sofiane-dev
diff --git a/‎src/test/java/com/github/dockerjava/netty/exec/CopyArchiveFromContainerCmdExecTest.java‎
Lines changed: 40 additions & 0 deletions b/‎src/test/java/com/github/dockerjava/netty/exec/CopyArchiveFromContainerCmdExecTest.java‎
Lines changed: 40 additions & 0 deletions
diff --git a/‎src/test/resources/testCopyFromArchive/binary.dat‎
288 Bytes b/‎src/test/resources/testCopyFromArchive/binary.dat‎
288 Bytes
@@ -6,7 +6,14 @@
 
 import java.io.InputStream;
 import java.lang.reflect.Method;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardOpenOption;
 
+import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
+import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
+import org.apache.commons.io.IOUtils;
 import org.testng.ITestResult;
 import org.testng.annotations.AfterMethod;
 import org.testng.annotations.AfterTest;
@@ -16,6 +23,7 @@
 
 import com.github.dockerjava.api.command.CreateContainerResponse;
 import com.github.dockerjava.api.exception.NotFoundException;
+import com.github.dockerjava.core.util.CompressArchiveUtil;
 import com.github.dockerjava.netty.AbstractNettyDockerClientTest;
 
 @Test(groups = "integration")
@@ -70,4 +78,36 @@ public void copyFromNonExistingContainer() throws Exception {
         } catch (NotFoundException ignored) {
         }
     }
+
+    @Test
+    public void copyFromContainerBinaryFile() throws Exception {
+        CreateContainerResponse container = dockerClient.createContainerCmd("busybox")
+                .withName("docker-java-itest-copyFromContainerBinaryFile").exec();
+
+        LOG.info("Created container: {}", container);
+        assertThat(container.getId(), not(isEmptyOrNullString()));
+
+        Path temp = Files.createTempFile("", ".tar.gz");
+        Path binaryFile = Paths.get("src/test/resources/testCopyFromArchive/binary.dat");
+        CompressArchiveUtil.tar(binaryFile, temp, true, false);
+
+        try (InputStream uploadStream = Files.newInputStream(temp)) {
+            dockerClient.copyArchiveToContainerCmd(container.getId()).withTarInputStream(uploadStream).exec();
+        }
+
+        InputStream response = dockerClient.copyArchiveFromContainerCmd(container.getId(), "/binary.dat").exec();
+        Boolean bytesAvailable = response.available() > 0;
+        assertTrue(bytesAvailable, "The file was not copied from the container.");
+
+        try (TarArchiveInputStream tarInputStream = new TarArchiveInputStream(response)) {
+            TarArchiveEntry nextTarEntry = tarInputStream.getNextTarEntry();
+
+            assertEquals(nextTarEntry.getName(), "binary.dat");
+            try (InputStream binaryFileInputStream = Files.newInputStream(binaryFile, StandardOpenOption.READ)) {
+                assertTrue(IOUtils.contentEquals(binaryFileInputStream, tarInputStream));
+            }
+
+            assertNull(tarInputStream.getNextTarEntry(), "Nothing except binary.dat is expected to be copied.");
+        }
+    }
 }