Examples with InIsaFragment ai.grakn.graql.internal.gremlin.fragment.InIsaFragment used on opensource projects

Example 6 with InIsaFragment

use of ai.grakn.graql.internal.gremlin.fragment.InIsaFragment in project grakn by graknlabs.

the class QueryPlannerTest method inferRelationshipTypeWithMoreThan2Roles.

@Test
public void inferRelationshipTypeWithMoreThan2Roles() {
    Pattern pattern;
    ImmutableList<Fragment> plan;
    pattern = and(x.isa(thingy1), y.isa(thingy2), z.isa(thingy3), var().rel(x).rel(y).rel(z));
    plan = getPlan(pattern);
    assertEquals(3L, plan.stream().filter(LabelFragment.class::isInstance).count());
    pattern = and(x.isa(thingy1), y.isa(thingy2), z.isa(thingy4), var().rel(x).rel(y).rel(z));
    plan = getPlan(pattern);
    // Relationship type can now be inferred, so one more relationship type label
    assertEquals(4L, plan.stream().filter(LabelFragment.class::isInstance).count());
    assertEquals(4L, plan.stream().filter(fragment -> fragment instanceof OutIsaFragment || fragment instanceof InIsaFragment).count());
}