feat: Add edge test s3_read_on_wasm (#3802)

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

core/edge/s3_read_on_wasm/.gitignore

@@ -0,0 +1,3 @@
+pkg/
+node_modules/
+dist/

core/edge/s3_read_on_wasm/Cargo.toml

@@ -0,0 +1,35 @@
+# 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.
+
+[package]
+edition = "2021"
+name = "edge_test_s3_read_on_wasm"
+publish = false
+version = "0.0.0"
+
+license.workspace = true
+
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+opendal = { path = "../../", default-features = false, features = ["services-s3"] }
+wasm-bindgen = "0.2.89"
+wasm-bindgen-futures = "0.4.39"
+
+[dev-dependencies]
+wasm-bindgen-test = "0.3.0"

core/edge/s3_read_on_wasm/README.md

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+# S3 Read on WASM
+
+This test is used to ensure opendal can run on WASM target.
+
+## Setup
+
+Start the S3 server at `http://127.0.0.1:9900`
+
+We are using the following config values, please feel free to change based on your own needs.
+
+```rust
+let mut cfg = S3::default();
+cfg.endpoint("http://127.0.0.1:9900");
+cfg.access_key_id("minioadmin");
+cfg.secret_access_key("minioadmin");
+cfg.bucket("opendal");
+cfg.region("us-east-1");
+```
+
+## Install
+
+```shell
+cargo install wasm-pack
+```
+
+## Build
+
+```shell
+wasm-pack build
+```
+
+## Test
+
+NOTE: 
+
+- You need to have Chrome installed.
+- We can't run on node.js yet.
+- We can't run on headless chrome yet.
+
+```shell
+wasm-pack test --chrome
+```

core/edge/s3_read_on_wasm/src/lib.rs

@@ -0,0 +1,57 @@
+// 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 opendal::services::S3;
+use opendal::Operator;
+use wasm_bindgen::prelude::*;
+
+#[wasm_bindgen]
+pub async fn hello_world() -> String {
+    let mut cfg = S3::default();
+    cfg.endpoint("http://127.0.0.1:9900");
+    cfg.access_key_id("minioadmin");
+    cfg.secret_access_key("minioadmin");
+    cfg.bucket("opendal");
+    cfg.region("us-east-1");
+
+    let op = Operator::new(cfg).unwrap().finish();
+    op.write(
+        "test",
+        "Hello, WASM! We are from OpenDAL at rust side!"
+            .as_bytes()
+            .to_vec(),
+    )
+    .await
+    .unwrap();
+    let bs = op.read("test").await.unwrap();
+    String::from_utf8_lossy(&bs).to_string()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use wasm_bindgen_test::wasm_bindgen_test;
+    use wasm_bindgen_test::wasm_bindgen_test_configure;
+
+    wasm_bindgen_test_configure!(run_in_browser);
+
+    #[wasm_bindgen_test]
+    async fn test_hello_world() {
+        let s = hello_world().await;
+        assert_eq!(s, "Hello, WASM! We are from OpenDAL at rust side!")
+    }
+}

core/edge/s3_read_on_wasm/webdriver.json

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+{
+  "moz:firefoxOptions": {
+    "prefs": {
+      "media.navigator.streams.fake": true,
+      "media.navigator.permission.disabled": true
+    },
+    "args": []
+  },
+  "goog:chromeOptions": {
+    "args": [
+      "--use-fake-device-for-media-stream",
+      "--use-fake-ui-for-media-stream"
+    ]
+  }
+}

core/src/services/s3/backend.rs

@@ -863,8 +863,8 @@ impl Builder for S3Builder {
             #[cfg(not(target_arch = "wasm32"))]
             {
                 cfg = cfg.from_profile();
+                cfg = cfg.from_env();
             }
-            cfg = cfg.from_env();
         }
 
         if let Some(v) = self.config.region.take() {