Merge pull request #26 from klarna/integration_tests

Add Checkout API integration tests.

docs/examples/CheckoutAPI/update_checkout.php

@@ -87,6 +87,16 @@
 try {
     $checkout = new Klarna\Rest\Checkout\Order($connector, $orderId);
     $checkout->update($updatedOrder);
+
+    // Get some data if needed
+    echo <<<ORDER
+    Order has been successfully updated
+
+             OrderID: $checkout[order_id]
+    New Order Amount: $checkout[order_amount]
+       New Order Tax: $checkout[order_tax_amount]
+ORDER;
+
 } catch (Exception $e) {
     echo 'Caught exception: ' . $e->getMessage() . "\n";
 }

phpunit.xml.dist

@@ -21,6 +21,10 @@
         <testsuite name="Component Tests">
             <directory>tests/Component</directory>
         </testsuite>
+
+        <testsuite name="Integration Tests">
+            <directory>tests/Integration</directory>
+        </testsuite>
     </testsuites>
 
     <filter>

tests/Integration/Checkout/OrderTest.php

@@ -0,0 +1,123 @@
+<?php
+/**
+ * Copyright 2019 Klarna AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+namespace Klarna\Tests\Integration\Checkout;
+
+use Klarna\Rest\Tests\Integration\TestCase;
+use Klarna\Rest\Transport\Connector;
+use Klarna\Rest\Transport\Exception\ConnectorException;
+
+/**
+ * Integration test cases for the checkout order resource.
+ */
+class OrderTest extends TestCase
+{
+    public function testCreateCheckout()
+    {
+        if (!$this->hasCredentials()) {
+            return $this->markTestSkipped('No credentials provided');
+        }
+
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/create_checkout.php');
+
+        $this->assertFalse($this->hasException($output));
+        $this->assertTrue($this->isTextPresents('OrderID:[ a-zA-Z0-9-]+', $output), 'No OrderID found');
+        $this->assertTrue($this->isTextPresents('Order status:[ a-z]+', $output), 'No Order Status found');
+    }
+
+    public function testFetchNonExisting()
+    {
+        if (!$this->hasCredentials()) {
+            return $this->markTestSkipped('No credentials provided');
+        }
+        putenv('ORDER_ID=12345');
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/fetch_checkout.php');
+        $this->assertTrue($this->hasException($output));
+        $this->assertTrue($this->isTextPresents('404 Not Found', $output));
+    }
+
+    public function testCreateAndFetch()
+    {
+        if (!$this->hasCredentials()) {
+            return $this->markTestSkipped('No credentials provided');
+        }
+
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/create_checkout.php');
+        $this->assertTrue($this->isTextPresents('OrderID:[ a-zA-Z0-9-]+', $output), 'No OrderID found');
+
+        preg_match('/OrderID: ([a-zA-Z0-9-]+)/ims', $output, $matches);
+        $orderId = $matches[1];
+
+        putenv('ORDER_ID=' . $orderId);
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/fetch_checkout.php');
+        $this->assertFalse($this->hasException($output));
+        $this->assertTrue($this->isTextPresents('OrderID:[ a-zA-Z0-9-]+', $output), 'No OrderID found');
+        $this->assertTrue($this->isTextPresents('Order status:[ a-z]+', $output), 'No Order Status found');
+    }
+
+    public function testCreateAndUpdate()
+    {
+        if (!$this->hasCredentials()) {
+            return $this->markTestSkipped('No credentials provided');
+        }
+
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/create_checkout.php');
+        $this->assertTrue($this->isTextPresents('OrderID:[ a-zA-Z0-9-]+', $output), 'No OrderID found');
+
+        preg_match('/OrderID: ([a-zA-Z0-9-]+)/ims', $output, $matches);
+        $orderId = $matches[1];
+
+        putenv('ORDER_ID=' . $orderId);
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/update_checkout.php');
+        $this->assertFalse($this->hasException($output));
+        $this->assertTrue($this->isTextPresents('Order has been successfully updated', $output));
+        $this->assertTrue($this->isTextPresents('New Order Amount: 11000', $output));
+        $this->assertTrue($this->isTextPresents('New Order Tax: 2200', $output));
+    }
+
+    public function testHandlingExceptions()
+    {
+        if (!$this->hasCredentials()) {
+            return $this->markTestSkipped('No credentials provided');
+        }
+
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/create_checkout.php');
+        $this->assertTrue($this->isTextPresents('OrderID:[ a-zA-Z0-9-]+', $output), 'No OrderID found');
+
+        preg_match('/OrderID: ([a-zA-Z0-9-]+)/ims', $output, $matches);
+        $orderId = $matches[1];
+
+        putenv('ORDER_ID=' . $orderId);
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/handling_exceptions.php');
+
+        $this->assertTrue($this->isTextPresents('BAD_REQUEST', $output));
+        $this->assertTrue($this->isTextPresents('Code: 400', $output));
+        $this->assertTrue($this->isTextPresents('CorrelationID:[ a-zA-Z0-9-]+', $output));
+    }
+
+    public function testHandlingExceptionsUnauthorized()
+    {
+        if (!$this->hasCredentials()) {
+            return $this->markTestSkipped('No credentials provided');
+        }
+
+        putenv('PASSWORD=wrong_password');
+        $output = $this->execFile($this->rootPath . '/docs/examples/CheckoutAPI/handling_exceptions.php');
+
+        $this->assertTrue($this->isTextPresents('401 Unauthorized', $output));
+    }
+}

tests/Integration/TestCase.php

@@ -0,0 +1,76 @@
+<?php
+/**
+ * Copyright 2019 Klarna AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * File containing the TestCase class.
+ */
+
+namespace Klarna\Rest\Tests\Integration;
+
+/**
+ * Base unit test case class.
+ */
+class TestCase extends \PHPUnit\Framework\TestCase
+{
+    protected $rootPath;
+    protected $credentials = [];
+
+    protected function hasCredentials()
+    {
+        return !empty($this->credentials);
+    }
+
+    /**
+     * Sets up the test fixtures.
+     */
+    protected function setUp()
+    {
+        $this->rootPath = dirname(dirname(__DIR__));
+        $path = getenv('CREDENTIALS');
+        if ($path === false) {
+            $path = $this->rootPath . '/credentials.json';
+        }
+
+        if (file_exists($path)) {
+            $content = file_get_contents($path);
+            $this->credentials = json_decode($content);
+
+            foreach ($this->credentials as $field => $value) {
+                $field = strtoupper($field);
+                putenv("${field}=${value}");
+            }
+        }
+    }
+
+    protected function execFile($path)
+    {
+        ob_start();
+        include $path;
+        $value = ob_get_contents();
+        ob_end_clean();
+
+        return $value;
+    }
+
+    protected function hasException($output)
+    {
+        return preg_match('/Caught exception/ims', $output) === 1;
+    }
+
+    protected function isTextPresents($pattern, $output)
+    {
+        return preg_match("/${pattern}/ims", $output) === 1;
+    }
+}