diff --git a/src/Illuminate/Foundation/Testing/Concerns/InteractsWithDatabase.php b/src/Illuminate/Foundation/Testing/Concerns/InteractsWithDatabase.php
index 2378f815094d..517796c1d893 100644
--- a/src/Illuminate/Foundation/Testing/Concerns/InteractsWithDatabase.php
+++ b/src/Illuminate/Foundation/Testing/Concerns/InteractsWithDatabase.php
@@ -24,8 +24,15 @@ trait InteractsWithDatabase
      * @param  string|null  $connection
      * @return $this
      */
-    protected function assertDatabaseHas($table, array $data, $connection = null)
+    protected function assertDatabaseHas($table, array $data = [], $connection = null)
     {
+        if ($table instanceof Model) {
+            $data = [
+                $table->getKeyName() => $table->getKey(),
+                ...$data,
+            ];
+        }
+
         $this->assertThat(
             $this->getTable($table), new HasInDatabase($this->getConnection($connection, $table), $data)
         );
@@ -41,8 +48,15 @@ protected function assertDatabaseHas($table, array $data, $connection = null)
      * @param  string|null  $connection
      * @return $this
      */
-    protected function assertDatabaseMissing($table, array $data, $connection = null)
+    protected function assertDatabaseMissing($table, array $data = [], $connection = null)
     {
+        if ($table instanceof Model) {
+            $data = [
+                $table->getKeyName() => $table->getKey(),
+                ...$data,
+            ];
+        }
+
         $constraint = new ReverseConstraint(
             new HasInDatabase($this->getConnection($connection, $table), $data)
         );
@@ -157,11 +171,7 @@ protected function assertNotSoftDeleted($table, array $data = [], $connection =
      */
     protected function assertModelExists($model)
     {
-        return $this->assertDatabaseHas(
-            $model->getTable(),
-            [$model->getKeyName() => $model->getKey()],
-            $model->getConnectionName()
-        );
+        return $this->assertDatabaseHas($model);
     }
 
     /**
@@ -172,11 +182,7 @@ protected function assertModelExists($model)
      */
     protected function assertModelMissing($model)
     {
-        return $this->assertDatabaseMissing(
-            $model->getTable(),
-            [$model->getKeyName() => $model->getKey()],
-            $model->getConnectionName()
-        );
+        return $this->assertDatabaseMissing($model);
     }
 
     /**
diff --git a/tests/Foundation/FoundationInteractsWithDatabaseTest.php b/tests/Foundation/FoundationInteractsWithDatabaseTest.php
index 34047e1a7db7..2ebb6a99118d 100644
--- a/tests/Foundation/FoundationInteractsWithDatabaseTest.php
+++ b/tests/Foundation/FoundationInteractsWithDatabaseTest.php
@@ -44,12 +44,25 @@ public function testSeeInDatabaseFindsResults()
         $this->assertDatabaseHas($this->table, $this->data);
     }
 
-    public function testAssertDatabaseHasSupportModels()
+    public function testAssertDatabaseHasSupportsModelClass()
     {
         $this->mockCountBuilder(1);
 
         $this->assertDatabaseHas(ProductStub::class, $this->data);
-        $this->assertDatabaseHas(new ProductStub, $this->data);
+    }
+
+    public function testAssertDatabaseHasConstrainsToModel()
+    {
+        $data = $this->data;
+
+        $this->data = [
+            'id' => 1,
+            ...$this->data,
+        ];
+
+        $this->mockCountBuilder(1);
+
+        $this->assertDatabaseHas(new ProductStub(['id' => 1]), $data);
     }
 
     public function testSeeInDatabaseDoesNotFindResults()
@@ -102,12 +115,25 @@ public function testDontSeeInDatabaseDoesNotFindResults()
         $this->assertDatabaseMissing($this->table, $this->data);
     }
 
-    public function testAssertDatabaseMissingSupportModels()
+    public function testAssertDatabaseMissingSupportsModelClass()
     {
         $this->mockCountBuilder(0);
 
         $this->assertDatabaseMissing(ProductStub::class, $this->data);
-        $this->assertDatabaseMissing(new ProductStub, $this->data);
+    }
+
+    public function testAssertDatabaseMissingConstrainsToModel()
+    {
+        $data = $this->data;
+
+        $this->data = [
+            'id' => 1,
+            ...$this->data,
+        ];
+
+        $this->mockCountBuilder(0);
+
+        $this->assertDatabaseMissing(new ProductStub(['id' => 1]), $data);
     }
 
     public function testDontSeeInDatabaseFindsResults()