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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.term.real;
import org.hamcrest.Matcher;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
import tools.refinery.store.query.term.int_.IntTerms;
import tools.refinery.store.query.valuation.Valuation;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.*;
class RealTermEvaluateTest {
public static final double TOLERANCE = 1e-6;
private static Matcher<Double> closeToOrNull(Double expected) {
return expected == null ? nullValue(Double.class) : closeTo(expected, TOLERANCE);
}
@ParameterizedTest(name = "+{0} == {1}")
@CsvSource(value = {
"2.5, 2.5",
"null, null"
}, nullValues = "null")
void plusTest(Double a, Double result) {
var term = RealTerms.plus(RealTerms.constant(a));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "-{0} == {1}")
@CsvSource(value = {
"2.5, -2.5",
"null, null"
}, nullValues = "null")
void minusTest(Double a, Double result) {
var term = RealTerms.minus(RealTerms.constant(a));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "{0} + {1} == {2}")
@CsvSource(value = {
"1.2, 2.3, 3.5",
"null, 2.3, null",
"1.2, null, null",
"null, null, null"
}, nullValues = "null")
void addTest(Double a, Double b, Double result) {
var term = RealTerms.add(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "{0} - {1} == {2}")
@CsvSource(value = {
"1.2, 3.4, -2.2",
"null, 3.4, null",
"1.2, null, null",
"null, null, null"
}, nullValues = "null")
void subTest(Double a, Double b, Double result) {
var term = RealTerms.sub(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "{0} * {1} == {2}")
@CsvSource(value = {
"2.3, 3.4, 7.82",
"null, 3.4, null",
"2.3, null, null",
"null, null, null"
}, nullValues = "null")
void mulTest(Double a, Double b, Double result) {
var term = RealTerms.mul(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "{0} * {1} == {2}")
@CsvSource(value = {
"7.82, 3.4, 2.3",
"null, 3.4, null",
"7.82, null, null",
"null, null, null"
}, nullValues = "null")
void divTest(Double a, Double b, Double result) {
var term = RealTerms.div(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "{0} ** {1} == {2}")
@CsvSource(value = {
"2.0, 6.0, 64.0",
"null, 6.0, null",
"2.0, null, null",
"null, null, null"
}, nullValues = "null")
void powTest(Double a, Double b, Double result) {
var term = RealTerms.pow(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "min({0}, {1}) == {2}")
@CsvSource(value = {
"1.5, 2.7, 1.5",
"2.7, 1.5, 1.5",
"null, 2.7, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void minTest(Double a, Double b, Double result) {
var term = RealTerms.min(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "max({0}, {1}) == {2}")
@CsvSource(value = {
"1.5, 2.7, 2.7",
"2.7, 1.7, 2.7",
"null, 2.7, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void maxTest(Double a, Double b, Double result) {
var term = RealTerms.max(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
@ParameterizedTest(name = "({0} == {1}) == {2}")
@CsvSource(value = {
"1.5, 1.5, true",
"1.5, 2.7, false",
"null, 1.5, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void eqTest(Double a, Double b, Boolean result) {
var term = RealTerms.eq(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Boolean.class));
assertThat(term.evaluate(Valuation.empty()), is(result));
}
@ParameterizedTest(name = "({0} != {1}) == {2}")
@CsvSource(value = {
"1.5, 1.5, false",
"1.5, 2.7, true",
"null, 1.5, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void notEqTest(Double a, Double b, Boolean result) {
var term = RealTerms.notEq(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Boolean.class));
assertThat(term.evaluate(Valuation.empty()), is(result));
}
@ParameterizedTest(name = "({0} < {1}) == {2}")
@CsvSource(value = {
"1.5, -2.7, false",
"1.5, 1.5, false",
"1.5, 2.7, true",
"null, 1.5, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void lessTest(Double a, Double b, Boolean result) {
var term = RealTerms.less(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Boolean.class));
assertThat(term.evaluate(Valuation.empty()), is(result));
}
@ParameterizedTest(name = "({0} <= {1}) == {2}")
@CsvSource(value = {
"1.5, -2.7, false",
"1.5, 1.5, true",
"1.5, 2.7, true",
"null, 1.5, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void lessEqTest(Double a, Double b, Boolean result) {
var term = RealTerms.lessEq(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Boolean.class));
assertThat(term.evaluate(Valuation.empty()), is(result));
}
@ParameterizedTest(name = "({0} > {1}) == {2}")
@CsvSource(value = {
"1.5, -2.7, true",
"1.5, 1.5, false",
"1.5, 2.7, false",
"null, 1.5, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void greaterTest(Double a, Double b, Boolean result) {
var term = RealTerms.greater(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Boolean.class));
assertThat(term.evaluate(Valuation.empty()), is(result));
}
@ParameterizedTest(name = "({0} >= {1}) == {2}")
@CsvSource(value = {
"1.5, -2.7, true",
"1.5, 1.5, true",
"1.5, 2.7, false",
"null, 1.5, null",
"1.5, null, null",
"null, null, null"
}, nullValues = "null")
void greaterEqTest(Double a, Double b, Boolean result) {
var term = RealTerms.greaterEq(RealTerms.constant(a), RealTerms.constant(b));
assertThat(term.getType(), is(Boolean.class));
assertThat(term.evaluate(Valuation.empty()), is(result));
}
@ParameterizedTest(name = "{0} as real == {1}")
@CsvSource(value = {
"0, 0.0",
"5, 5.0",
"null, null"
}, nullValues = "null")
void asRealTest(Integer a, Double result) {
var term = RealTerms.asReal(IntTerms.constant(a));
assertThat(term.getType(), is(Double.class));
assertThat(term.evaluate(Valuation.empty()), closeToOrNull(result));
}
}
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