add upload invoice and test

tests/Feature/BookingTest.php

@@ -107,11 +107,10 @@ class BookingTest extends TestCase
         
         $this->actingAs($this->user)
             ->json('POST', '/api/booking/' . $this->booking->id . '/upload-po', [
-                'file' => UploadedFile::fake()->image('comp.jpg'),
+                'file' =>  $image_url,
                 'amount' => '12345'
             ])
             ->assertSuccessful();
-            
     }
 
     public function testCancel()
@@ -128,7 +127,6 @@ class BookingTest extends TestCase
             ->assertSuccessful();
     }
 
-
     public function testRejectBankSlip()
     {
         $this->actingAs($this->user)
@@ -137,4 +135,24 @@ class BookingTest extends TestCase
             ])
             ->assertSuccessful();
     }
+
+    // Only this is Admin permision required
+    public function testUploadInvoice(){
+        $this->user->roles()->sync([]);
+        $this->user->attachRole(Role::Where('name','admin')->first());
+
+        Storage::fake('invoice_url');
+        $invoice_url = UploadedFile::fake()->create('document.pdf');
+
+        if(!file_exists($invoice_url)){
+            $response->assertStatus(400);    
+        }
+        
+        $this->actingAs($this->user)
+            ->json('POST', '/api/booking/' . $this->booking->id . '/upload-invoice', [
+                'invoice_url' => $invoice_url,
+                'amount' => '12345'
+            ])
+            ->assertSuccessful();
+    }
 }