Add bigfile and openfile flag testcases

clients/filesystem-fuse/Makefile

@@ -62,6 +62,9 @@ doc-test:
 unit-test: doc-test
 	cargo test --no-fail-fast --lib --all-features --workspace
 
+test-it:
+	cargo test --test fuse_test
+
 test-fuse-it:
 	@bash ./tests/bin/run_fuse_testers.sh test
 

clients/filesystem-fuse/src/filesystem.rs

@@ -297,7 +297,7 @@ pub trait FileWriter: Sync + Send {
 #[cfg(test)]
 pub(crate) mod tests {
     use super::*;
-    use libc::{O_APPEND, O_CREAT, O_RDONLY};
+    use libc::{O_CREAT, O_RDONLY, O_RDWR};
     use std::collections::HashMap;
     use std::path::Component;
 
@@ -548,7 +548,7 @@ pub(crate) mod tests {
         async fn test_create_file(&mut self, root_file_id: u64, name: &OsStr) -> FileHandle {
             let file = self
                 .fs
-                .create_file(root_file_id, name, (O_CREAT | O_APPEND) as u32)
+                .create_file(root_file_id, name, (O_CREAT | O_RDWR) as u32)
                 .await;
             assert!(file.is_ok());
             let file = file.unwrap();

clients/filesystem-fuse/src/memory_filesystem.rs

@@ -91,7 +91,7 @@ impl PathFileSystem for MemoryFileSystem {
         Ok(results)
     }
 
-    async fn open_file(&self, path: &Path, _flags: OpenFileFlags) -> Result<OpenedFile> {
+    async fn open_file(&self, path: &Path, flags: OpenFileFlags) -> Result<OpenedFile> {
         let file_stat = self.stat(path).await?;
         let mut opened_file = OpenedFile::new(file_stat);
         match opened_file.file_stat.kind {
@@ -105,8 +105,18 @@ impl PathFileSystem for MemoryFileSystem {
                     .unwrap()
                     .data
                     .clone();
-                opened_file.reader = Some(Box::new(MemoryFileReader { data: data.clone() }));
-                opened_file.writer = Some(Box::new(MemoryFileWriter { data: data }));
+                if flags.is_read() {
+
+                    opened_file.reader = Some(Box::new(MemoryFileReader { data: data.clone() }));
+                }
+                if flags.is_write() || flags.is_append() {
+                    opened_file.writer = Some(Box::new(MemoryFileWriter { data: data.clone() }));
+                }
+
+                if flags.is_truncate() {
+                    let mut data = data.lock().unwrap();
+                    data.clear();
+                }
                 Ok(opened_file)
             }
             _ => Err(Errno::from(libc::EBADF)),
@@ -117,27 +127,19 @@ impl PathFileSystem for MemoryFileSystem {
         self.open_file(path, flags).await
     }
 
-    async fn create_file(&self, path: &Path, _flags: OpenFileFlags) -> Result<OpenedFile> {
-        let mut file_map = self.file_map.write().unwrap();
-        if file_map.contains_key(path) {
+    async fn create_file(&self, path: &Path, flags: OpenFileFlags) -> Result<OpenedFile> {
+        if self.file_map.read().unwrap().contains_key(path) && flags.is_exclusive() {
             return Err(Errno::from(libc::EEXIST));
         }
 
-        let mut opened_file = OpenedFile::new(FileStat::new_file_filestat_with_path(path, 0));
-
-        let data = Arc::new(Mutex::new(Vec::new()));
-        file_map.insert(
-            opened_file.file_stat.path.clone(),
+        self.file_map.write().unwrap().insert(
+            path.to_path_buf(),
             MemoryFile {
                 kind: RegularFile,
-                data: data.clone(),
+                data: Arc::new(Mutex::new(Vec::new())),
             },
         );
-
-        opened_file.reader = Some(Box::new(MemoryFileReader { data: data.clone() }));
-        opened_file.writer = Some(Box::new(MemoryFileWriter { data: data }));
-
-        Ok(opened_file)
+        self.open_file(path, flags).await
     }
 
     async fn create_dir(&self, path: &Path) -> Result<FileStat> {

clients/filesystem-fuse/src/open_dal_filesystem.rs

@@ -120,7 +120,11 @@ impl PathFileSystem for OpenDalFileSystem {
                 .map_err(opendal_error_to_errno)?;
             file.reader = Some(Box::new(FileReaderImpl { reader }));
         }
-        if flags.is_write() || flags.is_create() || flags.is_append() || flags.is_truncate() {
+        if !flags.is_create() && flags.is_append() {
+            return Err(Errno::from(libc::EBADF));
+        }
+
+        if flags.is_write() || flags.is_truncate() {
             let writer = self
                 .op
                 .writer_with(&file_name)

clients/filesystem-fuse/tests/fuse_test.rs

@@ -22,7 +22,8 @@ use gvfs_fuse::config::AppConfig;
 use gvfs_fuse::RUN_TEST_WITH_FUSE;
 use gvfs_fuse::{gvfs_mount, gvfs_unmount, test_enable_with};
 use log::{error, info};
-use std::fs::File;
+use std::fs::{File, OpenOptions};
+use std::io::{Read, Seek, SeekFrom, Write};
 use std::path::Path;
 use std::sync::Arc;
 use std::thread::sleep;
@@ -89,11 +90,6 @@ impl Drop for FuseTest {
 fn test_fuse_with_memory_fs() {
     tracing_subscriber::fmt().init();
 
-    panic::set_hook(Box::new(|info| {
-        error!("A panic occurred: {:?}", info);
-        process::exit(1);
-    }));
-
     let mount_point = "target/gvfs";
     let _ = fs::create_dir_all(mount_point);
 
@@ -104,26 +100,31 @@ fn test_fuse_with_memory_fs() {
     };
 
     test.setup();
-    test_fuse_filesystem(mount_point);
+
+    let test_dir = Path::new(&test.mount_point).join("test_dir");
+    run_tests(&test_dir);
+}
+
+fn run_tests(test_dir: &Path) {
+    fs::create_dir_all(test_dir).expect("Failed to create test dir");
+    test_fuse_filesystem(test_dir);
+    test_big_file(test_dir);
+    test_open_file_flag(test_dir);
 }
 
 #[test]
 fn fuse_it_test_fuse() {
     test_enable_with!(RUN_TEST_WITH_FUSE);
+    let mount_point = Path::new("target/gvfs");
+    let test_dir = mount_point.join("test_dir");
 
-    test_fuse_filesystem("target/gvfs/gvfs_test");
+    run_tests(&test_dir);
 }
 
-fn test_fuse_filesystem(mount_point: &str) {
+fn test_fuse_filesystem(test_path: &Path) {
     info!("Test startup");
-    let base_path = Path::new(mount_point);
-
-    if !file_exists(base_path) {
-        fs::create_dir_all(base_path).expect("Failed to create test dir");
-    }
-
     //test create file
-    let test_file = base_path.join("test_create");
+    let test_file = test_path.join("test_create");
     let file = File::create(&test_file).expect("Failed to create file");
     assert!(file.metadata().is_ok(), "Failed to get file metadata");
     assert!(file_exists(&test_file));
@@ -140,16 +141,16 @@ fn test_fuse_filesystem(mount_point: &str) {
     assert!(!file_exists(&test_file));
 
     //test create directory
-    let test_dir = base_path.join("test_dir");
+    let test_dir = test_path.join("test_dir");
     fs::create_dir(&test_dir).expect("Failed to create directory");
 
     //test create file in directory
-    let test_file = base_path.join("test_dir/test_file");
+    let test_file = test_path.join("test_dir/test_file");
     let file = File::create(&test_file).expect("Failed to create file");
     assert!(file.metadata().is_ok(), "Failed to get file metadata");
 
     //test write file in directory
-    let test_file = base_path.join("test_dir/test_read");
+    let test_file = test_path.join("test_dir/test_read");
     fs::write(&test_file, "read test").expect("Failed to write file");
 
     //test read file in directory
@@ -167,6 +168,121 @@ fn test_fuse_filesystem(mount_point: &str) {
     info!("Success test");
 }
 
+#[allow(clippy::needless_range_loop)]
+fn test_big_file(test_dir: &Path) {
+    if !file_exists(test_dir) {
+        fs::create_dir_all(test_dir).expect("Failed to create test dir");
+    }
+
+    let test_file = test_dir.join("test_big_file");
+    let mut file = File::create(&test_file).expect("Failed to create file");
+    assert!(file.metadata().is_ok(), "Failed to get file metadata");
+    assert!(file_exists(&test_file));
+
+    let round_size: usize = 1024 * 1024;
+    let round: u8 = 10;
+
+    for i in 0..round {
+        let mut content = vec![0; round_size];
+        for j in 0..round_size {
+            content[j] = (i as usize + j) as u8;
+        }
+
+        file.write_all(&content).expect("Failed to write file");
+    }
+    file.flush().expect("Failed to flush file");
+
+    file = File::open(&test_file).expect("Failed to open file");
+    for i in 0..round {
+        let mut buffer = vec![0; round_size];
+        file.read_exact(&mut buffer).unwrap();
+
+        for j in 0..round_size {
+            assert_eq!(buffer[j], (i as usize + j) as u8, "File content mismatch");
+        }
+    }
+
+    fs::remove_file(&test_file).expect("Failed to delete file");
+    assert!(!file_exists(&test_file));
+}
+
+fn test_open_file_flag(test_dir: &Path) {
+    // test open file with read and write create flag
+    let file_path = test_dir.join("test_open_file");
+    let mut file = OpenOptions::new()
+        .write(true)
+        .read(true)
+        .create(true)
+        .open(&file_path)
+        .expect("Failed to open file");
+    // test file offset is 0
+    let offset = file.stream_position().expect("Failed to seek file");
+    assert_eq!(offset, 0, "File offset mismatch");
+
+    // test write can be done
+    let write_content = "write content";
+    file.write_all(write_content.as_bytes())
+        .expect("Failed to write file");
+    let mut content = vec![0; write_content.len()];
+
+    // test read can be done
+    file.seek(SeekFrom::Start(0)).expect("Failed to seek file");
+    file.read_exact(&mut content).expect("Failed to read file");
+    assert_eq!(content, write_content.as_bytes(), "File content mismatch");
+
+    // test open file with read flag
+    let mut file = OpenOptions::new()
+        .read(true)
+        .open(&file_path)
+        .expect("Failed to open file");
+    // test reaad can be done
+    let mut content = vec![0; write_content.len()];
+    file.read_exact(&mut content).expect("Failed to read file");
+    assert_eq!(content, write_content.as_bytes(), "File content mismatch");
+
+    // test write can be have error
+    let result = file.write_all(write_content.as_bytes());
+    if let Err(e) = result {
+        assert_eq!(e.to_string(), "Bad file descriptor (os error 9)");
+    }
+
+    // test open file with truncate file
+    // test file size is not 0
+    let old_file_size = file.metadata().expect("Failed to get file metadata").len();
+    assert_eq!(old_file_size, write_content.len() as u64);
+
+    let mut file = OpenOptions::new()
+        .write(true)
+        .truncate(true)
+        .open(&file_path)
+        .expect("Failed to open file");
+    // validate file size is 0
+    let file_size = file.metadata().expect("Failed to get file metadata").len();
+    assert_eq!(file_size, 0, "File size mismatch");
+    // validate file offset is 0
+    let offset = file.stream_position().expect("Failed to seek file");
+    assert_eq!(offset, 0, "File offset mismatch");
+
+    file.write_all(write_content.as_bytes())
+        .expect("Failed to write file");
+
+    // test open file with append flag
+    let mut file = OpenOptions::new()
+        .append(true)
+        .open(&file_path)
+        .expect("Failed to open file");
+    // test append
+    file.write_all(write_content.as_bytes())
+        .expect("Failed to write file");
+    let file_len = file.metadata().expect("Failed to get file metadata").len();
+    // validate file size is 2 * write_content.len()
+    assert_eq!(
+        file_len,
+        2 * write_content.len() as u64,
+        "File size mismatch"
+    );
+}
+
 fn file_exists<P: AsRef<Path>>(path: P) -> bool {
     fs::metadata(path).is_ok()
 }