

import unittest

from cer import CER


lowerCAmelCase__             =		CER()







class 						lowercase     (					unittest.TestCase				):


		"""simple docstring"""




		def 		A__       (					self):
			_UpperCamelCase :		Any								=    ['White House']
			_UpperCamelCase :		Tuple								=    ['white house']
			# S = 2, D = 0, I = 0, N = 11, CER = 2 / 11
			_UpperCamelCase :		Tuple								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_8_1_8_1_8_1_8_1_8) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Union[str, Any]								=    ['were wolf']
			_UpperCamelCase :		List[Any]								=    ['werewolf']
			# S = 0, D = 0, I = 1, N = 9, CER = 1 / 9
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_1_1_1_1_1_1) < 1e-6)

			_UpperCamelCase :		int								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    ['weae     wolf']
			# S = 1, D = 1, I = 0, N = 8, CER = 0.25
			_UpperCamelCase :		str								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.2_5) < 1e-6)

			# consecutive whitespaces case 1
			_UpperCamelCase :		Tuple								=    ['were wolf']
			_UpperCamelCase :		Dict								=    ['were               wolf']
			# S = 0, D = 0, I = 0, N = 9, CER = 0
			_UpperCamelCase :		List[str]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0) < 1e-6)

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


		def 		A__       (					self):
			_UpperCamelCase :		Tuple								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    ['weaewolf']
			# S = 1, D = 0, I = 0, N = 8, CER = 0.125
			_UpperCamelCase :		List[str]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_2_5) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		int								=    ['werewolf']
			_UpperCamelCase :		Any								=    ['wereawolf']
			# S = 0, D = 1, I = 0, N = 8, CER = 0.125
			_UpperCamelCase :		Optional[int]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_2_5) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		str								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    ['wereolf']
			# S = 0, D = 0, I = 1, N = 8, CER = 0.125
			_UpperCamelCase :		List[Any]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_2_5) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Optional[Any]								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertEqual(__snake_case						,							0.0)


		def 		A__       (					self):
			_UpperCamelCase :		Union[str, Any]								=    ['werewolf', 'I am your father']
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertEqual(__snake_case						,							0.0)

			_UpperCamelCase :		List[Any]								=    ['werewolf', 'I am your father', 'doge']
			_UpperCamelCase :		Optional[int]								=    ['werxwolf', 'I       am your father', 'doge']
			# S = 1, D = 0, I = 0, N = 28, CER = 1 / 28
			_UpperCamelCase :		Any								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0_3_5_7_1_4_2_8) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Tuple								=    ['My hovercraft', 'is full of eels']
			_UpperCamelCase :		List[Any]								=    ['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
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case						,							concatenate_texts=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0_7_1_4_2_8) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Union[str, Any]								=    ['我能吞下玻璃而不伤身体']
			_UpperCamelCase :		Optional[Any]								=    [' 能吞虾玻璃而 不霜身体啦']
			# S = 3, D = 2, I = 0, N = 11, CER = 5 / 11
			_UpperCamelCase :		Any								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5) < 1e-6)

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

			_UpperCamelCase :		Optional[int]								=    ['我能吞下玻璃而不伤身体']
			_UpperCamelCase :		int								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertFalse(__snake_case						,							0.0)






		def 		A__       (					self):
			_UpperCamelCase :		Tuple								=    ['']
			_UpperCamelCase :		Dict								=    ['Hypothesis']
			with self.assertRaises(__snake_case):
				cer.compute(predictions=__snake_case						,							references=__snake_case)


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







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


lowerCAmelCase__             =		{"""configuration_vit_hybrid""": ["""VIT_HYBRID_PRETRAINED_CONFIG_ARCHIVE_MAP""", """ViTHybridConfig"""]}

try:
							if not is_torch_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							lowerCAmelCase__             =		[
							    """VIT_HYBRID_PRETRAINED_MODEL_ARCHIVE_LIST""",
							    """ViTHybridForImageClassification""",
							    """ViTHybridModel""",
							    """ViTHybridPreTrainedModel""",
							]

try:
							if not is_vision_available():
														raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
							pass
else:
							lowerCAmelCase__             =		["""ViTHybridImageProcessor"""]


if TYPE_CHECKING:
							from .configuration_vit_hybrid import VIT_HYBRID_PRETRAINED_CONFIG_ARCHIVE_MAP, ViTHybridConfig

							try:
														if not is_torch_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .modeling_vit_hybrid import (
														    VIT_HYBRID_PRETRAINED_MODEL_ARCHIVE_LIST,
														    ViTHybridForImageClassification,
														    ViTHybridModel,
														    ViTHybridPreTrainedModel,
														)

							try:
														if not is_vision_available():
																					raise OptionalDependencyNotAvailable()
							except OptionalDependencyNotAvailable:
														pass
							else:
														from .image_processing_vit_hybrid import ViTHybridImageProcessor


else:
							import sys

							lowerCAmelCase__             =		_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)




