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test_preprocessors.py
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test_preprocessors.py
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from __future__ import absolute_import
from __future__ import division
from __future__ import print_function
from __future__ import unicode_literals
from rasa_addons.nlu.components.spell_check import BingSpellCheck
from rasa.nlu.training_data.message import Message
def _get_instance(config=None):
return BingSpellCheck(config)
def _setup_example(config=None):
instance = _get_instance(config=config)
message = Message(text='This is a tst message')
flagged_tokens = [
{
"offset": 10,
"token": "tst",
"type": "UnknownToken",
"suggestions": [
{
"suggestion": "test",
"score": 0.95155325585711
},
{
"suggestion": "text",
"score": 0.805342621979041
}
]
}
]
return instance, message, flagged_tokens
def test_get_replacements():
instance, message, flagged_tokens = _setup_example()
tokens = instance._get_replacements(flagged_tokens)
assert len(tokens) == 1
token = tokens[0]
assert 'offset' in token and 'token' in token and 'replacement' in token
assert token['offset'] == 10 and token['token'] == 'tst' and token['replacement'] == 'test'
def test_replace():
instance, message, flagged_tokens = _setup_example()
tokens = instance._get_replacements(flagged_tokens)
new_text = instance._replace(message.text, tokens)
assert new_text == 'This is a test message'
def test_min_score():
instance, message, flagged_tokens = _setup_example({'min_score':0.99})
assert len(flagged_tokens) == 1
tokens = instance._get_replacements(flagged_tokens)
assert len(tokens) == 0
text = instance._replace(message.text, tokens)
assert text == 'This is a tst message'
def test_multiple_errors():
instance = _get_instance()
message = Message(text='Ths i a tst mesae')
flagged_tokens = [
{
"offset": 0,
"token": "Ths",
"type": "UnknownToken",
"suggestions": [
{
"suggestion": "This",
"score": 0.825389307284585
}
]
},
{
"offset": 4,
"token": "i",
"type": "UnknownToken",
"suggestions": [
{
"suggestion": "is",
"score": 0.825389307284585
}
]
},
{
"offset": 8,
"token": "tst",
"type": "UnknownToken",
"suggestions": [
{
"suggestion": "test",
"score": 0.825389307284585
},
{
"suggestion": "text",
"score": 0.646529276890009
}
]
},
{
"offset": 12,
"token": "mesae",
"type": "UnknownToken",
"suggestions": [
{
"suggestion": "message",
"score": 0.825389307284585
},
{
"suggestion": "mesa",
"score": 0.761621385590906
}
]
}
]
tokens = instance._get_replacements(flagged_tokens)
assert len(tokens) == len(flagged_tokens)
text = instance._replace(message.text, tokens)
assert text == 'This is a test message'