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/*
* Copyright 2016-2023 the original author or authors.
*
* All rights reserved. This program and the accompanying materials are
* made available under the terms of the Eclipse Public License v2.0 which
* accompanies this distribution and is available at
*
* http://www.eclipse.org/legal/epl-v20.html
*/
package org.junitpioneer.jupiter.json;
import static java.util.stream.Collectors.toUnmodifiableList;
import java.io.InputStream;
import java.util.Arrays;
import java.util.stream.Stream;
import org.junitpioneer.internal.PioneerPreconditions;
/**
* Provides arguments from JSON files specified with {@link JsonClasspathSource}.
*/
class JsonClasspathSourceArgumentsProvider extends AbstractJsonSourceBasedArgumentsProvider {
// the reading of the resources / files is heavily inspired by Jupiter's CsvFileArgumentsProvider
@Override
public void accept(JsonClasspathSource jsonSource) {
Stream resources = Arrays
.stream(jsonSource.value())
.map(JsonClasspathSourceArgumentsProvider::classpathResource);
accept(resources.collect(toUnmodifiableList()), jsonSource.data());
}
private static Source classpathResource(String resource) {
return context -> {
PioneerPreconditions.notBlank(resource, "Classpath resource must not be null or blank");
InputStream stream = context.getRequiredTestClass().getClassLoader().getResourceAsStream(resource);
PioneerPreconditions.notNull(stream, "Classpath resource [" + resource + "] does not exist");
return stream;
};
}
}
