setup composer and test

.gitignore

@@ -1,2 +1,3 @@
 quartus
 src/mccalla
+vendor

composer.json

@@ -0,0 +1,10 @@
+{
+    "name": "computer/build",
+    "description": "computer generator",
+    "autoload": {
+        "psr-0": { "": "src/" }
+    },
+    "require": {
+        "php": ">=5.3.2"
+    }
+}

phpunit.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- http://www.phpunit.de/manual/current/en/appendixes.configuration.html -->
+<phpunit
+    backupGlobals               = "false"
+    backupStaticAttributes      = "false"
+    colors                      = "true"
+    convertErrorsToExceptions   = "true"
+    convertNoticesToExceptions  = "true"
+    convertWarningsToExceptions = "true"
+    processIsolation            = "false"
+    stopOnFailure               = "false"
+    syntaxCheck                 = "false"
+    bootstrap                   = "vendor/autoload.php" >
+
+    <testsuites>
+        <testsuite name="ComputerBuild Project">
+            <directory>src/Tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>src</directory>
+            <exclude>
+                <!--<directory>src/*/Bundle/*Bundle/Tests</directory>-->
+            </exclude>
+        </whitelist>
+    </filter>
+
+</phpunit>

src/ComputerBuild/Vhdl/Statement.php

@@ -17,7 +17,7 @@ public function quoted($expression)
     {
         if ($expression instanceof \string) {
             if (strlen($expression) == 1) {
-                return "'$expression'";
+                return "'".$expression."'";
             } else {
                 return "\"".$expression."\"";
             }

src/Tests/ComputerBuild/Vhdl/StatementTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace Tests\ComputerBuild\Vhdl;
+
+use ComputerBuild\Vhdl\Statement;
+
+class StatementTest extends \PHPUnit_Framework_TestCase
+{
+    /**
+     * @test
+     */
+    public function shouldQuoteStringLengthOfOne()
+    {
+        $this->assertEquals("'u'", (new Statement())->quoted('u'));
+    }
+}