Test AMP compatibility of entire site

amp.php

@@ -145,7 +145,13 @@ function amp_init() {
 	add_rewrite_endpoint( amp_get_slug(), EP_PERMALINK );
 
 	AMP_Theme_Support::init();
+	AMP_Validation_Manager::init();
 	AMP_Post_Type_Support::add_post_type_support();
+
+	if ( defined( 'WP_CLI' ) ) {
+		WP_CLI::add_command( 'amp', new AMP_CLI() );
+	}
+
 	add_filter( 'request', 'amp_force_query_var_value' );
 	add_action( 'admin_init', 'AMP_Options_Manager::register_settings' );
 	add_action( 'wp_loaded', 'amp_editor_core_blocks' );

includes/amp-helper-functions.php

@@ -287,6 +287,16 @@ function is_amp_endpoint() {
 		return false;
 	}
 
+	/*
+	 * If this is a URL for validation, and validation is forced for all URLs, return true.
+	 * Normally, this would be false if the user has deselected a template,
+	 * like by unchecking 'Categories' in 'AMP Settings' > 'Supported Templates'.
+	 * But there's a flag for the WP-CLI command that sets this query var to validate all URLs.
+	 */
+	if ( AMP_Validation_Manager::is_theme_support_forced() ) {
+		return true;
+	}
+
 	$availability = AMP_Theme_Support::get_template_availability();
 	return amp_is_canonical() ? $availability['supported'] : ( $has_amp_query_var && $availability['supported'] );
 }

includes/class-amp-autoloader.php

@@ -100,6 +100,7 @@ class AMP_Autoloader {
 		'AMP_Validation_Manager'                      => 'includes/validation/class-amp-validation-manager',
 		'AMP_Invalid_URL_Post_Type'                   => 'includes/validation/class-amp-invalid-url-post-type',
 		'AMP_Validation_Error_Taxonomy'               => 'includes/validation/class-amp-validation-error-taxonomy',
+		'AMP_CLI'                                     => 'includes/class-amp-cli',
 		'AMP_String_Utils'                            => 'includes/utils/class-amp-string-utils',
 		'AMP_WP_Utils'                                => 'includes/utils/class-amp-wp-utils',
 		'AMP_Widget_Archives'                         => 'includes/widgets/class-amp-widget-archives',