Andy Wilkinson
1 year ago
commit
df4c65e494
@ -0,0 +1,95 @@
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/*
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* Copyright 2012-2023 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.springframework.boot.actuate.autoconfigure.metrics.export.properties;
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import java.lang.reflect.Method;
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import java.util.Arrays;
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import java.util.Set;
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import java.util.TreeSet;
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import java.util.stream.Collectors;
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import io.micrometer.core.instrument.config.validate.Validated;
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import org.junit.jupiter.api.Test;
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import org.springframework.core.annotation.AnnotatedElementUtils;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* Base class for testing properties config adapters.
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*
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* @param <P> the properties used by the adapter
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* @param <A> the adapter under test
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* @author Andy Wilkinson
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* @author Mirko Sobeck
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*/
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public abstract class AbstractPropertiesConfigAdapterTests<P, A extends PropertiesConfigAdapter<P>> {
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private final Class<? extends A> adapter;
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protected AbstractPropertiesConfigAdapterTests(Class<? extends A> adapter) {
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this.adapter = adapter;
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}
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@Test
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protected void adapterOverridesAllConfigMethods() {
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adapterOverridesAllConfigMethodsExcept();
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}
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protected final void adapterOverridesAllConfigMethodsExcept(String... nonConfigMethods) {
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Class<?> config = findImplementedConfig();
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Set<String> expectedConfigMethodNames = Arrays.stream(config.getDeclaredMethods())
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.filter(Method::isDefault)
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.filter(this::hasNoParameters)
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.filter(this::isNotValidationMethod)
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.filter(this::isNotDeprecated)
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.map(Method::getName)
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.collect(Collectors.toCollection(TreeSet::new));
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expectedConfigMethodNames.removeAll(Arrays.asList(nonConfigMethods));
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Set<String> actualConfigMethodNames = new TreeSet<>();
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Class<?> currentClass = this.adapter;
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while (!Object.class.equals(currentClass)) {
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actualConfigMethodNames.addAll(Arrays.stream(currentClass.getDeclaredMethods())
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.map(Method::getName)
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.filter(expectedConfigMethodNames::contains)
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.toList());
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currentClass = currentClass.getSuperclass();
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}
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assertThat(actualConfigMethodNames).containsExactlyInAnyOrderElementsOf(expectedConfigMethodNames);
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}
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private Class<?> findImplementedConfig() {
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Class<?>[] interfaces = this.adapter.getInterfaces();
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if (interfaces.length == 1) {
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return interfaces[0];
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}
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throw new IllegalStateException(this.adapter + " is not a config implementation");
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}
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private boolean isNotDeprecated(Method method) {
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return !AnnotatedElementUtils.hasAnnotation(method, Deprecated.class);
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}
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private boolean hasNoParameters(Method method) {
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return method.getParameterCount() == 0;
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}
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private boolean isNotValidationMethod(Method method) {
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return !Validated.class.equals(method.getReturnType());
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}
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}
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