Examples with Match ai.grakn.graql.Match used on opensource projects

Example 26 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method testKermitIsRelatedToSelf.

@Test
public void testKermitIsRelatedToSelf() {
    Match query = qb.match(var().rel(x).rel(y).isa("has-cast"), y.has("name", "Kermit The Frog"));
    assertThat(query, variable(x, (Matcher) hasItem(kermitTheFrog)));
}

Example 27 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method testDistinctRoleplayers.

@Test
public void testDistinctRoleplayers() {
    Match query = qb.match(var().rel(x).rel(y).rel(z).isa("has-cast"));
    assertNotEquals(0, query.stream().count());
    // Make sure none of the resulting relationships have 3 role-players all the same
    query.forEach(result -> {
        Concept cx = result.get(x);
        Concept cy = result.get(y);
        Concept cz = result.get(z);
        assertThat(cx, not(allOf(is(cy), is(cz))));
    });
}

Example 28 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method testValueQuery.

@Test
public void testValueQuery() {
    Var tgf = var("tgf");
    Match query = qb.match(tgf.val("Godfather"));
    assertThat(query, variable(tgf, contains(both(hasValue("Godfather")).and(hasType(title)))));
}

Example 29 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class DeleteQueryTest method testDeleteAllRolePlayers.

@Test
public void testDeleteAllRolePlayers() {
    ConceptId id = kurtzCastRelation.get("a").findFirst().get().getId();
    Match relation = qb.match(var().id(id));
    assertExists(kurtz);
    assertExists(marlonBrando);
    assertExists(apocalypseNow);
    assertExists(relation);
    kurtz.delete(x).execute();
    assertNotExists(kurtz);
    assertExists(marlonBrando);
    assertExists(apocalypseNow);
    assertExists(relation);
    marlonBrando.delete(x).execute();
    assertNotExists(kurtz);
    assertNotExists(marlonBrando);
    assertExists(apocalypseNow);
    assertExists(relation);
    apocalypseNow.delete(x).execute();
    assertNotExists(kurtz);
    assertNotExists(marlonBrando);
    assertNotExists(apocalypseNow);
    assertNotExists(relation);
}

Example 30 with Match

use of ai.grakn.graql.Match in project grakn by graknlabs.

the class MatchTest method whenExecutingContainsPredicateWithVariable_ReturnExpectedResults.

@Test
public void whenExecutingContainsPredicateWithVariable_ReturnExpectedResults() {
    Match query = qb.match(x.val("Sarah Jessica Parker").val(contains(z)), y.has("name", z));
    assertThat(query, variable(y, containsInAnyOrder(sarah, sarahJessicaParker)));
}