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In get_terms(), check hierarchy for all $taxonomies before bailing early from 'parent' or 'child_of'.

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There is a pre-check in `get_terms()` that prevents an unnecessary database
query if the 'parent' or 'child_of' parameter is not found in the cached term
hierarchy (since a term without an index in the hierarchy cache has no
descendants). Previously, only the first item in the `$taxonomies` array was
being checked, with the result that an empty array was being erroneously
returned in cases where the 'parent' or 'child_of' term is in a subsequent
taxonomy.

See #31118.

git-svn-id: https://develop.svn.wordpress.org/trunk@31276 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Boone Gorges
2015-01-25 02:45:11 +00:00
parent c67e5da8c9
commit 5bcee9e939
2 changed files with 106 additions and 11 deletions
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tests/phpunit/tests/term/getTerms.php
+82
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@@ -376,6 +376,47 @@ class Tests_Term_getTerms extends WP_UnitTestCase {
$this->assertEquals( 1, count( $terms ) );
}
/**
* @ticket 31118
*/
public function test_child_of_should_skip_query_when_specified_parent_is_not_found_in_hierarchy_cache() {
global $wpdb;
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true, ) );
$terms = $this->factory->term->create_many( 3, array( 'taxonomy' => 'wptests_tax' ) );
$num_queries = $wpdb->num_queries;
$found = get_terms( 'wptests_tax', array(
'hide_empty' => false,
'child_of' => $terms[0],
) );
$this->assertEmpty( $found );
$this->assertSame( $num_queries, $wpdb->num_queries );
}
/**
* @ticket 31118
*/
public function test_child_of_should_respect_multiple_taxonomies() {
register_taxonomy( 'wptests_tax1', 'post', array( 'hierarchical' => true ) );
register_taxonomy( 'wptests_tax2', 'post', array( 'hierarchical' => true ) );
$t1 = $this->factory->term->create( array( 'taxonomy' => 'wptests_tax1' ) );
$t2 = $this->factory->term->create( array( 'taxonomy' => 'wptests_tax2' ) );
$t3 = $this->factory->term->create( array( 'taxonomy' => 'wptests_tax2', 'parent' => $t2 ) );
$found = get_terms( array( 'wptests_tax1', 'wptests_tax2' ), array(
'fields' => 'ids',
'hide_empty' => false,
'child_of' => $t2,
) );
$this->assertEqualSets( array( $t3 ), $found );
}
/**
* @ticket 27123
*/
@@ -1156,6 +1197,47 @@ class Tests_Term_getTerms extends WP_UnitTestCase {
$this->assertEqualSets( $expected, $actual );
}
/**
* @ticket 31118
*/
public function test_parent_should_skip_query_when_specified_parent_is_not_found_in_hierarchy_cache() {
global $wpdb;
register_taxonomy( 'wptests_tax', 'post', array( 'hierarchical' => true, ) );
$terms = $this->factory->term->create_many( 3, array( 'taxonomy' => 'wptests_tax' ) );
$num_queries = $wpdb->num_queries;
$found = get_terms( 'wptests_tax', array(
'hide_empty' => false,
'parent' => $terms[0],
) );
$this->assertEmpty( $found );
$this->assertSame( $num_queries, $wpdb->num_queries );
}
/**
* @ticket 31118
*/
public function test_parent_should_respect_multiple_taxonomies() {
register_taxonomy( 'wptests_tax1', 'post', array( 'hierarchical' => true ) );
register_taxonomy( 'wptests_tax2', 'post', array( 'hierarchical' => true ) );
$t1 = $this->factory->term->create( array( 'taxonomy' => 'wptests_tax1' ) );
$t2 = $this->factory->term->create( array( 'taxonomy' => 'wptests_tax2' ) );
$t3 = $this->factory->term->create( array( 'taxonomy' => 'wptests_tax2', 'parent' => $t2 ) );
$found = get_terms( array( 'wptests_tax1', 'wptests_tax2' ), array(
'fields' => 'ids',
'hide_empty' => false,
'parent' => $t2,
) );
$this->assertEqualSets( array( $t3 ), $found );
}
public function test_hierarchical_false_parent_should_override_child_of() {
$initial_terms = $this->create_hierarchical_terms();