Align array key spacing in iis7RewriteRuleExists() test data for consistency

Author: Paul Bearne

tests/phpunit/data/iis/schema.xsd

@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <xs:element name="configuration">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element name="system.webServer" minOccurs="0">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element name="rewrite" minOccurs="0">
+                <xs:complexType>
+                  <xs:sequence>
+                    <xs:element name="rules" minOccurs="0">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="rule" maxOccurs="unbounded" minOccurs="0">
+                            <xs:complexType>
+                              <xs:attribute name="name" type="xs:string" use="required"/>
+                              <xs:anyAttribute processContents="skip"/>
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>
+                  </xs:sequence>
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+          </xs:complexType>
+        </xs:element>
+      </xs:sequence>
+    </xs:complexType>
+  </xs:element>
+</xs:schema>

tests/phpunit/tests/admin/includes/misc/iis7RewriteRuleExists.php

@@ -45,11 +45,22 @@ public function tear_down() {
 	 * @param string $content  The XML content of the file.
 	 */
 	public function test_iis7_rewrite_rule_exists( $expected, $content ) {
+		file_put_contents( $this->temp_file, $content );
+
 		if ( 'Not XML' === $content ) {
-			file_put_contents( $this->temp_file, $content );
-			$this->assertSame( $expected, iis7_rewrite_rule_exists( $this->temp_file ) );
+			// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
+			$this->assertSame( $expected, @iis7_rewrite_rule_exists( $this->temp_file ) );
 		} else {
-			file_put_contents( $this->temp_file, $content );
+			$doc                   = new DOMDocument();
+			$doc->validateOnParse = true;
+
+			// Validate against the schema if it's supposed to be valid XML.
+			if ( str_starts_with( $content, '<' ) ) {
+				$doc->loadXML( $content );
+				$schema_path = DIR_TESTDATA . '/iis/schema.xsd';
+				$this->assertTrue( $doc->schemaValidate( $schema_path ), 'The XML does not validate against the web.config schema.' );
+			}
+
 			$this->assertSame( $expected, iis7_rewrite_rule_exists( $this->temp_file ) );
 		}
 	}
@@ -65,23 +76,23 @@ public function data_iis7_rewrite_rule_exists(): array {
 				'expected' => true,
 				'content'  => '<configuration><system.webServer><rewrite><rules><rule name="wordpress-rules" /></rules></rewrite></system.webServer></configuration>',
 			),
-			'Rule with name "wordpress" exists'               => array(
+			'Rule with name "wordpress" exists' => array(
 				'expected' => true,
 				'content'  => '<configuration><system.webServer><rewrite><rules><rule name="wordpress" /></rules></rewrite></system.webServer></configuration>',
 			),
-			'Rule with name "WordPress" exists'               => array(
+			'Rule with name "WordPress" exists' => array(
 				'expected' => true,
 				'content'  => '<configuration><system.webServer><rewrite><rules><rule name="WordPress" /></rules></rewrite></system.webServer></configuration>',
 			),
-			'Rule does not exist'                             => array(
+			'Rule does not exist'               => array(
 				'expected' => false,
 				'content'  => '<configuration><system.webServer><rewrite><rules><rule name="other-rule" /></rules></rewrite></system.webServer></configuration>',
 			),
-			'Empty configuration'                             => array(
+			'Empty configuration'               => array(
 				'expected' => false,
 				'content'  => '<configuration />',
 			),
-			'Invalid XML'                                     => array(
+			'Invalid XML'                       => array(
 				'expected' => false,
 				'content'  => 'Not XML',
 			),