moved tests to subdirs

src/config/tests/load_security_tests.rs

@@ -0,0 +1,84 @@
+use super::*;
+use std::fs;
+use std::path::PathBuf;
+use std::time::{SystemTime, UNIX_EPOCH};
+
+fn write_temp_config(contents: &str) -> PathBuf {
+    let nonce = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .expect("system time must be after unix epoch")
+        .as_nanos();
+    let path = std::env::temp_dir().join(format!("telemt-load-security-{nonce}.toml"));
+    fs::write(&path, contents).expect("temp config write must succeed");
+    path
+}
+
+fn remove_temp_config(path: &PathBuf) {
+    let _ = fs::remove_file(path);
+}
+
+#[test]
+fn load_rejects_server_hello_delay_equal_to_handshake_timeout_budget() {
+    let path = write_temp_config(
+        r#"
+[timeouts]
+client_handshake = 1
+
+[censorship]
+server_hello_delay_max_ms = 1000
+"#,
+    );
+
+    let err = ProxyConfig::load(&path)
+        .expect_err("delay equal to handshake timeout must be rejected");
+    let msg = err.to_string();
+    assert!(
+        msg.contains("censorship.server_hello_delay_max_ms must be < timeouts.client_handshake * 1000"),
+        "error must explain delay<timeout invariant, got: {msg}"
+    );
+
+    remove_temp_config(&path);
+}
+
+#[test]
+fn load_rejects_server_hello_delay_larger_than_handshake_timeout_budget() {
+    let path = write_temp_config(
+        r#"
+[timeouts]
+client_handshake = 1
+
+[censorship]
+server_hello_delay_max_ms = 1500
+"#,
+    );
+
+    let err = ProxyConfig::load(&path)
+        .expect_err("delay larger than handshake timeout must be rejected");
+    let msg = err.to_string();
+    assert!(
+        msg.contains("censorship.server_hello_delay_max_ms must be < timeouts.client_handshake * 1000"),
+        "error must explain delay<timeout invariant, got: {msg}"
+    );
+
+    remove_temp_config(&path);
+}
+
+#[test]
+fn load_accepts_server_hello_delay_strictly_below_handshake_timeout_budget() {
+    let path = write_temp_config(
+        r#"
+[timeouts]
+client_handshake = 1
+
+[censorship]
+server_hello_delay_max_ms = 999
+"#,
+    );
+
+    let cfg = ProxyConfig::load(&path)
+        .expect("delay below handshake timeout budget must be accepted");
+    assert_eq!(cfg.timeouts.client_handshake, 1);
+    assert_eq!(cfg.censorship.server_hello_delay_max_ms, 999);
+
+    remove_temp_config(&path);
+}