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Merge pull request #66 from michal309/sealed-interface-support
Basic sealed interface support
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32 changes: 32 additions & 0 deletions
32
src/main/java/com/ocadotechnology/gembus/test/SealedInterfaceArranger.java
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|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| /* | ||
| * Copyright © 2020 Ocado ([email protected]) | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.ocadotechnology.gembus.test; | ||
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| public class SealedInterfaceArranger<T> extends CustomArranger<T> { | ||
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| public SealedInterfaceArranger() { | ||
| } | ||
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| protected SealedInterfaceArranger(Class<T> clazz) { | ||
| super(clazz); | ||
| } | ||
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| @Override | ||
| protected T instance() { | ||
| Class<?>[] subclasses = type.getPermittedSubclasses(); | ||
| return (T) enhancedRandom.nextObject(subclasses[enhancedRandom.nextInt(subclasses.length)]); | ||
| } | ||
| } |
166 changes: 166 additions & 0 deletions
166
src/test/java/com/ocadotechnology/gembus/test/ArrangerSealedInterfacesTest.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Copyright © 2020 Ocado ([email protected]) | ||
| * | ||
| * 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. | ||
| */ | ||
| package com.ocadotechnology.gembus.test; | ||
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| import org.jeasy.random.ObjectCreationException; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.util.List; | ||
| import java.util.Map; | ||
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| import static com.ocadotechnology.gembus.test.Arranger.some; | ||
| import static org.assertj.core.api.Assertions.assertThat; | ||
| import static org.assertj.core.api.Assertions.assertThatThrownBy; | ||
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| public class ArrangerSealedInterfacesTest { | ||
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| @Test | ||
| void should_arrangeSealedInterface() { | ||
| //when | ||
| SealedInterfaceData actual = some(SealedInterfaceData.class); | ||
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| //then | ||
| assertThat(actual).isInstanceOfAny(ConcreteData1.class, ConcreteData2.class); | ||
| } | ||
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| @Test | ||
| void should_arrangeSealedInterfaceWithCustomArranger() { | ||
| //when | ||
| SealedInterfaceWithCustomArranger actual = some(SealedInterfaceWithCustomArranger.class); | ||
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| //then | ||
| assertThat(actual).isEqualTo(new ConcreteDataWithCustomArranger("expected-test-string")); | ||
| } | ||
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| @Test | ||
| void should_arrangeDataWithSealedInterfaceField() { | ||
| //when | ||
| DataWithAbstract actual = some(DataWithAbstract.class, "excludedSealedInterface", "nonSealedInterface"); | ||
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| //then | ||
| assertThat(actual.sealedInterfaceData()).isInstanceOfAny(ConcreteData1.class, ConcreteData2.class); | ||
| assertThat(actual.excludedSealedInterface()).isNull(); | ||
| } | ||
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| @Test | ||
| void should_arrangeDataWithSealedInterfaceFieldOverride() { | ||
| //when | ||
| ConcreteData1 expected = new ConcreteData1("expected-data"); | ||
| DataWithAbstract actual = some(DataWithAbstract.class, Map.of( | ||
| "sealedInterfaceData", () -> expected, | ||
| "excludedSealedInterface", () -> null, | ||
| "nonSealedInterface", () -> null)); | ||
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| //then | ||
| assertThat(actual.sealedInterfaceData()).isEqualTo(expected); | ||
| assertThat(actual.excludedSealedInterface()).isNull(); | ||
| } | ||
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| @Test | ||
| void should_arrangeDataWithNestedSealedInterfaceField() { | ||
| //when | ||
| NestedSealedInterfaceData actual = some(NestedSealedInterfaceData.class); | ||
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| //then | ||
| assertThat(actual).isInstanceOf(ConcreteNested1.class); | ||
| assertThat((ConcreteNested1) actual) | ||
| .extracting(ConcreteNested1::sealedInterfaceData) | ||
| .isInstanceOfAny(ConcreteData1.class, ConcreteData2.class); | ||
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| } | ||
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| @Test | ||
| void should_arrangeRecordWithListWithSealedInterfaceField() { | ||
| //when | ||
| RootRecordWithNestedList actual = some(RootRecordWithNestedList.class); | ||
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| //then | ||
| assertThat(actual.nestedRecordWithSealedInterfaces().get(0)) | ||
| .extracting(NestedRecordWithSealedInterface::sealedInterfaceData) | ||
| .isInstanceOfAny(ConcreteData1.class, ConcreteData2.class); | ||
| } | ||
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| @Test | ||
| void should_failForNonSealedInterface() { | ||
| //when | ||
| assertThatThrownBy(() -> some(DataWithAbstract.class, "excludedSealedInterface")) | ||
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| //then | ||
| .isInstanceOf(ObjectCreationException.class); | ||
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| } | ||
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| } | ||
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| record DataWithAbstract(Integer value, | ||
| SealedInterfaceData sealedInterfaceData, | ||
| ExcludedSealedInterface excludedSealedInterface, | ||
| NonSealedInterface nonSealedInterface) { | ||
| DataWithAbstract { | ||
| } | ||
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| DataWithAbstract(String name) { | ||
| this(0, new ConcreteData1(""), new ExcludedData1(), new NonSealedInterface() { | ||
| }); | ||
| } | ||
| } | ||
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| sealed interface SealedInterfaceData permits ConcreteData1, ConcreteData2 { | ||
| } | ||
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| record ConcreteData1(String value) implements SealedInterfaceData { | ||
| } | ||
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| final class ConcreteData2 implements SealedInterfaceData { | ||
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| Integer value; | ||
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| } | ||
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| sealed interface ExcludedSealedInterface permits ExcludedData1 { | ||
| } | ||
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| record ExcludedData1() implements ExcludedSealedInterface { | ||
| } | ||
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| interface NonSealedInterface { | ||
| } | ||
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| sealed interface NestedSealedInterfaceData permits ConcreteNested1 { | ||
| } | ||
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| record ConcreteNested1(SealedInterfaceData sealedInterfaceData) implements NestedSealedInterfaceData { | ||
| } | ||
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| sealed interface SealedInterfaceWithCustomArranger permits ConcreteDataWithCustomArranger { | ||
| } | ||
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| record ConcreteDataWithCustomArranger(String test) implements SealedInterfaceWithCustomArranger { | ||
| } | ||
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| class CustomSealedInterfaceArranger extends SealedInterfaceArranger<SealedInterfaceWithCustomArranger> { | ||
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| @Override | ||
| protected SealedInterfaceWithCustomArranger instance() { | ||
| return new ConcreteDataWithCustomArranger("expected-test-string"); | ||
| } | ||
| } | ||
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| record RootRecordWithNestedList(List<NestedRecordWithSealedInterface> nestedRecordWithSealedInterfaces) { | ||
| } | ||
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| record NestedRecordWithSealedInterface(SealedInterfaceData sealedInterfaceData) { | ||
| } |