Improve toString() of Route, Address, and StreamAllocation.

okhttp-tests/src/test/java/okhttp3/AddressTest.java

@@ -15,6 +15,7 @@
  */
 package okhttp3;
 
+import java.net.Proxy;
 import java.util.List;
 import javax.net.SocketFactory;
 import okhttp3.internal.Util;
@@ -48,4 +49,17 @@ public final class AddressTest {
         authenticator, null, protocols, connectionSpecs, new RecordingProxySelector());
     assertFalse(a.equals(b));
   }
+
+  @Test public void addressToString() throws Exception {
+    Address address = new Address("square.com", 80, dns, socketFactory, null, null, null,
+        authenticator, null, protocols, connectionSpecs, proxySelector);
+    assertEquals("Address{square.com:80, proxySelector=RecordingProxySelector}",
+        address.toString());
+  }
+
+  @Test public void addressWithProxyToString() throws Exception {
+    Address address = new Address("square.com", 80, dns, socketFactory, null, null, null,
+        authenticator, Proxy.NO_PROXY, protocols, connectionSpecs, proxySelector);
+    assertEquals("Address{square.com:80, proxy=" + Proxy.NO_PROXY + "}", address.toString());
+  }
 }

okhttp-tests/src/test/java/okhttp3/CallTest.java

@@ -1013,7 +1013,10 @@ private void postBodyRetransmittedAfterAuthorizationFail(String body) throws Exc
     executeSynchronously("/").assertBody("seed connection pool");
 
     // If this succeeds, too many requests were made.
-    executeSynchronously("/").assertFailure(IOException.class);
+    executeSynchronously("/")
+        .assertFailure(IOException.class)
+        .assertFailureMatches("unexpected end of stream on Connection.*"
+            + server.getHostName() + ":" + server.getPort() + ".*");
   }
 
   @Test public void recoverFromTlsHandshakeFailure() throws Exception {

okhttp-tests/src/test/java/okhttp3/RecordedResponse.java

@@ -154,6 +154,12 @@ public RecordedResponse assertFailure(String... messages) {
     return this;
   }
 
+  public RecordedResponse assertFailureMatches(String pattern) {
+    assertNotNull(failure);
+    assertTrue(failure.getMessage(), failure.getMessage().matches(pattern));
+    return this;
+  }
+
   public RecordedResponse assertSentRequestAtMillis(long minimum, long maximum) {
     assertDateInRange(minimum, response.sentRequestAtMillis(), maximum);
     return this;

okhttp-tests/src/test/java/okhttp3/internal/connection/RouteSelectorTest.java

@@ -327,6 +327,12 @@ public final class RouteSelectorTest {
     assertEquals("127.0.0.1", RouteSelector.getHostString(socketAddress));
   }
 
+  @Test public void routeToString() throws Exception {
+    Route route = new Route(httpAddress(), Proxy.NO_PROXY,
+        InetSocketAddress.createUnresolved("host", 1234));
+    assertEquals("Route{host:1234}", route.toString());
+  }
+
   private void assertRoute(Route route, Address address, Proxy proxy, InetAddress socketAddress,
       int socketPort) {
     assertEquals(address, route.address());

okhttp-tests/src/test/java/okhttp3/internal/http/RecordingProxySelector.java

@@ -49,4 +49,8 @@ public void assertRequests(URI... expectedUris) {
         Util.format("%s %s:%d %s", uri, socketAddress.getHostName(), socketAddress.getPort(),
             ioe.getMessage()));
   }
+
+  @Override public String toString() {
+    return "RecordingProxySelector";
+  }
 }

okhttp/src/main/java/okhttp3/Address.java

@@ -180,4 +180,19 @@ && equal(this.hostnameVerifier, that.hostnameVerifier)
     result = 31 * result + (certificatePinner != null ? certificatePinner.hashCode() : 0);
     return result;
   }
+
+  @Override public String toString() {
+    StringBuilder result = new StringBuilder()
+        .append("Address{")
+        .append(url.host()).append(":").append(url.port());
+
+    if (proxy != null) {
+      result.append(", proxy=").append(proxy);
+    } else {
+      result.append(", proxySelector=").append(proxySelector);
+    }
+
+    result.append("}");
+    return result.toString();
+  }
 }

okhttp/src/main/java/okhttp3/Route.java

@@ -96,4 +96,8 @@ public boolean requiresTunnel() {
     result = 31 * result + inetSocketAddress.hashCode();
     return result;
   }
+
+  @Override public String toString() {
+    return "Route{" + inetSocketAddress + "}";
+  }
 }

okhttp/src/main/java/okhttp3/internal/connection/StreamAllocation.java

@@ -26,9 +26,9 @@
 import okhttp3.internal.Util;
 import okhttp3.internal.http.HttpCodec;
 import okhttp3.internal.http1.Http1Codec;
+import okhttp3.internal.http2.ConnectionShutdownException;
 import okhttp3.internal.http2.ErrorCode;
 import okhttp3.internal.http2.Http2Codec;
-import okhttp3.internal.http2.ConnectionShutdownException;
 import okhttp3.internal.http2.StreamResetException;
 
 import static java.util.concurrent.TimeUnit.MILLISECONDS;
@@ -342,7 +342,8 @@ public boolean hasMoreRoutes() {
   }
 
   @Override public String toString() {
-    return address.toString();
+    RealConnection connection = connection();
+    return connection != null ? connection.toString() : address.toString();
   }
 
   public static final class StreamAllocationReference extends WeakReference<StreamAllocation> {