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ImmutableFeaturePlaceholderTest.java
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ImmutableFeaturePlaceholderTest.java
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/*
* Copyright (c) 2020 Contributors to the Eclipse Foundation
*
* See the NOTICE file(s) distributed with this work for additional
* information regarding copyright ownership.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.edge.api.placeholders;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
import java.util.List;
import org.eclipse.ditto.base.model.exceptions.DittoJsonException;
import org.eclipse.ditto.base.model.headers.DittoHeaders;
import org.eclipse.ditto.base.model.signals.Signal;
import org.eclipse.ditto.base.model.signals.WithFeatureId;
import org.eclipse.ditto.json.JsonObject;
import org.eclipse.ditto.policies.model.PolicyId;
import org.eclipse.ditto.things.model.Attributes;
import org.eclipse.ditto.things.model.Feature;
import org.eclipse.ditto.things.model.FeatureProperties;
import org.eclipse.ditto.things.model.Features;
import org.eclipse.ditto.things.model.Thing;
import org.eclipse.ditto.things.model.ThingId;
import org.eclipse.ditto.things.model.signals.commands.ThingCommand;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeature;
import org.eclipse.ditto.things.model.signals.commands.modify.DeleteFeatures;
import org.eclipse.ditto.things.model.signals.commands.modify.MergeThing;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyAttributes;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyFeatures;
import org.eclipse.ditto.things.model.signals.commands.modify.ModifyThing;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
import org.mutabilitydetector.unittesting.MutabilityAssert;
import org.mutabilitydetector.unittesting.MutabilityMatchers;
import nl.jqno.equalsverifier.EqualsVerifier;
import nl.jqno.equalsverifier.Warning;
/**
* Tests {@link ImmutableFeaturePlaceholder}.
*/
public final class ImmutableFeaturePlaceholderTest {
private static final String FEATURE_ID = "FluxCapacitor";
private static final FeaturePlaceholder UNDER_TEST = ImmutableFeaturePlaceholder.INSTANCE;
private static final List<String> FEATURE_IDS = List.of("bar", "baz", "foo");
private static final List<Feature> FEATURE_LIST = FEATURE_IDS.stream()
.map(featureId -> Feature.newBuilder().withId(featureId).build())
.toList();
private static final Features FEATURES = Features.newBuilder()
.setAll(FEATURE_LIST)
.build();
private static final ThingId THING_ID = ThingId.of("namespace", "name");
private static final Thing THING = Thing.newBuilder()
.setId(THING_ID)
.setPolicyId(PolicyId.of(THING_ID))
.setFeatures(FEATURES)
.build();
private static Signal<?> signalWithFeatureId;
private static Signal<?> signalWithOutFeatureId;
@BeforeClass
public static void setupClass() {
signalWithFeatureId = mock(Signal.class, Mockito.withSettings().extraInterfaces(WithFeatureId.class));
signalWithOutFeatureId = mock(Signal.class);
when(((WithFeatureId) signalWithFeatureId).getFeatureId()).thenReturn(FEATURE_ID);
}
@Test
public void assertImmutability() {
MutabilityAssert.assertInstancesOf(ImmutableFeaturePlaceholder.class, MutabilityMatchers.areImmutable());
}
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(ImmutableFeaturePlaceholder.class)
.suppress(Warning.INHERITED_DIRECTLY_FROM_OBJECT)
.usingGetClass()
.verify();
}
@Test
public void testReplaceFeatureId() {
assertThat(UNDER_TEST.resolveValues(signalWithFeatureId, "id")).contains(FEATURE_ID);
}
@Test
public void testReplaceFeatureIdsOfModifyThing() {
final ModifyThing modifyThing = ModifyThing.of(THING_ID, THING, null, DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(modifyThing, "id")).isEqualTo(FEATURE_IDS);
}
@Test
public void testReplaceFeatureIdsOfModifyThingWithoutFeatures() {
final Thing thingWithoutFeatures = THING.setFeatures(null);
final ModifyThing modifyThing = ModifyThing.of(THING_ID, thingWithoutFeatures, null, DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(modifyThing, "id")).isEmpty();
}
@Test
public void testReplaceFeatureIdsOfModifyAttributes() {
final ModifyAttributes modifyAttributes =
ModifyAttributes.of(THING_ID, Attributes.newBuilder().build(), DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(modifyAttributes, "id")).isEmpty();
}
@Test
public void testReplaceFeatureIdsOfModifyFeatures() {
final ModifyFeatures modifyFeatures = ModifyFeatures.of(THING_ID, FEATURES, DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(modifyFeatures, "id")).isEqualTo(FEATURE_IDS);
}
@Test
public void testReplaceFeatureIdsOfDeleteFeatures() {
final DeleteFeatures deleteFeatures = DeleteFeatures.of(THING_ID, DittoHeaders.empty());
// DeleteFeatures doesn't know which features exist. So we can't resolve their IDs.
assertThat(UNDER_TEST.resolveValues(deleteFeatures, "id")).isEmpty();
}
@Test
public void testReplaceFeatureIdsOfDeleteFeature() {
final DeleteFeature deleteFeature = DeleteFeature.of(THING_ID, "foo", DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(deleteFeature, "id")).containsExactly("foo");
}
@Test
public void testReplaceFeatureIdsForMergeThingOnTopLevel() {
final MergeThing mergeThing = MergeThing.withThing(THING_ID, THING, DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).isEqualTo(FEATURE_IDS);
}
@Test
public void testReplaceFeatureIdsForMergeThingOnTopLevelWithNonObjectValue() {
final MergeThing mergeThing = MergeThing.fromJson(JsonObject.newBuilder()
.set(ThingCommand.JsonFields.TYPE, MergeThing.TYPE)
.set(ThingCommand.JsonFields.JSON_THING_ID, THING_ID.toString())
.set("path", "/")
.set("value", "This is wrong.")
.build(), DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).isEmpty();
}
@Test
public void testReplaceFeatureIdsForMergeThingOnAttributesLevel() {
final MergeThing mergeThing = MergeThing.withAttributes(THING_ID,
Attributes.newBuilder()
.set("attributeA", 1)
.set("attributeB", 2)
.build(),
DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).isEmpty();
}
@Test
public void testReplaceFeatureIdsForMergeThingOnFeatureLevel() {
final MergeThing mergeThing =
MergeThing.withFeature(THING_ID, Feature.newBuilder().withId("foo").build(), DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).containsExactly("foo");
}
@Test
public void testReplaceFeatureIdsForMergeThingOnFeaturePropertiesLevel() {
final MergeThing mergeThing =
MergeThing.withFeatureProperties(THING_ID, "foo", FeatureProperties.newBuilder().build(),
DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).containsExactly("foo");
}
@Test
public void testReplaceFeatureIdsForMergeThingOnFeaturesLevel() {
final MergeThing mergeThing = MergeThing.withFeatures(THING_ID, FEATURES, DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).isEqualTo(FEATURE_IDS);
}
@Test
public void testReplaceFeatureIdsForMergeThingOnFeaturesLevelWithNonObjectValue() {
final MergeThing mergeThing = MergeThing.fromJson(JsonObject.newBuilder()
.set(ThingCommand.JsonFields.TYPE, MergeThing.TYPE)
.set(ThingCommand.JsonFields.JSON_THING_ID, THING_ID.toString())
.set("path", "/features")
.set("value", "This is wrong.")
.build(), DittoHeaders.empty());
assertThat(UNDER_TEST.resolveValues(mergeThing, "id")).isEmpty();
}
@Test
public void testReplaceFeatureIdsForMergeThingOnFeaturesLevelWithInvalidFeatures() {
final MergeThing mergeThing = MergeThing.fromJson(JsonObject.newBuilder()
.set(ThingCommand.JsonFields.TYPE, MergeThing.TYPE)
.set(ThingCommand.JsonFields.JSON_THING_ID, THING_ID.toString())
.set("path", "/features")
.set("value", JsonObject.newBuilder().set("wrong", "features").build())
.build(), DittoHeaders.empty());
assertThatExceptionOfType(DittoJsonException.class)
.isThrownBy(() -> UNDER_TEST.resolveValues(mergeThing, "id"));
}
@Test
public void testUnknownPlaceholderReturnsEmpty() {
assertThat(UNDER_TEST.resolveValues(signalWithFeatureId, "feature_id")).isEmpty();
}
@Test
public void testSignalWhichIsNotWithFeatureIdReturnsEmpty() {
assertThat(UNDER_TEST.resolveValues(signalWithOutFeatureId, "id")).isEmpty();
}
}