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SpelExpressionTransformerUnitTests.java
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SpelExpressionTransformerUnitTests.java
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/*
* Copyright 2013-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.mongodb.core.aggregation;
import static org.springframework.data.mongodb.test.util.Assertions.*;
import java.util.Arrays;
import org.bson.Document;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.springframework.data.mongodb.core.Person;
/**
* Unit tests for {@link SpelExpressionTransformer}.
*
* @author Thomas Darimont
* @author Oliver Gierke
* @author Christoph Strobl
* @author Divya Srivastava
*/
public class SpelExpressionTransformerUnitTests {
private SpelExpressionTransformer transformer = new SpelExpressionTransformer();
private Data data;
@BeforeEach
void beforeEach() {
this.data = new Data();
this.data.primitiveLongValue = 42;
this.data.primitiveDoubleValue = 1.2345;
this.data.doubleValue = 23.0;
this.data.item = new DataItem();
this.data.item.primitiveIntValue = 21;
}
@Test // DATAMONGO-774
void shouldRenderConstantExpression() {
assertThat(transformValue("1")).isEqualTo("1");
assertThat(transformValue("-1")).isEqualTo("-1");
assertThat(transformValue("1.0")).isEqualTo("1.0");
assertThat(transformValue("-1.0")).isEqualTo("-1.0");
assertThat(transformValue("null")).isNull();
}
@Test // DATAMONGO-774
void shouldSupportKnownOperands() {
assertThat(transform("a + b")).isEqualTo("{ \"$add\" : [ \"$a\" , \"$b\"]}");
assertThat(transform("a - b")).isEqualTo("{ \"$subtract\" : [ \"$a\" , \"$b\"]}");
assertThat(transform("a * b")).isEqualTo("{ \"$multiply\" : [ \"$a\" , \"$b\"]}");
assertThat(transform("a / b")).isEqualTo("{ \"$divide\" : [ \"$a\" , \"$b\"]}");
assertThat(transform("a % b")).isEqualTo("{ \"$mod\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-774
void shouldThrowExceptionOnUnknownOperand() {
assertThatIllegalArgumentException().isThrownBy(() -> transform("a++"));
}
@Test // DATAMONGO-774
void shouldRenderSumExpression() {
assertThat(transform("a + 1")).isEqualTo("{ \"$add\" : [ \"$a\" , 1]}");
}
@Test // DATAMONGO-774
void shouldRenderFormula() {
assertThat(transform("(netPrice + surCharge) * taxrate + 42")).isEqualTo(
"{ \"$add\" : [ { \"$multiply\" : [ { \"$add\" : [ \"$netPrice\" , \"$surCharge\"]} , \"$taxrate\"]} , 42]}");
}
@Test // DATAMONGO-774
void shouldRenderFormulaInCurlyBrackets() {
assertThat(transform("{(netPrice + surCharge) * taxrate + 42}")).isEqualTo(
"{ \"$add\" : [ { \"$multiply\" : [ { \"$add\" : [ \"$netPrice\" , \"$surCharge\"]} , \"$taxrate\"]} , 42]}");
}
@Test // DATAMONGO-774
void shouldRenderFieldReference() {
assertThat(transformValue("foo")).isEqualTo("$foo");
assertThat(transformValue("$foo")).isEqualTo("$foo");
}
@Test // DATAMONGO-774
void shouldRenderNestedFieldReference() {
assertThat(transformValue("foo.bar")).isEqualTo("$foo.bar");
assertThat(transformValue("$foo.bar")).isEqualTo("$foo.bar");
}
@Test // DATAMONGO-774
@Disabled
void shouldRenderNestedIndexedFieldReference() {
// TODO add support for rendering nested indexed field references
assertThat(transformValue("foo[3].bar")).isEqualTo("$foo[3].bar");
}
@Test // DATAMONGO-774
void shouldRenderConsecutiveOperation() {
assertThat(transform("1 + 1 + 1")).isEqualTo("{ \"$add\" : [ 1 , 1 , 1]}");
}
@Test // DATAMONGO-774
void shouldRenderComplexExpression0() {
assertThat(transform("-(1 + q)"))
.isEqualTo("{ \"$multiply\" : [ -1 , { \"$add\" : [ 1 , \"$q\"]}]}");
}
@Test // DATAMONGO-774
void shouldRenderComplexExpression1() {
assertThat(transform("1 + (q + 1) / (q - 1)")).isEqualTo(
"{ \"$add\" : [ 1 , { \"$divide\" : [ { \"$add\" : [ \"$q\" , 1]} , { \"$subtract\" : [ \"$q\" , 1]}]}]}");
}
@Test // DATAMONGO-774
void shouldRenderComplexExpression2() {
assertThat(transform("(q + 1 + 4 - 5) / (q + 1 + 3 + 4)")).isEqualTo(
"{ \"$divide\" : [ { \"$subtract\" : [ { \"$add\" : [ \"$q\" , 1 , 4]} , 5]} , { \"$add\" : [ \"$q\" , 1 , 3 , 4]}]}");
}
@Test // DATAMONGO-774
void shouldRenderBinaryExpressionWithMixedSignsCorrectly() {
assertThat(transform("-4 + 1")).isEqualTo("{ \"$add\" : [ -4 , 1]}");
assertThat(transform("1 + -4")).isEqualTo("{ \"$add\" : [ 1 , -4]}");
}
@Test // DATAMONGO-774
void shouldRenderConsecutiveOperationsInComplexExpression() {
assertThat(transform("1 + 1 + (1 + 1 + 1) / q"))
.isEqualTo("{ \"$add\" : [ 1 , 1 , { \"$divide\" : [ { \"$add\" : [ 1 , 1 , 1]} , \"$q\"]}]}");
}
@Test // DATAMONGO-774
void shouldRenderParameterExpressionResults() {
assertThat(transform("[0] + [1] + [2]", 1, 2, 3)).isEqualTo("{ \"$add\" : [ 1 , 2 , 3]}");
}
@Test // DATAMONGO-774
void shouldRenderNestedParameterExpressionResults() {
assertThat(
((Document) transform("[0].primitiveLongValue + [0].primitiveDoubleValue + [0].doubleValue.longValue()", data))
.toJson())
.isEqualTo(Document
.parse("{ \"$add\" : [ { $numberLong : \"42\"} , 1.2345 , { $numberLong : \"23\" } ]}").toJson());
}
@Test // DATAMONGO-774
void shouldRenderNestedParameterExpressionResultsInNestedExpressions() {
Document target = ((Document) transform(
"((1 + [0].primitiveLongValue) + [0].primitiveDoubleValue) * [0].doubleValue.longValue()", data));
assertThat(
((Document) transform("((1 + [0].primitiveLongValue) + [0].primitiveDoubleValue) * [0].doubleValue.longValue()",
data)))
.isEqualTo(new Document("$multiply",
Arrays.<Object> asList(new Document("$add", Arrays.<Object> asList(1, 42L, 1.2345D)), 23L)));
}
@Test // DATAMONGO-840
void shouldRenderCompoundExpressionsWithIndexerAndFieldReference() {
Person person = new Person();
person.setAge(10);
assertThat(transform("[0].age + a.c", person)).isEqualTo("{ \"$add\" : [ 10 , \"$a.c\"] }");
}
@Test // DATAMONGO-840
void shouldRenderCompoundExpressionsWithOnlyFieldReferences() {
assertThat(transform("a.b + a.c")).isEqualTo("{ \"$add\" : [ \"$a.b\" , \"$a.c\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeAnd() {
assertThat(transform("and(a, b)")).isEqualTo("{ \"$and\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeOr() {
assertThat(transform("or(a, b)")).isEqualTo("{ \"$or\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeNot() {
assertThat(transform("not(a)")).isEqualTo("{ \"$not\" : [ \"$a\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSetEquals() {
assertThat(transform("setEquals(a, b)")).isEqualTo("{ \"$setEquals\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSetEqualsForArrays() {
assertThat(transform("setEquals(new int[]{1,2,3}, new int[]{4,5,6})"))
.isEqualTo("{ \"$setEquals\" : [ [ 1 , 2 , 3] , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSetEqualsMixedArrays() {
assertThat(transform("setEquals(a, new int[]{4,5,6})"))
.isEqualTo("{ \"$setEquals\" : [ \"$a\" , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceSetIntersection() {
assertThat(transform("setIntersection(a, new int[]{4,5,6})"))
.isEqualTo("{ \"$setIntersection\" : [ \"$a\" , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceSetUnion() {
assertThat(transform("setUnion(a, new int[]{4,5,6})"))
.isEqualTo("{ \"$setUnion\" : [ \"$a\" , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceSeDifference() {
assertThat(transform("setDifference(a, new int[]{4,5,6})"))
.isEqualTo("{ \"$setDifference\" : [ \"$a\" , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceSetIsSubset() {
assertThat(transform("setIsSubset(a, new int[]{4,5,6})"))
.isEqualTo("{ \"$setIsSubset\" : [ \"$a\" , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceAnyElementTrue() {
assertThat(transform("anyElementTrue(a)")).isEqualTo("{ \"$anyElementTrue\" : [ \"$a\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceAllElementsTrue() {
assertThat(transform("allElementsTrue(a, new int[]{4,5,6})"))
.isEqualTo("{ \"$allElementsTrue\" : [ \"$a\" , [ 4 , 5 , 6]]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceCmp() {
assertThat(transform("cmp(a, 250)")).isEqualTo("{ \"$cmp\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceEq() {
assertThat(transform("eq(a, 250)")).isEqualTo("{ \"$eq\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceGt() {
assertThat(transform("gt(a, 250)")).isEqualTo("{ \"$gt\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceGte() {
assertThat(transform("gte(a, 250)")).isEqualTo("{ \"$gte\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLt() {
assertThat(transform("lt(a, 250)")).isEqualTo("{ \"$lt\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLte() {
assertThat(transform("lte(a, 250)")).isEqualTo("{ \"$lte\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNe() {
assertThat(transform("ne(a, 250)")).isEqualTo("{ \"$ne\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceAbs() {
assertThat(transform("abs(1)")).isEqualTo("{ \"$abs\" : 1}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceAdd() {
assertThat(transform("add(a, 250)")).isEqualTo("{ \"$add\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceCeil() {
assertThat(transform("ceil(7.8)")).isEqualTo("{ \"$ceil\" : 7.8}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceDivide() {
assertThat(transform("divide(a, 250)")).isEqualTo("{ \"$divide\" : [ \"$a\" , 250]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceExp() {
assertThat(transform("exp(2)")).isEqualTo("{ \"$exp\" : 2}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceFloor() {
assertThat(transform("floor(2)")).isEqualTo("{ \"$floor\" : 2}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLn() {
assertThat(transform("ln(2)")).isEqualTo("{ \"$ln\" : 2}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLog() {
assertThat(transform("log(100, 10)")).isEqualTo("{ \"$log\" : [ 100 , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLog10() {
assertThat(transform("log10(100)")).isEqualTo("{ \"$log10\" : 100}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeMod() {
assertThat(transform("mod(a, b)")).isEqualTo("{ \"$mod\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeMultiply() {
assertThat(transform("multiply(a, b)")).isEqualTo("{ \"$multiply\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodePow() {
assertThat(transform("pow(a, 2)")).isEqualTo("{ \"$pow\" : [ \"$a\" , 2]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceSqrt() {
assertThat(transform("sqrt(2)")).isEqualTo("{ \"$sqrt\" : 2}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSubtract() {
assertThat(transform("subtract(a, b)")).isEqualTo("{ \"$subtract\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceTrunc() {
assertThat(transform("trunc(2.1)")).isEqualTo("{ \"$trunc\" : 2.1}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeConcat() {
assertThat(transform("concat(a, b, 'c')")).isEqualTo("{ \"$concat\" : [ \"$a\" , \"$b\" , \"c\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSubstrc() {
assertThat(transform("substr(a, 0, 1)")).isEqualTo("{ \"$substr\" : [ \"$a\" , 0 , 1]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceToLower() {
assertThat(transform("toLower(a)")).isEqualTo("{ \"$toLower\" : \"$a\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceToUpper() {
assertThat(transform("toUpper(a)")).isEqualTo("{ \"$toUpper\" : \"$a\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeStrCaseCmp() {
assertThat(transform("strcasecmp(a, b)")).isEqualTo("{ \"$strcasecmp\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceMeta() {
assertThat(transform("meta('textScore')")).isEqualTo("{ \"$meta\" : \"textScore\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeArrayElemAt() {
assertThat(transform("arrayElemAt(a, 10)")).isEqualTo("{ \"$arrayElemAt\" : [ \"$a\" , 10]}");
}
@Test // GH-3694
void shouldRenderMethodReferenceNodeFirst() {
assertThat(transform("first(a)")).isEqualTo("{ \"$first\" : \"$a\" }");
}
@Test // GH-3694
void shouldRenderMethodReferenceNodeLast() {
assertThat(transform("last(a)")).isEqualTo("{ \"$last\" : \"$a\" }");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeConcatArrays() {
assertThat(transform("concatArrays(a, b, c)"))
.isEqualTo("{ \"$concatArrays\" : [ \"$a\" , \"$b\" , \"$c\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeFilter() {
assertThat(transform("filter(a, 'num', '$$num' > 10)")).isEqualTo(
"{ \"$filter\" : { \"input\" : \"$a\" , \"as\" : \"num\" , \"cond\" : { \"$gt\" : [ \"$$num\" , 10]}}}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceIsArray() {
assertThat(transform("isArray(a)")).isEqualTo("{ \"$isArray\" : \"$a\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceIsSize() {
assertThat(transform("size(a)")).isEqualTo("{ \"$size\" : \"$a\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSlice() {
assertThat(transform("slice(a, 10)")).isEqualTo("{ \"$slice\" : [ \"$a\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeMap() {
assertThat(transform("map(quizzes, 'grade', '$$grade' + 2)")).isEqualTo(
"{ \"$map\" : { \"input\" : \"$quizzes\" , \"as\" : \"grade\" , \"in\" : { \"$add\" : [ \"$$grade\" , 2]}}}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeLet() {
assertThat(transform("let({low:1, high:'$$low'}, gt('$$low', '$$high'))")).isEqualTo(
"{ \"$let\" : { \"vars\" : { \"low\" : 1 , \"high\" : \"$$low\"} , \"in\" : { \"$gt\" : [ \"$$low\" , \"$$high\"]}}}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLiteral() {
assertThat(transform("literal($1)")).isEqualTo("{ \"$literal\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceDayOfYear() {
assertThat(transform("dayOfYear($1)")).isEqualTo("{ \"$dayOfYear\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceDayOfMonth() {
assertThat(transform("dayOfMonth($1)")).isEqualTo("{ \"$dayOfMonth\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceDayOfWeek() {
assertThat(transform("dayOfWeek($1)")).isEqualTo("{ \"$dayOfWeek\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceYear() {
assertThat(transform("year($1)")).isEqualTo("{ \"$year\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceMonth() {
assertThat(transform("month($1)")).isEqualTo("{ \"$month\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceWeek() {
assertThat(transform("week($1)")).isEqualTo("{ \"$week\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceHour() {
assertThat(transform("hour($1)")).isEqualTo("{ \"$hour\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceMinute() {
assertThat(transform("minute($1)")).isEqualTo("{ \"$minute\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceSecond() {
assertThat(transform("second($1)")).isEqualTo("{ \"$second\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceMillisecond() {
assertThat(transform("millisecond($1)")).isEqualTo("{ \"$millisecond\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceDateToString() {
assertThat(transform("dateToString('%Y-%m-%d', $date)"))
.isEqualTo("{ \"$dateToString\" : { \"format\" : \"%Y-%m-%d\" , \"date\" : \"$date\"}}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceCond() {
assertThat(transform("cond(qty > 250, 30, 20)")).isEqualTo(
"{ \"$cond\" : { \"if\" : { \"$gt\" : [ \"$qty\" , 250]} , \"then\" : 30 , \"else\" : 20}}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeIfNull() {
assertThat(transform("ifNull(a, 10)")).isEqualTo("{ \"$ifNull\" : [ \"$a\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeSum() {
assertThat(transform("sum(a, b)")).isEqualTo("{ \"$sum\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeAvg() {
assertThat(transform("avg(a, b)")).isEqualTo("{ \"$avg\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceFirst() {
assertThat(transform("first($1)")).isEqualTo("{ \"$first\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceLast() {
assertThat(transform("last($1)")).isEqualTo("{ \"$last\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeMax() {
assertThat(transform("max(a, b)")).isEqualTo("{ \"$max\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeMin() {
assertThat(transform("min(a, b)")).isEqualTo("{ \"$min\" : [ \"$a\" , \"$b\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodePush() {
assertThat(transform("push({'item':'$item', 'quantity':'$qty'})"))
.isEqualTo("{ \"$push\" : { \"item\" : \"$item\" , \"quantity\" : \"$qty\"}}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceAddToSet() {
assertThat(transform("addToSet($1)")).isEqualTo("{ \"$addToSet\" : \"$1\"}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeStdDevPop() {
assertThat(transform("stdDevPop(scores.score)"))
.isEqualTo("{ \"$stdDevPop\" : [ \"$scores.score\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderMethodReferenceNodeStdDevSamp() {
assertThat(transform("stdDevSamp(age)")).isEqualTo("{ \"$stdDevSamp\" : [ \"$age\"]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeEq() {
assertThat(transform("foo == 10")).isEqualTo("{ \"$eq\" : [ \"$foo\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeNe() {
assertThat(transform("foo != 10")).isEqualTo("{ \"$ne\" : [ \"$foo\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeGt() {
assertThat(transform("foo > 10")).isEqualTo("{ \"$gt\" : [ \"$foo\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeGte() {
assertThat(transform("foo >= 10")).isEqualTo("{ \"$gte\" : [ \"$foo\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeLt() {
assertThat(transform("foo < 10")).isEqualTo("{ \"$lt\" : [ \"$foo\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeLte() {
assertThat(transform("foo <= 10")).isEqualTo("{ \"$lte\" : [ \"$foo\" , 10]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodePow() {
assertThat(transform("foo^2")).isEqualTo("{ \"$pow\" : [ \"$foo\" , 2]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeOr() {
assertThat(transform("true || false")).isEqualTo("{ \"$or\" : [ true , false]}");
}
@Test // DATAMONGO-1530
void shouldRenderComplexOperationNodeOr() {
assertThat(transform("1+2 || concat(a, b) || true")).isEqualTo(
"{ \"$or\" : [ { \"$add\" : [ 1 , 2]} , { \"$concat\" : [ \"$a\" , \"$b\"]} , true]}");
}
@Test // DATAMONGO-1530
void shouldRenderOperationNodeAnd() {
assertThat(transform("true && false")).isEqualTo("{ \"$and\" : [ true , false]}");
}
@Test // DATAMONGO-1530
void shouldRenderComplexOperationNodeAnd() {
assertThat(transform("1+2 && concat(a, b) && true")).isEqualTo(
"{ \"$and\" : [ { \"$add\" : [ 1 , 2]} , { \"$concat\" : [ \"$a\" , \"$b\"]} , true]}");
}
@Test // DATAMONGO-1530
void shouldRenderNotCorrectly() {
assertThat(transform("!true")).isEqualTo("{ \"$not\" : [ true]}");
}
@Test // DATAMONGO-1530
void shouldRenderComplexNotCorrectly() {
assertThat(transform("!(foo > 10)")).isEqualTo("{ \"$not\" : [ { \"$gt\" : [ \"$foo\" , 10]}]}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceIndexOfBytes() {
assertThat(transform("indexOfBytes(item, 'foo')"))
.isEqualTo("{ \"$indexOfBytes\" : [ \"$item\" , \"foo\"]}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceIndexOfCP() {
assertThat(transform("indexOfCP(item, 'foo')"))
.isEqualTo("{ \"$indexOfCP\" : [ \"$item\" , \"foo\"]}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceSplit() {
assertThat(transform("split(item, ',')")).isEqualTo("{ \"$split\" : [ \"$item\" , \",\"]}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceStrLenBytes() {
assertThat(transform("strLenBytes(item)")).isEqualTo("{ \"$strLenBytes\" : \"$item\"}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceStrLenCP() {
assertThat(transform("strLenCP(item)")).isEqualTo("{ \"$strLenCP\" : \"$item\"}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodSubstrCP() {
assertThat(transform("substrCP(item, 0, 5)")).isEqualTo("{ \"$substrCP\" : [ \"$item\" , 0 , 5]}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceReverseArray() {
assertThat(transform("reverseArray(array)")).isEqualTo("{ \"$reverseArray\" : \"$array\"}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceReduce() {
assertThat(transform("reduce(field, '', {'$concat':{'$$value','$$this'}})")).isEqualTo(
"{ \"$reduce\" : { \"input\" : \"$field\" , \"initialValue\" : \"\" , \"in\" : { \"$concat\" : [ \"$$value\" , \"$$this\"]}}}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceZip() {
assertThat(transform("zip(new String[]{'$array1', '$array2'})"))
.isEqualTo("{ \"$zip\" : { \"inputs\" : [ \"$array1\" , \"$array2\"]}}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodReferenceZipWithOptionalArgs() {
assertThat(transform("zip(new String[]{'$array1', '$array2'}, true, new int[]{1,2})")).isEqualTo(
"{ \"$zip\" : { \"inputs\" : [ \"$array1\" , \"$array2\"] , \"useLongestLength\" : true , \"defaults\" : [ 1 , 2]}}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodIn() {
assertThat(transform("in('item', array)")).isEqualTo("{ \"$in\" : [ \"item\" , \"$array\"]}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodRefereneIsoDayOfWeek() {
assertThat(transform("isoDayOfWeek(date)")).isEqualTo("{ \"$isoDayOfWeek\" : \"$date\"}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodRefereneIsoWeek() {
assertThat(transform("isoWeek(date)")).isEqualTo("{ \"$isoWeek\" : \"$date\"}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodRefereneIsoWeekYear() {
assertThat(transform("isoWeekYear(date)")).isEqualTo("{ \"$isoWeekYear\" : \"$date\"}");
}
@Test // DATAMONGO-1548
void shouldRenderMethodRefereneType() {
assertThat(transform("type(a)")).isEqualTo("{ \"$type\" : \"$a\"}");
}
@Test // DATAMONGO-2077
void shouldRenderArrayToObjectWithFieldReference() {
assertThat(transform("arrayToObject(field)")).isEqualTo("{ \"$arrayToObject\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderArrayToObjectWithArray() {
assertThat(transform("arrayToObject(new String[]{'key', 'value'})"))
.isEqualTo("{ \"$arrayToObject\" : [\"key\", \"value\"]}");
}
@Test // DATAMONGO-2077
void shouldRenderObjectToArrayWithFieldReference() {
assertThat(transform("objectToArray(field)")).isEqualTo("{ \"$objectToArray\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderMergeObjects() {
assertThat(transform("mergeObjects(field1, $$ROOT)"))
.isEqualTo("{ \"$mergeObjects\" : [\"$field1\", \"$$ROOT\"]}");
}
@Test // DATAMONGO-2077
void shouldRenderTrimWithoutChars() {
assertThat(transform("trim(field)")).isEqualTo("{ \"$trim\" : {\"input\" : \"$field\"}}");
}
@Test // DATAMONGO-2077
void shouldRenderTrimWithChars() {
assertThat(transform("trim(field, 'ie')"))
.isEqualTo("{ \"$trim\" : {\"input\" : \"$field\", \"chars\" : \"ie\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderTrimWithCharsFromFieldReference() {
assertThat(transform("trim(field1, field2)"))
.isEqualTo("{ \"$trim\" : {\"input\" : \"$field1\", \"chars\" : \"$field2\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderLtrimWithoutChars() {
assertThat(transform("ltrim(field)")).isEqualTo("{ \"$ltrim\" : {\"input\" : \"$field\"}}");
}
@Test // DATAMONGO-2077
void shouldRenderLtrimWithChars() {
assertThat(transform("ltrim(field, 'ie')"))
.isEqualTo("{ \"$ltrim\" : {\"input\" : \"$field\", \"chars\" : \"ie\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderLtrimWithCharsFromFieldReference() {
assertThat(transform("ltrim(field1, field2)"))
.isEqualTo("{ \"$ltrim\" : {\"input\" : \"$field1\", \"chars\" : \"$field2\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderRtrimWithoutChars() {
assertThat(transform("rtrim(field)")).isEqualTo("{ \"$rtrim\" : {\"input\" : \"$field\"}}");
}
@Test // DATAMONGO-2077
void shouldRenderRtrimWithChars() {
assertThat(transform("rtrim(field, 'ie')"))
.isEqualTo("{ \"$rtrim\" : {\"input\" : \"$field\", \"chars\" : \"ie\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderRtrimWithCharsFromFieldReference() {
assertThat(transform("rtrim(field1, field2)"))
.isEqualTo("{ \"$rtrim\" : {\"input\" : \"$field1\", \"chars\" : \"$field2\" }}");
}
@Test // GH-3725
void shouldRenderRegexFindWithoutOptions() {
assertThat(transform("regexFind(field1,'e')"))
.isEqualTo("{ \"$regexFind\" : {\"input\" : \"$field1\" , \"regex\" : \"e\"}}");
}
@Test // GH-3725
void shouldRenderRegexFindWithOptions() {
assertThat(transform("regexFind(field1,'e','i')"))
.isEqualTo("{ \"$regexFind\" : {\"input\" : \"$field1\" , \"regex\" : \"e\" , \"options\" : \"i\"}}");
}
@Test // GH-3725
void shouldRenderRegexFindWithOptionsFromFieldReference() {
assertThat(transform("regexFind(field1,'e',field2)"))
.isEqualTo("{ \"$regexFind\" : {\"input\" : \"$field1\" , \"regex\" : \"e\" , \"options\" : \"$field2\"}}");
}
@Test // GH-3725
void shouldRenderRegexFindAllWithoutOptions() {
assertThat(transform("regexFindAll(field1,'e')"))
.isEqualTo("{ \"$regexFindAll\" : {\"input\" : \"$field1\" , \"regex\" : \"e\"}}");
}
@Test // GH-3725
void shouldRenderRegexFindAllWithOptions() {
assertThat(transform("regexFindAll(field1,'e','i')"))
.isEqualTo("{ \"$regexFindAll\" : {\"input\" : \"$field1\" , \"regex\" : \"e\" , \"options\" : \"i\"}}");
}
@Test // GH-3725
void shouldRenderRegexFindAllWithOptionsFromFieldReference() {
assertThat(transform("regexFindAll(field1,'e',field2)"))
.isEqualTo("{ \"$regexFindAll\" : {\"input\" : \"$field1\" , \"regex\" : \"e\" , \"options\" : \"$field2\"}}");
}
@Test // GH-3725
void shouldRenderRegexMatchWithoutOptions() {
assertThat(transform("regexMatch(field1,'e')"))
.isEqualTo("{ \"$regexMatch\" : {\"input\" : \"$field1\" , \"regex\" : \"e\"}}");
}
@Test // GH-3725
void shouldRenderRegexMatchWithOptions() {
assertThat(transform("regexMatch(field1,'e','i')"))
.isEqualTo("{ \"$regexMatch\" : {\"input\" : \"$field1\" , \"regex\" : \"e\" , \"options\" : \"i\"}}");
}
@Test // GH-3725
void shouldRenderRegexMatchWithOptionsFromFieldReference() {
assertThat(transform("regexMatch(field1,'e',field2)"))
.isEqualTo("{ \"$regexMatch\" : {\"input\" : \"$field1\" , \"regex\" : \"e\" , \"options\" : \"$field2\"}}");
}
@Test // GH-3695
void shouldRenderReplaceOne() {
assertThat(transform("replaceOne(field, 'bar', 'baz')"))
.isEqualTo("{ \"$replaceOne\" : {\"input\" : \"$field\" , \"find\" : \"bar\" , \"replacement\" : \"baz\"}}");
}
@Test // GH-3695
void shouldRenderReplaceAll() {
assertThat(transform("replaceAll(field, 'bar', 'baz')"))
.isEqualTo("{ \"$replaceAll\" : {\"input\" : \"$field\" , \"find\" : \"bar\" , \"replacement\" : \"baz\"}}");
}
@Test // DATAMONGO-2077
void shouldRenderConvertWithoutOptionalParameters() {
assertThat(transform("convert(field, 'string')"))
.isEqualTo("{ \"$convert\" : {\"input\" : \"$field\", \"to\" : \"string\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderConvertWithOnError() {
assertThat(transform("convert(field, 'int', 'Not an integer.')"))
.isEqualTo("{ \"$convert\" : {\"input\" : \"$field\", \"to\" : \"int\", \"onError\" : \"Not an integer.\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderConvertWithOnErrorOnNull() {
assertThat(transform("convert(field, 'int', 'Not an integer.', -1)")).isEqualTo(
"{ \"$convert\" : {\"input\" : \"$field\", \"to\" : \"int\", \"onError\" : \"Not an integer.\", \"onNull\" : -1 }}");
}
@Test // DATAMONGO-2077
void shouldRenderToBool() {
assertThat(transform("toBool(field)")).isEqualTo("{ \"$toBool\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToDate() {
assertThat(transform("toDate(field)")).isEqualTo("{ \"$toDate\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToDecimal() {
assertThat(transform("toDecimal(field)")).isEqualTo("{ \"$toDecimal\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToDouble() {
assertThat(transform("toDouble(field)")).isEqualTo("{ \"$toDouble\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToInt() {
assertThat(transform("toInt(field)")).isEqualTo("{ \"$toInt\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToLong() {
assertThat(transform("toLong(field)")).isEqualTo("{ \"$toLong\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToObjectId() {
assertThat(transform("toObjectId(field)")).isEqualTo("{ \"$toObjectId\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderToString() {
assertThat(transform("toString(field)")).isEqualTo("{ \"$toString\" : \"$field\"}");
}
@Test // DATAMONGO-2077
void shouldRenderDateFromStringWithoutOptionalParameters() {
assertThat(transform("dateFromString(field)"))
.isEqualTo("{ \"$dateFromString\" : {\"dateString\" : \"$field\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderDateFromStringWithFormat() {
assertThat(transform("dateFromString(field, 'DD-MM-YYYY')")).isEqualTo(
"{ \"$dateFromString\" : {\"dateString\" : \"$field\", \"format\" : \"DD-MM-YYYY\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderDateFromStringWithFormatAndTimezone() {
assertThat(transform("dateFromString(field, 'DD-MM-YYYY', 'UTC')")).isEqualTo(
"{ \"$dateFromString\" : {\"dateString\" : \"$field\", \"format\" : \"DD-MM-YYYY\", \"timezone\" : \"UTC\" }}");
}
@Test // DATAMONGO-2077
void shouldRenderDateFromStringWithFormatTimezoneAndOnError() {
assertThat(transform("dateFromString(field, 'DD-MM-YYYY', 'UTC', -1)")).isEqualTo(
"{ \"$dateFromString\" : {\"dateString\" : \"$field\", \"format\" : \"DD-MM-YYYY\", \"timezone\" : \"UTC\", \"onError\" : -1 }}");
}
@Test // DATAMONGO-2077
void shouldRenderDateFromStringWithFormatTimezoneOnErrorAndOnNull() {
assertThat(transform("dateFromString(field, 'DD-MM-YYYY', 'UTC', -1, -2)")).isEqualTo(
"{ \"$dateFromString\" : {\"dateString\" : \"$field\", \"format\" : \"DD-MM-YYYY\", \"timezone\" : \"UTC\", \"onError\" : -1, \"onNull\" : -2}}");
}
@Test // DATAMONGO-2077, DATAMONGO-2671
void shouldRenderDateFromParts() {
assertThat(transform("dateFromParts(y, m, d, h, mm, s, ms, 'UTC')")).isEqualTo(
"{ \"$dateFromParts\" : {\"year\" : \"$y\", \"month\" : \"$m\", \"day\" : \"$d\", \"hour\" : \"$h\", \"minute\" : \"$mm\", \"second\" : \"$s\", \"millisecond\" : \"$ms\", \"timezone\" : \"UTC\"}}");
}
@Test // DATAMONGO-2077, DATAMONGO-2671
void shouldRenderIsoDateFromParts() {
assertThat(transform("isoDateFromParts(y, m, d, h, mm, s, ms, 'UTC')")).isEqualTo(
"{ \"$dateFromParts\" : {\"isoWeekYear\" : \"$y\", \"isoWeek\" : \"$m\", \"isoDayOfWeek\" : \"$d\", \"hour\" : \"$h\", \"minute\" : \"$mm\", \"second\" : \"$s\", \"millisecond\" : \"$ms\", \"timezone\" : \"UTC\"}}");
}