wip

src/Cache.php

@@ -2,13 +2,14 @@
 
 namespace Spatie\Once;
 
+use Countable;
 use WeakMap;
 
-class Cache
+class Cache implements Countable
 {
     protected static self $cache;
 
-    protected WeakMap $values;
+    public WeakMap $values;
 
     protected bool $enabled = true;
 
@@ -76,4 +77,9 @@ public function isEnabled(): bool
     {
         return $this->enabled;
     }
+
+    public function count(): int
+    {
+        return count($this->values);
+    }
 }

tests/OnceTest.php

@@ -10,7 +10,7 @@
     $this->cache->flush();
 });
 
-test('It will run the a callback without arguments only once', function () {
+it('will run the a callback without arguments only once', function () {
     $testClass = new class() {
         public function getNumber()
         {
@@ -30,7 +30,7 @@ public function getNumber()
     }
 });
 
-test('It will run the given callback only once per variation arguments in use', function () {
+it('will run the given callback only once per variation arguments in use', function () {
     $testClass = new class() {
         public function getNumberForLetter($letter)
         {
@@ -50,7 +50,7 @@ public function getNumberForLetter($letter)
     }
 });
 
-test('It will run the given callback only once for falsy result', function () {
+it('will run the given callback only once for falsy result', function () {
     $testClass = new class() {
         public $counter = 0;
 
@@ -69,7 +69,7 @@ public function getNull()
     expect($testClass->counter)->toBe(1);
 });
 
-test('It will work properly with unset objects', function () {
+it('will work properly with unset objects', function () {
     $previousNumbers = [];
 
     foreach (range(1, 5) as $number) {
@@ -85,7 +85,7 @@ public function getNull()
     }
 });
 
-test('It will remember the memoized value when serialized when called in the same request', function () {
+it('will remember the memoized value when serialized when called in the same request', function () {
     $testClass = new TestClass();
 
     $firstNumber = $testClass->getRandomNumber();
@@ -99,7 +99,7 @@ public function getNull()
     expect($testClass->getRandomNumber())->toBe($firstNumber);
 });
 
-test('It will run callback once on static method', function () {
+it('will run callback once on static method', function () {
     $object = new class() {
         public static function getNumber()
         {
@@ -120,7 +120,7 @@ public static function getNumber()
     }
 });
 
-test('It will run callback once on static method per variation arguments in use', function () {
+it('will run callback once on static method per variation arguments in use', function () {
     $object = new class() {
         public static function getNumberForLetter($letter)
         {
@@ -141,7 +141,7 @@ public static function getNumberForLetter($letter)
     }
 });
 
-test('It can flush the entire cache', function () {
+it('can flush the entire cache', function () {
     $testClass = new class() {
         public function getNumber()
         {
@@ -158,7 +158,7 @@ public function getNumber()
     expect($testClass->getNumber())->not()->toBe($firstResult);
 });
 
-test('It can enable and disable the cache', function () {
+it('can enable and disable the cache', function () {
     $testClass = new class() {
         public function getNumber()
         {
@@ -180,13 +180,13 @@ public function getNumber()
     expect($testClass->getNumber())->toBe($testClass->getNumber());
 });
 
-test('It will not throw error with eval', function () {
+it('will not throw error with eval', function () {
     $result = eval('return once( function () { return random_int(1, 1000); } ) ;');
 
     expect(in_array($result, range(1, 1000)))->toBeTrue();
 });
 
-test('It will differentiate between closures', function () {
+it('will differentiate between closures', function () {
     $testClass = new class() {
         public function getNumber()
         {
@@ -214,7 +214,7 @@ public function secondNumber()
     expect($testClass->secondNumber())->not()->toBe($testClass->getNumber());
 });
 
-test('It will run callback once for closure called on differemt lines', function () {
+it('will run callback once for closure called on differemt lines', function () {
     $testClass = new class() {
         public function getNumbers()
         {
@@ -235,7 +235,7 @@ public function getNumbers()
     expect($results[1])->toBe($results[0]);
 });
 
-test('It will work in global functions', function () {
+it('will work in global functions', function () {
     function globalFunction()
     {
         return once(function () {
@@ -246,7 +246,7 @@ function globalFunction()
     expect(globalFunction())->toBe(globalFunction());
 });
 
-test('It will work with two static functions with the same name', function () {
+it('will work with two static functions with the same name', function () {
     $a = new class() {
         public static function getName()
         {
@@ -255,6 +255,7 @@ public static function getName()
             });
         }
     };
+
     $b = new class() {
         public static function getName()
         {
@@ -263,9 +264,22 @@ public static function getName()
             });
         }
     };
+
     $aClass = get_class($a);
     $bClass = get_class($b);
 
     expect($aClass::getName())->toBe('A');
     expect($bClass::getName())->toBe('B');
 });
+
+it('can count the items in the cache', function() {
+    expect($this->cache->count())->toBe(0);
+
+    $testClass = (new TestClass());
+    $testClass->getRandomNumber();
+    expect($this->cache->count())->toBe(1);
+
+    $anotherTestClass = (new TestClass());
+    $anotherTestClass->getRandomNumber();
+    expect($this->cache->count())->toBe(2);
+});

tests/TestClass.php

@@ -4,8 +4,7 @@
 
 class TestClass
 {
-    /** @var int */
-    protected $randomNumber;
+    protected int $randomNumber;
 
     public function __construct()
     {