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package tools.refinery.store.query;
import org.junit.jupiter.api.Test;
import tools.refinery.store.query.dnf.Dnf;
import tools.refinery.store.query.literal.BooleanLiteral;
import tools.refinery.store.query.term.Variable;
import tools.refinery.store.query.view.KeyOnlyRelationView;
import tools.refinery.store.representation.Symbol;
import static org.hamcrest.MatcherAssert.assertThat;
import static tools.refinery.store.query.literal.Literals.not;
import static tools.refinery.store.query.tests.QueryMatchers.structurallyEqualTo;
class DnfBuilderTest {
@Test
void eliminateTrueTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var actual = Dnf.builder()
.parameters(p, q)
.clause(BooleanLiteral.TRUE, friendView.call(p, q))
.build();
var expected = Dnf.builder().parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void eliminateFalseTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(friendView.call(q, p), BooleanLiteral.FALSE)
.build();
var expected = Dnf.builder().parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void alwaysTrueTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(BooleanLiteral.TRUE)
.build();
var expected = Dnf.builder().parameters(p, q).clause().build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void alwaysFalseTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q), BooleanLiteral.FALSE)
.build();
var expected = Dnf.builder().parameters(p, q).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void eliminateTrueDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var trueDnf = Dnf.builder().parameter(p).clause().build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(trueDnf.call(q), friendView.call(p, q))
.build();
var expected = Dnf.builder().parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void eliminateFalseDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var falseDnf = Dnf.builder().parameter(p).build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(friendView.call(q, p), falseDnf.call(q))
.build();
var expected = Dnf.builder().parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void alwaysTrueDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var trueDnf = Dnf.builder().parameter(p).clause().build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(trueDnf.call(q))
.build();
var expected = Dnf.builder().parameters(p, q).clause().build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void alwaysFalseDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var falseDnf = Dnf.builder().parameter(p).build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q), falseDnf.call(q))
.build();
var expected = Dnf.builder().parameters(p, q).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void eliminateNotFalseDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var falseDnf = Dnf.builder().parameter(p).build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(not(falseDnf.call(q)), friendView.call(p, q))
.build();
var expected = Dnf.builder().parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void eliminateNotTrueDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var trueDnf = Dnf.builder().parameter(p).clause().build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(friendView.call(q, p), not(trueDnf.call(q)))
.build();
var expected = Dnf.builder().parameters(p, q).clause(friendView.call(p, q)).build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void alwaysNotFalseDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var falseDnf = Dnf.builder().parameter(p).build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(not(falseDnf.call(q)))
.build();
var expected = Dnf.builder().parameters(p, q).clause().build();
assertThat(actual, structurallyEqualTo(expected));
}
@Test
void alwaysNotTrueDnfTest() {
var p = Variable.of("p");
var q = Variable.of("q");
var friend = new Symbol<>("friend", 2, Boolean.class, false);
var friendView = new KeyOnlyRelationView<>(friend);
var trueDnf = Dnf.builder().parameter(p).clause().build();
var actual = Dnf.builder()
.parameters(p, q)
.clause(friendView.call(p, q), not(trueDnf.call(q)))
.build();
var expected = Dnf.builder().parameters(p, q).build();
assertThat(actual, structurallyEqualTo(expected));
}
}
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