Add a test to cover

Signed-off-by: Xuanwo <[email protected]>

.github/services/webhdfs/webhdfs_with_user_name/action.yml

@@ -0,0 +1,37 @@
+# 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.
+
+name: webhdfs
+description: "Behavior test for webhdfs with user name specified"
+
+runs:
+  using: "composite"
+  steps:
+    - name: Setup webhdfs
+      shell: bash
+      working-directory: fixtures/webhdfs
+      run: |
+        docker compose -f docker-compose-webhdfs.yml up -d --wait
+    - name: Setup
+      shell: bash
+      run: |
+        cat << EOF >> $GITHUB_ENV
+        OPENDAL_WEBHDFS_ROOT=/
+        OPENDAL_WEBHDFS_ENDPOINT=http://127.0.0.1:9870
+        OPENDAL_WEBHDFS_ATOMIC_WRITE_DIR=.opendal_tmp/
+        OPENDAL_WEBHDFS_USER_NAME=opendal
+        EOF

core/src/services/webhdfs/backend.rs

@@ -104,9 +104,9 @@ impl WebhdfsBuilder {
     /// Set the username of this backend,
     /// used for authentication
     ///
-    pub fn username(mut self, username: &str) -> Self {
-        if !username.is_empty() {
-            self.config.user_name = Some(username.to_string());
+    pub fn user_name(mut self, user_name: &str) -> Self {
+        if !user_name.is_empty() {
+            self.config.user_name = Some(user_name.to_string());
         }
         self
     }