Add Unit Test example

web/app/phpunit.xml.dist

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="./vendor/phpunit/phpunit/phpunit.xsd"
+         bootstrap="test/bootstrap.php"
+         colors="true">
+
+    <testsuites>
+        <testsuite name="PHP Test suite">
+            <directory>./test/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist addUncoveredFilesFromWhitelist="false">
+            <directory suffix=".php">./src</directory>
+            <exclude>
+                <directory suffix=".php">./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+
+    <php>
+        <ini name="date.timezone" value="UTC"/>
+    </php>
+
+</phpunit>

web/app/src/Foo.php

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+<?php
+
+namespace App\Acme;
+
+class Foo
+{
+    public function getName()
+    {
+        return 'Nginx PHP MySQL';
+    }
+}

web/app/test/FooTest.php

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+<?php
+
+namespace AppTest\Acme;
+
+use App\Acme\Foo;
+use PHPUnit\Framework\TestCase;
+
+class FooTest extends TestCase
+{
+    public function testGetName()
+    {
+        $foo = new Foo();
+        $this->assertEquals($foo->getName(), 'Nginx PHP MySQL');
+    }
+}

web/app/test/bootstrap.php

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+<?php
+
+error_reporting(E_ALL | E_STRICT);
+
+/**
+ * Setup autoloading
+ */
+require __DIR__ . '/../vendor/autoload.php';