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|
"""
Part of the tagit test suite.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# imports
import unittest
# bsfs imports
from bsfs.namespace import ns
from bsfs.schema import Schema, types
from bsfs.utils import errors, URI
# objects to test
from bsfs.schema.serialize import from_string, to_string
## code ##
class TestFromString(unittest.TestCase):
def test_empty(self):
# schema contains at least the root types
self.assertEqual(from_string(''), Schema())
def test_circular_dependency(self):
# must not have circular dependencies
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix bsfs: <http://bsfs.ai/schema/>
bsfs:Entity rdfs:subClassOf bsfs:Node .
# ah, a nice circular dependency
bsfs:Entity rdfs:subClassOf bsfs:Document .
bsfs:Document rdfs:subClassOf bsfs:Entity .
bsfs:PDF rdfs:subClassOf bsfs:Document .
''')
def test_node(self):
# all nodes must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
xsd:string rdfs:subClassOf bsfs:Literal .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
''')
# node definitions must be consistent (cannot re-use a node uri)
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Document rdfs:subClassOf bsfs:Node .
bsfs:Document rdfs:subClassOf bsfs:Entity . # conflicting parent
''')
# additional nodes can be defined
n_unused = types.ROOT_NODE.get_child(ns.bsfs.unused)
self.assertEqual(Schema({}, {n_unused}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:unused rdfs:subClassOf bsfs:Node . # unused symbol
'''))
# a node can have multiple children
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
n_tag = types.ROOT_NODE.get_child(ns.bsfs.Tag)
n_doc = n_ent.get_child(ns.bsfs.Document)
n_image = n_ent.get_child(ns.bsfs.Image)
self.assertEqual(Schema({}, {n_ent, n_tag, n_doc, n_image}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
# nodes inherit from same parent
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Tag rdfs:subClassOf bsfs:Node .
# nodes inherit from same parent
bsfs:Document rdfs:subClassOf bsfs:Entity .
bsfs:Image rdfs:subClassOf bsfs:Entity .
'''))
# additional nodes can be defined and used
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
p_filename = types.ROOT_PREDICATE.get_child(ns.bse.filename,
n_ent, l_string, False)
self.assertEqual(Schema({p_filename}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
xsd:string rdfs:subClassOf bsfs:Literal .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
'''))
# nodes can have annotations
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
bsfs:Entity rdfs:subClassOf bsfs:Node .
''').node(ns.bsfs.Entity).annotations, {})
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
bsfs:Entity rdfs:subClassOf bsfs:Node ;
rdfs:label "hello world"^^xsd:string ;
bsfs:foo "1234"^^xsd:integer .
''').node(ns.bsfs.Entity).annotations, {
ns.rdfs.label: 'hello world',
ns.bsfs.foo: 1234,
})
def test_literal(self):
# all literals must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ; # undefined symbol
bsfs:unique "false"^^xsd:boolean .
''')
# literal definitions must be consistent (cannot re-use a literal uri)
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
xsd:string rdfs:subClassOf bsfs:Literal .
xsd:name rdfs:subClassOf bsfs:Literal .
xsd:name rdfs:subClassOf xsd:string . # conflicting parent
''')
# additional literals can be defined
l_unused = types.ROOT_LITERAL.get_child(ns.xsd.unused)
self.assertEqual(Schema({}, {}, {l_unused}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
xsd:unused rdfs:subClassOf bsfs:Literal . # unused symbol
'''))
# a literal can have multiple children
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
l_integer = types.ROOT_LITERAL.get_child(ns.xsd.integer)
l_unsigned = l_integer.get_child(ns.xsd.unsigned)
l_signed = l_integer.get_child(ns.xsd.signed)
self.assertEqual(Schema({}, {}, {l_string, l_integer, l_unsigned, l_signed}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
# literals inherit from same parent
xsd:string rdfs:subClassOf bsfs:Literal .
xsd:integer rdfs:subClassOf bsfs:Literal .
# literals inherit from same parent
xsd:unsigned rdfs:subClassOf xsd:integer .
xsd:signed rdfs:subClassOf xsd:integer .
'''))
# additional literals can be defined and used
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
p_filename = types.ROOT_PREDICATE.get_child(ns.bse.filename,
n_ent, l_string, False)
self.assertEqual(Schema({p_filename}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
xsd:string rdfs:subClassOf bsfs:Literal .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
'''))
# literals can have annotations
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
xsd:string rdfs:subClassOf bsfs:Literal .
''').literal(ns.xsd.string).annotations, {})
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
xsd:string rdfs:subClassOf bsfs:Literal ;
rdfs:label "hello world"^^xsd:string ;
bsfs:foo "1234"^^xsd:integer .
''').literal(ns.xsd.string).annotations, {
ns.rdfs.label: 'hello world',
ns.bsfs.foo: 1234,
})
def test_predicate(self):
# domain must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
xsd:string rdfs:subClassOf bsfs:Literal .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ; # undefined symbol
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
''')
# domain cannot be a literal
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Literal .
xsd:string rdfs:subClassOf bsfs:Literal .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ; # literal instead of node
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
''')
# range must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ; # undefined symbol
bsfs:unique "false"^^xsd:boolean .
''')
# range must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:Foo ; # undefined symbol
bsfs:unique "false"^^xsd:boolean .
''')
# range must be a node or a literal
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:filename rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:Predicate ; # invalid symbol
bsfs:unique "false"^^xsd:boolean .
''')
# additional predicates can be defined
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
p_comment = types.ROOT_PREDICATE.get_child(ns.bse.comment, domain=n_ent, range=l_string, unique=False)
self.assertEqual(Schema({p_comment}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
xsd:string rdfs:subClassOf bsfs:Literal .
bse:comment rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
'''))
# predicates inherit properties from parents
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
p_annotation = types.ROOT_PREDICATE.get_child(ns.bsfs.Annotation, domain=n_ent, range=l_string)
p_comment = p_annotation.get_child(ns.bse.comment, unique=True)
self.assertEqual(Schema({p_comment}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
xsd:string rdfs:subClassOf bsfs:Literal .
bsfs:Annotation rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range xsd:string .
bse:comment rdfs:subClassOf bsfs:Annotation ; # inherits domain/range from bsfs:Annotation
bsfs:unique "true"^^xsd:boolean .
'''))
# we can define partial predicates (w/o specifying a usable range)
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
p_annotation = types.ROOT_PREDICATE.get_child(ns.bsfs.Annotation, domain=n_ent)
p_comment = p_annotation.get_child(ns.bse.comment, range=l_string, unique=False)
self.assertEqual(Schema({p_comment}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
xsd:string rdfs:subClassOf bsfs:Literal .
bsfs:Annotation rdfs:subClassOf bsfs:Predicate ; # derive predicate w/o setting range
rdfs:domain bsfs:Entity .
bse:comment rdfs:subClassOf bsfs:Annotation ; # derived predicate w/ setting range
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
'''))
# predicate definition can be split across multiple statements.
# statements can be repeated
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
p_foo = types.ROOT_PREDICATE.get_child(ns.bse.foo, domain=n_ent, range=types.ROOT_NODE, unique=True)
self.assertEqual(Schema({p_foo}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:range bsfs:Node ;
bsfs:unique "true"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity.
'''))
# domain must be a subtype of parent's domain
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
n_image = n_ent.get_child(ns.bsfs.Image)
p_foo = types.ROOT_PREDICATE.get_child(ns.bse.foo, domain=types.ROOT_NODE)
p_bar = p_foo.get_child(ns.bse.bar, domain=n_ent)
p_foobar = p_bar.get_child(ns.bse.foobar, domain=n_image)
self.assertEqual(Schema({p_foobar}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Image rdfs:subClassOf bsfs:Entity .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Node .
bse:bar rdfs:subClassOf bse:foo ;
rdfs:domain bsfs:Entity .
bse:foobar rdfs:subClassOf bse:bar ;
rdfs:domain bsfs:Image .
'''))
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Image rdfs:subClassOf bsfs:Entity .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Image .
bse:bar rdfs:subClassOf bse:foo ;
rdfs:domain bsfs:Entity .
bse:foobar rdfs:subClassOf bse:bar ;
rdfs:domain bsfs:Node .
''')
# range must be a subtype of parent's range
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
n_image = n_ent.get_child(ns.bsfs.Image)
p_foo = types.ROOT_PREDICATE.get_child(ns.bse.foo, range=types.ROOT_NODE)
p_bar = p_foo.get_child(ns.bse.bar, range=n_ent)
p_foobar = p_bar.get_child(ns.bse.foobar, range=n_image)
self.assertEqual(Schema({p_foobar}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Image rdfs:subClassOf bsfs:Entity .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:range bsfs:Node .
bse:bar rdfs:subClassOf bse:foo ;
rdfs:range bsfs:Entity .
bse:foobar rdfs:subClassOf bse:bar ;
rdfs:range bsfs:Image .
'''))
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Image rdfs:subClassOf bsfs:Entity .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:range bsfs:Image .
bse:bar rdfs:subClassOf bse:foo ;
rdfs:range bsfs:Entity .
bse:foobar rdfs:subClassOf bse:bar ;
rdfs:range bsfs:Node .
''')
# cannot define the same predicate from multiple parents
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:Annotation rdfs:subClassOf bsfs:Predicate .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Annotation ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
''')
# cannot assign multiple conflicting domains to the same predicate
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity . # conflicting domain
''')
# cannot assign multiple conflicting ranges to the same predicate
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:range bsfs:Entity . # conflicting range
''')
# cannot assign multiple conflicting uniques to the same predicate
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Predicate ;
bsfs:unique "true"^^xsd:boolean . # conflicting unique
''')
# predicates can have annotations
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bse:comment rdfs:subClassOf bsfs:Predicate ;
rdfs:range bsfs:Node .
''').predicate(ns.bse.comment).annotations, {})
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bse:comment rdfs:subClassOf bsfs:Predicate ;
rdfs:range bsfs:Node ;
rdfs:label "hello world"^^xsd:string ;
bsfs:foo "1234"^^xsd:integer .
''').predicate(ns.bse.comment).annotations, {
ns.rdfs.label: 'hello world',
ns.bsfs.foo: 1234,
})
def test_feature(self):
# domain must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:array rdfs:subClassOf bsfs:Literal .
bse:colors rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ; # undefined symbol
rdfs:range bsfs:array ;
bsfs:unique "false"^^xsd:boolean .
''')
# domain cannot be a literal
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Literal .
bsfs:array rdfs:subClassOf bsfs:Literal .
bse:colors rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ; # literal instead of node
rdfs:range bsfs:array ;
bsfs:unique "false"^^xsd:boolean .
''')
# range must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:colors rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:array ; # undefined symbol
bsfs:unique "false"^^xsd:boolean .
''')
# range must be defined
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:colors rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:Foo ; # undefined symbol
bsfs:unique "false"^^xsd:boolean .
''')
# range must be a node or a literal
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:colors rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:Predicate ; # invalid symbol
bsfs:unique "false"^^xsd:boolean .
''')
# additional predicates can be defined
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_array = types.ROOT_LITERAL.get_child(ns.bsfs.array)
p_comment = types.ROOT_FEATURE.get_child(ns.bse.colors, domain=n_ent, range=l_array, unique=False)
self.assertEqual(Schema({p_comment}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:array rdfs:subClassOf bsfs:Literal .
bse:colors rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:array ;
bsfs:unique "false"^^xsd:boolean .
'''))
# features inherit properties from parents
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
l_array = types.ROOT_LITERAL.get_child(ns.bsfs.array)
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
p_annotation = types.ROOT_FEATURE.get_child(ns.bsfs.Annotation, domain=n_ent, range=l_array,
dimension=1234, dtype=ns.xsd.string)
p_comment = p_annotation.get_child(ns.bse.colors, unique=True)
self.assertEqual(Schema({p_comment}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:array rdfs:subClassOf bsfs:Literal .
bsfs:Annotation rdfs:subClassOf bsfs:Feature ; # inherits defaults from bsfs:Feature
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:array ;
bsfs:dimension "1234"^^xsd:integer ;
bsfs:dtype xsd:string .
bse:colors rdfs:subClassOf bsfs:Annotation ; # inherits domain/range/etc. from bsfs:Annotation
bsfs:unique "true"^^xsd:boolean . # overwrites bsfs:Predicate
'''))
# feature definition can be split across multiple statements.
# statements can be repeated
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
p_foo = types.ROOT_FEATURE.get_child(ns.bse.foo, domain=n_ent, unique=True,
dimension=1234, dtype=ns.bsfs.f32)
self.assertEqual(Schema({p_foo}), from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
bsfs:unique "true"^^xsd:boolean ;
bsfs:dimension "1234"^^xsd:integer .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ;
bsfs:dtype bsfs:f32 .
'''))
# cannot define the same feature from multiple parents
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Annotation rdfs:subClassOf bsfs:Feature .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Annotation ;
rdfs:domain bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
''')
# cannot assign multiple conflicting domains to the same feature
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity . # conflicting domain
''')
# cannot assign multiple conflicting ranges to the same feature
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bsfs:array rdfs:subClassOf bsfs:Literal .
bsfs:large_array rdfs:subClassOf bsfs:array .
bsfs:small_array rdfs:subClassOf bsfs:array .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:large_array ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:range bsfs:small_array . # conflicting range
''')
# cannot assign multiple conflicting uniques to the same feature
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
rdfs:range bsfs:Node ;
bsfs:unique "false"^^xsd:boolean .
bse:foo rdfs:subClassOf bsfs:Feature ;
bsfs:unique "true"^^xsd:boolean . # conflicting unique
''')
# cannot assign multiple conflicting dimensions to the same feature
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
bsfs:dimension "1234"^^xsd:integer .
bse:foo rdfs:subClassOf bsfs:Feature ;
bsfs:dimension "4321"^^xsd:integer . # conflicting dimension
''')
# cannot assign multiple conflicting dtypes to the same feature
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
bsfs:dtype bsfs:f32 .
bse:foo rdfs:subClassOf bsfs:Feature ;
bsfs:dtype bsfs:f16 . # conflicting dtype
''')
# cannot assign multiple conflicting distance metrics to the same feature
self.assertRaises(errors.ConsistencyError, from_string, '''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bsfs:Entity rdfs:subClassOf bsfs:Node .
bse:foo rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Node ;
bsfs:distance bsfs:euclidean .
bse:foo rdfs:subClassOf bsfs:Feature ;
bsfs:distance bsfs:cosine . # conflicting distance
''')
# features can have annotations
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bse:colors rdfs:subClassOf bsfs:Feature ;
bsfs:dimension "1234"^^xsd:integer .
''').predicate(ns.bse.colors).annotations, {})
self.assertDictEqual(from_string('''
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
bse:colors rdfs:subClassOf bsfs:Feature ;
bsfs:dimension "1234"^^xsd:integer ;
rdfs:label "hello world"^^xsd:string ;
bsfs:foo "1234"^^xsd:integer .
''').predicate(ns.bse.colors).annotations, {
ns.rdfs.label: 'hello world',
ns.bsfs.foo: 1234,
})
def test_integration(self):
# nodes
n_ent = types.ROOT_NODE.get_child(ns.bsfs.Entity)
n_tag = types.ROOT_NODE.get_child(ns.bsfs.Tag)
n_image = n_ent.get_child(ns.bsfs.Image)
# literals
l_string = types.ROOT_LITERAL.get_child(ns.xsd.string)
l_array = types.ROOT_LITERAL.get_child(ns.bsfs.array)
l_integer = types.ROOT_LITERAL.get_child(ns.xsd.integer)
l_boolean = types.ROOT_LITERAL.get_child(ns.xsd.boolean)
# predicates
p_annotation = types.ROOT_PREDICATE.get_child(ns.bsfs.Annotation)
p_tag = types.ROOT_PREDICATE.get_child(ns.bse.tag, domain=n_ent, range=n_tag)
p_group = p_tag.get_child(ns.bse.group, domain=n_image, unique=True)
p_comment = p_annotation.get_child(ns.bse.comment, range=l_string)
# features
f_colors = types.ROOT_FEATURE.get_child(URI('http://bsfs.ai/schema/Feature/colors_spatial'),
domain=n_ent, range=l_array, unique=True, dtype=ns.bsfs.f16, distance=ns.bsfs.euclidean)
f_colors1234 = f_colors.get_child(URI('http://bsfs.ai/schema/Feature/colors_spatial#1234'), dimension=1024)
f_colors4321 = f_colors.get_child(URI('http://bsfs.ai/schema/Feature/colors_spatial#4321'), dimension=2048)
# schema
ref = Schema(
{p_annotation, p_tag, p_group, p_comment, f_colors, f_colors1234, f_colors4321},
{n_ent, n_tag, n_image},
{l_string, l_integer, l_boolean})
# load from string
gen = from_string('''
# generic prefixes
prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#>
prefix xsd: <http://www.w3.org/2001/XMLSchema#>
# bsfs prefixes
prefix bsfs: <http://bsfs.ai/schema/>
prefix bse: <http://bsfs.ai/schema/Entity#>
# nodes
bsfs:Entity rdfs:subClassOf bsfs:Node ;
rdfs:label "Principal node"^^xsd:string .
bsfs:Tag rdfs:subClassOf bsfs:Node ;
rdfs:label "Tag"^^xsd:string .
bsfs:Image rdfs:subClassOf bsfs:Entity .
# literals
xsd:string rdfs:subClassOf bsfs:Literal ;
rdfs:label "A sequence of characters"^^xsd:string .
bsfs:array rdfs:subClassOf bsfs:Literal .
xsd:integer rdfs:subClassOf bsfs:Literal .
xsd:boolean rdfs:subClassOf bsfs:Literal .
# abstract predicates
bsfs:Annotation rdfs:subClassOf bsfs:Predicate ;
rdfs:label "node annotation"^^xsd:string .
bsfs:Feature rdfs:subClassOf bsfs:Predicate .
# feature instances
<http://bsfs.ai/schema/Feature/colors_spatial> rdfs:subClassOf bsfs:Feature ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:array ;
bsfs:unique "true"^^xsd:boolean ;
bsfs:dtype bsfs:f16 ;
bsfs:distance bsfs:euclidean ;
# annotations
rdfs:label "ColorsSpatial instances. Dimension depends on instance."^^xsd:string ;
bsfs:first_arg "1234"^^xsd:integer ;
bsfs:second_arg "hello world"^^xsd:string .
<http://bsfs.ai/schema/Feature/colors_spatial#1234> rdfs:subClassOf <http://bsfs.ai/schema/Feature/colors_spatial> ;
bsfs:dimension "1024"^^xsd:integer ;
rdfs:label "Main colors spatial instance"^^xsd:string .
<http://bsfs.ai/schema/Feature/colors_spatial#4321> rdfs:subClassOf <http://bsfs.ai/schema/Feature/colors_spatial> ;
bsfs:dimension "2048"^^xsd:integer .
# predicate instances
bse:tag rdfs:subClassOf bsfs:Predicate ;
rdfs:domain bsfs:Entity ;
rdfs:range bsfs:Tag ;
bsfs:unique "false"^^xsd:boolean ;
# annotations
rdfs:label "connect entity to a tag"^^xsd:string .
bse:group rdfs:subClassOf bse:tag ; # subtype of another predicate
rdfs:domain bsfs:Image ;
bsfs:unique "true"^^xsd:boolean .
bse:comment rdfs:subClassOf bsfs:Annotation ; # subtype of abstract predicate
rdfs:domain bsfs:Node ;
rdfs:range xsd:string ;
bsfs:unique "false"^^xsd:boolean .
''')
# schemas are equal
self.assertEqual(ref, gen)
# check annotations
self.assertDictEqual(gen.node(ns.bsfs.Entity).annotations, {ns.rdfs.label: 'Principal node'})
self.assertDictEqual(gen.node(ns.bsfs.Tag).annotations, {ns.rdfs.label: 'Tag'})
self.assertDictEqual(gen.literal(ns.xsd.string).annotations, {ns.rdfs.label: 'A sequence of characters'})
self.assertDictEqual(gen.predicate(ns.bsfs.Annotation).annotations, {ns.rdfs.label: 'node annotation'})
self.assertDictEqual(gen.predicate(URI('http://bsfs.ai/schema/Feature/colors_spatial')).annotations, {
ns.rdfs.label: 'ColorsSpatial instances. Dimension depends on instance.',
ns.bsfs.first_arg: 1234,
ns.bsfs.second_arg: 'hello world',
})
self.assertDictEqual(gen.predicate(URI('http://bsfs.ai/schema/Feature/colors_spatial#1234')).annotations, {
ns.rdfs.label: 'Main colors spatial instance'})
self.assertDictEqual(gen.predicate(ns.bse.tag).annotations, {ns.rdfs.label: 'connect entity to a tag'})
class TestToString(unittest.TestCase):
def test_stub(self):
raise NotImplementedError()
## main ##
if __name__ == '__main__':
unittest.main()
## EOF ##
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