def test_sentence():
dataset = Dataset.create(language='en', name='/data/test')
#create test sentence with dataset
sentence1 = Sentence.make('/data/test', "This is a test sentence.")
#check it was saved to the database
assert sentence1.id is not None
#make sure its attributes are readable
sentence1.text
sentence1.words
sentence1.dataset
sentence1.derived_assertions
sentence1.confidence
#make the same sentence, this time using dataset object instead of string
sentence2 = Sentence.make(dataset, "This is a test sentence.")
#check that it was saved to the database
assert sentence2.id is not None
#check that sentence1 and sentence2 have the same ID
assert (sentence1.id == sentence2.id)
#check that its attributes are readable
sentence2.text
sentence2.words
sentence2.dataset
sentence2.derived_assertions
sentence2.confidence
#make a different sentence
sentence3 = Sentence.make('/data/test', "This is a different test sentence.");
#make sure it exists in the database and is different
assert sentence3.id is not None
assert sentence3.id is not sentence1.id
assert sentence3.id is not sentence2.id
#make sure its attributes are readable
sentence3.text
sentence3.words
sentence3.dataset
sentence3.derived_assertions
sentence3.confidence
#clean up by dropping collections
Dataset.drop_collection()
Sentence.drop_collection()