[Fix] [Connectors-v2-file-ftp] add ftp sink root path test case (apac…

…he#6077)

seatunnel-e2e/seatunnel-connector-v2-e2e/connector-file-ftp-e2e/src/test/java/org/apache/seatunnel/e2e/connector/file/ftp/FtpFileIT.java

@@ -104,6 +104,9 @@ public void startUp() throws Exception {
                 "/home/vsftpd/seatunnel/tmp/seatunnel/read/excel_filter/name=tyrantlucifer/hobby=coding/e2e_filter.xlsx",
                 ftpContainer);
 
+        ContainerUtil.copyFileIntoContainers(
+                "/excel/e2e.xlsx", "/home/vsftpd/seatunnel/e2e.xlsx", ftpContainer);
+
         ftpContainer.execInContainer("sh", "-c", "chmod -R 777 /home/vsftpd/seatunnel/");
         ftpContainer.execInContainer("sh", "-c", "chown -R ftp:ftp /home/vsftpd/seatunnel/");
     }
@@ -136,6 +139,8 @@ public void testFtpFileReadAndWrite(TestContainer container)
         helper.execute("/parquet/fake_to_ftp_file_parquet.conf");
         // test write ftp orc file
         helper.execute("/orc/fake_to_ftp_file_orc.conf");
+        // test write ftp root path excel file
+        helper.execute("/excel/fake_source_to_ftp_root_path_excel.conf");
     }
 
     @AfterAll

seatunnel-e2e/seatunnel-connector-v2-e2e/connector-file-ftp-e2e/src/test/resources/excel/fake_source_to_ftp_root_path_excel.conf

@@ -0,0 +1,85 @@
+#
+# 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.
+#
+
+env {
+  parallelism = 1
+  job.mode = "BATCH"
+
+  # You can set spark configuration here
+  spark.app.name = "SeaTunnel"
+  spark.executor.instances = 1
+  spark.executor.cores = 1
+  spark.executor.memory = "1g"
+  spark.master = local
+}
+
+source {
+  FakeSource {
+    result_table_name = "ftp"
+    schema = {
+      fields {
+        c_map = "map<string, string>"
+        c_array = "array<int>"
+        c_string = string
+        c_boolean = boolean
+        c_tinyint = tinyint
+        c_smallint = smallint
+        c_int = int
+        c_bigint = bigint
+        c_float = float
+        c_double = double
+        c_bytes = bytes
+        c_date = date
+        c_decimal = "decimal(38, 18)"
+        c_timestamp = timestamp
+        c_row = {
+          c_map = "map<string, string>"
+          c_array = "array<int>"
+          c_string = string
+          c_boolean = boolean
+          c_tinyint = tinyint
+          c_smallint = smallint
+          c_int = int
+          c_bigint = bigint
+          c_float = float
+          c_double = double
+          c_bytes = bytes
+          c_date = date
+          c_decimal = "decimal(38, 18)"
+          c_timestamp = timestamp
+        }
+      }
+    }
+  }
+}
+
+sink {
+  FtpFile {
+    host = "ftp"
+    port = 21
+    user = seatunnel
+    password = pass
+    path = "/"
+    source_table_name = "ftp"
+    partition_dir_expression = "${k0}=${v0}"
+    is_partition_field_write_in_file = true
+    file_name_expression = "${transactionId}_${now}"
+    file_format_type = "excel"
+    filename_time_format = "yyyy.MM.dd"
+    is_enable_transaction = true
+  }
+}