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EntityTagTest.java
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EntityTagTest.java
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/*
* Copyright (c) 2017-2018 Bosch Software Innovations GmbH.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/org/documents/epl-2.0/index.php
*
* SPDX-License-Identifier: EPL-2.0
*/
package org.eclipse.ditto.model.base.headers.entitytag;
import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.eclipse.ditto.model.base.exceptions.DittoHeaderInvalidException;
import org.junit.Test;
import nl.jqno.equalsverifier.EqualsVerifier;
/**
* Tests {@link EntityTag}.
*/
public class EntityTagTest {
private static final EntityTag WEAK_1 = EntityTag.fromString("W/\"1\"");
private static final EntityTag WEAK_2 = EntityTag.fromString("W/\"2\"");
private static final EntityTag STRONG_1 = EntityTag.fromString("\"1\"");
private static final EntityTag STRONG_2 = EntityTag.fromString("\"2\"");
@Test
public void testHashCodeAndEquals() {
EqualsVerifier.forClass(EntityTag.class)
.verify();
}
@Test
public void assertImmutability() {
assertInstancesOf(EntityTag.class, areImmutable());
}
@Test
public void weakEntityTagFromString() {
final String validOpaqueTag = "\"hallo\"";
final String validWeakEntityTag = "W/" + validOpaqueTag;
assertThat(EntityTag.isValid(validWeakEntityTag)).isTrue();
final EntityTag entityTagFromString = EntityTag.fromString(validWeakEntityTag);
assertThat(entityTagFromString.isWeak()).isTrue();
assertThat(entityTagFromString.getOpaqueTag()).isEqualTo(validOpaqueTag);
final EntityTag entityTagWeak = EntityTag.weak(validOpaqueTag);
assertThat(entityTagWeak.isWeak()).isTrue();
assertThat(entityTagWeak.getOpaqueTag()).isEqualTo(validOpaqueTag);
}
@Test
public void strongEntityTagFromString() {
final String validStrongEntityTag = "\"hallo\"";
assertThat(EntityTag.isValid(validStrongEntityTag)).isTrue();
final EntityTag entityTag = EntityTag.fromString(validStrongEntityTag);
assertThat(entityTag.isWeak()).isFalse();
assertThat(entityTag.getOpaqueTag()).isEqualTo(validStrongEntityTag);
final EntityTag entityTagWeak = EntityTag.strong(validStrongEntityTag);
assertThat(entityTagWeak.isWeak()).isFalse();
assertThat(entityTagWeak.getOpaqueTag()).isEqualTo(validStrongEntityTag);
}
@Test
public void weakPrefixIsCaseSensitive() {
final String invalidEntityTag = "w/\"hallo\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void weakEntityTagMustNotContainAsteriskInOpaqueTag() {
final String invalidEntityTag = "w/\"*\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void strongEntityTagMustNotContainAsteriskInOpaqueTag() {
final String invalidEntityTag = "\"*\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void weakEntityTagOpaqueTagMustStartWithDoubleQuotes() {
final String invalidEntityTag = "W/hallo\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag, "hallo\"");
}
@Test
public void strongEntityTagOpaqueTagMustStartWithDoubleQuotes() {
final String invalidEntityTag = "hallo\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void weakEntityTagOpaqueTagMustEndWithDoubleQuotes() {
final String invalidEntityTag = "W/\"hallo";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag, "\"hallo");
}
@Test
public void strongEntityTagOpaqueTagMustEndWithDoubleQuotes() {
final String invalidEntityTag = "\"hallo";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void weakEntityTagOpaqueTagMustNotContainMoreThanTwoDoubleQuotes() {
final String invalidEntityTag = "\"\"W/\\\"hal\\\"l\\\"o\\\"\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void strongEntityTagOpaqueTagMustNotContainMoreThanTwoDoubleQuotes() {
final String invalidEntityTag = "\"hal\"l\"o\"";
assertThat(EntityTag.isValid(invalidEntityTag)).isFalse();
assertExceptionWhenCreatingFromString(invalidEntityTag);
}
@Test
public void strongComparisonEvaluatesToFalseForEqualWeakTags() {
assertThat(WEAK_1.strongCompareTo(WEAK_1)).isFalse();
}
@Test
public void strongComparisonEvaluatesToFalseForDifferentWeakTags() {
assertThat(WEAK_1.strongCompareTo(WEAK_2)).isFalse();
}
@Test
public void strongComparisonEvaluatesToFalseForOneStrongTagWithSameValueThanWeakTag() {
assertThat(WEAK_1.strongCompareTo(STRONG_1)).isFalse();
}
@Test
public void strongComparisonEvaluatesToFalseForDifferentStrongTags() {
assertThat(STRONG_1.strongCompareTo(STRONG_2)).isFalse();
}
@Test
public void strongComparisonEvaluatesToTrueForEqualStrongTags() {
assertThat(STRONG_1.strongCompareTo(STRONG_1)).isTrue();
}
@Test
public void weakComparisonEvaluatesToTrueForEqualWeakTags() {
assertThat(WEAK_1.weakCompareTo(WEAK_1)).isTrue();
}
@Test
public void weakComparisonEvaluatesToFalseForDifferentWeakTags() {
assertThat(WEAK_1.weakCompareTo(WEAK_2)).isFalse();
}
@Test
public void weakComparisonEvaluatesToTrueForOneStrongTagWithSameValueThanWeakTag() {
assertThat(WEAK_1.weakCompareTo(STRONG_1)).isTrue();
}
@Test
public void weakComparisonEvaluatesToFalseForDifferentStrongTags() {
assertThat(STRONG_1.weakCompareTo(STRONG_2)).isFalse();
}
@Test
public void weakComparisonEvaluatesToTrueForEqualStrongTags() {
assertThat(STRONG_1.weakCompareTo(STRONG_1)).isTrue();
}
private void assertExceptionWhenCreatingFromString(final String invalidEntityTagValue) {
assertExceptionWhenCreatingFromString(invalidEntityTagValue, invalidEntityTagValue);
}
private void assertExceptionWhenCreatingFromString(final String invalidEntityTagValue,
final String expectedOpaqueTagInMessage) {
assertThatExceptionOfType(DittoHeaderInvalidException.class)
.isThrownBy(() -> EntityTag.fromString(invalidEntityTagValue))
.withMessage("The opaque tag <%s> is not a valid entity-tag.", expectedOpaqueTagInMessage);
}
}