
  59. 		elif verb == 'are' and amount == '1':
  60. 			raise IntrospectionException('At "%s", 1 must use "is"' % char)
  61.  
  62. 	amounts = {}
  63. 	for amount, verb, char in groups:
  64. 		if char in amounts:
  65. 			raise IntrospectionException('Duplicate "%s" found' % char)
  66. 		amounts[char] = int(amount)
  67. 	return amounts
  68.  
  69. def getActualAmounts(string):
  70. 	amounts = {}
  71. 	for char in string:
  72. 		if char in amounts:
  73. 			amounts[char] += 1
  74. 		else:
  75. 			amounts[char] = 1
  76. 	return amounts
  77.  
  78. def compareAmounts(claimed, actual):
  79. 	for char in actual:
  80. 		if char not in claimed:
  81. 			raise IntrospectionException('The amounts list is missing "%s"' % char)
  82. 	for char in actual: #loop separately so missing character errors are all found first
  83. 		if claimed[char] != actual[char]:
  84. 			raise IntrospectionException('The amount of "%s" characters is %d, not %d' % (char, actual[char], claimed[char]))
  85. 	if claimed != actual:
  86. 		raise IntrospectionException('The amounts are somehow incorrect')
  87.  
  88. def isCorrect(code, output):
  89. 	p1 = r'^My source has (\d+) characters\.\n'
  90. 	p2 = r'Besides unquoted numbers, my output has (\d+) characters\.\n'
  91. 	p3 = r"It's good to be a program\.$"
  92. 	p4 = '%s(%s)*%s(%s)*%s' % (p1, amountPattern, p2, amountPattern, p3)
  93.  
  94. 	for p in [p1, p2, p3, p4]:
  95. 		if re.search(p, output, re.DOTALL) == None:
  96. 			raise IntrospectionException('Did not match the regex "%s"' % p)
  97.  
  98. 	claimedCodeSize = int(re.search(p1, output).groups()[0])
  99. 	actualCodeSize = len(code)
  100. 	if claimedCodeSize != actualCodeSize:
  101. 		raise IntrospectionException('The code length is %d, not %d' % (actualCodeSize, claimedCodeSize))
  102.  
  103. 	filteredOutput = re.sub(r'([^"])\d+([^"])', r'\1\2', output)
  104.  
  105. 	claimedOutputSize = int(re.search(p2, output).groups()[0])
  106. 	actualOutputSize = len(filteredOutput)
  107. 	if claimedOutputSize != actualOutputSize:
  108. 		raise IntrospectionException('The output length (excluding unquoted numbers) is %d, not %d' % (actualOutputSize, claimedOutputSize))
  109.  
  110. 	splitIndex = re.search(p2, output).start()
  111.  
  112. 	claimedCodeAmounts = getClaimedAmounts(output[:splitIndex], False)
  113. 	actualCodeAmounts = getActualAmounts(code)
  114. 	compareAmounts(claimedCodeAmounts, actualCodeAmounts)
  115.  
  116. 	claimedOutputAmounts = getClaimedAmounts(output[splitIndex:], True)
  117. 	actualOutputAmounts = getActualAmounts(filteredOutput)
  118. 	compareAmounts(claimedOutputAmounts, actualOutputAmounts)
  119.  
  120. def checkCorrectness():
  121. 	try:
  122. 		isCorrect(CODE, OUTPUT)
  123. 		print 'Everything is correct!'
  124. 	except IntrospectionException as e:
  125. 		print 'Failed: %s.' % e
  126.  
  127. checkCorrectness()
Success #stdin #stdout 0.01s 7852KB
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stdin
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Standard input is empty
stdout
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Everything is correct!
https://ideone.com/6H0ldu
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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