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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.language.tests.scoping;
import com.google.inject.Inject;
import org.eclipse.xtext.testing.InjectWith;
import org.eclipse.xtext.testing.extensions.InjectionExtension;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;
import org.junit.jupiter.params.provider.MethodSource;
import org.junit.jupiter.params.provider.ValueSource;
import tools.refinery.language.model.tests.utils.ProblemParseHelper;
import tools.refinery.language.model.tests.utils.WrappedProblem;
import tools.refinery.language.tests.ProblemInjectorProvider;
import java.util.stream.Stream;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
@ExtendWith(InjectionExtension.class)
@InjectWith(ProblemInjectorProvider.class)
class NodeScopingTest {
@Inject
private ProblemParseHelper parseHelper;
@ParameterizedTest
@ValueSource(strings = { "", "builtin::" })
void builtInArgumentTypeTest(String qualifiedNamePrefix) {
var problem = parse("""
pred predicate({PARAM}node a).
""", qualifiedNamePrefix);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.pred("predicate").param(0).getParameterType(),
equalTo(problem.builtin().findClass("node").get()));
}
@Test
void implicitNodeInAssertionTest() {
var problem = parse("""
pred predicate(node x, node y) <-> node(x).
predicate(a, a).
?predicate(a, b).
""");
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), hasItems("a", "b"));
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.node("a")));
assertThat(problem.assertion(0).arg(1).node(), equalTo(problem.node("a")));
assertThat(problem.assertion(1).arg(0).node(), equalTo(problem.node("a")));
assertThat(problem.assertion(1).arg(1).node(), equalTo(problem.node("b")));
}
@Test
void implicitNodeInPredicateTest() {
var problem = parse("""
pred predicate(node a) <-> node(b).
predicate(b).
""");
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), hasItems("b"));
assertThat(problem.pred("predicate").conj(0).lit(0).arg(0).node(), equalTo(problem.node("b")));
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.node("b")));
}
@ParameterizedTest
@MethodSource("individualNodeReferenceSource")
void individualNodeInAssertionTest(String qualifiedNamePrefix, boolean namedProblem) {
var problem = parse("""
indiv a, b.
pred predicate(node x, node y) <-> node(x).
predicate({PARAM}a, {PARAM}a).
?predicate({PARAM}a, {PARAM}b).
""", qualifiedNamePrefix, namedProblem);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.individualNode("a")));
assertThat(problem.assertion(0).arg(1).node(), equalTo(problem.individualNode("a")));
assertThat(problem.assertion(1).arg(0).node(), equalTo(problem.individualNode("a")));
assertThat(problem.assertion(1).arg(1).node(), equalTo(problem.individualNode("b")));
}
@ParameterizedTest
@MethodSource("individualNodeReferenceSource")
void individualNodeInPredicateTest(String qualifiedNamePrefix, boolean namedProblem) {
var problem = parse("""
indiv b.
pred predicate(node a) <-> node({PARAM}b).
""");
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.pred("predicate").conj(0).lit(0).arg(0).node(), equalTo(problem.individualNode("b")));
}
static Stream<Arguments> individualNodeReferenceSource() {
return Stream.of(Arguments.of("", false), Arguments.of("", true), Arguments.of("test::", true));
}
@Disabled("No nodes are present in builtin.problem currently")
@ParameterizedTest
@MethodSource("builtInNodeReferencesSource")
void builtInNodeTest(String qualifiedName) {
var problem = parse("""
pred predicate(node x) <-> node(x).
predicate({PARAM}).
""", qualifiedName);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.builtin().findClass("int").get().getNewNode()));
}
@Disabled("No nodes are present in builtin.problem currently")
@ParameterizedTest
@MethodSource("builtInNodeReferencesSource")
void builtInNodeInPredicateTest(String qualifiedName) {
var problem = parse("""
pred predicate(node x) <-> node({PARAM}).
""", qualifiedName);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.pred("predicate").conj(0).lit(0).arg(0).node(),
equalTo(problem.builtin().findClass("int").get().getNewNode()));
}
static Stream<Arguments> builtInNodeReferencesSource() {
return Stream.of(Arguments.of("int::new"), Arguments.of("builtin::int::new"));
}
@ParameterizedTest
@MethodSource("classNewNodeReferencesSource")
void classNewNodeTest(String qualifiedName, boolean namedProblem) {
var problem = parse("""
class Foo.
pred predicate(node x) <-> node(x).
predicate({PARAM}).
""", qualifiedName, namedProblem);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.findClass("Foo").get().getNewNode()));
}
@ParameterizedTest
@MethodSource("classNewNodeReferencesSource")
void classNewNodeInPredicateTest(String qualifiedName, boolean namedProblem) {
var problem = parse("""
class Foo.
pred predicate(node x) <-> node({PARAM}).
""", qualifiedName, namedProblem);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.pred("predicate").conj(0).lit(0).arg(0).node(),
equalTo(problem.findClass("Foo").get().getNewNode()));
}
static Stream<Arguments> classNewNodeReferencesSource() {
return Stream.of(Arguments.of("Foo::new", false), Arguments.of("Foo::new", true),
Arguments.of("test::Foo::new", true));
}
@Test
void newNodeIsNotSpecial() {
var problem = parse("""
class Foo.
pred predicate(node x) <-> node(x).
predicate(new).
""");
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), hasItems("new"));
assertThat(problem.assertion(0).arg(0).node(), not(equalTo(problem.findClass("Foo").get().getNewNode())));
}
@ParameterizedTest
@MethodSource("enumLiteralReferencesSource")
void enumLiteralTest(String qualifiedName, boolean namedProblem) {
var problem = parse("""
enum Foo { alpha, beta }
pred predicate(Foo a) <-> node(a).
predicate({PARAM}).
""", qualifiedName, namedProblem);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.findEnum("Foo").literal("alpha")));
}
@ParameterizedTest
@MethodSource("enumLiteralReferencesSource")
void enumLiteralInPredicateTest(String qualifiedName, boolean namedProblem) {
var problem = parse("""
enum Foo { alpha, beta }
pred predicate(Foo a) <-> node({PARAM}).
""", qualifiedName, namedProblem);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.pred("predicate").conj(0).lit(0).arg(0).node(),
equalTo(problem.findEnum("Foo").literal("alpha")));
}
static Stream<Arguments> enumLiteralReferencesSource() {
return Stream.of(Arguments.of("alpha", false), Arguments.of("alpha", true), Arguments.of("Foo::alpha", false),
Arguments.of("Foo::alpha", true), Arguments.of("test::alpha", true),
Arguments.of("test::Foo::alpha", true));
}
@Disabled("No enum literals are present in builtin.problem currently")
@ParameterizedTest
@MethodSource("builtInEnumLiteralReferencesSource")
void builtInEnumLiteralTest(String qualifiedName) {
var problem = parse("""
pred predicate(node a) <-> node(a).
predicate({PARAM}).
""", qualifiedName);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.assertion(0).arg(0).node(), equalTo(problem.builtin().findEnum("bool").literal("true")));
}
@Disabled("No enum literals are present in builtin.problem currently")
@ParameterizedTest
@MethodSource("builtInEnumLiteralReferencesSource")
void bultInEnumLiteralInPredicateTest(String qualifiedName) {
var problem = parse("""
pred predicate() <-> node({PARAM}).
""", qualifiedName);
assertThat(problem.getResourceErrors(), empty());
assertThat(problem.nodeNames(), empty());
assertThat(problem.pred("predicate").conj(0).lit(0).arg(0).node(),
equalTo(problem.builtin().findEnum("bool").literal("true")));
}
static Stream<Arguments> builtInEnumLiteralReferencesSource() {
return Stream.of(Arguments.of("true"), Arguments.of("bool::true"), Arguments.of("builtin::true"),
Arguments.of("builtin::bool::true"));
}
private WrappedProblem parse(String text, String parameter, boolean namedProblem) {
var problemName = namedProblem ? "problem test.\n" : "";
return parseHelper.parse(problemName + text.replace("{PARAM}", parameter));
}
private WrappedProblem parse(String text, String parameter) {
return parse(text, parameter, false);
}
private WrappedProblem parse(String text) {
return parse(text, "");
}
}
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