more test cases added

Author: MusheAbdulHakim

tests/Factory.php

@@ -0,0 +1,37 @@
+<?php
+
+use MusheAbdulHakim\Paystack\Client;
+use MusheAbdulHakim\Paystack\Factory;
+use Psr\Http\Client\ClientInterface;
+
+it('can create a client with a secret key', function () {
+    $client = (new Factory())->withSecretKey('sk_test_123')->make();
+
+    expect($client)->toBeInstanceOf(Client::class);
+});
+
+it('can create a client with a public key', function () {
+    $client = (new Factory())->withPublicKey('pk_test_123')->make();
+
+    expect($client)->toBeInstanceOf(Client::class);
+});
+
+it('can create a client with a base URI', function () {
+    $client = (new Factory())->withBaseUri('https://example.com')->make();
+
+    expect($client)->toBeInstanceOf(Client::class);
+});
+
+it('can create a client with a custom HTTP client', function () {
+    $httpClient = Mockery::mock(ClientInterface::class);
+
+    $client = (new Factory())->withHttpClient($httpClient)->make();
+
+    expect($client)->toBeInstanceOf(Client::class);
+});
+
+it('can create a client with a custom HTTP header', function () {
+    $client = (new Factory())->withHttpHeader('X-Custom', 'value')->make();
+
+    expect($client)->toBeInstanceOf(Client::class);
+});

tests/Paystack.php

@@ -5,6 +5,31 @@
 use MusheAbdulHakim\Paystack\Factory;
 use MusheAbdulHakim\Paystack\Paystack;
 
+it('can initialize the client factory', function () {
+    $factory = Paystack::init('secret');
+    expect($factory)->toBeInstanceOf(Factory::class);
+});
+
+it('can create a client with secret key', function () {
+    $client = Paystack::client('secret');
+    expect($client)->toBeInstanceOf(Client::class);
+});
+
+it('can create a client with secret key and base uri', function () {
+    $client = Paystack::client('secret', 'https://example.com');
+    expect($client)->toBeInstanceOf(Client::class);
+});
+
+it('can create a new factory instance', function () {
+    $factory = Paystack::factory();
+    expect($factory)->toBeInstanceOf(Factory::class);
+});
+
+it('should return a Factory instance when calling init', function () {
+    $factory = Paystack::init('test_secret');
+    expect($factory)->toBeInstanceOf(Factory::class);
+});
+
 it('may create client', function () {
     $paystack = Paystack::client('key');
     expect($paystack)->toBeInstanceOf(Client::class);