Update assertSessionMissing to allow checking for specific value (#55763)

Author: nexxai

src/Illuminate/Testing/TestResponse.php

@@ -1640,19 +1640,26 @@ public function assertSessionHasErrorsIn($errorBag, $keys = [], $format = null)
      * Assert that the session does not have a given key.
      *
      * @param  string|array  $key
+     * @param  mixed  $value
      * @return $this
      */
-    public function assertSessionMissing($key)
+    public function assertSessionMissing($key, $value = null)
     {
         if (is_array($key)) {
             foreach ($key as $value) {
                 $this->assertSessionMissing($value);
             }
-        } else {
+        }
+
+        if (is_null($value)) {
             PHPUnit::withResponse($this)->assertFalse(
                 $this->session()->has($key),
                 "Session has unexpected key [{$key}]."
             );
+        } elseif ($value instanceof Closure) {
+            PHPUnit::withResponse($this)->assertTrue($value($this->session()->get($key)));
+        } else {
+            PHPUnit::withResponse($this)->assertEquals($value, $this->session()->get($key));
         }
 
         return $this;

tests/Testing/TestResponseTest.php

@@ -2807,6 +2807,18 @@ public function testAssertSessionMissing()
         $response->assertSessionMissing('foo');
     }
 
+    public function testAssertSessionMissingValue()
+    {
+        $this->expectException(AssertionFailedError::class);
+
+        app()->instance('session.store', $store = new Store('test-session', new ArraySessionHandler(1)));
+
+        $store->put('foo', 'goodvalue');
+
+        $response = TestResponse::fromBaseResponse(new Response());
+        $response->assertSessionMissing('foo', 'badvalue');
+    }
+
     public function testAssertSessionHasInput()
     {
         app()->instance('session.store', $store = new Store('test-session', new ArraySessionHandler(1)));