From 9dafca7e2c4439214121bfbe8694e67bddabcdde Mon Sep 17 00:00:00 2001
From: Boone Gorges <boonebgorges@git.wordpress.org>
Date: Thu, 23 Oct 2014 13:52:57 +0000
Subject: [PATCH] Add unit tests for 'append' argument of
 wp_set_object_terms().

See #29624.

git-svn-id: https://develop.svn.wordpress.org/trunk@29997 602fd350-edb4-49c9-b593-d223f7449a82
---
 tests/phpunit/tests/term.php | 63 ++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/tests/phpunit/tests/term.php b/tests/phpunit/tests/term.php
index 5ec9b246cd..5f1e9aa621 100644
--- a/tests/phpunit/tests/term.php
+++ b/tests/phpunit/tests/term.php
@@ -1304,6 +1304,69 @@ class Tests_Term extends WP_UnitTestCase {
 		$this->assertTrue( is_wp_error($result) );
 	}
 
+	public function test_wp_set_object_terms_append_true() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		$p = $this->factory->post->create();
+		$t1 = $this->factory->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+		$t2 = $this->factory->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$added1 = wp_set_object_terms( $p, array( $t1 ), 'wptests_tax' );
+		$this->assertNotEmpty( $added1 );
+		$this->assertEqualSets( array( $t1 ), wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'ids' ) ) );
+
+		$added2 = wp_set_object_terms( $p, array( $t2 ), 'wptests_tax', true );
+		$this->assertNotEmpty( $added2 );
+		$this->assertEqualSets( array( $t1, $t2 ), wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'ids' ) ) );
+
+		_unregister_taxonomy( 'wptests_tax' );
+	}
+
+	public function test_wp_set_object_terms_append_false() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		$p = $this->factory->post->create();
+		$t1 = $this->factory->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+		$t2 = $this->factory->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$added1 = wp_set_object_terms( $p, array( $t1 ), 'wptests_tax' );
+		$this->assertNotEmpty( $added1 );
+		$this->assertEqualSets( array( $t1 ), wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'ids' ) ) );
+
+		$added2 = wp_set_object_terms( $p, array( $t2 ), 'wptests_tax', false );
+		$this->assertNotEmpty( $added2 );
+		$this->assertEqualSets( array( $t2 ), wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'ids' ) ) );
+
+		_unregister_taxonomy( 'wptests_tax' );
+	}
+
+	public function test_wp_set_object_terms_append_default_to_false() {
+		register_taxonomy( 'wptests_tax', 'post' );
+		$p = $this->factory->post->create();
+		$t1 = $this->factory->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+		$t2 = $this->factory->term->create( array(
+			'taxonomy' => 'wptests_tax',
+		) );
+
+		$added1 = wp_set_object_terms( $p, array( $t1 ), 'wptests_tax' );
+		$this->assertNotEmpty( $added1 );
+		$this->assertEqualSets( array( $t1 ), wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'ids' ) ) );
+
+		$added2 = wp_set_object_terms( $p, array( $t2 ), 'wptests_tax' );
+		$this->assertNotEmpty( $added2 );
+		$this->assertEqualSets( array( $t2 ), wp_get_object_terms( $p, 'wptests_tax', array( 'fields' => 'ids' ) ) );
+
+		_unregister_taxonomy( 'wptests_tax' );
+	}
+
 	function test_change_object_terms_by_id() {
 		// set some terms on an object; then change them while leaving one intact