Adding test case for pulling file.

src/se/vidstige/jadb/server/AdbDeviceResponder.java

@@ -4,6 +4,7 @@ import se.vidstige.jadb.JadbException;
 import se.vidstige.jadb.RemoteFile;
 
 import java.io.ByteArrayOutputStream;
+import java.io.IOException;
 
 /**
  * Created by vidstige on 20/03/14.
@@ -13,4 +14,5 @@ public interface AdbDeviceResponder {
     String getType();
 
     void filePushed(RemoteFile path, int mode, ByteArrayOutputStream buffer) throws JadbException;
+    void filePulled(RemoteFile path, ByteArrayOutputStream buffer) throws JadbException, IOException;
 }

src/se/vidstige/jadb/server/AdbProtocolHandler.java

@@ -136,6 +136,14 @@ public class AdbProtocolHandler implements Runnable {
             selected.filePushed(new RemoteFile(path), mode, buffer);
             transport.sendStatus("OKAY", 0); // 0 = ignored
         }
+        else if ("RECV".equals(id)) {
+            String remotePath = readString(input, length);
+            SyncTransport transport = new SyncTransport(output, input);
+            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+            selected.filePulled(new RemoteFile(remotePath), buffer);
+            transport.sendStream(new ByteArrayInputStream(buffer.toByteArray()));
+            transport.sendStatus("DONE", 0); // ignored
+        }
         else throw new JadbException("Unknown sync id " + id);
     }
 

test/se/vidstige/jadb/test/MockedTestCases.java

@@ -11,6 +11,8 @@ import se.vidstige.jadb.RemoteFile;
 import se.vidstige.jadb.test.fakes.FakeAdbServer;
 
 import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.nio.charset.Charset;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
@@ -66,6 +68,16 @@ public class MockedTestCases {
         device.push(fileContents, parseDate("1981-08-25 13:37"), 0666, new RemoteFile("/remote/path/abc.txt"));
     }
 
+    @Test
+    public void testPullFile() throws Exception {
+        server.add("serial-123");
+        server.expectPull("serial-123", new RemoteFile("/remote/path/abc.txt")).withContent("foobar");
+        JadbDevice device = connection.getDevices().get(0);
+        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
+        device.pull(new RemoteFile("/remote/path/abc.txt"), buffer);
+        Assert.assertArrayEquals("foobar".getBytes(Charset.forName("utf-8")), buffer.toByteArray());
+    }
+
     private long parseDate(String date) throws ParseException {
         DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm");
         return dateFormat.parse(date).getTime();

test/se/vidstige/jadb/test/fakes/FakeAdbServer.java

@@ -70,6 +70,10 @@ public class FakeAdbServer implements AdbResponder {
         return findBySerial(serial).expectPush(path);
     }
 
+    public ExpectationBuilder expectPull(String serial, RemoteFile path) {
+        return findBySerial(serial).expectPull(path);
+    }
+
     @Override
     public List<AdbDeviceResponder> getDevices() {
         return new ArrayList<AdbDeviceResponder>(devices);
@@ -107,6 +111,20 @@ public class FakeAdbServer implements AdbResponder {
             new JadbException("Unexpected push to device " + serial + " at " + path);
         }
 
+        @Override
+        public void filePulled(RemoteFile path, ByteArrayOutputStream buffer) throws JadbException, IOException {
+            for (FileExpectation fe : expectations) {
+                if (fe.matches(path))
+                {
+                    expectations.remove(fe);
+                    fe.throwIfFail();
+                    fe.returnFile(buffer);
+                    return;
+                }
+            }
+            new JadbException("Unexpected push to device " + serial + " at " + path);
+        }
+
         public void verifyExpectations() {
             org.junit.Assert.assertEquals(0, expectations.size());
         }
@@ -149,6 +167,10 @@ public class FakeAdbServer implements AdbResponder {
             public void verifyContent(byte[] content) {
                 org.junit.Assert.assertArrayEquals(this.content, content);
             }
+
+            public void returnFile(ByteArrayOutputStream buffer) throws IOException {
+                buffer.write(content);
+            }
         }
 
         public ExpectationBuilder expectPush(RemoteFile path) {
@@ -156,5 +178,12 @@ public class FakeAdbServer implements AdbResponder {
             expectations.add(expectation);
             return expectation;
         }
+
+        public ExpectationBuilder expectPull(RemoteFile path) {
+            FileExpectation expectation = new FileExpectation(path);
+            expectations.add(expectation);
+            return expectation;
+        }
+
     }
 }