nix-config: user_specified_trusted_users_effective failing test

Author: colemickens

src/action/common/place_nix_configuration.rs

@@ -354,6 +354,45 @@ impl Action for PlaceNixConfiguration {
 mod tests {
     use super::*;
 
+    #[tokio::test]
+    async fn user_specified_trusted_users_effective() -> eyre::Result<()> {
+        let mut pnc_plan = PlaceNixConfiguration::plan(
+            "nixbuildtest".to_string(),
+            None,
+            None,
+            vec![UrlOrPathOrString::String(String::from(
+                "trusted-users = foouser baruser",
+            ))],
+            false,
+            false,
+        )
+        .await
+        .unwrap();
+
+        let tmp_dir = tempfile::tempdir()?;
+
+        pnc_plan.action.create_or_merge_standard_nix_config.as_mut().unwrap().action.path = tmp_dir.path().join("nix.conf");
+        pnc_plan.action.create_or_merge_custom_nix_config.action.path = tmp_dir.path().join("nix.custom.conf");
+
+        pnc_plan.try_execute().await.unwrap();
+
+        let mut ncs_cmd = tokio::process::Command::new("nix");
+        ncs_cmd.arg("config");
+        ncs_cmd.arg("show");
+
+        ncs_cmd.env("NIX_CONF_DIR", tmp_dir.path());
+
+        let output = crate::execute_command(&mut ncs_cmd).await.unwrap();
+        let output = String::from_utf8(output.stdout).unwrap();
+
+        assert!(
+            output.contains("trusted-users = foouser baruser"),
+            "effective nix config does not contain the user-specified trusted-users value"
+        );
+
+        Ok(())
+    }
+
     #[tokio::test]
     async fn extra_trusted_no_error() -> eyre::Result<()> {
         let nix_config = PlaceNixConfiguration::setup_extra_config(