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<title>[55429] trunk/tests/phpunit/tests/link/getThePostsNavigation.php: Build/Test Tools: Add test coverage for the `get_posts_navigation()` function.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/55429">55429</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/55429","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>audrasjb</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2023-02-27 23:14:57 +0000 (Mon, 27 Feb 2023)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Build/Test Tools: Add test coverage for the `get_posts_navigation()` function.
This changeset adds a test case to verify that `get_the_posts_navigation()` only includes the "Older posts" and "Newer" posts links when appropriate.
Props jongycastillo, michelmany, joyously, geisthanen, SergeyBiryukov, mukesh27, audrasjb, costdev, sun, chrisbaltazar.
Fixes <a href="https://core.trac.wordpress.org/ticket/55751">#55751</a>.</pre>
<h3>Added Paths</h3>
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<li><a href="#trunktestsphpunittestslinkgetThePostsNavigationphp">trunk/tests/phpunit/tests/link/getThePostsNavigation.php</a></li>
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<h3>Diff</h3>
<a id="trunktestsphpunittestslinkgetThePostsNavigationphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/tests/phpunit/tests/link/getThePostsNavigation.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/link/getThePostsNavigation.php (rev 0)
+++ trunk/tests/phpunit/tests/link/getThePostsNavigation.php 2023-02-27 23:14:57 UTC (rev 55429)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,108 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+
+/**
+ * Tests get_the_posts_navigation function.
+ *
+ * @since 6.2.0
+ *
+ * @group link
+ *
+ * @covers ::get_the_posts_navigation
+ */
+class Tests_Link_GetThePostsNavigation extends WP_UnitTestCase {
+
+ /**
+ * Creates posts before any tests run.
+ *
+ * @param WP_UnitTest_Factory $factory
+ */
+ public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+ $factory->post->create_many( 3 );
+ }
+
+ /**
+ * Tests that get_the_posts_navigation() only includes the "Older posts" and "Newer" posts
+ * links when appropriate.
+ *
+ * @ticket 55751
+ *
+ * @dataProvider data_get_the_posts_navigation
+ *
+ * @param int $per_page Posts per page to be queried.
+ * @param int $paged_num Pagination page number.
+ * @param bool $older Whether an "Older posts" link should be included.
+ * @param bool $newer Whether a "Newer posts" link should be included.
+ */
+ public function test_get_the_posts_navigation( $per_page, $paged_num, $older, $newer ) {
+ global $wp_query, $paged;
+
+ $paged = $paged_num;
+ $wp_query = new WP_Query(
+ array(
+ 'post_type' => 'post',
+ 'posts_per_page' => $per_page,
+ 'paged' => $paged,
+ )
+ );
+
+ $actual = get_the_posts_navigation();
+
+ if ( $older ) {
+ $this->assertStringContainsString(
+ 'Older posts',
+ $actual,
+ 'Posts navigation must contain an "Older posts" link.'
+ );
+ }
+
+ if ( $newer ) {
+ $this->assertStringContainsString(
+ 'Newer posts',
+ $actual,
+ 'Posts navigation must contain a "Newer posts" link.'
+ );
+ }
+
+ if ( ! $older && ! $newer ) {
+ $this->assertEmpty(
+ $actual,
+ 'Posts navigation must be an empty string.'
+ );
+ }
+ }
+
+ /**
+ * Data provider.
+ *
+ * @return array[]
+ */
+ public function data_get_the_posts_navigation() {
+ return array(
+ 'older posts' => array(
+ 'post_per_page' => 1,
+ 'paged_num' => 1,
+ 'older' => true,
+ 'newer' => false,
+ ),
+ 'newer posts' => array(
+ 'post_per_page' => 1,
+ 'paged_num' => 3,
+ 'older' => false,
+ 'newer' => true,
+ ),
+ 'newer posts and older posts' => array(
+ 'post_per_page' => 1,
+ 'paged_num' => 2,
+ 'older' => true,
+ 'newer' => true,
+ ),
+ 'empty posts' => array(
+ 'post_per_page' => 3,
+ 'paged_num' => 1,
+ 'older' => false,
+ 'newer' => false,
+ ),
+ );
+ }
+
+}
</ins><span class="cx" style="display: block; padding: 0 10px">Property changes on: trunk/tests/phpunit/tests/link/getThePostsNavigation.php
</span><span class="cx" style="display: block; padding: 0 10px">___________________________________________________________________
</span></span></pre></div>
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