try a diff approach

Author: sylvestre

Cargo.lock

@@ -263,6 +263,10 @@ feat_os_windows_legacy = [
 # * bypass/override ~ translate 'test' feature name to avoid dependency collision with rust core 'test' crate (o/w surfaces as compiler errors during testing)
 test = ["uu_test"]
 
+[workspace]
+members = ["tests/uutests"]
+default-members = ["."]
+
 [workspace.package]
 readme = "README.package.md"
 
@@ -492,6 +496,7 @@ yes = { optional = true, version = "0.0.29", package = "uu_yes", path = "src/uu/
 #pin_cc = { version="1.0.61, < 1.0.62", package="cc" } ## cc v1.0.62 has compiler errors for MinRustV v1.32.0, requires 1.34 (for `std::str::split_ascii_whitespace()`)
 
 [dev-dependencies]
+uutests = { workspace = true }
 chrono = { workspace = true }
 filetime = { workspace = true }
 glob = { workspace = true }
@@ -504,7 +509,7 @@ sha1 = { workspace = true, features = ["std"] }
 tempfile = { workspace = true }
 time = { workspace = true, features = ["local-offset"] }
 unindent = "0.2.3"
-uutests = { workspace = true }
+#uutests = { workspace = true }
 uucore = { workspace = true, features = [
   "mode",
   "entries",

Cargo.toml

@@ -51,6 +51,7 @@ fn util_name_double() {
     // input invalid utf8 to cause an error
     child.stdin.take().unwrap().write_all(&[255]).unwrap();
     let output = child.wait_with_output().unwrap();
+println!("output.stderr = {:?}", output.stderr);
     assert!(String::from_utf8(output.stderr).unwrap().contains("sort: "));
 }
 

tests/test_util_name.rs

@@ -59,3 +59,6 @@ xattr = { workspace = true }
 serde = { version = "1.0.202", features = ["derive"] }
 bincode = { version = "1.3.3" }
 serde-big-array = "0.5.1"
+
+[build-dependencies]
+cargo_metadata = "0.19.1"

tests/uutests/Cargo.toml

@@ -0,0 +1,18 @@
+use std::env;
+use cargo_metadata::MetadataCommand;
+
+fn main() {
+    // Get the target directory from cargo
+    let metadata = MetadataCommand::new().no_deps().exec().unwrap();
+    let target_dir = metadata.target_directory;
+    
+    // Determine the profile (debug or release)
+    let profile = env::var("PROFILE").unwrap_or_else(|_| "debug".to_string());
+    
+    // Construct the path to the coreutils binary
+    let binary_name = if cfg!(windows) { "coreutils.exe" } else { "coreutils" };
+    let binary_path = target_dir.join(profile).join(binary_name);
+    
+    // Output the binary path for use in the tests
+    println!("cargo:rustc-env=CARGO_BIN_EXE_coreutils={}", binary_path);
+}

tests/uutests/build.rs

@@ -38,7 +38,6 @@ use std::os::unix::process::CommandExt;
 use std::os::unix::process::ExitStatusExt;
 #[cfg(windows)]
 use std::os::windows::fs::{symlink_dir, symlink_file};
-use std::path::MAIN_SEPARATOR;
 use std::path::{Path, PathBuf};
 #[cfg(windows)]
 use std::path::MAIN_SEPARATOR_STR;
@@ -61,10 +60,14 @@ static MULTIPLE_STDIN_MEANINGLESS: &str = "Ucommand is designed around a typical
 static NO_STDIN_MEANINGLESS: &str = "Setting this flag has no effect if there is no stdin";
 static END_OF_TRANSMISSION_SEQUENCE: &[u8] = b"\n\x04";
 
+pub fn get_tests_binary() -> String {
+//env::current_exe().unwrap().into_os_string().into_string().unwrap()
+    env!("CARGO_BIN_EXE_coreutils").to_string()
+}
 // we can't use
 // pub const TESTS_BINARY: &str = env!("CARGO_BIN_EXE_coreutils");
 // as we are in a library, not a binary
-pub fn get_tests_binary() -> String {
+/*pub fn get_tests_binary() -> String {
     std::env::var("CARGO_BIN_EXE_coreutils").unwrap_or_else(|_| {
         let manifest_dir = Path::new(env!("CARGO_MANIFEST_DIR"));
         let mut target_dir = manifest_dir.to_path_buf();
@@ -129,7 +132,7 @@ pub fn get_tests_binary() -> String {
         log_info("3= tmp", &tmp);
         tmp
     })
-}
+}*/
 
 pub const PATH: &str = env!("PATH");