Add UT

src/test/java/org/apache/maven/plugins/deploy/DeployFileMojoTest.java

@@ -276,6 +276,41 @@ public void testDeployIfArtifactIsNotJar() throws Exception {
         assertTrue(file.exists());
     }
 
+    public void testDeployFileIfPackagingIsSet() throws Exception {
+        File testPom = new File(getBasedir(), "target/test-classes/unit/deploy-file-packaging/plugin-config.xml");
+        mojo = (DeployFileMojo) lookupMojo("deploy-file", testPom);
+
+        openMocks = MockitoAnnotations.openMocks(this);
+
+        assertNotNull(mojo);
+
+        DefaultRepositorySystemSession repositorySession = new DefaultRepositorySystemSession();
+        repositorySession.setLocalRepositoryManager(
+                new SimpleLocalRepositoryManagerFactory(new DefaultLocalPathComposer())
+                        .newInstance(repositorySession, new LocalRepository(LOCAL_REPO)));
+        when(session.getRepositorySession()).thenReturn(repositorySession);
+
+        String packaging = (String) getVariableValueFromObject(mojo, "packaging");
+
+        String groupId = (String) getVariableValueFromObject(mojo, "groupId");
+
+        String artifactId = (String) getVariableValueFromObject(mojo, "artifactId");
+
+        String version = (String) getVariableValueFromObject(mojo, "version");
+
+        assertEquals("differentpackaging", packaging);
+
+        mojo.execute();
+
+        File deployedArtifact = new File(
+                remoteRepo,
+                "deploy-file-packaging/" + groupId.replace('.', '/') + "/"
+                        + artifactId + "/" + version + "/" + artifactId + "-"
+                        + version + "." + packaging);
+
+        assertTrue(deployedArtifact.exists());
+    }
+
     private void addFileToList(File file, List<String> fileList) {
         if (!file.isDirectory()) {
             fileList.add(file.getName());

src/test/resources/unit/deploy-file-packaging/plugin-config.xml

@@ -0,0 +1,36 @@
+<!--
+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.
+-->
+
+<project>
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-deploy-plugin</artifactId>
+                <configuration>
+                    <groupId>org.apache.maven.test</groupId>
+                    <artifactId>maven-deploy-file-test</artifactId>
+                    <version>1.0</version>
+                    <packaging>differentpackaging</packaging>
+                    <file>${basedir}/src/test/resources/unit/deploy-file-packaging/target/deploy-test-file-1.0-SNAPSHOT.jar</file>
+                    <repositoryId>deploy-test</repositoryId>
+                    <url>file://${basedir}/target/remote-repo/deploy-file-packaging</url>
+                    <generatePom>true</generatePom>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>