current_dir (#20)

* current_dir

* current_dir test

* lib

io-impl/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "io-impl"
-version = "0.9.0"
+version = "0.10.0"
 edition = "2021"
 description = "I/O implementations"
 authors.workspace = true
@@ -10,5 +10,5 @@ repository.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-io-trait = { path = "../io-trait", version = "0.9.0" }
+io-trait = { path = "../io-trait", version = "0.10.0" }
 libc.workspace = true

io-impl/src/lib.rs

@@ -6,7 +6,7 @@ mod windows;
 mod windows_api;
 
 use std::{
-    env::{args, Args},
+    env::{args, current_dir, Args},
     fs::{self, create_dir, File},
     io::{self, Stdout},
     time::Instant,
@@ -57,6 +57,10 @@ impl Io for RealIo {
     fn now(&self) -> Instant {
         Instant::now()
     }
+
+    fn current_dir(&self) -> io::Result<String> {
+        current_dir().map(|x| x.to_string_lossy().to_string())
+    }
 }
 
 #[cfg(test)]
@@ -104,4 +108,10 @@ mod test {
         let io = super::RealIo::default();
         let _ = io.now();
     }
+
+    #[test]
+    fn test_current_dir() {
+        let io = super::RealIo::default();
+        let _ = io.current_dir();
+    }
 }

io-test/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "io-test"
-version = "0.9.0"
+version = "0.10.0"
 edition = "2021"
 description = "I/O implementations for testing"
 authors.workspace = true
@@ -10,7 +10,7 @@ repository.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-io-trait = { path = "../io-trait", version = "0.9.0" }
+io-trait = { path = "../io-trait", version = "0.10.0" }
 
 [dev-dependencies]
 wasm-bindgen-test.workspace = true

io-test/src/lib.rs

@@ -297,6 +297,10 @@ impl Io for VirtualIo {
         *d = d.add(Duration::from_millis(1));
         result
     }
+
+    fn current_dir(&self) -> io::Result<String> {
+        Ok(String::default())
+    }
 }
 
 #[cfg(test)]
@@ -316,6 +320,7 @@ mod test {
         let result = io.read_to_string("test.txt").unwrap();
         assert_eq!(result, "Hello, world!");
         assert_eq!(io.metadata("test.txt").unwrap().len(), 13);
+        assert_eq!(io.current_dir().unwrap(), "");
     }
 
     #[wasm_bindgen_test]

io-trait/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "io-trait"
-version = "0.9.0"
+version = "0.10.0"
 edition = "2021"
 description = "I/O traits"
 authors.workspace = true

io-trait/src/lib.rs

@@ -78,4 +78,5 @@ pub trait Io: Sized {
         }
         Ok(result)
     }
+    fn current_dir(&self) -> io::Result<String>;
 }