Remove unused fetchLiveVaultBalance and its test

tests/live_balance_test.php

@@ -1,83 +0,0 @@
-<?php
-/**
- * Test for fetchLiveVaultBalance() — the live vault balance helper.
- *
- * Uses a swappable test hook so we don't make real API calls.
- *
- * Run: php tests/live_balance_test.php
- * Exit code 0 = pass.
- */
-
-declare(strict_types=1);
-
-if (!defined('USER_KEYS')) {
-    define('USER_KEYS', [
-        'zarathos' => 'test-key-not-used',
-        'symos'    => 'test-key-not-used',
-    ]);
-}
-
-require_once __DIR__ . '/../includes/exceptions.php';
-require_once __DIR__ . '/../includes/utilities.php';
-
-function fail(string $message): void {
-    fwrite(STDERR, "FAIL: $message\n");
-    exit(1);
-}
-
-function assertSame($expected, $actual, string $label): void {
-    if ($expected !== $actual) {
-        $exp = var_export($expected, true);
-        $act = var_export($actual, true);
-        fail("$label: expected $exp, got $act");
-    }
-}
-
-// Test hook: when set, fetchLiveVaultBalance calls this closure instead of
-// executeApiCall. The closure receives ($url, $apiKey) and returns the
-// decoded response array (or throws).
-$GLOBALS['liveBalanceTestHook'] = null;
-
-function liveBalanceHook($url, $apiKey) {
-    $hook = $GLOBALS['liveBalanceTestHook'] ?? null;
-    if ($hook === null) {
-        fail('Test hook not set — fetchLiveVaultBalance called executeApiCall');
-    }
-    return $hook($url, $apiKey);
-}
-
-// --- Test 1: success path returns the vault amount as int ---
-$GLOBALS['liveBalanceTestHook'] = function ($url, $apiKey) {
-    assertSame('zarathos', $apiKey === 'test-key-not-used' ? 'zarathos' : 'symos', 'api key routed');
-    // (just verify the hook got called)
-    return ['money' => ['vault' => 160627669, 'wallet' => 4000]];
-};
-$balance = fetchLiveVaultBalance('zarathos');
-assertSame(160627669, $balance, 'success returns vault amount');
-
-// --- Test 2: failure path returns null ---
-$GLOBALS['liveBalanceTestHook'] = function () {
-    throw new CurlErrorException('connection refused');
-};
-$balance = fetchLiveVaultBalance('zarathos');
-assertSame(null, $balance, 'failure returns null');
-
-// --- Test 3: missing money.vault returns null ---
-$GLOBALS['liveBalanceTestHook'] = function () {
-    return ['error' => ['code' => 4]];
-};
-$balance = fetchLiveVaultBalance('zarathos');
-assertSame(null, $balance, 'missing field returns null');
-
-// --- Test 4: cache: second call does not invoke the hook twice ---
-$invocations = 0;
-$GLOBALS['liveBalanceTestHook'] = function () use (&$invocations) {
-    $invocations++;
-    return ['money' => ['vault' => 100]];
-};
-fetchLiveVaultBalance('symos');
-fetchLiveVaultBalance('symos');
-fetchLiveVaultBalance('symos');
-assertSame(1, $invocations, 'cache prevents repeated fetches');
-
-echo "OK: fetchLiveVaultBalance tests passed.\n";