test-programs: learn how to preopen a dir again

2020-12-11 16:38:55 -08:00
parent 30d49d122c
commit 759455192b
4 changed files with 51 additions and 42 deletions
--- a/crates/test-programs/build.rs
+++ b/crates/test-programs/build.rs
@@ -144,7 +144,11 @@ mod wasi_tests {
        let workspace = if no_preopens(testsuite, stemstr) {
            "None"
        } else {
-            "Some(std::path::Path::new(&bin_name))"
+            writeln!(
+                out,
+                "        let workspace = utils::prepare_workspace(&bin_name)?;"
+            )?;
+            "Some(workspace.path())"
        };
        writeln!(
            out,