Ticket #42771: 42771-tests.diff

new file tests/phpunit/tests/category/getCategoryLink.php

@@ +1 @@
+<?php
+
+/**
+ * @group taxonomy
+ * @covers ::get_category_link
+ */
+class Tests_Category_GetCategoryLink extends WP_UnitTestCase {
+        public function test_success() {
+                $c = self::factory()->category->create();
+
+                $found = get_category_link( $c );
+                $expected = home_url( '?cat=' . $c );
+
+                $this->assertSame( $expected, $found );
+        }
+
+        public function test_should_return_link_for_term_from_another_category_on_primed_cache() {
+                register_taxonomy( 'wptests_tax', 'post' );
+
+                $t = self::factory()->term->create( array(
+                        'taxonomy' => 'wptests_tax',
+                        'slug'     => 'test-term',
+                ) );
+
+                $term = get_term( $t );
+
+                $found = get_category_link( $t );
+                $expected = home_url( '?wptests_tax=test-term' );
+
+                $this->assertSame( $expected, $found );
+        }
+
+        public function test_should_return_link_for_term_from_another_category_on_empty_cache() {
+                register_taxonomy( 'wptests_tax', 'post' );
+
+                $t = self::factory()->term->create( array(
+                        'taxonomy' => 'wptests_tax',
+                        'slug'     => 'test-term',
+                ) );
+
+                clean_term_cache( $t );
+
+                $found = get_category_link( $t );
+                $expected = home_url( '?wptests_tax=test-term' );
+
+                $this->assertSame( $expected, $found );
+        }
+}