Upstream: ChildProcessLauncher connects renderer processes of WebAPKs.

content/public/android/javatests/src/org/chromium/content/browser/ChildProcessLauncherTest.java

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.content.browser;
 
 import android.content.Context;
 import android.os.RemoteException;
 import android.test.InstrumentationTestCase;
 import android.test.suitebuilder.annotation.MediumTest;
 
 import org.chromium.base.BaseSwitches;
 import org.chromium.base.library_loader.LibraryLoader;
 import org.chromium.base.library_loader.LibraryProcessType;
+import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.Feature;
 import org.chromium.content.browser.test.util.Criteria;
 import org.chromium.content.browser.test.util.CriteriaHelper;
 
 import java.util.concurrent.Callable;
 
 /**
  * Instrumentation tests for ChildProcessLauncher.
+ * TODO(hanxi): Add tests for assigning {@ChildConnectionAllocator} for different package names
+ * when render processes can be run in WebAPKs.
  */
 public class ChildProcessLauncherTest extends InstrumentationTestCase {
     // Pseudo command line arguments to instruct the child process to wait until being killed.
     // Allowing the process to continue would lead to a crash when attempting to initialize IPC
     // channels that are not being set up in this test.
     private static final String[] sProcessWaitArguments = {
         "_", "--" + BaseSwitches.RENDERER_WAIT_FOR_JAVA_DEBUGGER };
 
     /**
      *  Tests cleanup for a connection that fails to connect in the first place.
      */
     @MediumTest
     @Feature({"ProcessManagement"})
+    @CommandLineFlags.Add(ChildProcessLauncher.SWITCH_NUM_SANDBOXED_SERVICES_FOR_TESTING + "=4")
     public void testServiceFailedToBind() throws InterruptedException, RemoteException {
-        final Context appContext = getInstrumentation().getTargetContext();
-        assertEquals(0, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(0, allocatedChromeSandboxedConnectionsCount());
         assertEquals(0, ChildProcessLauncher.connectedServicesCountForTesting());
 
         // Try to allocate a connection to service class in incorrect package. We can do that by
         // using the instrumentation context (getContext()) instead of the app context
         // (getTargetContext()).
         Context context = getInstrumentation().getContext();
-        ChildProcessLauncher.allocateBoundConnectionForTesting(context);
+        ChildProcessLauncher.allocateBoundConnectionForTesting(
+                context, new ChildProcessCreationParams(context.getPackageName(), 0,
+                        LibraryProcessType.PROCESS_CHILD));
 
         // Verify that the connection is not considered as allocated.
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(0, new Callable<Integer>() {
             @Override
             public Integer call() {
-                return ChildProcessLauncher.allocatedConnectionsCountForTesting(
-                        appContext);
+                return allocatedChromeSandboxedConnectionsCount();
             }
         }));
 
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(0, new Callable<Integer>() {
             @Override
             public Integer call() {
                 return ChildProcessLauncher.connectedServicesCountForTesting();
             }
         }));
     }
 
     /**
      * Tests cleanup for a connection that terminates before setup.
      */
     @MediumTest
     @Feature({"ProcessManagement"})
     public void testServiceCrashedBeforeSetup() throws InterruptedException, RemoteException {
-        final Context appContext = getInstrumentation().getTargetContext();
-        assertEquals(0, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(0, allocatedChromeSandboxedConnectionsCount());
         assertEquals(0, ChildProcessLauncher.connectedServicesCountForTesting());
 
         // Start and connect to a new service.
         final ChildProcessConnectionImpl connection = startConnection();
-        assertEquals(1, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(1, allocatedChromeSandboxedConnectionsCount());
 
         // Verify that the service is not yet set up.
         assertEquals(0, connection.getPid());
         assertEquals(0, ChildProcessLauncher.connectedServicesCountForTesting());
 
         // Crash the service.
         assertTrue(connection.crashServiceForTesting());
 
         // Verify that the connection gets cleaned-up.
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(0, new Callable<Integer>() {
             @Override
             public Integer call() {
-                return ChildProcessLauncher.allocatedConnectionsCountForTesting(
-                        appContext);
+                return allocatedChromeSandboxedConnectionsCount();
             }
         }));
 
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(0, new Callable<Integer>() {
             @Override
             public Integer call() {
                 return ChildProcessLauncher.connectedServicesCountForTesting();
             }
         }));
     }
 
     /**
      * Tests cleanup for a connection that terminates after setup.
      */
     @MediumTest
     @Feature({"ProcessManagement"})
     public void testServiceCrashedAfterSetup() throws InterruptedException, RemoteException {
-        final Context appContext = getInstrumentation().getTargetContext();
-        assertEquals(0, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(0, allocatedChromeSandboxedConnectionsCount());
 
         // Start and connect to a new service.
         final ChildProcessConnectionImpl connection = startConnection();
-        assertEquals(1, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(1, allocatedChromeSandboxedConnectionsCount());
 
         // Initiate the connection setup.
         triggerConnectionSetup(connection);
 
         // Verify that the connection completes the setup.
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(1, new Callable<Integer>() {
             @Override
             public Integer call() {
                 return ChildProcessLauncher.connectedServicesCountForTesting();
             }
         }));
 
         CriteriaHelper.pollInstrumentationThread(
                 new Criteria("The connection failed to get a pid in setup.") {
                     @Override
                     public boolean isSatisfied() {
                         return connection.getPid() != 0;
                     }
                 });
 
         // Crash the service.
         assertTrue(connection.crashServiceForTesting());
 
         // Verify that the connection gets cleaned-up.
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(0, new Callable<Integer>() {
             @Override
             public Integer call() {
-                return ChildProcessLauncher.allocatedConnectionsCountForTesting(
-                        appContext);
+                return allocatedChromeSandboxedConnectionsCount();
             }
         }));
 
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(0, new Callable<Integer>() {
             @Override
             public Integer call() {
                 return ChildProcessLauncher.connectedServicesCountForTesting();
             }
         }));
 
         // Verify that the connection pid remains set after termination.
         assertTrue(connection.getPid() != 0);
     }
 
     /**
      * Tests spawning a pending process from queue.
      */
     @MediumTest
     @Feature({"ProcessManagement"})
     public void testPendingSpawnQueue() throws InterruptedException, RemoteException {
         final Context appContext = getInstrumentation().getTargetContext();
-        assertEquals(0, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(0, allocatedChromeSandboxedConnectionsCount());
 
         // Start and connect to a new service.
         final ChildProcessConnectionImpl connection = startConnection();
-        assertEquals(1, ChildProcessLauncher.allocatedConnectionsCountForTesting(appContext));
+        assertEquals(1, allocatedChromeSandboxedConnectionsCount());
 
         // Queue up a new spawn request. There is no way to kill the pending connection, leak it
         // until the browser restart.
         ChildProcessLauncher.enqueuePendingSpawnForTesting(appContext, sProcessWaitArguments);
         assertEquals(1, ChildProcessLauncher.pendingSpawnsCountForTesting());
 
         // Initiate the connection setup.
         triggerConnectionSetup(connection);
 
         // Verify that the connection completes the setup.
@@ skipping 21 matching lines @@
             @Override
             public Integer call() {
                 return ChildProcessLauncher.pendingSpawnsCountForTesting();
             }
         }));
 
         CriteriaHelper.pollInstrumentationThread(
                 Criteria.equals(1, new Callable<Integer>() {
                     @Override
                     public Integer call() {
-                        return ChildProcessLauncher.allocatedConnectionsCountForTesting(
-                                appContext);
+                        return allocatedChromeSandboxedConnectionsCount();
                     }
                 }));
 
         // Verify that the connection completes the setup for the pending spawn.
         CriteriaHelper.pollInstrumentationThread(Criteria.equals(1, new Callable<Integer>() {
             @Override
             public Integer call() {
                 return ChildProcessLauncher.connectedServicesCountForTesting();
             }
         }));
     }
 
     private ChildProcessConnectionImpl startConnection() throws InterruptedException {
         // Allocate a new connection.
         Context context = getInstrumentation().getTargetContext();
-        final ChildProcessConnectionImpl connection = (ChildProcessConnectionImpl)
-                ChildProcessLauncher.allocateBoundConnectionForTesting(context);
+        final ChildProcessConnectionImpl connection =
+                (ChildProcessConnectionImpl) ChildProcessLauncher.allocateBoundConnectionForTesting(
+                        context, new ChildProcessCreationParams(context.getPackageName(), 0,
+                                LibraryProcessType.PROCESS_CHILD));
 
         // Wait for the service to connect.
         CriteriaHelper.pollInstrumentationThread(
                 new Criteria("The connection wasn't established.") {
                     @Override
                     public boolean isSatisfied() {
                         return connection.isConnected();
                     }
                 });
         return connection;
     }
 
+    /**
+     * Returns the number of Chrome's sandboxed connections.
+     */
+    private int allocatedChromeSandboxedConnectionsCount() {
+        Context context = getInstrumentation().getTargetContext();
+        return ChildProcessLauncher.allocatedSandboxedConnectionsCountForTesting(
+                context, context.getPackageName());
+    }
+
     private void triggerConnectionSetup(ChildProcessConnectionImpl connection) {
         ChildProcessLauncher.triggerConnectionSetup(connection, sProcessWaitArguments, 1,
                 new FileDescriptorInfo[0], ChildProcessLauncher.CALLBACK_FOR_RENDERER_PROCESS, 0);
     }
 
     @Override
     protected void setUp() throws Exception {
         super.setUp();
         LibraryLoader.get(LibraryProcessType.PROCESS_CHILD)
                 .ensureInitialized(getInstrumentation().getTargetContext());
     }
 }