add test for cache Repository class (#40817)

Author: imanghafoori1

tests/Cache/CacheRepositoryTest.php

@@ -205,6 +205,36 @@ public function testCacheAddCallsRedisStoreAdd()
         $this->assertTrue($repository->add('k', 'v', 60));
     }
 
+    public function testAddMethodCanAcceptDateIntervals()
+    {
+        $storeWithAdd = m::mock(RedisStore::class);
+        $storeWithAdd->shouldReceive('add')->once()->with('k', 'v', 61)->andReturn(true);
+        $repository = new Repository($storeWithAdd);
+        $this->assertTrue($repository->add('k', 'v', DateInterval::createFromDateString('61 seconds')));
+
+        $storeWithoutAdd = m::mock(ArrayStore::class);
+        $this->assertFalse(method_exists(ArrayStore::class, 'add'), 'This store should not have add method on it.');
+        $storeWithoutAdd->shouldReceive('get')->once()->with('k')->andReturn(null);
+        $storeWithoutAdd->shouldReceive('put')->once()->with('k', 'v', 60)->andReturn(true);
+        $repository = new Repository($storeWithoutAdd);
+        $this->assertTrue($repository->add('k', 'v', DateInterval::createFromDateString('60 seconds')));
+    }
+
+    public function testAddMethodCanAcceptDateTimeInterface()
+    {
+        $withAddStore = m::mock(RedisStore::class);
+        $withAddStore->shouldReceive('add')->once()->with('k', 'v', 61)->andReturn(true);
+        $repository = new Repository($withAddStore);
+        $this->assertTrue($repository->add('k', 'v', Carbon::now()->addSeconds(61)));
+
+        $noAddStore = m::mock(ArrayStore::class);
+        $this->assertFalse(method_exists(ArrayStore::class, 'add'), 'This store should not have add method on it.');
+        $noAddStore->shouldReceive('get')->once()->with('k')->andReturn(null);
+        $noAddStore->shouldReceive('put')->once()->with('k', 'v', 62)->andReturn(true);
+        $repository = new Repository($noAddStore);
+        $this->assertTrue($repository->add('k', 'v', Carbon::now()->addSeconds(62)));
+    }
+
     public function testAddWithNullTTLRemembersItemForever()
     {
         $repo = $this->getRepository();
@@ -221,6 +251,8 @@ public function testAddWithDatetimeInPastOrZeroSecondsReturnsImmediately()
         $this->assertFalse($result);
         $result = $repo->add('foo', 'bar', Carbon::now());
         $this->assertFalse($result);
+        $result = $repo->add('foo', 'bar', -1);
+        $this->assertFalse($result);
     }
 
     public function dataProviderTestGetSeconds()