Feature/first release

Oprócz zmiany namespace dodana klasa ApiClientOptions i małe testy.

tests/unit/Client/TestClientFactory.php

+<?php
+
+use WPDesk\ApiClient\Client\ClientFactory;
+
+class TestClientFactory extends \PHPUnit\Framework\TestCase
+{
+
+    /**
+     * Prepare client options.
+     *
+     * @param bool $isCachedClient
+     *
+     * @return \Mockery\MockInterface|\WPDesk\ApiClient\Client\ApiClientOptions
+     */
+    private function prepareOptions($isCachedClient = false)
+    {
+        $options = Mockery::mock(\WPDesk\ApiClient\Client\ApiClientOptions::class);
+        $options->shouldReceive('getHttpClientClass')
+                ->withAnyArgs()
+                ->andReturn(\WPDesk\HttpClient\Curl\CurlClient::class);
+
+        $options->shouldReceive('getSerializerClass')
+                ->withAnyArgs()
+                ->andReturn(\WPDesk\ApiClient\Serializer\JsonSerializer::class);
+
+        $options->shouldReceive('getLogger')
+                ->withAnyArgs()
+                ->andReturn(new \Psr\Log\NullLogger());
+
+        $options->shouldReceive('getApiUrl')
+                ->withAnyArgs()
+                ->andReturn('https://app.flexibleshipping.com/api/v1');
+
+        $options->shouldReceive('getDefaultRequestHeaders')
+                ->withAnyArgs()
+                ->andReturn(array());
+
+        $options->shouldReceive('isCachedClient')
+                ->withAnyArgs()
+                ->andReturn($isCachedClient);
+
+        return $options;
+    }
+
+    /**
+     * Test createClient method.
+     */
+    public function testCreateClient()
+    {
+
+        $clientFactory = new ClientFactory();
+        $client = $clientFactory->createClient($this->prepareOptions());
+        $this->assertInstanceOf(\WPDesk\ApiClient\Client\ClientImplementation::class, $client);
+    }
+
+    /**
+     * Test createClient method.
+     */
+    public function testCreateClientCached()
+    {
+
+        $clientFactory = new ClientFactory();
+        $client = $clientFactory->createClient($this->prepareOptions(true));
+        $this->assertInstanceOf(\WPDesk\ApiClient\Client\CachedClient::class, $client);
+    }
+
+}
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