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HttpStatusCodeValueValidatorTest.java
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HttpStatusCodeValueValidatorTest.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.messages.model;
import static org.assertj.core.api.Assertions.assertThatCode;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
import static org.assertj.core.api.Assertions.assertThatNullPointerException;
import static org.mutabilitydetector.unittesting.MutabilityAssert.assertInstancesOf;
import static org.mutabilitydetector.unittesting.MutabilityMatchers.areImmutable;
import org.assertj.core.api.AutoCloseableSoftAssertions;
import org.eclipse.ditto.base.model.common.HttpStatusCodeOutOfRangeException;
import org.eclipse.ditto.base.model.exceptions.DittoHeaderInvalidException;
import org.eclipse.ditto.base.model.headers.HeaderDefinition;
import org.eclipse.ditto.base.model.headers.ValueValidator;
import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;
/**
* Unit test for {@link HttpStatusCodeValueValidator}.
*/
public final class HttpStatusCodeValueValidatorTest {
private static final CharSequence VALID_HTTP_STATUS_CODE_STRING = "201";
private ValueValidator underTest;
@Before
public void setUp() {
underTest = HttpStatusCodeValueValidator.getInstance();
}
@Test
@Ignore("https://github.com/MutabilityDetector/MutabilityDetector/issues/185")
public void assertImmutability() {
assertInstancesOf(HttpStatusCodeValueValidator.class, areImmutable());
}
@Test
public void tryToAcceptNullDefinition() {
assertThatNullPointerException()
.isThrownBy(() -> underTest.accept(null, VALID_HTTP_STATUS_CODE_STRING))
.withMessage("The definition must not be null!")
.withNoCause();
}
@Test
public void tryToAcceptNullValue() {
final HeaderDefinition headerDefinition = MessageHeaderDefinition.STATUS_CODE;
assertThatExceptionOfType(DittoHeaderInvalidException.class)
.isThrownBy(() -> underTest.accept(headerDefinition, null))
.withMessageContaining("null")
.withMessageContaining(headerDefinition.getKey())
.withMessageEndingWith("is not a valid int.")
.withNoCause();
}
@Test
public void canValidateInteger() {
try (final AutoCloseableSoftAssertions softly = new AutoCloseableSoftAssertions()) {
softly.assertThat(underTest.canValidate(int.class)).as("int").isTrue();
softly.assertThat(underTest.canValidate(Integer.class)).as("Integer").isTrue();
}
}
@Test
public void acceptValidCharSequence() {
assertThatCode(() -> underTest.accept(MessageHeaderDefinition.STATUS_CODE, VALID_HTTP_STATUS_CODE_STRING))
.doesNotThrowAnyException();
}
@Test
public void doesNotValidateAsDefinedJavaTypeIsNotInt() {
assertThatCode(() -> underTest.accept(MessageHeaderDefinition.STATUS_CODE, VALID_HTTP_STATUS_CODE_STRING))
.doesNotThrowAnyException();
}
@Test
public void acceptNonIntCharSequence() {
final String invalidHttpStatusCodeString = "true";
assertThatExceptionOfType(DittoHeaderInvalidException.class)
.isThrownBy(() -> underTest.accept(MessageHeaderDefinition.STATUS_CODE, invalidHttpStatusCodeString))
.withMessageContaining(invalidHttpStatusCodeString)
.withMessageEndingWith("is not a valid int.")
.withNoCause();
}
@Test
public void acceptNonHttpStatusCodeIntCharSequence() {
final String invalidHttpStatusCodeString = "4711";
assertThatExceptionOfType(DittoHeaderInvalidException.class)
.isThrownBy(() -> underTest.accept(MessageHeaderDefinition.STATUS_CODE, invalidHttpStatusCodeString))
.withMessageContaining(invalidHttpStatusCodeString)
.withMessageEndingWith("is not a valid HTTP status code.")
.withCauseInstanceOf(HttpStatusCodeOutOfRangeException.class);
}
}