adding tests for the Flat Square layout

spec/PUGX/Poser/Render/SvgFlatSquareRenderSpec.php

@@ -0,0 +1,69 @@
+<?php
+
+namespace spec\PUGX\Poser\Render;
+
+use PhpSpec\Exception\Exception;
+use PhpSpec\ObjectBehavior;
+use Prophecy\Argument;
+use PUGX\Poser\Badge;
+use PUGX\Poser\Calculator\GDTextSizeCalculator;
+use PUGX\Poser\Calculator\TextSizeCalculatorInterface;
+
+class SvgFlatSquareRenderSpec extends ObjectBehavior
+{
+    function let(TextSizeCalculatorInterface $calculator)
+    {
+        $calculator->calculateWidth(Argument::any())->willReturn(20);
+        $this->beConstructedWith($calculator);
+    }
+
+    function it_should_render_a_svg()
+    {
+        $badge = Badge::fromURI('version-stable-97CA00.svg');
+        $this->render($badge)->shouldBeAValidSVGImage();
+    }
+
+    public function getMatchers()
+    {
+        return array(
+            'beAValidSVGImage' => function($subject) {
+
+                $regex = '/^<svg.*width="((.|\n)*)<\/svg>$/';
+                $matches = array();
+
+                return preg_match($regex, (string) $subject, $matches, PREG_OFFSET_CAPTURE, 0);
+            }
+        );
+    }
+
+    function it_should_render_a_license_mit_exactly_like_this_svg()
+    {
+        $template  = <<<EOF
+<svg xmlns="http://www.w3.org/2000/svg" width="40" height="20">
+    <linearGradient id="b" x2="0" y2="100%">
+    <stop offset="0" stop-color="#bbb" stop-opacity=".1"/>
+    <stop offset="1" stop-opacity=".1"/>
+    </linearGradient>
+    <mask id="a">
+    <rect width="40" height="20" rx="0" fill="#fff"/>
+    </mask>
+    <g mask="url(#a)">
+    <rect width="20" height="20" fill="#555"/>
+    <rect x="20" width="20" height="20" fill="#007ec6"/>
+    <rect width="40" height="20" fill="url(#b)"/>
+    </g>
+    <g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="11">
+    <text x="11" y="15" fill="#010101" fill-opacity=".3">license</text>
+    <text x="11" y="14">license</text>
+    <text x="29" y="15" fill="#010101" fill-opacity=".3">MIT</text>
+    <text x="29" y="14">MIT</text>
+    </g>
+</svg>
+EOF;
+
+        $badge = Badge::fromURI('license-MIT-blue.svg');
+        $this->render($badge)->__toString()->shouldBeLike($template);
+    }
+
+
+}