use of com.vaticle.typedb.core.logic.Rule in project grakn by graknlabs.
the class UnifyHasConcludableTest method has_one_to_many_unifier.
@Test
public void has_one_to_many_unifier() {
String conjunction = "{ $b has attribute $b; }";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Has queryConcludable = concludables.iterator().next().asHas();
Rule rule = createRule("has-rule", "{ $x isa self-owning-attribute; }", "$x has self-owning-attribute 5", logicMgr);
List<Unifier> unifiers = queryConcludable.unify(rule.conclusion(), conceptMgr).toList();
assertEquals(1, unifiers.size());
Unifier unifier = unifiers.get(0);
Map<String, Set<String>> result = getStringMapping(unifier.mapping());
Map<String, Set<String>> expected = new HashMap<String, Set<String>>() {
{
put("$b", set("$x", "$_0"));
}
};
assertEquals(expected, result);
// test requirements of one-to-many using valid answer
Map<Identifier.Variable, Concept> concepts = map(pair(Identifier.Variable.name("x"), instanceOf("self-owning-attribute")), pair(Identifier.Variable.anon(0), instanceOf("self-owning-attribute")));
FunctionalIterator<ConceptMap> unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertTrue(unified.hasNext());
assertEquals(1, unified.next().concepts().size());
// test requirements of one-to-many using invalid answer
concepts = map(pair(Identifier.Variable.name("x"), instanceOf("person")), pair(Identifier.Variable.anon(0), instanceOf("age")));
unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertFalse(unified.hasNext());
}
use of com.vaticle.typedb.core.logic.Rule in project grakn by graknlabs.
the class UnifyHasConcludableTest method has_attribute_exact_unifies_rule_has_variable.
@Test
public void has_attribute_exact_unifies_rule_has_variable() {
String conjunction = "{ $y has name 'john'; }";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Has queryConcludable = concludables.iterator().next().asHas();
Rule rule = createRule("has-rule", "{ $x isa person; $a isa first-name; }", "$x has $a", logicMgr);
List<Unifier> unifiers = queryConcludable.unify(rule.conclusion(), conceptMgr).toList();
assertEquals(1, unifiers.size());
Unifier unifier = unifiers.get(0);
Map<String, Set<String>> result = getStringMapping(unifier.mapping());
HashMap<String, Set<String>> expected = new HashMap<String, Set<String>>() {
{
put("$y", set("$x"));
put("$_0", set("$a"));
}
};
assertEquals(expected, result);
// test requirements
assertEquals(0, unifier.requirements().types().size());
assertEquals(2, unifier.requirements().isaExplicit().size());
assertEquals(set(Label.of("first-name"), Label.of("last-name")), unifier.requirements().isaExplicit().get(Identifier.Variable.anon(0)));
assertEquals(1, unifier.requirements().predicates().size());
// test filter allows a valid answer
Map<Identifier.Variable, Concept> concepts = map(pair(Identifier.Variable.name("x"), instanceOf("person")), pair(Identifier.Variable.name("a"), instanceOf("last-name", "john")));
FunctionalIterator<ConceptMap> unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertTrue(unified.hasNext());
assertEquals(2, unified.next().concepts().size());
// filter out invalid type
concepts = map(pair(Identifier.Variable.name("x"), instanceOf("person")), pair(Identifier.Variable.name("a"), instanceOf("age")));
unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertFalse(unified.hasNext());
// filter out invalid value
concepts = map(pair(Identifier.Variable.name("x"), instanceOf("person")), pair(Identifier.Variable.name("a"), instanceOf("first-name", "bob")));
unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertFalse(unified.hasNext());
}
use of com.vaticle.typedb.core.logic.Rule in project grakn by graknlabs.
the class UnifyHasConcludableTest method has_attribute_typed_variable_unifies_rule_has_variable.
@Test
public void has_attribute_typed_variable_unifies_rule_has_variable() {
String conjunction = "{ $y has name $b; }";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Has queryConcludable = concludables.iterator().next().asHas();
Rule rule = createRule("has-rule", "{ $x isa person; $a isa first-name; }", "$x has $a", logicMgr);
List<Unifier> unifiers = queryConcludable.unify(rule.conclusion(), conceptMgr).toList();
assertEquals(1, unifiers.size());
Unifier unifier = unifiers.get(0);
Map<String, Set<String>> result = getStringMapping(unifier.mapping());
HashMap<String, Set<String>> expected = new HashMap<String, Set<String>>() {
{
put("$y", set("$x"));
put("$b", set("$a"));
}
};
assertEquals(expected, result);
// test requirements
assertEquals(0, unifier.requirements().types().size());
assertEquals(2, unifier.requirements().isaExplicit().size());
assertEquals(set(Label.of("first-name"), Label.of("last-name")), unifier.requirements().isaExplicit().get(Identifier.Variable.name("b")));
assertEquals(0, unifier.requirements().predicates().size());
// test filter allows a valid answer
Map<Identifier.Variable, Concept> concepts = map(pair(Identifier.Variable.name("x"), instanceOf("person")), pair(Identifier.Variable.name("a"), instanceOf("first-name", "john")));
FunctionalIterator<ConceptMap> unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertTrue(unified.hasNext());
assertEquals(2, unified.next().concepts().size());
// filter out invalid type
concepts = map(pair(Identifier.Variable.name("x"), instanceOf("person")), pair(Identifier.Variable.name("a"), instanceOf("age")));
unified = unifier.unUnify(concepts, new Unifier.Requirements.Instance(map()));
assertFalse(unified.hasNext());
}
use of com.vaticle.typedb.core.logic.Rule in project grakn by graknlabs.
the class UnifyRelationConcludableTest method relation_duplicate_roles_unifies_rule_relation_duplicate_roles.
// [reflexive parent, child]
@Test
public void relation_duplicate_roles_unifies_rule_relation_duplicate_roles() {
String conjunction = "{ (employee: $p, employee: $p) isa employment; }";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Relation queryConcludable = concludables.iterator().next().asRelation();
Rule rule = createRule("a-person-is-employed-twice", "{ $x isa person; $employment type employment; $employee type employment:employee; }", "($employee: $x, $employee: $x) isa $employment", logicMgr);
FunctionalIterator<Unifier> unifier = queryConcludable.unify(rule.conclusion(), conceptMgr);
Set<Map<String, Set<String>>> result = unifier.map(u -> getStringMapping(u.mapping())).toSet();
Set<Map<String, Set<String>>> expected = set(new HashMap<String, Set<String>>() {
{
put("$p", set("$x"));
put("$_0", set("$_0"));
}
});
assertEquals(expected, result);
}
use of com.vaticle.typedb.core.logic.Rule in project grakn by graknlabs.
the class UnifyRelationConcludableTest method relation_variables_one_to_many_unifiers.
// TODO tests below do not test for requirements and unifier application to answers
// [Single VARIABLE ROLE in parent]
@Test
public void relation_variables_one_to_many_unifiers() {
String conjunction = "{ ($role: $p) isa employment; }";
Set<Concludable> concludables = Concludable.create(resolvedConjunction(conjunction, logicMgr));
Concludable.Relation queryConcludable = concludables.iterator().next().asRelation();
Rule rule = createRule("three-people-are-employed", "{ $x isa person; $y isa person; $z isa person; }", "(employee: $x, employee: $y, employee: $z) isa employment", logicMgr);
FunctionalIterator<Unifier> unifier = queryConcludable.unify(rule.conclusion(), conceptMgr);
Set<Map<String, Set<String>>> result = unifier.map(u -> getStringMapping(u.mapping())).toSet();
Set<Map<String, Set<String>>> expected = set(new HashMap<String, Set<String>>() {
{
put("$p", set("$x"));
put("$role", set("$_employment:employee"));
put("$_0", set("$_0"));
}
}, new HashMap<String, Set<String>>() {
{
put("$p", set("$y"));
put("$role", set("$_employment:employee"));
put("$_0", set("$_0"));
}
}, new HashMap<String, Set<String>>() {
{
put("$p", set("$z"));
put("$role", set("$_employment:employee"));
put("$_0", set("$_0"));
}
});
assertEquals(expected, result);
}
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