<?php

namespace Srmklive\PayPal\Tests;

use GuzzleHttp\Client as HttpClient;
use GuzzleHttp\Handler\MockHandler as HttpMockHandler;
use GuzzleHttp\HandlerStack as HttpHandlerStack;
use GuzzleHttp\Psr7\Response as HttpResponse;
use GuzzleHttp\Psr7\Stream as HttpStream;
use GuzzleHttp\Utils;
use Psr\Http\Message\ResponseInterface;
use Srmklive\PayPal\Services\PayPal as PayPalClient;

trait MockClientClasses
{
    private function mock_http_client($response): HttpClient
    {
        $mock = new HttpMockHandler([
            new HttpResponse(
                200,
                [],
                ($response === false) ? '' : Utils::jsonEncode($response)
            ),
        ]);

        $handler = HttpHandlerStack::create($mock);

        return new HttpClient(['handler' => $handler]);
    }

    private function mock_http_request($expectedResponse, $expectedEndpoint, $expectedParams, $expectedMethod = 'post')
    {
        $set_method_name = ($this->setMethodsFunction() === true) ? 'onlyMethods' : 'setMethods';

        $mockResponse = $this->getMockBuilder(ResponseInterface::class)
            ->getMock();
        $mockResponse->expects($this->exactly(1))
            ->method('getBody')
            ->willReturn(new HttpStream(fopen('data://text/plain,'.$expectedResponse, 'r')));

        $mockHttpClient = $this->getMockBuilder(HttpClient::class)
            ->{$set_method_name}([$expectedMethod])
            ->getMock();
        $mockHttpClient->expects($this->once())
            ->method($expectedMethod)
            ->with($expectedEndpoint, $expectedParams)
            ->willReturn($mockResponse);

        return $mockHttpClient;
    }

    private function mock_client($expectedResponse, $expectedMethod, $token = false, $additionalMethod = null)
    {
        $set_method_name = ($this->setMethodsFunction() === true) ? 'onlyMethods' : 'setMethods';

        $methods = [$expectedMethod, 'setApiCredentials'];
        $methods[] = ($token) ? 'getAccessToken' : '';
        $methods[] = isset($additionalMethod) ? $additionalMethod : '';

        $mockClient = $this->getMockBuilder(PayPalClient::class)
            ->{$set_method_name}(array_filter($methods))
            ->getMock();

        if ($token) {
            $mockClient->expects($this->exactly(1))
                ->method('getAccessToken');
        }

        if (isset($additionalMethod)) {
            $mockClient->expects($this->any())
            ->method($additionalMethod);
        }

        $mockClient->expects($this->exactly(1))
            ->method('setApiCredentials');

        $mockClient->expects($this->exactly(1))
            ->method($expectedMethod)
            ->willReturn($expectedResponse);

        return $mockClient;
    }

    private function getMockCredentials(): array
    {
        return [
            'mode'    => 'sandbox',
            'sandbox' => [
                'client_id'     => 'some-client-id',
                'client_secret' => 'some-access-token',
                'app_id'        => 'some-app-id',
            ],
            'payment_action' => 'Sale',
            'currency'       => 'USD',
            'notify_url'     => '',
            'locale'         => 'en_US',
            'validate_ssl'   => true,
        ];
    }

    private function getApiCredentials(): array
    {
        return [
            'mode'    => 'sandbox',
            'sandbox' => [
                'client_id'     => 'AbJgVQM6g57qPrXimGkBz1UaBOXn1dKLSdUj7BgiB3JhzJRCapzCnkPq6ycOOmgXHtnDZcjwLMJ2IdAI',
                'client_secret' => 'EPd_XBNkfhU3-MlSw6gpa6EJj9x8QBdsC3o77jZZWjcFy_hrjR4kzBP8QN3MPPH4g52U_acG4-ogWUxI',
                'app_id'        => 'APP-80W284485P519543T',
            ],
            'payment_action' => 'Sale',
            'currency'       => 'USD',
            'notify_url'     => '',
            'locale'         => 'en_US',
            'validate_ssl'   => true,
        ];
    }

    protected function setMethodsFunction(): bool
    {
        $useOnlyMethods = false;

        foreach (['8.1', '8.2', '8.3'] as $php_version) {
            if (strpos(phpversion(), $php_version) !== false) {
                $useOnlyMethods = true;
            }
        }

        return $useOnlyMethods;
    }
}

• [D] Feature
• [D] Mocks
• [D] Unit
• [F] MockClientClasses.php
  Delete
• [F] MockRequestPayloads.php
  Delete
• [F] MockResponsePayloads.php
  Delete
• [F] Pest.php
  Delete

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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}