adding the possibility to unit test the standard

tests/CakePHPStandardTest.php

@@ -0,0 +1,51 @@
+<?php
+/**
+ * CakePHPStandardTest
+ */
+class CakePHPStandardTest extends PHPUnit_Framework_TestCase {
+
+	/**
+	 * testFiles
+	 *
+	 * Run simple syntax checks, if the filename ends with pass.php - expect it to pass
+	 *
+	 * @access public
+	 * @return void
+	 */
+	public function testFiles() {
+		$files = scandir(__DIR__ . '/files');
+		foreach($files as $file) {
+			if ($file[0] === '.') {
+				continue;
+			}
+			$expectPass = (bool)strpos('pass.php', $file);
+			$this->_testFile(__DIR__ . '/files/' . $file, $expectPass);
+		}
+	}
+
+	/**
+	 * Test a file
+	 *
+	 * @param mixed $file
+	 * @param mixed $expectPass
+	 * @access protected
+	 * @return void
+	 */
+	protected function _testFile($file, $expectPass = true) {
+		exec("phpcs --standard=CakePHP $file", $output, $return);
+		$outputStr = implode($output, "\n");
+		if ($expectPass) {
+			$this->assertRegExp(
+				"/FAILURES!/",
+				$outputStr,
+				basename($file) . ' - expected failures, none reported. ' . $outputStr
+			);
+		} else {
+			$this->assertNotRegExp(
+				"/FAILURES!/",
+				$outputStr,
+				basename($file) . ' - expected no failure, some were reported. ' . $outputStr
+			);
+		}
+	}
+}

tests/files/space_indented.php

@@ -0,0 +1,5 @@
+<?php
+$array = array(1, 2, 3);
+foreach($array as $i) {
+  echo $i;
+}

tests/files/tab_indented_pass.php

@@ -0,0 +1,5 @@
+<?php
+$array = array(1, 2, 3);
+foreach($array as $i) {
+	echo $i;
+}