Move PHPUnit tests into a tests/phpunit directory.

wp-tests-config.php can/should reside in the root of a develop checkout. `phpunit` should be run from the root.

see #25088.


git-svn-id: https://develop.svn.wordpress.org/trunk@25165 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/formatting/SanitizeFileName.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * @group formatting
+ */
+class Tests_Formatting_SanitizeFileName extends WP_UnitTestCase {
+	function test_munges_extensions() {
+		# r17990
+		$file_name = sanitize_file_name( 'test.phtml.txt' );
+		$this->assertEquals( 'test.phtml_.txt', $file_name );
+	}
+
+	function test_removes_special_chars() {
+		$special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", chr(0));
+		$string = 'test';
+		foreach ( $special_chars as $char )
+			$string .= $char;
+		$string .= 'test';
+		$this->assertEquals( 'testtest', sanitize_file_name( $string ) );
+	}
+
+	function test_replaces_any_number_of_hyphens_with_one_hyphen() {
+		$this->assertEquals("a-t-t", sanitize_file_name("a----t----t"));
+	}
+
+	function test_trims_trailing_hyphens() {
+		$this->assertEquals("a-t-t", sanitize_file_name("a----t----t----"));
+	}
+
+	function test_replaces_any_amount_of_whitespace_with_one_hyphen() {
+		$this->assertEquals("a-t", sanitize_file_name("a          t"));
+		$this->assertEquals("a-t", sanitize_file_name("a    \n\n\nt"));
+	}
+}