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add unit tests for ConversionExprFactory implementations
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132
...e/src/test/java/rapier/core/conversion/expr/ElementwiseListConversionExprFactoryTest.java
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| /*- | ||
| * =================================LICENSE_START================================== | ||
| * rapier-core | ||
| * ====================================SECTION===================================== | ||
| * Copyright (C) 2024 - 2025 Andy Boothe | ||
| * ====================================SECTION===================================== | ||
| * 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 | ||
| * | ||
| * http://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. | ||
| * ==================================LICENSE_END=================================== | ||
| */ | ||
| package rapier.core.conversion.expr; | ||
|
|
||
| import static java.util.Collections.emptyList; | ||
| import static org.junit.jupiter.api.Assertions.assertEquals; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.verifyNoInteractions; | ||
| import static org.mockito.Mockito.when; | ||
| import static org.mockito.Mockito.withSettings; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Optional; | ||
| import javax.lang.model.type.DeclaredType; | ||
| import javax.lang.model.type.TypeKind; | ||
| import javax.lang.model.type.TypeMirror; | ||
| import javax.lang.model.util.Types; | ||
| import org.junit.jupiter.api.Test; | ||
| import rapier.core.ConversionExprFactory; | ||
|
|
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| public class ElementwiseListConversionExprFactoryTest { | ||
| @Test | ||
| @SuppressWarnings({"unchecked", "rawtypes"}) | ||
| public void givenFullyReifiedListTargetType_whenComputeConversionExpr_thenGetExpectedConversionExpr() { | ||
| final Types types = mock(Types.class); | ||
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| final TypeMirror listType = mock(TypeMirror.class); | ||
| when(listType.getKind()).thenReturn(TypeKind.DECLARED); | ||
| when(listType.toString()).thenReturn("java.util.List"); | ||
|
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| final TypeMirror targetTypeAsTypeMirror = | ||
| mock(TypeMirror.class, withSettings().extraInterfaces(DeclaredType.class)); | ||
| when(targetTypeAsTypeMirror.getKind()).thenReturn(TypeKind.DECLARED); | ||
| when(targetTypeAsTypeMirror.toString()).thenReturn("java.util.List<java.lang.Integer>"); | ||
| when(types.erasure(targetTypeAsTypeMirror)).thenReturn(listType); | ||
|
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| final TypeMirror targetTypeTypeArgument = mock(TypeMirror.class); | ||
| when(targetTypeTypeArgument.getKind()).thenReturn(TypeKind.DECLARED); | ||
| when(targetTypeTypeArgument.toString()).thenReturn("java.lang.Integer"); | ||
|
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| final List<TypeMirror> targetTypeTypeArguments = new ArrayList<>(); | ||
| targetTypeTypeArguments.add(targetTypeTypeArgument); | ||
|
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| final DeclaredType targetTypeAsDeclaredType = (DeclaredType) targetTypeAsTypeMirror; | ||
| when(targetTypeAsDeclaredType.getTypeArguments()).thenReturn((List) targetTypeTypeArguments); | ||
|
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| final ConversionExprFactory innerConversionExprFactory = mock(ConversionExprFactory.class); | ||
| when(innerConversionExprFactory.generateConversionExpr(targetTypeTypeArgument, "element")) | ||
| .thenReturn(Optional.of("Integer.valueOf(element)")); | ||
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| final ElementwiseListConversionExprFactory unit = | ||
| new ElementwiseListConversionExprFactory(types, innerConversionExprFactory); | ||
|
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| final String conversionExpr = | ||
| unit.generateConversionExpr(targetTypeAsTypeMirror, "value").orElse(null); | ||
|
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| assertEquals( | ||
| "value.stream().map(element -> Integer.valueOf(element)).collect(java.util.stream.Collectors.toList())", | ||
| conversionExpr); | ||
| } | ||
|
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| @Test | ||
| public void givenRawListTargetType_whenComputeConversionExpr_thenGetExpectedConversionExpr() { | ||
| final Types types = mock(Types.class); | ||
|
|
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| final TypeMirror targetTypeAsTypeMirror = | ||
| mock(TypeMirror.class, withSettings().extraInterfaces(DeclaredType.class)); | ||
| when(targetTypeAsTypeMirror.getKind()).thenReturn(TypeKind.DECLARED); | ||
| when(targetTypeAsTypeMirror.toString()).thenReturn("java.util.List"); | ||
| when(types.erasure(targetTypeAsTypeMirror)).thenReturn(targetTypeAsTypeMirror); | ||
|
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| final DeclaredType targetTypeAsDeclaredType = (DeclaredType) targetTypeAsTypeMirror; | ||
| when(targetTypeAsDeclaredType.getTypeArguments()).thenReturn(emptyList()); | ||
|
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| final ConversionExprFactory innerConversionExprFactory = mock(ConversionExprFactory.class); | ||
|
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| final ElementwiseListConversionExprFactory unit = | ||
| new ElementwiseListConversionExprFactory(types, innerConversionExprFactory); | ||
|
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| final String conversionExpr = | ||
| unit.generateConversionExpr(targetTypeAsTypeMirror, "value").orElse(null); | ||
|
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| assertEquals(null, conversionExpr); | ||
|
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| verifyNoInteractions(innerConversionExprFactory); | ||
| } | ||
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| @Test | ||
| public void givenNonListTargetType_whenComputeConversionExpr_thenGetNoConversionExpr() { | ||
| final Types types = mock(Types.class); | ||
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| final TypeMirror mapType = mock(TypeMirror.class); | ||
| when(mapType.getKind()).thenReturn(TypeKind.DECLARED); | ||
| when(mapType.toString()).thenReturn("java.util.Map"); | ||
|
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| final TypeMirror targetTypeAsTypeMirror = | ||
| mock(TypeMirror.class, withSettings().extraInterfaces(DeclaredType.class)); | ||
| when(targetTypeAsTypeMirror.getKind()).thenReturn(TypeKind.DECLARED); | ||
| when(targetTypeAsTypeMirror.toString()) | ||
| .thenReturn("java.util.Map<java.lang.String,java.lang.Integer>"); | ||
| when(types.erasure(targetTypeAsTypeMirror)).thenReturn(mapType); | ||
|
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| final ConversionExprFactory innerConversionExprFactory = mock(ConversionExprFactory.class); | ||
|
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| final ElementwiseListConversionExprFactory unit = | ||
| new ElementwiseListConversionExprFactory(types, innerConversionExprFactory); | ||
|
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| final String conversionExpr = | ||
| unit.generateConversionExpr(targetTypeAsTypeMirror, "value").orElse(null); | ||
|
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| assertEquals(null, conversionExpr); | ||
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| verifyNoInteractions(innerConversionExprFactory); | ||
| } | ||
| } |
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