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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.tests;
import org.junit.jupiter.api.Test;
import tools.refinery.store.query.dnf.Dnf;
import tools.refinery.store.query.term.NodeVariable;
import tools.refinery.store.query.term.ParameterDirection;
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.CoreMatchers.containsString;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static tools.refinery.store.query.tests.QueryMatchers.structurallyEqualTo;
class StructurallyEqualToTest {
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, structurallyEqualTo(expected));
}
@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();
var assertion = structurallyEqualTo(expected);
assertThrows(AssertionError.class, () -> assertThat(actual, assertion));
}
@Test
void deepEqualsTest() {
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, structurallyEqualTo(expected));
}
@Test
void deepNotEqualsTest() {
var expected = Dnf.builder("Expected").parameters(q).clause(
Dnf.builder("Expected2").parameters(p).clause(friendView.call(p, p)).build().call(q)
).build();
var actual = Dnf.builder("Actual").parameter(q).clause(
Dnf.builder("Actual2").parameters(p).clause(friendView.call(p, q)).build().call(q)
).build();
var assertion = structurallyEqualTo(expected);
var error = assertThrows(AssertionError.class, () -> assertThat(actual, assertion));
assertThat(error.getMessage(), containsString(" called from Expected/1 "));
}
@Test
void parameterListLengthMismatchTest() {
var expected = Dnf.builder("Expected").parameter(p).clause(
friendView.call(p, p)
).build();
var actual = Dnf.builder("Actual").parameters(p, q).clause(
friendView.call(p, q)
).build();
var assertion = structurallyEqualTo(expected);
assertThrows(AssertionError.class, () -> assertThat(actual, assertion));
}
@Test
void parameterDirectionMismatchTest() {
var expected = Dnf.builder("Expected").parameter(p, ParameterDirection.OUT).clause(
personView.call(p)
).build();
var actual = Dnf.builder("Actual").parameter(p, ParameterDirection.IN).clause(
personView.call(p)
).build();
var assertion = structurallyEqualTo(expected);
assertThrows(AssertionError.class, () -> assertThat(actual, assertion));
}
@Test
void clauseCountMismatchTest() {
var expected = Dnf.builder("Expected")
.parameters(p, q)
.clause(friendView.call(p, q))
.clause(friendView.call(q, p))
.build();
var actual = Dnf.builder("Actual").parameters(p, q).clause(
friendView.call(p, q)
).build();
var assertion = structurallyEqualTo(expected);
assertThrows(AssertionError.class, () -> assertThat(actual, assertion));
}
@Test
void literalCountMismatchTest() {
var expected = Dnf.builder("Expected").parameters(p, q).clause(
friendView.call(p, q),
friendView.call(q, p)
).build();
var actual = Dnf.builder("Actual").parameters(p, q).clause(
friendView.call(p, q)
).build();
var assertion = structurallyEqualTo(expected);
assertThrows(AssertionError.class, () -> assertThat(actual, assertion));
}
}
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