feat: Move ID tests into their own crate with a CLI (#177)

* fix: ID tests not in correct directory

* refactor: Move game-id test logic into its own crate

* id-tests: Add CLI that reads JSON input

* id-tests: Update crate docs

* Remove node ID test

* id-tests: Don't try to parse unneeded info

* id-tests: Enable cli feature by default

crates/id-tests/src/main.rs

@@ -0,0 +1,31 @@
+#![cfg(feature = "cli")]
+
+use std::collections::HashMap;
+
+/// Format for input games (the same as used in node-gamedig/lib/games.js).
+type GamesInput = HashMap<String, Game>;
+
+#[derive(Debug, Clone, PartialEq, serde::Deserialize)]
+struct Game {
+    name: String,
+}
+
+use gamedig_id_tests::test_game_name_rules;
+
+fn main() {
+    let games: GamesInput = if let Some(file) = std::env::args_os().skip(1).next() {
+        let file = std::fs::OpenOptions::new().read(true).open(file).unwrap();
+
+        serde_json::from_reader(file).unwrap()
+    } else {
+        serde_json::from_reader(std::io::stdin().lock()).unwrap()
+    };
+
+    let failed = test_game_name_rules(
+        games
+            .iter()
+            .map(|(key, game)| (key.as_str(), game.name.as_str())),
+    );
+
+    assert!(failed.is_empty());
+}