diff --git a/amp.php b/amp.php
index 7b080e33d08..56344025e68 100644
--- a/amp.php
+++ b/amp.php
@@ -22,6 +22,7 @@
require_once AMP__DIR__ . '/includes/class-amp-post-type-support.php';
require_once AMP__DIR__ . '/includes/admin/functions.php';
require_once AMP__DIR__ . '/includes/admin/class-amp-customizer.php';
+require_once AMP__DIR__ . '/includes/admin/class-amp-post-meta-box.php';
require_once AMP__DIR__ . '/includes/settings/class-amp-customizer-settings.php';
require_once AMP__DIR__ . '/includes/settings/class-amp-customizer-design-settings.php';
require_once AMP__DIR__ . '/includes/actions/class-amp-frontend-actions.php';
@@ -61,6 +62,7 @@ function amp_init() {
load_plugin_textdomain( 'amp', false, plugin_basename( AMP__DIR__ ) . '/languages' );
+ amp_define_query_var();
add_rewrite_endpoint( AMP_QUERY_VAR, EP_PERMALINK );
add_filter( 'request', 'amp_force_query_var_value' );
@@ -82,7 +84,11 @@ function amp_init() {
*
* @since 0.6
*/
-function define_query_var() {
+function amp_define_query_var() {
+ if ( defined( 'AMP_QUERY_VAR' ) ) {
+ return;
+ }
+
/**
* Filter the AMP query variable.
*
@@ -91,7 +97,7 @@ function define_query_var() {
*/
define( 'AMP_QUERY_VAR', apply_filters( 'amp_query_var', 'amp' ) );
}
-add_action( 'after_setup_theme', 'define_query_var', 3 );
+add_action( 'after_setup_theme', 'amp_define_query_var', 3 );
// Make sure the `amp` query var has an explicit value.
// Avoids issues when filtering the deprecated `query_string` hook.
@@ -147,24 +153,40 @@ function amp_prepare_render() {
add_action( 'template_redirect', 'amp_render' );
}
+/**
+ * Render AMP for queried post.
+ *
+ * @since 0.1
+ */
function amp_render() {
- $post_id = get_queried_object_id();
- amp_render_post( $post_id );
+
+ // Note that queried object is used instead of the ID so that the_preview for the queried post can apply.
+ amp_render_post( get_queried_object() );
exit;
}
-function amp_render_post( $post_id ) {
- $post = get_post( $post_id );
- if ( ! $post ) {
- return;
+/**
+ * Render AMP post template.
+ *
+ * @since 0.5
+ * @param WP_Post|int $post Post.
+ */
+function amp_render_post( $post ) {
+
+ if ( ! ( $post instanceof WP_Post ) ) {
+ $post = get_post( $post );
+ if ( ! $post ) {
+ return;
+ }
}
+ $post_id = $post->ID;
amp_load_classes();
do_action( 'pre_amp_render_post', $post_id );
amp_add_post_template_actions();
- $template = new AMP_Post_Template( $post_id );
+ $template = new AMP_Post_Template( $post );
$template->load();
}
diff --git a/assets/css/amp-post-meta-box.css b/assets/css/amp-post-meta-box.css
new file mode 100644
index 00000000000..154667b649f
--- /dev/null
+++ b/assets/css/amp-post-meta-box.css
@@ -0,0 +1,57 @@
+/**
+* 1.0 AMP preview.
+*
+* Submit box preview buttons.
+*/
+
+/* Core preview button */
+.wp-core-ui #preview-action.has-amp-preview #post-preview {
+ border-top-right-radius: 0;
+ border-bottom-right-radius: 0;
+ float: none;
+}
+
+/* AMP preview button */
+.wp-core-ui #amp-post-preview.preview {
+ border-top-left-radius: 0;
+ border-bottom-left-radius: 0;
+ text-indent: -9999px;
+ padding-right: 7px;
+ padding-left: 7px;
+}
+
+.wp-core-ui #amp-post-preview.preview::after {
+ content: "icon";
+ width: 14px;
+ float: left;
+ background: no-repeat center url( '../images/amp-icon.svg' );
+ background-size: 14px !important;
+}
+
+.wp-core-ui #amp-post-preview.preview.disabled::after {
+ opacity: 0.6;
+}
+
+/* AMP status */
+.misc-amp-status .amp-icon {
+ float: left;
+ background: transparent url( '../images/amp-icon.svg' ) no-repeat left;
+ background-size: 17px;
+ width: 17px;
+ height: 17px;
+ margin: 0 8px 0 1px;
+}
+
+#amp-status-select {
+ margin-top: 4px;
+}
+
+.amp-status-actions {
+ margin-top: 10px;
+}
+
+@media screen and ( max-width: 782px ) {
+ #amp-status-select {
+ line-height: 280%;
+ }
+}
diff --git a/assets/images/amp-icon.svg b/assets/images/amp-icon.svg
new file mode 100644
index 00000000000..a30ea6d2f0d
--- /dev/null
+++ b/assets/images/amp-icon.svg
@@ -0,0 +1,7 @@
+
+
diff --git a/assets/js/amp-post-meta-box.js b/assets/js/amp-post-meta-box.js
new file mode 100644
index 00000000000..6d5d7253fda
--- /dev/null
+++ b/assets/js/amp-post-meta-box.js
@@ -0,0 +1,170 @@
+/* exported ampPostMetaBox */
+
+/**
+ * AMP Post Meta Box.
+ *
+ * @todo Rename this to be just the ampEditPostScreen?
+ *
+ * @since 0.6
+ */
+var ampPostMetaBox = ( function( $ ) {
+ 'use strict';
+
+ var component = {
+
+ /**
+ * Holds data.
+ *
+ * @since 0.6
+ */
+ data: {
+ previewLink: '',
+ disabled: false,
+ statusInputName: '',
+ l10n: {
+ ampPreviewBtnLabel: ''
+ }
+ },
+
+ /**
+ * Toggle animation speed.
+ *
+ * @since 0.6
+ */
+ toggleSpeed: 200,
+
+ /**
+ * Core preview button selector.
+ *
+ * @since 0.6
+ */
+ previewBtnSelector: '#post-preview',
+
+ /**
+ * AMP preview button selector.
+ *
+ * @since 0.6
+ */
+ ampPreviewBtnSelector: '#amp-post-preview'
+ };
+
+ /**
+ * Boot plugin.
+ *
+ * @since 0.6
+ * @param {Object} data Object data.
+ * @return {void}
+ */
+ component.boot = function boot( data ) {
+ component.data = data;
+ $( document ).ready( function() {
+ if ( ! component.data.disabled ) {
+ component.addPreviewButton();
+ }
+ component.listen();
+ } );
+ };
+
+ /**
+ * Events listener.
+ *
+ * @since 0.6
+ * @return {void}
+ */
+ component.listen = function listen() {
+ $( component.ampPreviewBtnSelector ).on( 'click.amp-post-preview', function( e ) {
+ e.preventDefault();
+ component.onAmpPreviewButtonClick();
+ } );
+
+ $( '.edit-amp-status, [href="#amp_status"]' ).click( function( e ) {
+ e.preventDefault();
+ component.toggleAmpStatus( $( e.target ) );
+ } );
+
+ $( '#submitpost input[type="submit"]' ).on( 'click', function() {
+ $( component.ampPreviewBtnSelector ).addClass( 'disabled' );
+ } );
+ };
+
+ /**
+ * Add AMP Preview button.
+ *
+ * @since 0.6
+ * @return {void}
+ */
+ component.addPreviewButton = function addPreviewButton() {
+ var previewBtn = $( component.previewBtnSelector );
+ previewBtn
+ .clone()
+ .insertAfter( previewBtn )
+ .prop( {
+ 'href': component.data.previewLink,
+ 'id': component.ampPreviewBtnSelector.replace( '#', '' )
+ } )
+ .text( component.data.l10n.ampPreviewBtnLabel )
+ .parent()
+ .addClass( 'has-amp-preview' );
+ };
+
+ /**
+ * AMP Preview button click handler.
+ *
+ * We trigger the Core preview link for events propagation purposes.
+ *
+ * @since 0.6
+ * @return {void}
+ */
+ component.onAmpPreviewButtonClick = function onAmpPreviewButtonClick() {
+ var $input;
+
+ // Flag the AMP preview referer.
+ $input = $( '' )
+ .prop( {
+ 'type': 'hidden',
+ 'name': 'amp-preview',
+ 'value': 'do-preview'
+ } )
+ .insertAfter( component.ampPreviewBtnSelector );
+
+ // Trigger Core preview button and remove AMP flag.
+ $( component.previewBtnSelector ).click();
+ $input.remove();
+ };
+
+ /**
+ * Add AMP status toggle.
+ *
+ * @since 0.6
+ * @param {Object} $target Event target.
+ * @return {void}
+ */
+ component.toggleAmpStatus = function toggleAmpStatus( $target ) {
+ var $container = $( '#amp-status-select' ),
+ status = $container.data( 'amp-status' ),
+ $checked,
+ editAmpStatus = $( '.edit-amp-status' );
+
+ // Don't modify status on cancel button click.
+ if ( ! $target.hasClass( 'button-cancel' ) ) {
+ status = $( '[name="' + component.data.statusInputName + '"]:checked' ).val();
+ }
+
+ $checked = $( '#amp-status-' + status );
+
+ // Toggle elements.
+ editAmpStatus.fadeToggle( component.toggleSpeed, function() {
+ if ( editAmpStatus.is( ':visible' ) ) {
+ editAmpStatus.focus();
+ }
+ } );
+ $container.slideToggle( component.toggleSpeed );
+
+ // Update status.
+ $container.data( 'amp-status', status );
+ $checked.prop( 'checked', true );
+ $( '.amp-status-text' ).text( $checked.next().text() );
+ };
+
+ return component;
+})( window.jQuery );
diff --git a/includes/admin/class-amp-post-meta-box.php b/includes/admin/class-amp-post-meta-box.php
new file mode 100644
index 00000000000..e3b23270357
--- /dev/null
+++ b/includes/admin/class-amp-post-meta-box.php
@@ -0,0 +1,200 @@
+base )
+ &&
+ 'post' === $screen->base
+ &&
+ post_type_supports( $post->post_type, AMP_QUERY_VAR )
+ );
+ if ( ! $validate ) {
+ return;
+ }
+
+ // Styles.
+ wp_enqueue_style(
+ self::ASSETS_HANDLE,
+ amp_get_asset_url( 'css/amp-post-meta-box.css' ),
+ false,
+ AMP__VERSION
+ );
+
+ // Scripts.
+ wp_enqueue_script(
+ self::ASSETS_HANDLE,
+ amp_get_asset_url( 'js/amp-post-meta-box.js' ),
+ array( 'jquery' ),
+ AMP__VERSION
+ );
+ wp_add_inline_script( self::ASSETS_HANDLE, sprintf( 'ampPostMetaBox.boot( %s );',
+ wp_json_encode( array(
+ 'previewLink' => esc_url_raw( add_query_arg( AMP_QUERY_VAR, '', get_preview_post_link( $post ) ) ),
+ 'disabled' => (bool) get_post_meta( $post->ID, self::DISABLED_POST_META_KEY, true ),
+ 'statusInputName' => self::STATUS_INPUT_NAME,
+ 'l10n' => array(
+ 'ampPreviewBtnLabel' => __( 'Preview changes in AMP (opens in new window)', 'amp' ),
+ ),
+ ) )
+ ) );
+ }
+
+ /**
+ * Render AMP status.
+ *
+ * @since 0.6
+ * @param WP_Post $post Post.
+ */
+ public function render_status( $post ) {
+ $verify = (
+ isset( $post->ID )
+ &&
+ isset( $post->post_type )
+ &&
+ post_type_supports( $post->post_type, AMP_QUERY_VAR )
+ &&
+ current_user_can( 'edit_post', $post->ID )
+ );
+
+ if ( true !== $verify ) {
+ return;
+ }
+
+ // The following variables are used inside amp-status.php template.
+ $disabled = (bool) get_post_meta( $post->ID, self::DISABLED_POST_META_KEY, true );
+ $status = $disabled ? 'disabled' : 'enabled';
+ $labels = array(
+ 'enabled' => __( 'Enabled', 'amp' ),
+ 'disabled' => __( 'Disabled', 'amp' ),
+ );
+
+ include_once AMP__DIR__ . '/templates/admin/amp-status.php';
+ }
+
+ /**
+ * Save AMP Status.
+ *
+ * @since 0.6
+ * @param int $post_id The Post ID.
+ */
+ public function save_amp_status( $post_id ) {
+ $verify = (
+ isset( $_POST[ self::NONCE_NAME ] )
+ &&
+ isset( $_POST[ self::STATUS_INPUT_NAME ] )
+ &&
+ wp_verify_nonce( sanitize_key( wp_unslash( $_POST[ self::NONCE_NAME ] ) ), self::NONCE_ACTION )
+ &&
+ current_user_can( 'edit_post', $post_id )
+ &&
+ ! wp_is_post_revision( $post_id )
+ &&
+ ! wp_is_post_autosave( $post_id )
+ );
+
+ if ( true === $verify ) {
+ if ( 'disabled' === $_POST[ self::STATUS_INPUT_NAME ] ) {
+ update_post_meta( $post_id, self::DISABLED_POST_META_KEY, true );
+ } else {
+ delete_post_meta( $post_id, self::DISABLED_POST_META_KEY );
+ }
+ }
+ }
+
+ /**
+ * Modify post preview link.
+ *
+ * Add the AMP query var is the amp-preview flag is set.
+ *
+ * @since 0.6
+ *
+ * @param string $link The post preview link.
+ * @return string Preview URL.
+ */
+ public function preview_post_link( $link ) {
+ $is_amp = (
+ isset( $_POST['amp-preview'] ) // WPCS: CSRF ok.
+ &&
+ 'do-preview' === sanitize_key( wp_unslash( $_POST['amp-preview'] ) ) // WPCS: CSRF ok.
+ );
+
+ if ( $is_amp ) {
+ $link = add_query_arg( AMP_QUERY_VAR, true, $link );
+ }
+
+ return $link;
+ }
+
+}
diff --git a/includes/admin/functions.php b/includes/admin/functions.php
index a6a8e82e8fd..85faf0dd310 100644
--- a/includes/admin/functions.php
+++ b/includes/admin/functions.php
@@ -124,3 +124,16 @@ function amp_add_custom_analytics( $analytics ) {
return $analytics;
}
add_filter( 'amp_post_template_analytics', 'amp_add_custom_analytics' );
+
+/**
+ * Bootstrap AMP post meta box.
+ *
+ * This function must be invoked only once through the 'wp_loaded' action.
+ *
+ * @since 0.6
+ */
+function amp_post_meta_box() {
+ $post_meta_box = new AMP_Post_Meta_Box();
+ $post_meta_box->init();
+}
+add_action( 'wp_loaded', 'amp_post_meta_box' );
diff --git a/includes/amp-helper-functions.php b/includes/amp-helper-functions.php
index d9c5d86ea93..040418d440f 100644
--- a/includes/amp-helper-functions.php
+++ b/includes/amp-helper-functions.php
@@ -17,16 +17,39 @@ function amp_get_permalink( $post_id ) {
return apply_filters( 'amp_get_permalink', $amp_url, $post_id );
}
+/**
+ * Determine whether a given post supports AMP.
+ *
+ * @since 0.1
+ *
+ * @param WP_Post $post Post.
+ * @return bool Whether the post supports AMP.
+ */
function post_supports_amp( $post ) {
- // Because `add_rewrite_endpoint` doesn't let us target specific post_types :(
+
+ // Because `add_rewrite_endpoint` doesn't let us target specific post_types.
if ( ! post_type_supports( $post->post_type, AMP_QUERY_VAR ) ) {
return false;
}
+ // Skip based on postmeta.
+ if ( ! isset( $post->ID ) || (bool) get_post_meta( $post->ID, AMP_Post_Meta_Box::DISABLED_POST_META_KEY, true ) ) {
+ return false;
+ }
+
if ( post_password_required( $post ) ) {
return false;
}
+ /**
+ * Filters whether to skip the post from AMP.
+ *
+ * @since 0.3
+ *
+ * @param bool $skipped Skipped.
+ * @param int $post_id Post ID.
+ * @param WP_Post $post Post.
+ */
if ( true === apply_filters( 'amp_skip_post', false, $post->ID, $post ) ) {
return false;
}
diff --git a/includes/class-amp-post-template.php b/includes/class-amp-post-template.php
index 8c1adc7cdc6..49177f8ede4 100644
--- a/includes/class-amp-post-template.php
+++ b/includes/class-amp-post-template.php
@@ -1,48 +1,127 @@
template_dir = apply_filters( 'amp_post_template_dir', AMP__DIR__ . '/templates' );
- $this->ID = $post_id;
- $this->post = get_post( $post_id );
+ if ( $post instanceof WP_Post ) {
+ $this->post = $post;
+ } else {
+ $this->post = get_post( $post );
+ }
+ $this->ID = $this->post->ID;
$content_max_width = self::CONTENT_MAX_WIDTH;
if ( isset( $GLOBALS['content_width'] ) && $GLOBALS['content_width'] > 0 ) {
@@ -51,34 +130,34 @@ public function __construct( $post_id ) {
$content_max_width = apply_filters( 'amp_content_max_width', $content_max_width );
$this->data = array(
- 'content_max_width' => $content_max_width,
+ 'content_max_width' => $content_max_width,
- 'document_title' => function_exists( 'wp_get_document_title' ) ? wp_get_document_title() : wp_title( '', false ), // back-compat with 4.3
- 'canonical_url' => get_permalink( $post_id ),
- 'home_url' => home_url(),
- 'blog_name' => get_bloginfo( 'name' ),
+ 'document_title' => function_exists( 'wp_get_document_title' ) ? wp_get_document_title() : wp_title( '', false ), // Back-compat with 4.3.
+ 'canonical_url' => get_permalink( $this->ID ),
+ 'home_url' => home_url(),
+ 'blog_name' => get_bloginfo( 'name' ),
'generator_metadata' => 'AMP Plugin v' . AMP__VERSION,
- 'html_tag_attributes' => array(),
- 'body_class' => '',
+ 'html_tag_attributes' => array(),
+ 'body_class' => '',
- 'site_icon_url' => apply_filters( 'amp_site_icon_url', function_exists( 'get_site_icon_url' ) ? get_site_icon_url( self::SITE_ICON_SIZE ) : '' ),
+ 'site_icon_url' => apply_filters( 'amp_site_icon_url', function_exists( 'get_site_icon_url' ) ? get_site_icon_url( self::SITE_ICON_SIZE ) : '' ),
'placeholder_image_url' => amp_get_asset_url( 'images/placeholder-icon.png' ),
- 'featured_image' => false,
- 'comments_link_url' => false,
- 'comments_link_text' => false,
+ 'featured_image' => false,
+ 'comments_link_url' => false,
+ 'comments_link_text' => false,
- 'amp_runtime_script' => 'https://cdn.ampproject.org/v0.js',
+ 'amp_runtime_script' => 'https://cdn.ampproject.org/v0.js',
'amp_component_scripts' => array(),
- 'customizer_settings' => array(),
+ 'customizer_settings' => array(),
- 'font_urls' => array(
+ 'font_urls' => array(
'merriweather' => 'https://fonts.googleapis.com/css?family=Merriweather:400,400italic,700,700italic',
),
- 'post_amp_styles' => array(),
+ 'post_amp_styles' => array(),
/**
* Add amp-analytics tags.
@@ -86,18 +165,26 @@ public function __construct( $post_id ) {
* This filter allows you to easily insert any amp-analytics tags without needing much heavy lifting.
*
* @since 0.4
- *.
- * @param array $analytics An associative array of the analytics entries we want to output. Each array entry must have a unique key, and the value should be an array with the following keys: `type`, `attributes`, `script_data`. See readme for more details.
- * @param object $post The current post.
+ *
+ * @param array $analytics An associative array of the analytics entries we want to output. Each array entry must have a unique key, and the value should be an array with the following keys: `type`, `attributes`, `script_data`. See readme for more details.
+ * @param WP_Post $post The current post.
*/
'amp_analytics' => apply_filters( 'amp_post_template_analytics', array(), $this->post ),
- );
+ );
$this->build_post_content();
$this->build_post_data();
$this->build_customizer_settings();
$this->build_html_tag_attributes();
+ /**
+ * Filters AMP template data.
+ *
+ * @since 0.2
+ *
+ * @param array $data Template data.
+ * @param WP_Post $post Post.
+ */
$this->data = apply_filters( 'amp_post_template_data', $this->data, $this->post );
}
diff --git a/templates/admin/amp-status.php b/templates/admin/amp-status.php
new file mode 100644
index 00000000000..170b4f13c7b
--- /dev/null
+++ b/templates/admin/amp-status.php
@@ -0,0 +1,34 @@
+
+
diff --git a/tests/test-class-amp-meta-box.php b/tests/test-class-amp-meta-box.php
new file mode 100644
index 00000000000..e9b7d7eaa71
--- /dev/null
+++ b/tests/test-class-amp-meta-box.php
@@ -0,0 +1,157 @@
+instance = new AMP_Post_Meta_Box();
+ }
+
+ /**
+ * Test init.
+ *
+ * @see AMP_Settings::init()
+ */
+ public function test_init() {
+ $this->instance->init();
+ $this->assertEquals( 10, has_action( 'admin_enqueue_scripts', array( $this->instance, 'enqueue_admin_assets' ) ) );
+ $this->assertEquals( 10, has_action( 'post_submitbox_misc_actions', array( $this->instance, 'render_status' ) ) );
+ $this->assertEquals( 10, has_action( 'save_post', array( $this->instance, 'save_amp_status' ) ) );
+ }
+
+ /**
+ * Test enqueue_admin_assets.
+ *
+ * @see AMP_Settings::enqueue_admin_assets()
+ */
+ public function test_enqueue_admin_assets() {
+ // Test enqueue outside of a post with AMP support.
+ $this->assertFalse( wp_style_is( AMP_Post_Meta_Box::ASSETS_HANDLE ) );
+ $this->assertFalse( wp_script_is( AMP_Post_Meta_Box::ASSETS_HANDLE ) );
+ $this->instance->enqueue_admin_assets( 'foo-bar.php' );
+ $this->assertFalse( wp_style_is( AMP_Post_Meta_Box::ASSETS_HANDLE ) );
+
+ // Test enqueue on a post with AMP support.
+ $post = self::factory()->post->create_and_get();
+ $GLOBALS['post'] = $post;
+ set_current_screen( 'post.php' );
+ $this->instance->enqueue_admin_assets();
+ $this->assertTrue( wp_style_is( AMP_Post_Meta_Box::ASSETS_HANDLE ) );
+ $this->assertTrue( wp_script_is( AMP_Post_Meta_Box::ASSETS_HANDLE ) );
+ $script_data = wp_scripts()->get_data( AMP_Post_Meta_Box::ASSETS_HANDLE, 'after' );
+
+ if ( empty( $script_data ) ) {
+ $this->markTestIncomplete( 'Script data could not be found.' );
+ }
+
+ // Test inline script boot.
+ $this->assertTrue( false !== stripos( wp_json_encode( $script_data ), 'ampPostMetaBox.boot(' ) );
+ unset( $GLOBALS['post'] );
+ }
+
+ /**
+ * Test render_status.
+ *
+ * @see AMP_Settings::render_status()
+ */
+ public function test_render_status() {
+ $post = $this->factory->post->create_and_get();
+ wp_set_current_user( $this->factory->user->create( array(
+ 'role' => 'administrator',
+ ) ) );
+
+ ob_start();
+ $this->instance->render_status( $post );
+ $this->assertContains( 'instance->render_status( $post );
+ $this->assertEmpty( ob_get_clean() );
+
+ add_post_type_support( 'post', AMP_QUERY_VAR );
+ wp_set_current_user( $this->factory->user->create( array(
+ 'role' => 'subscriber',
+ ) ) );
+
+ ob_start();
+ $this->instance->render_status( $post );
+ $this->assertEmpty( ob_get_clean() );
+ }
+
+ /**
+ * Test save_amp_status.
+ *
+ * @see AMP_Settings::save_amp_status()
+ */
+ public function test_save_amp_status() {
+ // Test failure.
+ $post_id = $this->factory->post->create();
+ $this->assertEmpty( get_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY, true ) );
+
+ // Setup for success.
+ wp_set_current_user( $this->factory->user->create( array(
+ 'role' => 'administrator',
+ ) ) );
+ $_POST[ AMP_Post_Meta_Box::NONCE_NAME ] = wp_create_nonce( AMP_Post_Meta_Box::NONCE_ACTION );
+ $_POST[ AMP_Post_Meta_Box::STATUS_INPUT_NAME ] = 'disabled';
+
+ // Test revision bail.
+ $post_id = $this->factory->post->create();
+ delete_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY );
+ wp_save_post_revision( $post_id );
+ $this->assertEmpty( get_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY, true ) );
+
+ // Test post update success to disable.
+ $post_id = $this->factory->post->create();
+ delete_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY );
+ wp_update_post( array(
+ 'ID' => $post_id,
+ 'post_title' => 'updated',
+ ) );
+ $this->assertTrue( (bool) get_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY, true ) );
+
+ // Test post update success to enable.
+ $_POST[ AMP_Post_Meta_Box::STATUS_INPUT_NAME ] = 'enabled';
+ delete_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY );
+ wp_update_post( array(
+ 'ID' => $post_id,
+ 'post_title' => 'updated',
+ ) );
+ $this->assertFalse( (bool) get_post_meta( $post_id, AMP_Post_Meta_Box::DISABLED_POST_META_KEY, true ) );
+ }
+
+ /**
+ * Test preview_post_link.
+ *
+ * @see AMP_Settings::preview_post_link()
+ */
+ public function test_preview_post_link() {
+ $link = 'https://foo.bar';
+ $this->assertEquals( 'https://foo.bar', $this->instance->preview_post_link( $link ) );
+ $_POST['amp-preview'] = 'do-preview';
+ $this->assertEquals( 'https://foo.bar?' . AMP_QUERY_VAR . '=1', $this->instance->preview_post_link( $link ) );
+ }
+
+}