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Paul Bearne
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Add unit tests for iis7_delete_rewrite_rule()
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‎tests/phpunit/tests/admin/includes/misc/iis7DeleteRewriteRule.php‎

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<?php
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/**
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* Tests for the iis7_delete_rewrite_rule() function.
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*
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* @group admin
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*
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* @covers ::iis7_delete_rewrite_rule
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*/
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class Tests_iis7_delete_rewrite_rule extends WP_UnitTestCase {
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/**
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* Path to the temporary file.
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*
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* @var string
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*/
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private $temp_file;
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/**
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* Set up the test environment.
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*/
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public function set_up() {
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parent::set_up();
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require_once ABSPATH . 'wp-admin/includes/misc.php';
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$this->temp_file = wp_tempnam( 'web.config' );
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}
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/**
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* Clean up the test environment.
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*/
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public function tear_down() {
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if ( file_exists( $this->temp_file ) ) {
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unlink( $this->temp_file );
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}
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parent::tear_down();
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}
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/**
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* Tests that iis7_delete_rewrite_rule() correctly deletes WordPress rules.
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*
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* @ticket 65170
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*
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* @dataProvider data_iis7_delete_rewrite_rule
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*
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* @param string $initial_content The initial XML content of the file.
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* @param string $expected_content The expected XML content after deletion.
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*/
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public function test_iis7_delete_rewrite_rule( $initial_content, $expected_content ) {
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file_put_contents( $this->temp_file, $initial_content );
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$result = iis7_delete_rewrite_rule( $this->temp_file );
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$this->assertTrue( $result, 'iis7_delete_rewrite_rule() should return true on success.' );
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if ( '' === $expected_content ) {
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$this->assertStringEqualsFile( $this->temp_file, '', 'The file should be empty.' );
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} else {
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$this->assertXmlStringEqualsXmlFile( $this->temp_file, $expected_content, 'The XML content should match the expected output.' );
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}
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}
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/**
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* Data provider for test_iis7_delete_rewrite_rule.
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*
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* @return array[]
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*/
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public function data_iis7_delete_rewrite_rule(): array {
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return array(
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'Rule with name "wordpress" exists' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules><rule name="wordpress" /></rules></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules/></rewrite></system.webServer></configuration>',
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),
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'Rule with name starting with "wordpress" exists' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules><rule name="wordpress-rules" /></rules></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules/></rewrite></system.webServer></configuration>',
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),
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'Rule with name "WordPress" exists' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules><rule name="WordPress" /></rules></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules/></rewrite></system.webServer></configuration>',
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),
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'Multiple rules, only WordPress rule is deleted' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules><rule name="other-rule" /><rule name="wordpress" /></rules></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules><rule name="other-rule" /></rules></rewrite></system.webServer></configuration>',
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),
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'WordPress rule is first among multiple rules' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules><rule name="wordpress" /><rule name="other-rule" /></rules></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules><rule name="other-rule" /></rules></rewrite></system.webServer></configuration>',
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),
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'No WordPress rule exists' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules><rule name="other-rule" /></rules></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules><rule name="other-rule" /></rules></rewrite></system.webServer></configuration>',
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),
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'Empty rules tag' => array(
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'initial_content' => '<configuration><system.webServer><rewrite><rules/></rewrite></system.webServer></configuration>',
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'expected_content' => '<configuration><system.webServer><rewrite><rules/></rewrite></system.webServer></configuration>',
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),
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);
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}
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/**
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* Tests that iis7_delete_rewrite_rule() returns true if the file does not exist.
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*
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* @ticket 65170
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*/
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public function test_iis7_delete_rewrite_rule_non_existent_file() {
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$non_existent_file = dirname( $this->temp_file ) . '/non-existent-web.config';
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if ( file_exists( $non_existent_file ) ) {
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unlink( $non_existent_file );
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}
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$this->assertTrue( iis7_delete_rewrite_rule( $non_existent_file ), 'Should return true if the file does not exist.' );
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}
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/**
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* Tests that iis7_delete_rewrite_rule() returns false for invalid XML.
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*
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* @ticket 65170
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*/
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public function test_iis7_delete_rewrite_rule_invalid_xml() {
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file_put_contents( $this->temp_file, 'Not XML' );
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// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
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$this->assertFalse( @iis7_delete_rewrite_rule( $this->temp_file ), 'Should return false for invalid XML.' );
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}
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}

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