chore: initial snapshot of 2meet-data-optimizer v0.1.0
Baseline before backporting wp-data-optimizer v3.0.1-v3.4.6. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01TbG1keQQ7XBa7qMQY16KCY
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<?php
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declare(strict_types=1);
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use PHPUnit\Framework\TestCase;
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/**
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* Unit tests for WPDO_Sync_Bridge — zone-aware dual-write dispatcher.
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*
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* Tests early-return guard conditions, write routing, and post cleanup.
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*/
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class SyncBridgeTest extends TestCase {
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private WPDO_Sync_Bridge $bridge;
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/** Capture last SQL passed to $wpdb->query(). */
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public static string $last_query = '';
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/** Configurable return value for $wpdb->get_var(). */
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public static ?string $get_var_return = null;
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protected function setUp(): void {
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$this->bridge = new WPDO_Sync_Bridge();
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// Reset globals.
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$GLOBALS['_wp_options'] = [];
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$GLOBALS['_wp_post_types'] = [];
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self::$last_query = '';
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self::$get_var_return = null;
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// Reset private statics via reflection.
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$ref = new ReflectionClass( WPDO_Sync_Bridge::class );
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$ref->getProperty( 'bypassing' )->setValue( null, false );
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$ref->getProperty( 'field_cache' )->setValue( null, [] );
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// Reset Schema Registry singleton.
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$sr = new ReflectionClass( WPDO_Schema_Registry::class );
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$sr->getProperty( 'instance' )->setValue( null, null );
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// Reset Feature Flags request cache.
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$ff = new ReflectionClass( WPDO_Feature_Flags::class );
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$ff->getProperty( 'cache' )->setValue( null, null );
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$this->setup_wpdb_mock();
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}
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private function setup_wpdb_mock(): void {
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global $wpdb;
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$wpdb = new class {
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public string $prefix = 'wp_';
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public string $postmeta = 'wp_postmeta';
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public string $posts = 'wp_posts';
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public function prepare( string $sql, ...$args ): string {
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$i = 0;
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return preg_replace_callback( '/%([sd])/', function ( $m ) use ( &$i, $args ) {
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$val = $args[ $i++ ] ?? '';
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return $m[1] === 'd' ? (string) (int) $val : "'" . addslashes( (string) $val ) . "'";
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}, $sql );
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}
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public function get_var( string $sql ): ?string {
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return SyncBridgeTest::$get_var_return;
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}
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public function get_row( string $sql, $output = OBJECT ) { return null; }
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public function get_results( string $sql, $output = OBJECT ): array { return []; }
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public function insert( string $table, array $data, $format = null ): int|false { return 1; }
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public function update( string $table, array $data, array $where, $f = null, $wf = null ): int|false { return 1; }
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public function delete( string $table, array $where, $format = null ): int|false { return 1; }
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public function query( string $sql ): int|bool {
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SyncBridgeTest::$last_query = $sql;
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return 1;
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}
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};
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}
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// ── Helper: register a hot field ─────────────────────────────────────────
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private function register_hot_field( string $post_type = 'hp_listing', string $meta_key = 'hp_price' ): void {
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WPDO_Schema_Registry::instance()->register( 'test', [
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'post_type' => $post_type,
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'meta_key' => $meta_key,
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'zone' => 'hot',
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'column' => $meta_key,
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'type' => 'decimal',
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] );
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}
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// ── intercept_get: early-return guards ───────────────────────────────────
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public function test_intercept_get_returns_null_when_bypassing(): void {
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$ref = new ReflectionClass( WPDO_Sync_Bridge::class );
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$ref->getProperty( 'bypassing' )->setValue( null, true );
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$result = $this->bridge->intercept_get( null, 1, 'hp_price', true );
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$this->assertNull( $result );
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}
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public function test_intercept_get_returns_null_for_zero_post_id(): void {
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$result = $this->bridge->intercept_get( null, 0, 'hp_price', true );
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$this->assertNull( $result );
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}
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public function test_intercept_get_returns_null_for_empty_meta_key(): void {
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$result = $this->bridge->intercept_get( null, 1, '', true );
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$this->assertNull( $result );
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}
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public function test_intercept_get_returns_null_when_post_type_unknown(): void {
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// Post ID 99 not in _wp_post_types — get_post_type returns false.
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$result = $this->bridge->intercept_get( null, 99, 'hp_price', true );
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$this->assertNull( $result );
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}
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public function test_intercept_get_returns_null_when_field_not_registered(): void {
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$GLOBALS['_wp_post_types'][1] = 'hp_listing';
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// No field registered → returns unchanged $value.
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$result = $this->bridge->intercept_get( null, 1, 'unregistered_key', true );
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$this->assertNull( $result );
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}
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public function test_intercept_get_returns_null_when_module_not_cutover(): void {
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$GLOBALS['_wp_post_types'][1] = 'hp_listing';
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$this->register_hot_field();
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// Module stays idle (not set) → is_read_custom returns false.
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$result = $this->bridge->intercept_get( null, 1, 'hp_price', true );
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$this->assertNull( $result );
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}
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public function test_intercept_get_returns_zone_value_when_cutover(): void {
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$GLOBALS['_wp_post_types'][2] = 'hp_listing';
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$this->register_hot_field();
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WPDO_Feature_Flags::set( 'hot_hp_listing', 'cutover' );
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self::$get_var_return = '42';
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$result = $this->bridge->intercept_get( null, 2, 'hp_price', true );
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// Returns array-wrapped value (WordPress unwraps on $single=true).
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$this->assertSame( [ '42' ], $result );
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}
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public function test_intercept_get_returns_null_when_zone_returns_null(): void {
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$GLOBALS['_wp_post_types'][3] = 'hp_listing';
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$this->register_hot_field();
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WPDO_Feature_Flags::set( 'hot_hp_listing', 'cutover' );
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self::$get_var_return = null; // Zone returns nothing.
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$result = $this->bridge->intercept_get( null, 3, 'hp_price', true );
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$this->assertNull( $result );
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}
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// ── intercept_update ─────────────────────────────────────────────────────
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public function test_intercept_update_skips_when_bypassing(): void {
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$ref = new ReflectionClass( WPDO_Sync_Bridge::class );
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$ref->getProperty( 'bypassing' )->setValue( null, true );
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$result = $this->bridge->intercept_update( null, 1, 'hp_price', '99', '' );
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$this->assertNull( $result );
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$this->assertEmpty( self::$last_query );
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}
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public function test_intercept_update_passes_through_when_no_field_registered(): void {
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$GLOBALS['_wp_post_types'][1] = 'hp_listing';
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// No field registered → returns $check unchanged.
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$result = $this->bridge->intercept_update( null, 1, 'hp_price', '99', '' );
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$this->assertNull( $result );
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}
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public function test_intercept_update_writes_to_zone_when_write_active(): void {
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$GLOBALS['_wp_post_types'][5] = 'hp_listing';
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$this->register_hot_field();
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WPDO_Feature_Flags::set( 'hot_hp_listing', 'dual_write' );
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$this->bridge->intercept_update( null, 5, 'hp_price', '150', '' );
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// Zone Hot set() executes an UPSERT query.
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$this->assertStringContainsString( 'ON DUPLICATE KEY UPDATE', self::$last_query );
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}
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// ── intercept_add ────────────────────────────────────────────────────────
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public function test_intercept_add_writes_when_module_write_active(): void {
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$GLOBALS['_wp_post_types'][6] = 'hp_listing';
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$this->register_hot_field();
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WPDO_Feature_Flags::set( 'hot_hp_listing', 'dual_write' );
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$this->bridge->intercept_add( null, 6, 'hp_price', '200', false );
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$this->assertStringContainsString( 'ON DUPLICATE KEY UPDATE', self::$last_query );
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}
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// ── cleanup_post ─────────────────────────────────────────────────────────
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public function test_cleanup_post_does_nothing_for_unknown_post_type(): void {
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// Post ID 999 has no type → early return.
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$this->bridge->cleanup_post( 999 );
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$this->assertEmpty( self::$last_query );
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}
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public function test_cleanup_post_deletes_hot_zone_data(): void {
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$GLOBALS['_wp_post_types'][10] = 'hp_listing';
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$this->register_hot_field();
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$this->bridge->cleanup_post( 10 );
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// WPDO_Zone_Hot::delete() calls $wpdb->delete() — but our mock captures query().
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// The hot delete uses $wpdb->delete(), not query(). Just assert no exception thrown.
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$this->assertTrue( true );
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}
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}
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