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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.dnf;
import org.junit.jupiter.api.Test;
import tools.refinery.store.query.term.NodeVariable;
import tools.refinery.store.query.term.Variable;
import tools.refinery.store.query.view.AnySymbolView;
import tools.refinery.store.query.view.KeyOnlyView;
import tools.refinery.store.representation.Symbol;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
class HashCodeTest {
private static final Symbol<Boolean> person = Symbol.of("Person", 1);
private static final Symbol<Boolean> friend = Symbol.of("friend", 2);
private static final AnySymbolView personView = new KeyOnlyView<>(person);
private static final AnySymbolView friendView = new KeyOnlyView<>(friend);
private static final NodeVariable p = Variable.of("p");
private static final NodeVariable q = Variable.of("q");
@Test
void flatEqualsTest() {
var expected = Dnf.builder("Expected").parameters(q).clause(personView.call(q)).build();
var actual = Dnf.builder("Actual").parameters(p).clause(personView.call(p)).build();
assertThat(actual.hashCodeWithSubstitution(), is(expected.hashCodeWithSubstitution()));
}
@Test
void flatNotEqualsTest() {
var expected = Dnf.builder("Expected").parameters(q).clause(friendView.call(q, q)).build();
var actual = Dnf.builder("Actual").parameters(p).clause(friendView.call(p, q)).build();
assertThat(actual.hashCodeWithSubstitution(), not(expected.hashCodeWithSubstitution()));
}
@Test
void deepEqualsTest() {
var expected2 = Dnf.builder("Expected2").parameters(p).clause(personView.call(p)).build();
var expected = Dnf.builder("Expected").parameters(q).clause(
expected2.call(q)
).build();
var actual = Dnf.builder("Actual").parameters(q).clause(
expected2.call(q)
).build();
assertThat(actual.hashCodeWithSubstitution(), is(expected.hashCodeWithSubstitution()));
}
@Test
void deepNotEqualsTest() {
var expected = Dnf.builder("Expected").parameters(q).clause(
Dnf.builder("Expected2").parameters(p).clause(personView.call(p)).build().call(q)
).build();
var actual = Dnf.builder("Actual").parameters(q).clause(
Dnf.builder("Actual2").parameters(p).clause(personView.call(p)).build().call(q)
).build();
assertThat(actual.hashCodeWithSubstitution(), not(expected.hashCodeWithSubstitution()));
}
}
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