Add testing helpers for component testing

Author: maschmann

lib/PhpFlo/Test/ComponentTestHelperTrait.php

@@ -0,0 +1,102 @@
+<?php
+/*
+ * This file is part of the phpflo/core package.
+ *
+ * (c) Marc Aschmann <maschmann@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PhpFlo\Test;
+
+use PhpFlo\Common\ComponentInterface;
+use PhpFlo\Interaction\InternalSocket;
+
+/**
+ * Class ComponentTestHelperTrait
+ *
+ * @package PhpFlo\PhpFloBundle\Test
+ * @author Marc Aschmann <maschmann@gmail.com>
+ */
+trait ComponentTestHelperTrait
+{
+    /**
+     * @var array
+     */
+    private $outPortSockets;
+
+    /**
+     * Fake-connect socket to port.
+     *
+     * @param ComponentInterface $component
+     * @return ComponentInterface
+     */
+    protected function connectInPorts(ComponentInterface $component)
+    {
+        foreach ($component->inPorts() as $alias => $inPort) {
+            $inPort->attach($this->stub(InternalSocket::class));
+        }
+
+        return $component;
+    }
+
+    /**
+     * Fake-connect socket to port and add a storage for later value checks.
+     *
+     * @param ComponentInterface $component
+     * @return ComponentInterface
+     */
+    protected function connectOutPorts(ComponentInterface $component)
+    {
+        $this->outPortSockets = [];
+        $this->outPortCallbacks = [];
+        foreach ($component->outPorts() as $port) {
+            $socket = $this->stub(
+                InternalSocket::class,
+                [
+                    'isConnected' => true,
+                ]
+            );
+            $socket->expects($this->any())
+                ->method('send')
+                ->willReturnCallback(
+                    \Closure::bind(
+                        function ($data) {
+                            $this->data = $data;
+                        },
+                        $socket
+                    )
+                );
+            $this->outPortSockets[$port->getName()] = $socket;
+            $socket->from = [];
+            $socket->to = [];
+            $port->attach($socket);
+        }
+
+        return $component;
+    }
+
+    /**
+     * @param string $port
+     * @return array|mixed
+     */
+    protected function getOutPortData($port = '')
+    {
+        if ('' !== $port) {
+            if (array_key_exists($port, $this->outPortSockets)) {
+                return $this->outPortSockets[$port]->data;
+            }
+        }
+
+        return $this->outPortSockets;
+    }
+
+    /**
+     * @param string $port
+     * @return bool
+     */
+    protected function wasCalled($port)
+    {
+        return !empty($this->outPortSockets[$port]);
+    }
+}

lib/PhpFlo/Test/StubTrait.php

@@ -0,0 +1,59 @@
+<?php
+/*
+ * This file is part of the phpflo/core package.
+ *
+ * (c) Marc Aschmann <maschmann@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace PhpFlo\Test;
+
+/**
+ * Class StubTrait
+ *
+ * @package PhpFlo\PhpFloBundle\Test
+ * @author Marc Aschmann <maschmann@gmail.com>
+ */
+trait StubTrait
+{
+    /**
+     * Will create a stub with several methods and defined return values.
+     * definition:
+     * [
+     *   'myMethod' => 'somevalue',
+     *   'myOtherMethod' => $callback,
+     *   'anotherMethod' => function ($x) use ($y) {},
+     * ]
+     *
+     * @param string $class
+     * @param array $methods
+     * @param string $className classname for mock object
+     * @param bool $forceMethods
+     * @return \PHPUnit_Framework_MockObject_MockObject
+     */
+    protected function stub($class, array $methods = [], $className = '', $forceMethods = false)
+    {
+        $builder = $this->getMockBuilder($class)
+            ->disableOriginalConstructor();
+
+        if (!empty($methods) && $forceMethods) {
+            $builder->setMethods(array_keys($methods));
+        }
+
+        if ('' !== $className) {
+            $builder->setMockClassName($className);
+        }
+
+        $stub = $builder->getMock();
+        foreach ($methods as $method => $value) {
+            if (is_callable($value)) {
+                $stub->expects($this->any())->method($method)->willReturnCallback($value);
+            } else {
+                $stub->expects($this->any())->method($method)->willReturn($value);
+            }
+        }
+
+        return $stub;
+    }
+}