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authorDaniel Weipert <code@drogueronin.de>2020-12-24 15:43:29 +0100
committerDaniel Weipert <code@drogueronin.de>2020-12-24 15:43:29 +0100
commit3e0721eb5d64ef49b5e2d99f22195af8aef0fcb8 (patch)
tree570db99f691c3b9022356aef02f66553e7a2a1c2 /tests/test-adjacent-post-order.php
parent0d1da4356173e926fdcac42462daa4fcb7617109 (diff)
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+<?php
+/**
+ * Class TestAdjacentPostOrder
+ *
+ * @package DraggablePostOrder
+ */
+
+use Draggable_Post_Order\Draggable_Post_Order;
+
+/**
+ * Sample test case.
+ */
+class TestAdjacentPostOrder extends WP_UnitTestCase {
+
+ /**
+ * An array of posts for testing.
+ *
+ * @var WP_Post[]
+ */
+ public array $test_posts = [];
+
+ /**
+ * Runs the routine before each test is executed.
+ */
+ public function setUp(): void {
+ parent::setUp();
+
+ add_post_type_support( 'post', Draggable_Post_Order::$post_type_feature );
+
+ // create three posts with order.
+ for ( $i = 1; $i <= 3; $i++ ) {
+ $id = $this->factory()->post->create();
+ update_post_meta( $id, Draggable_Post_Order::$meta_key, $i );
+
+ $this->test_posts[] = get_post( $id );
+ }
+
+ // since tests are loaded after init, run init manually.
+ Draggable_Post_Order::init();
+ }
+
+ /**
+ * Test previous and next post with creation order
+ */
+ public function test_previous_next_post_creation_order() {
+ $first = $this->test_posts[0];
+ $second = $this->test_posts[1];
+ $third = $this->test_posts[2];
+
+ $this->go_to( '/?p=' . $second->ID );
+
+ $this->assertEquals( $first->ID, get_previous_post()->ID );
+ $this->assertEquals( $third->ID, get_next_post()->ID );
+ }
+
+ /**
+ * Test previous and next post jumbled order
+ */
+ public function test_previous_next_post_jumbled_order() {
+ $first = $this->test_posts[1];
+ $second = $this->test_posts[2];
+ $third = $this->test_posts[0];
+
+ update_post_meta( $first->ID, Draggable_Post_Order::$meta_key, 1 );
+ update_post_meta( $second->ID, Draggable_Post_Order::$meta_key, 2 );
+ update_post_meta( $third->ID, Draggable_Post_Order::$meta_key, 3 );
+
+ // test whether the key was set properly.
+ $this->assertEquals( 2, get_post_meta( $second->ID, Draggable_Post_Order::$meta_key, true ) );
+
+ $this->go_to( '/?p=' . $second->ID );
+
+ $this->assertEquals( $first->ID, get_previous_post()->ID );
+ $this->assertEquals( $third->ID, get_next_post()->ID );
+ }
+}