Use Framework's MockSpringFactoriesLoader

Closes gh-31406
This commit is contained in:
Andy Wilkinson
2022-06-16 15:35:28 +01:00
parent bde06a3115
commit 4f3180540c
7 changed files with 13 additions and 163 deletions

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@@ -1,137 +0,0 @@
/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.testsupport.mock;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.atomic.AtomicInteger;
import org.springframework.core.io.support.SpringFactoriesLoader;
/**
* Simple mock {@link SpringFactoriesLoader} implementation that can be used for testing
* purposes.
*
* @author Phillip Webb
* @since 3.0.0
*/
public class MockSpringFactoriesLoader extends SpringFactoriesLoader {
private final AtomicInteger sequence = new AtomicInteger();
private final Map<String, List<String>> factories;
private final Map<String, Object> implementations = new HashMap<>();
/**
* Create a new {@link MockSpringFactoriesLoader} instance with the default
* classloader.
*/
public MockSpringFactoriesLoader() {
this(null);
}
/**
* Create a new {@link MockSpringFactoriesLoader} instance with the given classloader.
* @param classLoader the classloader to use
*/
public MockSpringFactoriesLoader(ClassLoader classLoader) {
this(classLoader, new LinkedHashMap<>());
}
protected MockSpringFactoriesLoader(ClassLoader classLoader, Map<String, List<String>> factories) {
super(classLoader, factories);
this.factories = factories;
}
@Override
@SuppressWarnings("unchecked")
protected <T> T instantiateFactory(String implementationName, Class<T> type, ArgumentResolver argumentResolver,
FailureHandler failureHandler) {
if (implementationName.startsWith("!")) {
Object implementation = this.implementations.get(implementationName);
if (implementation != null) {
return (T) implementation;
}
}
return super.instantiateFactory(implementationName, type, argumentResolver, failureHandler);
}
/**
* Add factory implementations to this instance.
* @param factoryType the factory type class
* @param factoryImplementations the implementation classes
* @param <T> the factory type
* @return {@code this}, to facilitate method chaining
*/
@SafeVarargs
public final <T> MockSpringFactoriesLoader add(Class<T> factoryType, Class<? extends T>... factoryImplementations) {
for (Class<? extends T> factoryImplementation : factoryImplementations) {
add(factoryType.getName(), factoryImplementation.getName());
}
return this;
}
/**
* Add factory implementations to this instance.
* @param factoryType the factory type class name
* @param factoryImplementations the implementation class names
* @return {@code this}, to facilitate method chaining
*/
public MockSpringFactoriesLoader add(String factoryType, String... factoryImplementations) {
List<String> implementations = this.factories.computeIfAbsent(factoryType, (key) -> new ArrayList<>());
for (String factoryImplementation : factoryImplementations) {
implementations.add(factoryImplementation);
}
return this;
}
/**
* Add factory instances to this instance.
* @param factoryType the factory type class
* @param factoryInstances the implementation instances to add
* @param <T> the factory type
* @return {@code this}, to facilitate method chaining
*/
@SuppressWarnings("unchecked")
public <T> MockSpringFactoriesLoader addInstance(Class<T> factoryType, T... factoryInstances) {
return addInstance(factoryType.getName(), factoryInstances);
}
/**
* Add factory instances to this instance.
* @param factoryType the factory type class name
* @param factoryInstance the implementation instances to add
* @param <T> the factory instance type
* @return {@code this}, to facilitate method chaining
*/
@SuppressWarnings("unchecked")
public <T> MockSpringFactoriesLoader addInstance(String factoryType, T... factoryInstance) {
List<String> implementations = this.factories.computeIfAbsent(factoryType, (key) -> new ArrayList<>());
for (T factoryImplementation : factoryInstance) {
String reference = "!" + factoryType + ":" + factoryImplementation.getClass().getName()
+ this.sequence.getAndIncrement();
implementations.add(reference);
this.implementations.put(reference, factoryImplementation);
}
return this;
}
}

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/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Mock implementations of commonly used classes.
*/
package org.springframework.boot.testsupport.mock;