ninja.siden.internal.Testing.java Source code

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Here is the source code for ninja.siden.internal.Testing.java

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/*
 * Copyright 2014 SATO taichi
 *
 * 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
 *
 *     http://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 ninja.siden.internal;

import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;

import java.nio.charset.StandardCharsets;
import java.util.Scanner;

import mockit.Mock;
import mockit.MockUp;
import ninja.siden.util.Using;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.config.SocketConfig;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.DefaultHttpRequestRetryHandler;
import org.apache.http.impl.client.HttpClientBuilder;

/**
 * @author taichi
 */
public interface Testing {

    static CloseableHttpClient client() {
        HttpClientBuilder builder = HttpClientBuilder.create();
        builder.setDefaultSocketConfig(SocketConfig.custom().setSoTimeout(200).build());
        builder.setRetryHandler(new DefaultHttpRequestRetryHandler(0, false));
        return builder.build();
    }

    @FunctionalInterface
    interface ResponseConsumer {
        void accept(HttpResponse response) throws Exception;
    }

    static void request(HttpUriRequest request, ResponseConsumer fn) throws Exception {
        Using.consume(Testing::client, c -> fn.accept(c.execute(request)));
    }

    static String read(HttpResponse response) throws Exception {
        HttpEntity entity = response.getEntity();
        if (entity == null) {
            return "";
        }
        try (Scanner scanner = new Scanner(entity.getContent(), StandardCharsets.UTF_8.name())) {
            return scanner.useDelimiter("\\A").next();
        }
    }

    static HttpHandler mustCall() {
        return new MockUp<HttpHandler>() {
            @Mock(invocations = 1)
            public void handleRequest(HttpServerExchange exchange) throws Exception {
            }
        }.getMockInstance();
    }

    static HttpHandler empty() {
        return exc -> {
            throw new AssertionError();
        };
    }
}