Translate appearance and outfit parity tests

tests/compat/src/lib.rs

@@ -29,6 +29,43 @@ pub fn block_on<F: Future>(future: F) -> F::Output {
     }
 }
 
+/// Loads the live-grid identity from the process environment or workspace `.env`.
+///
+/// # Panics
+///
+/// Panics when one of `GRID_USER`, `GRID_PASSWORD`, or `GRID_LOGIN_URL` is absent.
+#[must_use]
+pub fn live_grid_credentials() -> (String, String, String, String) {
+    fn credential(name: &str) -> String {
+        if let Ok(value) = std::env::var(name)
+            && !value.trim().is_empty()
+        {
+            return value;
+        }
+        let dotenv = Path::new(env!("CARGO_MANIFEST_DIR"))
+            .join("../..")
+            .join(".env");
+        let contents = std::fs::read_to_string(dotenv).expect("read workspace .env");
+        contents
+            .lines()
+            .find_map(|line| {
+                let line = line.trim().strip_prefix("export ").unwrap_or(line.trim());
+                let (key, value) = line.split_once('=')?;
+                (key.trim() == name).then(|| value.trim().trim_matches(['\'', '"']).to_owned())
+            })
+            .filter(|value| !value.is_empty())
+            .unwrap_or_else(|| panic!("live test requires {name}"))
+    }
+
+    let full_name = credential("GRID_USER");
+    let password = credential("GRID_PASSWORD");
+    let login_url = credential("GRID_LOGIN_URL");
+    let mut names = full_name.split_whitespace();
+    let first = names.next().expect("live first name").to_owned();
+    let last = names.next().expect("live last name").to_owned();
+    (first, last, password, login_url)
+}
+
 /// Asserts equality within the exact absolute tolerance carried by an upstream test.
 ///
 /// # Panics