org.apache.james.AggregateJunitExtension.java Source code

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Here is the source code for org.apache.james.AggregateJunitExtension.java

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package org.apache.james;

import java.util.List;
import java.util.Optional;

import org.apache.james.util.Runnables;
import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.api.extension.ParameterContext;
import org.junit.jupiter.api.extension.ParameterResolutionException;

import com.github.fge.lambdas.Throwing;
import com.google.common.collect.Lists;
import reactor.core.publisher.Flux;

public class AggregateJunitExtension implements RegistrableExtension {

    private final List<? extends RegistrableExtension> registrableExtensions;

    public AggregateJunitExtension(List<? extends RegistrableExtension> registrableExtensions) {
        this.registrableExtensions = registrableExtensions;
    }

    @Override
    public void beforeAll(ExtensionContext extensionContext) {
        Runnables.runParallel(Flux.fromIterable(registrableExtensions)
                .map(ext -> Throwing.runnable(() -> ext.beforeAll(extensionContext))));
    }

    @Override
    public void beforeEach(ExtensionContext extensionContext) {
        Runnables.runParallel(Flux.fromIterable(registrableExtensions)
                .map(ext -> Throwing.runnable(() -> ext.beforeEach(extensionContext))));
    }

    @Override
    public void afterEach(ExtensionContext extensionContext) {
        Runnables.runParallel(Flux.fromIterable(Lists.reverse(registrableExtensions))
                .map(ext -> Throwing.runnable(() -> ext.afterEach(extensionContext))));
    }

    @Override
    public void afterAll(ExtensionContext extensionContext) {
        Runnables.runParallel(Flux.fromIterable(Lists.reverse(registrableExtensions))
                .map(ext -> Throwing.runnable(() -> ext.afterAll(extensionContext))));
    }

    @Override
    public boolean supportsParameter(ParameterContext parameterContext, ExtensionContext extensionContext)
            throws ParameterResolutionException {
        return extensionSupportParam(parameterContext, extensionContext).isPresent();
    }

    @Override
    public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext)
            throws ParameterResolutionException {
        return extensionSupportParam(parameterContext, extensionContext)
                .map(extension -> extension.resolveParameter(parameterContext, extensionContext)).orElseThrow(
                        () -> new IllegalArgumentException("parameter is not resolved by registrableExtensions"));
    }

    private Optional<? extends RegistrableExtension> extensionSupportParam(ParameterContext parameterContext,
            ExtensionContext extensionContext) {
        return registrableExtensions.stream()
                .filter(extension -> extension.supportsParameter(parameterContext, extensionContext)).findFirst();
    }
}