Andy Wilkinson
3 years ago
21 changed files with 243 additions and 18 deletions
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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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