Tests: Cover the_author_posts().

Verify echoed author post counts for ordinary and custom post types, and zero output without a global post.

Developed in: #14433

Props rejaulalomkhan.
See #65819.


git-svn-id: https://develop.svn.wordpress.org/trunk@64526 602fd350-edb4-49c9-b593-d223f7449a82

Author: lancewillett

tests/phpunit/tests/user/theAuthorPosts.php

@@ -0,0 +1,133 @@
+<?php
+
+/**
+ * Tests for the_author_posts().
+ *
+ * @group author
+ * @group user
+ *
+ * @covers ::the_author_posts
+ */
+class Tests_User_TheAuthorPosts extends WP_UnitTestCase {
+
+	/**
+	 * Author user ID.
+	 *
+	 * @var int
+	 */
+	private static $author_id = 0;
+
+	/**
+	 * Post ID authored by self::$author_id.
+	 *
+	 * @var int
+	 */
+	private static $post_id = 0;
+
+	/**
+	 * Creates shared author and post fixtures.
+	 *
+	 * @param WP_UnitTest_Factory $factory Test factory.
+	 */
+	public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+		self::$author_id = $factory->user->create(
+			array(
+				'role'         => 'author',
+				'user_login'   => 'test_author',
+				'display_name' => 'Test Author',
+			)
+		);
+
+		self::$post_id = $factory->post->create(
+			array(
+				'post_author' => self::$author_id,
+				'post_status' => 'publish',
+				'post_title'  => 'First Author Post',
+			)
+		);
+
+		$factory->post->create(
+			array(
+				'post_author' => self::$author_id,
+				'post_status' => 'publish',
+				'post_title'  => 'Second Author Post',
+			)
+		);
+	}
+
+	/**
+	 * Sets up the global post data before each test.
+	 */
+	public function set_up() {
+		parent::set_up();
+
+		$GLOBALS['post'] = get_post( self::$post_id );
+		setup_postdata( $GLOBALS['post'] );
+	}
+
+	/**
+	 * Cleans up global state after each test.
+	 */
+	public function tear_down() {
+		unset( $GLOBALS['post'], $GLOBALS['authordata'] );
+
+		parent::tear_down();
+	}
+
+	/**
+	 * Tests that the_author_posts() echoes the current post author's post count.
+	 *
+	 * @ticket 65819
+	 */
+	public function test_echoes_author_post_count() {
+		$output = get_echo( 'the_author_posts' );
+
+		$this->assertSame( '2', $output );
+		$this->assertSame( (string) get_the_author_posts(), $output );
+	}
+
+	/**
+	 * Tests that the_author_posts() echoes 0 when no global post is available.
+	 *
+	 * @ticket 65819
+	 */
+	public function test_echoes_zero_when_no_global_post_available() {
+		unset( $GLOBALS['post'] );
+
+		$this->assertSame( '0', get_echo( 'the_author_posts' ) );
+	}
+
+	/**
+	 * Tests that the_author_posts() echoes the post count for custom post types.
+	 *
+	 * @ticket 65819
+	 */
+	public function test_echoes_author_post_count_for_custom_post_type() {
+		register_post_type( 'wptests_cpt' );
+
+		$cpt_post_id = self::factory()->post->create(
+			array(
+				'post_author' => self::$author_id,
+				'post_status' => 'publish',
+				'post_type'   => 'wptests_cpt',
+			)
+		);
+
+		self::factory()->post->create_many(
+			2,
+			array(
+				'post_author' => self::$author_id,
+				'post_status' => 'publish',
+				'post_type'   => 'wptests_cpt',
+			)
+		);
+
+		$GLOBALS['post'] = get_post( $cpt_post_id );
+		setup_postdata( $GLOBALS['post'] );
+
+		$output = get_echo( 'the_author_posts' );
+
+		$this->assertSame( '3', $output );
+		$this->assertSame( (string) get_the_author_posts(), $output );
+	}
+}