[GitHub] [incubator-opendal] suyanhanx commented on a diff in pull request #2286: test(core): test for append

["suyanhanx (via GitHub)" <gi...@apache.org>]

suyanhanx commented on code in PR #2286:
URL: https://github.com/apache/incubator-opendal/pull/2286#discussion_r1200552906


##########
core/tests/behavior/append.rs:
##########
@@ -0,0 +1,240 @@
+// 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.
+
+use anyhow::Result;
+use opendal::ops::OpAppend;
+use opendal::EntryMode;
+use opendal::ErrorKind;
+use opendal::Operator;
+
+use super::utils::*;
+
+/// Test services that meet the following capability:
+///
+/// - can_read
+/// - can_write
+/// - can_append
+macro_rules! behavior_append_test {
+    ($service:ident, $($(#[$meta:meta])* $test:ident),*,) => {
+        paste::item! {
+            $(
+                #[test]
+                $(
+                    #[$meta]
+                )*
+                fn [<append_ $test >]() -> anyhow::Result<()> {
+                    match OPERATOR.as_ref() {
+                        Some(op) if op.info().can_read()
+                            && op.info().can_write()
+                            && op.info().can_append() => RUNTIME.block_on($crate::append::$test(op.clone())),
+                        Some(_) => {
+                            log::warn!("service {} doesn't support append, ignored", opendal::Scheme::$service);
+                            Ok(())
+                        },
+                        None => {
+                            Ok(())
+                        }
+                    }
+                }
+            )*
+        }
+    };
+}
+
+#[macro_export]
+macro_rules! behavior_append_tests {
+     ($($service:ident),*) => {
+        $(
+            behavior_append_test!(
+                $service,
+
+                test_append,
+                test_append_to_non_existing_target,
+                test_append_with_dir_path,
+                test_append_with_cache_control,
+                test_append_with_content_type,
+                test_append_with_content_disposition,
+
+                test_fuzz_appender,
+            );
+        )*
+    };
+}
+
+/// Test append to a file must success.
+pub async fn test_append(op: Operator) -> Result<()> {
+    let path = uuid::Uuid::new_v4().to_string();
+    let (content_one, size_one) = gen_bytes();
+    let (content_two, size_two) = gen_bytes();
+
+    op.write(&path, content_one.clone())

Review Comment:
   Oh, you are right. I may need to append it two times.



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