fix(room_member): Strip join_authorized_via_users_server (#1542)

Added test.

Signed-off-by: Jonathan Sutton <jonathansutton91@proton.me>

src/api/client/state.rs

@@ -1,3 +1,5 @@
+#[cfg(test)]
+mod tests;
 use axum::extract::State;
 use axum_client_ip::InsecureClientIp;
 use conduwuit::{

src/api/client/state/tests.rs

@@ -0,0 +1,34 @@
+use super::*;
+
+#[test]
+fn test_strip_room_member() -> Result<()> {
+	//Test setup
+	let body = r#"
+		{
+			"avatar_url": "Something",
+			"displayname": "Someone",
+			"join_authorized_via_users_server": "@someone:domain.tld",
+			"membership": "join"
+		}"#;
+	println!("JSON (original): {body}");
+	let json: &mut Raw<AnyStateEventContent> =
+		&mut Raw::<AnyStateEventContent>::from_json_string(body.to_string())?;
+	let mut membership_content: RoomMemberEventContent =
+		json.deserialize_as::<RoomMemberEventContent>()?;
+
+	//Begin Test
+	membership_content.join_authorized_via_users_server = None;
+	*json = Raw::<AnyStateEventContent>::from_json_string(serde_json::to_string(
+		&membership_content,
+	)?)?;
+
+	//Compare result
+	let result = json.json().get();
+	println!("JSON (modified): {result}");
+	assert_eq!(
+		result,
+		r#"{"avatar_url":"Something","displayname":"Someone","membership":"join"}"#
+	);
+
+	Ok(())
+}