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

Example 56 with Match

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

the class MatchTest method testSelectRuleTypes.

@Test
public void testSelectRuleTypes() {
    Match query = qb.match(x.sub(RULE.getLabel().getValue()));
    assertThat(query, variable(x, containsInAnyOrder(rule, materializeRule, expectationRule)));
}

Example 57 with Match

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

the class MatchTest method testRegexResourceType.

@Test
public void testRegexResourceType() {
    Match query = qb.match(x.regex("(fe)?male"));
    assertThat(query, variable(x, contains(gender)));
}

Example 58 with Match

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

the class MatchTest method whenReferringToImplicitRelationsAndRoles_DontHideResults.

@Test
public void whenReferringToImplicitRelationsAndRoles_DontHideResults() {
    VarPattern hasTitle = label(HAS.getLabel("title"));
    VarPattern titleOwner = label(HAS_OWNER.getLabel("title"));
    VarPattern titleValue = label(HAS_VALUE.getLabel("title"));
    Match hasQuery = qb.match(y.has("title", z));
    Match explicitQuery = qb.match(var().isa(hasTitle).rel(titleOwner, y).rel(titleValue, z));
    assertEquals(hasQuery.stream().collect(toSet()), explicitQuery.stream().collect(toSet()));
}

Example 59 with Match

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

the class MatchTest method testVariableAsRoleType.

@Test
public void testVariableAsRoleType() {
    Match query = qb.match(var().rel(var().label("genre-of-production"), y));
    assertThat(query, variable(y, containsInAnyOrder(crime, drama, war, action, comedy, family, musical, fantasy)));
}

Example 60 with Match

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

the class MatchTest method testMatchAllDistinctPairs.

@Test
public void testMatchAllDistinctPairs() {
    int numConcepts = (int) qb.match(x).stream().count();
    Match pairs = qb.match(x.neq(y));
    // We expect there to be a result for every distinct pair of concepts
    assertThat(pairs, iterableWithSize(numConcepts * (numConcepts - 1)));
}