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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.net;
import android.net.Network;
import org.json.JSONException;
import org.json.JSONObject;
import org.chromium.base.annotations.JNINamespace;
import org.chromium.base.annotations.NativeMethods;
import org.chromium.net.impl.CronetEngineBuilderImpl;
import org.chromium.net.impl.CronetUrlRequest;
import org.chromium.net.impl.CronetUrlRequestContext;
/**
* Utilities for Cronet testing
*/
@JNINamespace("cronet")
public class CronetTestUtil {
// QUIC test domain must match the certificate used
// (quic-chain.pem and quic-leaf-cert.key), and the file served (
// components/cronet/android/test/assets/test/quic_data/simple.txt).
static final String QUIC_FAKE_HOST = "test.example.com";
private static final String[] TEST_DOMAINS = {QUIC_FAKE_HOST};
private static final String LOOPBACK_ADDRESS = "127.0.0.1";
/**
* Generates rules for customized DNS mapping for testing hostnames used by test servers,
* namely:
* <ul>
* <li>{@link QuicTestServer#getServerHost}</li>
* </ul>
* Maps the test hostnames to 127.0.0.1.
*/
public static JSONObject generateHostResolverRules() throws JSONException {
return generateHostResolverRules(LOOPBACK_ADDRESS);
}
/**
* Generates rules for customized DNS mapping for testing hostnames used by test servers,
* namely:
* <ul>
* <li>{@link QuicTestServer#getServerHost}</li>
* </ul>
* @param destination host to map to
*/
public static JSONObject generateHostResolverRules(String destination) throws JSONException {
StringBuilder rules = new StringBuilder();
for (String domain : TEST_DOMAINS) {
rules.append("MAP " + domain + " " + destination + ",");
}
return new JSONObject().put("host_resolver_rules", rules);
}
/**
* Prepare {@code cronetEngine}'s network thread so libcronet_test code can run on it.
*/
public static class NetworkThreadTestConnector {
private final CronetUrlRequestContext mRequestContext;
public NetworkThreadTestConnector(CronetEngine cronetEngine) {
mRequestContext = (CronetUrlRequestContext) cronetEngine;
CronetTestUtilJni.get().prepareNetworkThread(
mRequestContext.getUrlRequestContextAdapter());
}
public void shutdown() {
CronetTestUtilJni.get().cleanupNetworkThread(
mRequestContext.getUrlRequestContextAdapter());
}
}
/**
* Returns the value of load flags in |urlRequest|.
* @param urlRequest is the UrlRequest object of interest.
*/
public static int getLoadFlags(UrlRequest urlRequest) {
return CronetTestUtilJni.get().getLoadFlags(
((CronetUrlRequest) urlRequest).getUrlRequestAdapterForTesting());
}
public static boolean doesURLRequestContextExistForTesting(
CronetEngine engine, Network network) {
CronetUrlRequestContext context = (CronetUrlRequestContext) engine;
return CronetTestUtilJni.get().uRLRequestContextExistsForTesting(
context.getUrlRequestContextAdapter(), network.getNetworkHandle());
}
public static void setMockCertVerifierForTesting(
ExperimentalCronetEngine.Builder builder, long mockCertVerifier) {
getCronetEngineBuilderImpl(builder).setMockCertVerifierForTesting(mockCertVerifier);
}
public static CronetEngineBuilderImpl getCronetEngineBuilderImpl(
ExperimentalCronetEngine.Builder builder) {
return (CronetEngineBuilderImpl) builder.getBuilderDelegate();
}
/**
* Returns whether the device supports calling nativeGetTaggedBytes().
*/
public static boolean nativeCanGetTaggedBytes() {
return CronetTestUtilJni.get().canGetTaggedBytes();
}
/**
* Query the system to find out how many bytes were received with tag
* {@code expectedTag} for our UID.
* @param expectedTag the tag to query for.
* @return the count of received bytes.
*/
public static long nativeGetTaggedBytes(int expectedTag) {
return CronetTestUtilJni.get().getTaggedBytes(expectedTag);
}
@NativeMethods("cronet_tests")
interface Natives {
boolean canGetTaggedBytes();
long getTaggedBytes(int expectedTag);
int getLoadFlags(long urlRequestAdapter);
void prepareNetworkThread(long contextAdapter);
void cleanupNetworkThread(long contextAdapter);
boolean uRLRequestContextExistsForTesting(long contextAdapter, long networkHandle);
}
}
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