Index: tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php
===================================================================
--- tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php	(revision 0)
+++ tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php	(working copy)
@@ -0,0 +1,94 @@
+<?php
+
+if ( is_multisite() ) :
+
+/**
+ * @group multisite
+ */
+class Tests_Multisite_WpmuValidateBlogSignup extends WP_UnitTestCase {
+	protected static $super_admin_id;
+
+	protected static $existing_user_login = 'existinguserfoo';
+	protected static $existing_user_id;
+
+	protected static $existing_blog_name = 'existingsitefoo';
+	protected static $existing_blog_id;
+
+	public static function wpSetUpBeforeClass( $factory ) {
+		self::$super_admin_id = $factory->user->create();
+		grant_super_admin( self::$super_admin_id );
+
+		self::$existing_user_id = $factory->user->create( array( 'user_login' => self::$existing_user_login ) );
+
+		$network = get_network();
+
+		if ( is_subdomain_install() ) {
+			$domain = self::$existing_blog_name . '.' . preg_replace( '|^www\.|', '', $network->domain );
+			$path   = $network->path;
+		} else {
+			$domain = $network->domain;
+			$path   = $network->path . self::$existing_blog_name . '/';
+		}
+
+		self::$existing_blog_id = $factory->blog->create( array(
+			'domain'  => $domain,
+			'path'    => $path,
+			'site_id' => $network->id,
+		) );
+	}
+
+	public static function wpTearDownAfterClass() {
+		revoke_super_admin( self::$super_admin_id );
+		wpmu_delete_user( self::$super_admin_id );
+
+		wpmu_delete_user( self::$existing_user_id );
+
+		wpmu_delete_blog( self::$existing_blog_id, true );
+	}
+
+	/**
+	 * @dataProvider data_validate_blogname
+	 */
+	public function test_validate_blogname( $blog_name, $error_message ) {
+		$result = wpmu_validate_blog_signup( $blog_name, 'Foo Site Title', get_userdata( self::$super_admin_id ) );
+		$this->assertContains( 'blogname', $result['errors']->get_error_codes(), $error_message );
+	}
+
+	public function data_validate_blogname() {
+		$data = array(
+			array( '', 'Site names must not be empty.' ),
+			array( 'foo-hello', 'Site names must not contain hyphens.' ),
+			array( 'foo_hello', 'Site names must not contain underscores.' ),
+			array( 'foo hello', 'Site names must not contain spaces.' ),
+			array( 'FooHello', 'Site names must not contain uppercase letters.' ),
+			array( '12345678', 'Site names must not consist of numbers only.' ),
+			array( self::$existing_blog_name, 'Site names must not collide with an existing site name.' ),
+			array( self::$existing_user_login, 'Site names must not collide with an existing user login.' ),
+		);
+
+		if ( ! is_super_admin() ) {
+			$data[] = array( 'foo', 'Site names must at least contain 4 characters.' );
+		}
+
+		$illegal_names = get_site_option( 'illegal_names' );
+		if ( ! empty( $illegal_names ) ) {
+			$data[] = array( array_shift( $illegal_names ), 'Illegal site names are not allowed.' );
+		} else {
+			$data[] = array( 'www', 'Illegal site names are not allowed.' );
+		}
+
+		return $data;
+	}
+
+	public function test_validate_empty_blog_title() {
+		$result = wpmu_validate_blog_signup( 'uniqueblogname1234', '', get_userdata( self::$super_admin_id ) );
+		$this->assertContains( 'blog_title', $result['errors']->get_error_codes(), 'Site titles must not be empty.' );
+	}
+
+	public function test_validate_blogname_from_same_existing_user() {
+		$result = wpmu_validate_blog_signup( self::$existing_user_login, 'Foo Site Title', get_userdata( self::$existing_user_id ) );
+		$this->assertEmpty( $result['errors']->get_error_codes() );
+	}
+}
+
+endif;

Property changes on: tests/phpunit/tests/multisite/wpmuValidateBlogSignup.php
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Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property