Store cumulative player scores alongside balances

tests/unit/player-score-total-migration.test.ts

@@ -0,0 +1,36 @@
+import Database from 'better-sqlite3';
+import { expect, it } from 'vitest';
+import { migratePlayerScoreTotal } from '../../src/lib/server/db/player-score-total.js';
+import { runMigrations } from '../../src/lib/server/db/migration-runner.js';
+import { migrations } from '../../src/lib/server/db/migrations.js';
+
+it('upgrades old balances to unknown totals and preserves totals on migration replay', () => {
+    const handle = new Database(':memory:');
+    try {
+        const migration = migrations.find(
+            (entry) => entry.name === 'cumulative player score per match'
+        )!;
+        runMigrations(handle, migrations.slice(0, migration.version - 1));
+        handle.exec(`INSERT INTO leaderboard_matches
+            (id,server,game,map,map_key,map_name,started_at,last_received_at,last_event,last_fingerprint)
+            VALUES (1,'server','t5','zombie_theater','t5:zombie_theater','Kino','start','end','game_end','old');
+            INSERT INTO leaderboard_match_players (match_id,guid,best_score,first_seen_at,last_seen_at)
+            VALUES (1,'ace',32000,'start','end')`);
+        runMigrations(handle, migrations);
+        expect(
+            handle.prepare('SELECT best_score,score_total FROM leaderboard_match_players').get()
+        ).toEqual({ best_score: 32000, score_total: null });
+        handle.exec('UPDATE leaderboard_match_players SET score_total=65000');
+        migratePlayerScoreTotal(handle);
+        expect(
+            handle.prepare('SELECT best_score,score_total FROM leaderboard_match_players').get()
+        ).toEqual({ best_score: 32000, score_total: 65000 });
+        for (const value of [-1, 1.5, 'bad'])
+            expect(() =>
+                handle.prepare('UPDATE leaderboard_match_players SET score_total=?').run(value)
+            ).toThrow('CHECK constraint failed');
+        expect(handle.pragma('foreign_key_check')).toEqual([]);
+    } finally {
+        handle.close();
+    }
+});