Create request/response API tests to match some URLConnectionTest tests.

This is more work towards being able to later delete HttpURLConnectionImpl
without losing test coverage.

Also do some test cleanup.

okhttp-testing-support/src/main/java/okhttp3/FakeDns.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2012 Square, Inc.
+ *
+ * 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 okhttp3;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+public final class FakeDns implements Dns {
+  private List<String> requestedHosts = new ArrayList<>();
+  private List<InetAddress> addresses = Collections.emptyList();
+
+  /** Sets the addresses to be returned by this fake DNS service. */
+  public FakeDns addresses(List<InetAddress> addresses) {
+    this.addresses = new ArrayList<>(addresses);
+    return this;
+  }
+
+  /** Sets the service to throw when a hostname is requested. */
+  public FakeDns unknownHost() {
+    this.addresses = Collections.emptyList();
+    return this;
+  }
+
+  public InetAddress address(int index) {
+    return addresses.get(index);
+  }
+
+  @Override public List<InetAddress> lookup(String hostname) throws UnknownHostException {
+    requestedHosts.add(hostname);
+    if (addresses.isEmpty()) throw new UnknownHostException();
+    return addresses;
+  }
+
+  public void assertRequests(String... expectedHosts) {
+    assertEquals(Arrays.asList(expectedHosts), requestedHosts);
+    requestedHosts.clear();
+  }
+}

okhttp-testing-support/src/main/java/okhttp3/FakeProxySelector.java

@@ -0,0 +1,43 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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 okhttp3;
+
+import java.io.IOException;
+import java.net.Proxy;
+import java.net.ProxySelector;
+import java.net.SocketAddress;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public final class FakeProxySelector extends ProxySelector {
+  public final List<Proxy> proxies = new ArrayList<>();
+
+  public FakeProxySelector addProxy(Proxy proxy) {
+    proxies.add(proxy);
+    return this;
+  }
+
+  @Override public List<Proxy> select(URI uri) {
+    // Don't handle 'socket' schemes, which the RI's Socket class may request (for SOCKS).
+    return uri.getScheme().equals("http") || uri.getScheme().equals("https") ? proxies
+        : Collections.singletonList(Proxy.NO_PROXY);
+  }
+
+  @Override public void connectFailed(URI uri, SocketAddress sa, IOException ioe) {
+  }
+}

okhttp-testing-support/src/main/java/okhttp3/FakeSSLSession.java

@@ -0,0 +1,120 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with this
+ * work for additional information regarding copyright ownership. The ASF
+ * licenses this file to You 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 okhttp3;
+
+import java.security.Principal;
+import java.security.cert.Certificate;
+import javax.net.ssl.SSLPeerUnverifiedException;
+import javax.net.ssl.SSLSession;
+import javax.net.ssl.SSLSessionContext;
+import javax.security.cert.X509Certificate;
+
+public final class FakeSSLSession implements SSLSession {
+  private final Certificate[] certificates;
+
+  public FakeSSLSession(Certificate... certificates) throws Exception {
+    this.certificates = certificates;
+  }
+
+  public int getApplicationBufferSize() {
+    throw new UnsupportedOperationException();
+  }
+
+  public String getCipherSuite() {
+    throw new UnsupportedOperationException();
+  }
+
+  public long getCreationTime() {
+    throw new UnsupportedOperationException();
+  }
+
+  public byte[] getId() {
+    throw new UnsupportedOperationException();
+  }
+
+  public long getLastAccessedTime() {
+    throw new UnsupportedOperationException();
+  }
+
+  public Certificate[] getLocalCertificates() {
+    throw new UnsupportedOperationException();
+  }
+
+  public Principal getLocalPrincipal() {
+    throw new UnsupportedOperationException();
+  }
+
+  public int getPacketBufferSize() {
+    throw new UnsupportedOperationException();
+  }
+
+  public Certificate[] getPeerCertificates() throws SSLPeerUnverifiedException {
+    if (certificates.length == 0) {
+      throw new SSLPeerUnverifiedException("peer not authenticated");
+    } else {
+      return certificates;
+    }
+  }
+
+  public X509Certificate[] getPeerCertificateChain() throws SSLPeerUnverifiedException {
+    throw new UnsupportedOperationException();
+  }
+
+  public String getPeerHost() {
+    throw new UnsupportedOperationException();
+  }
+
+  public int getPeerPort() {
+    throw new UnsupportedOperationException();
+  }
+
+  public Principal getPeerPrincipal() throws SSLPeerUnverifiedException {
+    throw new UnsupportedOperationException();
+  }
+
+  public String getProtocol() {
+    throw new UnsupportedOperationException();
+  }
+
+  public SSLSessionContext getSessionContext() {
+    throw new UnsupportedOperationException();
+  }
+
+  public void putValue(String s, Object obj) {
+    throw new UnsupportedOperationException();
+  }
+
+  public void removeValue(String s) {
+    throw new UnsupportedOperationException();
+  }
+
+  public Object getValue(String s) {
+    throw new UnsupportedOperationException();
+  }
+
+  public String[] getValueNames() {
+    throw new UnsupportedOperationException();
+  }
+
+  public void invalidate() {
+    throw new UnsupportedOperationException();
+  }
+
+  public boolean isValid() {
+    throw new UnsupportedOperationException();
+  }
+}

okhttp-testing-support/src/main/java/okhttp3/RecordingHostnameVerifier.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package okhttp3.testing;
+package okhttp3;
 
 import java.util.ArrayList;
 import java.util.List;