import unittest

from cer import CER


_SCREAMING_SNAKE_CASE:    Optional[int]     						=							CER()

class 						_SCREAMING_SNAKE_CASE				(  unittest.TestCase				):






		"""simple docstring"""







		def 					_a					(      self     :					Tuple ):






					"""simple docstring"""
					_snake_case														=   ["White House"]
					_snake_case														=   ["white house"]
					# S = 2, D = 0, I = 0, N = 11, CER = 2 / 11
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.1_8_1_8_1_8_1_8_1_8 ) < 1e-6 )



		def 					_a					(      self     :					Union[str, Any] ):






					"""simple docstring"""
					_snake_case														=   ["were wolf"]
					_snake_case														=   ["werewolf"]
					# S = 0, D = 0, I = 1, N = 9, CER = 1 / 9
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.1_1_1_1_1_1_1 ) < 1e-6 )

					_snake_case														=   ["werewolf"]
					_snake_case														=   ["weae     wolf"]
					# S = 1, D = 1, I = 0, N = 8, CER = 0.25
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.2_5 ) < 1e-6 )

					# consecutive whitespaces case 1
					_snake_case														=   ["were wolf"]
					_snake_case														=   ["were               wolf"]
					# S = 0, D = 0, I = 0, N = 9, CER = 0
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.0 ) < 1e-6 )

					# consecutive whitespaces case 2
					_snake_case														=   ["were   wolf"]
					_snake_case														=   ["were               wolf"]
					# S = 0, D = 0, I = 0, N = 9, CER = 0
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.0 ) < 1e-6 )



		def 					_a					(      self     :					Dict ):






					"""simple docstring"""
					_snake_case														=   ["werewolf"]
					_snake_case														=   ["weaewolf"]
					# S = 1, D = 0, I = 0, N = 8, CER = 0.125
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.1_2_5 ) < 1e-6 )



		def 					_a					(      self     :					Union[str, Any] ):






					"""simple docstring"""
					_snake_case														=   ["werewolf"]
					_snake_case														=   ["wereawolf"]
					# S = 0, D = 1, I = 0, N = 8, CER = 0.125
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.1_2_5 ) < 1e-6 )



		def 					_a					(      self     :					int ):






					"""simple docstring"""
					_snake_case														=   ["werewolf"]
					_snake_case														=   ["wereolf"]
					# S = 0, D = 0, I = 1, N = 8, CER = 0.125
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.1_2_5 ) < 1e-6 )



		def 					_a					(      self     :					Tuple ):






					"""simple docstring"""
					_snake_case														=   ["werewolf"]
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertEqual(__SCREAMING_SNAKE_CASE	,       0.0 )



		def 					_a					(      self     :					Optional[int] ):






					"""simple docstring"""
					_snake_case														=   ["werewolf", "I am your father"]
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertEqual(__SCREAMING_SNAKE_CASE	,       0.0 )

					_snake_case														=   ["werewolf", "I am your father", "doge"]
					_snake_case														=   ["werxwolf", "I       am your father", "doge"]
					# S = 1, D = 0, I = 0, N = 28, CER = 1 / 28
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.0_3_5_7_1_4_2_8 ) < 1e-6 )



		def 					_a					(      self     :					List[str] ):






					"""simple docstring"""
					_snake_case														=   ["My hovercraft", "is full of eels"]
					_snake_case														=   ["My hovercraft is full", " of eels"]
					# S = 0, D = 0, I = 2, N = 28, CER = 2 / 28
					# whitespace at the front of " of eels" will be strip during preporcessing
					# so need to insert 2 whitespaces
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE	,       concatenate_texts=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.0_7_1_4_2_8 ) < 1e-6 )



		def 					_a					(      self     :					List[Any] ):






					"""simple docstring"""
					_snake_case														=   ["我能吞下玻璃而不伤身体"]
					_snake_case														=   [" 能吞虾玻璃而 不霜身体啦"]
					# S = 3, D = 2, I = 0, N = 11, CER = 5 / 11
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5 ) < 1e-6 )

					_snake_case														=   ["我能吞下玻璃", "而不伤身体"]
					_snake_case														=   ["我    能 吞 下 玻 璃", "而不伤身体"]
					# S = 0, D = 5, I = 0, N = 11, CER = 5 / 11
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5_4_5 ) < 1e-6 )

					_snake_case														=   ["我能吞下玻璃而不伤身体"]
					_snake_case														=   cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )
					self.assertFalse(__SCREAMING_SNAKE_CASE	,       0.0 )







		def 					_a					(      self     :					List[str] ):






					"""simple docstring"""
					_snake_case														=   [""]
					_snake_case														=   ["Hypothesis"]
					with self.assertRaises(__SCREAMING_SNAKE_CASE ):
								cer.compute(predictions=__SCREAMING_SNAKE_CASE	,       references=__SCREAMING_SNAKE_CASE )


if __name__ == "__main__":
			unittest.main()


import sys

from transformers import AutoTokenizer


_SCREAMING_SNAKE_CASE:    Optional[int]     						=							sys.argv[1]
_SCREAMING_SNAKE_CASE:    int     						=							sys.argv[2]
_SCREAMING_SNAKE_CASE:    str     						=							int(sys.argv[3])

_SCREAMING_SNAKE_CASE:    Union[str, Any]     						=							0

_SCREAMING_SNAKE_CASE:    Any     						=							AutoTokenizer.from_pretrained(model_name_or_path)
max_len -= tokenizer.num_special_tokens_to_add()

with open(dataset, '''rt''') as f_p:
			for line in f_p:
						_SCREAMING_SNAKE_CASE:    Any     						=							line.rstrip()

						if not line:
									print(line)
									_SCREAMING_SNAKE_CASE:    str     						=							0
									continue

						_SCREAMING_SNAKE_CASE:    Optional[int]     						=							line.split()[0]

						_SCREAMING_SNAKE_CASE:    Tuple     						=							len(tokenizer.tokenize(token))

						# Token contains strange control characters like \x96 or \x95
						# Just filter out the complete line
						if current_subwords_len == 0:
									continue

						if (subword_len_counter + current_subwords_len) > max_len:
									print('''''')
									print(line)
									_SCREAMING_SNAKE_CASE:    Any     						=							current_subwords_len
									continue

						subword_len_counter += current_subwords_len

						print(line)

