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

Example 96 with Match

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

the class GraqlPrinterTest method testRelationOutput.

@Test
public void testRelationOutput() {
    Printer printer = Printers.graql(true);
    Match match = rule.tx().graql().match(var("r").isa("has-cast").rel(var().has("name", "Al Pacino")).rel(var().has("name", "Michael Corleone")).rel(var().has("title", "Godfather")));
    String relationString = printer.graqlString(match.get("r").iterator().next());
    assertThat(relationString, containsString("has-cast"));
    assertThat(relationString, containsString("actor"));
    assertThat(relationString, containsString("production-with-cast"));
    assertThat(relationString, containsString("character-being-played"));
}

Example 97 with Match

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

the class GraqlPrinterTest method whenGettingOutputForResource_IncludesValueOfResource.

@Test
public void whenGettingOutputForResource_IncludesValueOfResource() {
    Printer printer = Printers.graql(false);
    Match match = rule.tx().graql().match(var("x").isa("title").val("Godfather"));
    String result = printer.graqlString(match.iterator().next());
    assertEquals("$x val \"Godfather\" isa title;", result.trim());
}

Example 98 with Match

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

the class GraqlPrinterTest method whenGettingOutputForRelation_TheResultShouldHaveCommasBetweenRolePlayers.

@Test
public void whenGettingOutputForRelation_TheResultShouldHaveCommasBetweenRolePlayers() {
    Printer printer = Printers.graql(true);
    Match match = rule.tx().graql().match(var("r").isa("has-cluster"));
    Relationship relationship = match.get("r").iterator().next().asRelationship();
    long numRolePlayers = relationship.rolePlayers().count();
    long numCommas = numRolePlayers - 1;
    String relationString = printer.graqlString(relationship);
    assertEquals(relationString + " should have " + numCommas + " commas separating role-players", numCommas, StringUtils.countMatches(relationString, ","));
}

Example 99 with Match

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

the class QueryBuilderTest method whenExecutingAMatchWithoutAGraph_Throw.

@Test
public void whenExecutingAMatchWithoutAGraph_Throw() {
    Match match = match(x.isa("movie"));
    exception.expect(GraqlQueryException.class);
    exception.expectMessage("graph");
    // noinspection ResultOfMethodCallIgnored
    match.iterator();
}

Example 100 with Match

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

the class QueryBuilderTest method whenGraphIsProvidedAndQueryExecutedWithNonexistentType_Throw.

@Test
public void whenGraphIsProvidedAndQueryExecutedWithNonexistentType_Throw() {
    Match match = match(x.isa("not-a-thing"));
    exception.expect(GraqlQueryException.class);
    // noinspection ResultOfMethodCallIgnored
    match.withTx(movieKB.tx()).stream();
}