fluent_testing/
fs.rs

1use std::cell::RefCell;
2use std::collections::HashMap;
3use std::path::PathBuf;
4
5#[derive(Default)]
6pub struct MockFileSystem {
7    files: RefCell<HashMap<String, std::io::Result<String>>>,
8}
9
10impl MockFileSystem {
11    pub fn clear(&self) {
12        self.files.borrow_mut().clear();
13    }
14
15    fn get_test_file_path() -> PathBuf {
16        PathBuf::from(std::env!("CARGO_MANIFEST_DIR")).join("resources")
17    }
18
19    fn get_file(&self, path: &str) -> std::io::Result<String> {
20        let mut tmp = self.files.borrow_mut();
21        let result = tmp.entry(path.to_string()).or_insert_with(|| {
22            let root_path = Self::get_test_file_path();
23            let full_path = root_path.join(path);
24            std::fs::read_to_string(full_path)
25        });
26        match result {
27            Ok(s) => Ok(s.to_string()),
28            Err(e) => Err(std::io::Error::new(e.kind(), "Error")),
29        }
30    }
31
32    #[cfg(feature = "sync")]
33    pub fn get_test_file_sync(&self, path: &str) -> std::io::Result<String> {
34        self.get_file(path)
35    }
36
37    #[cfg(feature = "async")]
38    pub async fn get_test_file_async(&self, path: &str) -> std::io::Result<String> {
39        self.get_file(path)
40    }
41}
fluent_testing/fs.rs

fluent_testing/
fs.rs
