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IntValueValidatorTest.java
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IntValueValidatorTest.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.base.model.headers;
import static org.assertj.core.api.Assertions.assertThatCode;
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.junit.Before;
import org.junit.Test;
/**
* Unit test for {@link org.eclipse.ditto.base.model.headers.IntValueValidator}.
*/
public final class IntValueValidatorTest {
private IntValueValidator underTest;
@Before
public void setUp() {
underTest = IntValueValidator.getInstance();
}
@Test
public void assertImmutability() {
assertInstancesOf(IntValueValidator.class, areImmutable());
}
@Test
public void tryToAcceptNullDefinition() {
assertThatNullPointerException()
.isThrownBy(() -> underTest.accept(null, "5"))
.withMessage("The definition must not be null!")
.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(DittoHeaderDefinition.RESPONSE_REQUIRED, "false"))
.doesNotThrowAnyException();
}
@Test
public void doesNotValidateAsDefinedJavaTypeIsNotInt() {
assertThatCode(() -> underTest.accept(DittoHeaderDefinition.RESPONSE_REQUIRED, "2"))
.doesNotThrowAnyException();
}
}