Add file size checking. Rename bankslip_url to china_bank_slip_path in chinabankslip table

tests/Feature/BookingTest.php

@@ -17,7 +17,6 @@ use App\Booking;
 use App\UserBankSlip;
 use App\Role; 
 use App\SettingCredit;
-use Illuminate\Support\Facades\File;
 
 class BookingTest extends TestCase
 {

tests/Feature/ChinaBankSlipTest.php

@@ -0,0 +1,39 @@
+<?php
+
+namespace Tests\Feature;
+
+use Tests\TestCase;
+use Illuminate\Foundation\Testing\WithFaker;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Illuminate\Support\Facades\Storage;
+use Illuminate\Http\UploadedFile;
+use Artisan;
+
+class ChinaBankSlipTest extends TestCase
+{
+    /**
+     * A basic test example.
+     *
+     * @return void
+     */
+    public function testStore(){
+    	Storage::fake('file');
+    	$size_in_kb = 3072;    // 3072KB = 3MB
+    	$china_bank_slips_path = UploadedFile::fake()->image('comp.jpg')->size($size_in_kb);
+        
+    	$response = 
+		$this->postJson('api/upload-china-bankslip',[
+			'china_bank_slips' => $china_bank_slips_path,
+			'actual_transfer_amount' => '12',
+			'details' => "123123",
+			'date' => "123123"
+		]);
+
+		if(!file_exists($china_bank_slips_path) || $size_in_kb > 3072){
+		    $response->assertStatus(400);    
+		}
+		else{
+		    $response->assertSuccessful();
+		}
+    }
+}