Organize test code better

tests/e2e/common.rs

@@ -0,0 +1,40 @@
+use std::fs;
+use std::process::Command;
+
+use tempfile::TempDir;
+
+pub fn sandbox_withconfig(extra_args: &[&str]) -> Command {
+    let mut cmd = Command::new(env!("CARGO_BIN_EXE_agent-sandbox"));
+    cmd.args(extra_args);
+    cmd
+}
+
+pub fn sandbox(extra_args: &[&str]) -> Command {
+    let mut cmd = sandbox_withconfig(&["--no-config"]);
+    cmd.args(extra_args);
+    cmd
+}
+
+pub struct ConfigFile {
+    _dir: TempDir,
+    path: String,
+}
+
+impl ConfigFile {
+    pub fn new(content: &str) -> Self {
+        let dir = TempDir::new().unwrap();
+        let path = dir.path().join("config.toml");
+        fs::write(&path, content).expect("failed to write config");
+        Self {
+            _dir: dir,
+            path: path.to_str().unwrap().to_string(),
+        }
+    }
+}
+
+impl std::ops::Deref for ConfigFile {
+    type Target = str;
+    fn deref(&self) -> &str {
+        &self.path
+    }
+}