1 files changed, 24 insertions, 17 deletions
diff --git a/cli/lsp/testing/execution.rs b/cli/lsp/testing/execution.rs
index 4ac565aa0..a952f2c49 100644
--- a/cli/lsp/testing/execution.rs
+++ b/cli/lsp/testing/execution.rs
@@ -33,6 +33,7 @@ use deno_runtime::deno_permissions::Permissions;
 use deno_runtime::tokio_util::create_and_run_current_thread;
 use indexmap::IndexMap;
 use lsp_types::Uri;
+use std::borrow::Cow;
 use std::collections::HashMap;
 use std::collections::HashSet;
 use std::num::NonZeroUsize;
@@ -219,8 +220,9 @@ impl TestRun {
   ) -> Result<(), AnyError> {
     let args = self.get_args();
     lsp_log!("Executing test run with arguments: {}", args.join(" "));
-    let flags =
-      Arc::new(flags_from_vec(args.into_iter().map(From::from).collect())?);
+    let flags = Arc::new(flags_from_vec(
+      args.into_iter().map(|s| From::from(s.as_ref())).collect(),
+    )?);
     let factory = CliFactory::from_flags(flags);
     let cli_options = factory.cli_options()?;
     // Various test files should not share the same permissions in terms of
@@ -452,37 +454,42 @@ impl TestRun {
     Ok(())
   }
 
-  fn get_args(&self) -> Vec<&str> {
-    let mut args = vec!["deno", "test"];
+  fn get_args(&self) -> Vec<Cow<str>> {
+    let mut args = vec![Cow::Borrowed("deno"), Cow::Borrowed("test")];
     args.extend(
       self
         .workspace_settings
         .testing
         .args
         .iter()
-        .map(|s| s.as_str()),
+        .map(|s| Cow::Borrowed(s.as_str())),
     );
-    args.push("--trace-leaks");
-    if self.workspace_settings.unstable && !args.contains(&"--unstable") {
-      args.push("--unstable");
+    args.push(Cow::Borrowed("--trace-leaks"));
+    for unstable_feature in self.workspace_settings.unstable.as_deref() {
+      let flag = format!("--unstable-{unstable_feature}");
+      if !args.contains(&Cow::Borrowed(&flag)) {
+        args.push(Cow::Owned(flag));
+      }
     }
     if let Some(config) = &self.workspace_settings.config {
-      if !args.contains(&"--config") && !args.contains(&"-c") {
-        args.push("--config");
-        args.push(config.as_str());
+      if !args.contains(&Cow::Borrowed("--config"))
+        && !args.contains(&Cow::Borrowed("-c"))
+      {
+        args.push(Cow::Borrowed("--config"));
+        args.push(Cow::Borrowed(config.as_str()));
       }
     }
     if let Some(import_map) = &self.workspace_settings.import_map {
-      if !args.contains(&"--import-map") {
-        args.push("--import-map");
-        args.push(import_map.as_str());
+      if !args.contains(&Cow::Borrowed("--import-map")) {
+        args.push(Cow::Borrowed("--import-map"));
+        args.push(Cow::Borrowed(import_map.as_str()));
       }
     }
     if self.kind == lsp_custom::TestRunKind::Debug
-      && !args.contains(&"--inspect")
-      && !args.contains(&"--inspect-brk")
+      && !args.contains(&Cow::Borrowed("--inspect"))
+      && !args.contains(&Cow::Borrowed("--inspect-brk"))
     {
-      args.push("--inspect");
+      args.push(Cow::Borrowed("--inspect"));
     }
     args
   }