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93 lines
2.8 KiB
Python
93 lines
2.8 KiB
Python
import operator
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import types
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import sys
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from rdflib import term, RDF, Namespace
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schema = Namespace('http://schema.org/')
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def test(description, got, expected=None, func=None):
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if isinstance(got, types.GeneratorType):
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got = set(got)
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try:
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if expected is None:
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func = func or operator.truth
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expected = True
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assert func(got)
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else:
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func = func or operator.eq
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assert func(got, expected)
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except AssertionError:
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print('Test failed: {}'.format(description), file=sys.stderr)
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print('\tExpected: {}'.format(expected), file=sys.stderr)
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print('\tGot: {}'.format(got), file=sys.stderr)
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raise Exception('Test failed: {}'.format(description))
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def atLeast(lst, number):
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return len(set(lst))>=number
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def containsAll(lst, other):
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for i in other:
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if i not in lst:
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print('{} not found'.format(i), file=sys.stderr)
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return False
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return True
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def test_hotel(g):
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test('Some triples are loaded',
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len(g))
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hotels = set(g.subjects(RDF.type, schema['Hotel']))
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test('At least 2 hotels are loaded',
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hotels,
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2,
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atLeast)
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for hotel in hotels:
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if 'GSIHOTEL' in hotel: # Do not check the example hotel
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continue
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props = g.predicates(hotel)
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test('Each hotel has all required properties',
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props,
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list(schema[i] for i in ['description', 'email', 'logo', 'priceRange']),
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func=containsAll)
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reviews = set(g.subjects(RDF.type, schema['Review']))
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test('At least 3 reviews are loaded',
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reviews,
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3,
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atLeast)
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for review in reviews:
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props = g.predicates(review)
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test('Each review has all required properties',
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props,
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list(schema[i] for i in ['itemReviewed', 'reviewBody', 'reviewRating']),
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func=containsAll)
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ratings = list(g.objects(review, schema['reviewRating']))
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for rating in ratings:
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value = g.value(rating, schema['ratingValue'])
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test('The review should have ratings', value)
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authors = set(g.objects(None, schema['author']))
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for author in authors:
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for prop in g.predicates(author, None):
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if 'name' in str(prop).lower():
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break
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else:
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assert "At least a reviewer has a name (surname, givenName...)"
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print('All tests passed. Congratulations!')
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print()
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print('Now you can try to add the optional properties')
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def test_example(g):
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test('Some triples have been loaded',
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len(g))
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test('A person has been defined',
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g.subjects(RDF.type, term.URIRef('http://xmlns.com/foaf/0.1/Person')))
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print('All tests passed. Well done!') |