Translate HTTP and network tests

tests/compat/build.rs

@@ -0,0 +1,30 @@
+use std::path::Path;
+
+const KEYS: [&str; 3] = ["GRID_USER", "GRID_PASSWORD", "GRID_LOGIN_URL"];
+
+fn dotenv_has(path: &Path, key: &str) -> bool {
+    std::fs::read_to_string(path).is_ok_and(|contents| {
+        contents.lines().any(|line| {
+            let line = line.trim().strip_prefix("export ").unwrap_or(line.trim());
+            line.split_once('=').is_some_and(|(name, value)| {
+                name.trim() == key && !value.trim().trim_matches(['\'', '"']).is_empty()
+            })
+        })
+    })
+}
+
+fn main() {
+    let dotenv = Path::new(&std::env::var("CARGO_MANIFEST_DIR").expect("manifest directory"))
+        .join("../..")
+        .join(".env");
+    println!("cargo:rustc-check-cfg=cfg(live_grid_credentials)");
+    println!("cargo:rerun-if-changed={}", dotenv.display());
+    for key in KEYS {
+        println!("cargo:rerun-if-env-changed={key}");
+    }
+    if KEYS.iter().all(|key| {
+        std::env::var(key).is_ok_and(|value| !value.trim().is_empty()) || dotenv_has(&dotenv, key)
+    }) {
+        println!("cargo:rustc-cfg=live_grid_credentials");
+    }
+}