Stop using AuthManager as the source of codex_home (#8846)

codex-rs/core/src/auth.rs

@@ -32,11 +32,7 @@ use crate::token_data::parse_id_token;
 use crate::util::try_parse_error_message;
 use codex_client::CodexHttpClient;
 use codex_protocol::account::PlanType as AccountPlanType;
-#[cfg(any(test, feature = "test-support"))]
-use once_cell::sync::Lazy;
 use serde_json::Value;
-#[cfg(any(test, feature = "test-support"))]
-use tempfile::TempDir;
 use thiserror::Error;
 
 #[derive(Debug, Clone)]
@@ -66,9 +62,6 @@ const REFRESH_TOKEN_UNKNOWN_MESSAGE: &str =
 const REFRESH_TOKEN_URL: &str = "https://auth.openai.com/oauth/token";
 pub const REFRESH_TOKEN_URL_OVERRIDE_ENV_VAR: &str = "CODEX_REFRESH_TOKEN_URL_OVERRIDE";
 
-#[cfg(any(test, feature = "test-support"))]
-static TEST_AUTH_TEMP_DIRS: Lazy<Mutex<Vec<TempDir>>> = Lazy::new(|| Mutex::new(Vec::new()));
-
 #[derive(Debug, Error)]
 pub enum RefreshTokenError {
     #[error("{0}")]
@@ -672,18 +665,12 @@ impl AuthManager {
     }
 
     #[cfg(any(test, feature = "test-support"))]
-    #[expect(clippy::expect_used)]
     /// Create an AuthManager with a specific CodexAuth, for testing only.
     pub fn from_auth_for_testing(auth: CodexAuth) -> Arc<Self> {
         let cached = CachedAuth { auth: Some(auth) };
-        let temp_dir = tempfile::tempdir().expect("temp codex home");
-        let codex_home = temp_dir.path().to_path_buf();
-        TEST_AUTH_TEMP_DIRS
-            .lock()
-            .expect("lock test codex homes")
-            .push(temp_dir);
+
         Arc::new(Self {
-            codex_home,
+            codex_home: PathBuf::from("non-existent"),
             inner: RwLock::new(cached),
             enable_codex_api_key_env: false,
             auth_credentials_store_mode: AuthCredentialsStoreMode::File,
@@ -707,10 +694,6 @@ impl AuthManager {
         self.inner.read().ok().and_then(|c| c.auth.clone())
     }
 
-    pub fn codex_home(&self) -> &Path {
-        &self.codex_home
-    }
-
     /// Force a reload of the auth information from auth.json. Returns
     /// whether the auth value changed.
     pub fn reload(&self) -> bool {